2421 lines
102 KiB
TypeScript
2421 lines
102 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import * as ts from 'typescript';
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import {absoluteFrom, getFileSystem, getSourceFileOrError} from '../../../src/ngtsc/file_system';
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import {runInEachFileSystem, TestFile} from '../../../src/ngtsc/file_system/testing';
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import {ClassMemberKind, ConcreteDeclaration, CtorParameter, DownleveledEnum, isNamedClassDeclaration, isNamedFunctionDeclaration, isNamedVariableDeclaration, TypeScriptReflectionHost} from '../../../src/ngtsc/reflection';
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import {getDeclaration} from '../../../src/ngtsc/testing';
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import {loadFakeCore, loadTestFiles} from '../../../test/helpers';
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import {DelegatingReflectionHost} from '../../src/host/delegating_host';
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import {Esm2015ReflectionHost} from '../../src/host/esm2015_host';
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import {BundleProgram} from '../../src/packages/bundle_program';
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import {MockLogger} from '../helpers/mock_logger';
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import {getRootFiles, makeTestBundleProgram, makeTestDtsBundleProgram} from '../helpers/utils';
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import {expectTypeValueReferencesForParameters} from './util';
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runInEachFileSystem(() => {
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describe('Esm2015ReflectionHost', () => {
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let _: typeof absoluteFrom;
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let SOME_DIRECTIVE_FILE: TestFile;
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let CTOR_DECORATORS_ARRAY_FILE: TestFile;
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let ACCESSORS_FILE: TestFile;
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let SIMPLE_CLASS_FILE: TestFile;
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let CLASS_EXPRESSION_FILE: TestFile;
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let WRAPPED_CLASS_EXPRESSION_FILE: TestFile;
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let FOO_FUNCTION_FILE: TestFile;
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let INVALID_DECORATORS_FILE: TestFile;
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let INVALID_DECORATOR_ARGS_FILE: TestFile;
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let INVALID_PROP_DECORATORS_FILE: TestFile;
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let INVALID_PROP_DECORATOR_ARGS_FILE: TestFile;
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let INVALID_CTOR_DECORATORS_FILE: TestFile;
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let INVALID_CTOR_DECORATOR_ARGS_FILE: TestFile;
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let IMPORTS_FILES: TestFile[];
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let EXPORTS_FILES: TestFile[];
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let FUNCTION_BODY_FILE: TestFile;
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let MARKER_FILE: TestFile;
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let DECORATED_FILES: TestFile[];
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let ARITY_CLASSES: TestFile[];
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let TYPINGS_SRC_FILES: TestFile[];
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let TYPINGS_DTS_FILES: TestFile[];
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let NAMESPACED_IMPORT_FILE: TestFile;
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let INDEX_SIGNATURE_PROP_FILE: TestFile;
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// Helpers
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const createHost = (bundle: BundleProgram, ngccHost: Esm2015ReflectionHost) => {
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const tsHost = new TypeScriptReflectionHost(bundle.program.getTypeChecker());
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return new DelegatingReflectionHost(tsHost, ngccHost);
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};
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beforeEach(() => {
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_ = absoluteFrom;
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SOME_DIRECTIVE_FILE = {
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name: _('/some_directive.js'),
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contents: `
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import { Directive, Inject, InjectionToken, Input, HostListener, HostBinding, ViewContainerRef, TemplateRef } from '@angular/core';
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const INJECTED_TOKEN = new InjectionToken('injected');
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const TestToken = {};
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class SomeDirective {
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constructor(_viewContainer, _template, injected) {
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this.instanceProperty = 'instance';
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}
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instanceMethod() {}
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onClick() {}
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@HostBinding('class.foo')
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get isClassFoo() { return false; }
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static staticMethod() {}
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}
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SomeDirective.staticProperty = 'static';
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SomeDirective.decorators = [
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{ type: Directive, args: [{ selector: '[someDirective]' },] }
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];
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SomeDirective.ctorParameters = () => [
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{ type: ViewContainerRef, },
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{ type: TemplateRef, },
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{ type: undefined, decorators: [{ type: Inject, args: [INJECTED_TOKEN,] },] },
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];
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SomeDirective.propDecorators = {
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"input1": [{ type: Input },],
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"input2": [{ type: Input },],
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"target": [{ type: HostBinding, args: ['attr.target',] }, { type: Input },],
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"onClick": [{ type: HostListener, args: ['click',] },],
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};
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`,
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};
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CTOR_DECORATORS_ARRAY_FILE = {
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name: _('/ctor_decorated_as_array.js'),
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contents: `
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class CtorDecoratedAsArray {
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constructor(arg1) {
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}
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}
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CtorDecoratedAsArray.ctorParameters = [{ type: ParamType, decorators: [{ type: Inject },] }];
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`,
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};
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ACCESSORS_FILE = {
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name: _('/accessors.js'),
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contents: `
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import { Directive, Input, Output } from '@angular/core';
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class SomeDirective {
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set setterAndGetter(value) { this.value = value; }
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get setterAndGetter() { return null; }
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}
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SomeDirective.decorators = [
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{ type: Directive, args: [{ selector: '[someDirective]' },] }
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];
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SomeDirective.propDecorators = {
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"setterAndGetter": [{ type: Input },],
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};
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`,
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};
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SIMPLE_CLASS_FILE = {
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name: _('/simple_class.js'),
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contents: `
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class EmptyClass {}
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class NoDecoratorConstructorClass {
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constructor(foo) {}
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}
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`,
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};
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CLASS_EXPRESSION_FILE = {
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name: _('/class_expression.js'),
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contents: `
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import {Directive} from '@angular/core';
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var AliasedClass_1;
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let EmptyClass = class EmptyClass {};
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let AliasedClass = AliasedClass_1 = class AliasedClass {}
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AliasedClass.decorators = [
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{ type: Directive, args: [{ selector: '[someDirective]' },] }
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];
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let usageOfAliasedClass = AliasedClass_1;
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`,
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};
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WRAPPED_CLASS_EXPRESSION_FILE = {
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name: _('/wrapped_class_expression.js'),
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contents: `
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import {Directive} from '@angular/core';
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var AliasedWrappedClass_1;
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let SimpleWrappedClass = /** @class */ (() => {
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class SimpleWrappedClass {}
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return SimpleWrappedClass;
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})();
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let AliasedWrappedClass = AliasedWrappedClass_1 = /** @class */ (() => {
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class AliasedWrappedClass {}
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AliasedWrappedClass.decorators = [
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{ type: Directive, args: [{ selector: '[someDirective]' },] }
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];
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return AliasedWrappedClass;
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})();
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let usageOfWrappedClass = AliasedWrappedClass_1;
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`,
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};
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FOO_FUNCTION_FILE = {
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name: _('/foo_function.js'),
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contents: `
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import { Directive } from '@angular/core';
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function foo() {}
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foo.decorators = [
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{ type: Directive, args: [{ selector: '[ignored]' },] }
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];
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`,
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};
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INVALID_DECORATORS_FILE = {
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name: _('/invalid_decorators.js'),
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contents: `
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import {Directive} from '@angular/core';
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class NotArrayLiteral {
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}
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NotArrayLiteral.decorators = () => [
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{ type: Directive, args: [{ selector: '[ignored]' },] },
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];
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class NotObjectLiteral {
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}
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NotObjectLiteral.decorators = [
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"This is not an object literal",
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{ type: Directive },
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];
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class NoTypeProperty {
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}
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NoTypeProperty.decorators = [
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{ notType: Directive },
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{ type: Directive },
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];
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class NotIdentifier {
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}
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NotIdentifier.decorators = [
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{ type: 'StringsLiteralsAreNotIdentifiers' },
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{ type: Directive },
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];
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`,
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};
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INVALID_DECORATOR_ARGS_FILE = {
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name: _('/invalid_decorator_args.js'),
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contents: `
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import {Directive} from '@angular/core';
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class NoArgsProperty {
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}
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NoArgsProperty.decorators = [
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{ type: Directive },
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];
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const args = [{ selector: '[ignored]' },];
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class NoPropertyAssignment {
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}
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NoPropertyAssignment.decorators = [
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{ type: Directive, args },
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];
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class NotArrayLiteral {
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}
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NotArrayLiteral.decorators = [
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{ type: Directive, args: () => [{ selector: '[ignored]' },] },
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];
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`,
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};
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INVALID_PROP_DECORATORS_FILE = {
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name: _('/invalid_prop_decorators.js'),
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contents: `
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import {Input} from '@angular/core';
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class NotObjectLiteral {
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}
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NotObjectLiteral.propDecorators = () => ({
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"prop": [{ type: Input },]
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});
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class NotObjectLiteralProp {
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}
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NotObjectLiteralProp.propDecorators = {
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"prop": [
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"This is not an object literal",
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{ type: Input },
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]
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};
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class NoTypeProperty {
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}
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NoTypeProperty.propDecorators = {
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"prop": [
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{ notType: Input },
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{ type: Input },
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]
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};
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class NotIdentifier {
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}
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NotIdentifier.propDecorators = {
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"prop": [
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{ type: 'StringsLiteralsAreNotIdentifiers' },
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{ type: Input },
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]
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};
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`,
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};
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INVALID_PROP_DECORATOR_ARGS_FILE = {
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name: _('/invalid_prop_decorator_args.js'),
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contents: `
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import {Input} from '@angular/core';
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class NoArgsProperty {
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}
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NoArgsProperty.propDecorators = {
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"prop": [{ type: Input },]
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};
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const args = [{ selector: '[ignored]' },];
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class NoPropertyAssignment {
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}
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NoPropertyAssignment.propDecorators = {
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"prop": [{ type: Input, args },]
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};
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class NotArrayLiteral {
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}
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NotArrayLiteral.propDecorators = {
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"prop": [{ type: Input, args: () => [{ selector: '[ignored]' },] },],
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};
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`,
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};
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INVALID_CTOR_DECORATORS_FILE = {
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name: _('/invalid_ctor_decorators.js'),
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contents: `
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import {Inject} from '@angular/core';
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class NoParameters {
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constructor() {
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}
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}
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const NotFromCoreDecorator = {};
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class NotFromCore {
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constructor(arg1) {
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}
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}
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NotFromCore.ctorParameters = () => [
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{ type: 'ParamType', decorators: [{ type: NotFromCoreDecorator },] },
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]
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class NotArrowFunction {
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constructor(arg1) {
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}
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}
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NotArrowFunction.ctorParameters = function() {
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return { type: 'ParamType', decorators: [{ type: Inject },] };
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};
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class NotArrayLiteral {
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constructor(arg1) {
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}
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}
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NotArrayLiteral.ctorParameters = () => 'StringsAreNotArrayLiterals';
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class NotObjectLiteral {
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constructor(arg1, arg2) {
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}
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}
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NotObjectLiteral.ctorParameters = () => [
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"This is not an object literal",
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{ type: 'ParamType', decorators: [{ type: Inject },] },
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];
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class NoTypeProperty {
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constructor(arg1, arg2) {
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}
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}
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NoTypeProperty.ctorParameters = () => [
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{
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type: 'ParamType',
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decorators: [
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{ notType: Inject },
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{ type: Inject },
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]
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},
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];
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class NotIdentifier {
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constructor(arg1, arg2) {
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}
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}
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NotIdentifier.ctorParameters = () => [
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{
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type: 'ParamType',
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decorators: [
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{ type: 'StringsLiteralsAreNotIdentifiers' },
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{ type: Inject },
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]
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},
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];
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`,
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};
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INVALID_CTOR_DECORATOR_ARGS_FILE = {
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name: _('/invalid_ctor_decorator_args.js'),
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contents: `
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import {Inject} from '@angular/core';
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class NoArgsProperty {
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constructor(arg1) {
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}
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}
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NoArgsProperty.ctorParameters = () => [
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{ type: 'ParamType', decorators: [{ type: Inject },] },
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];
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const args = [{ selector: '[ignored]' },];
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class NoPropertyAssignment {
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constructor(arg1) {
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}
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}
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NoPropertyAssignment.ctorParameters = () => [
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{ type: 'ParamType', decorators: [{ type: Inject, args },] },
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];
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class NotArrayLiteral {
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constructor(arg1) {
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}
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}
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NotArrayLiteral.ctorParameters = () => [
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{ type: 'ParamType', decorators: [{ type: Inject, args: () => [{ selector: '[ignored]' },] },] },
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];
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`,
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};
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IMPORTS_FILES = [
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{
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name: _('/index.js'),
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contents: `
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import * as a from './a';
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import * as b from './b';
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import * as c from './c';
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`
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},
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{
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name: _('/a.js'),
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contents: `
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export const a = 'a';
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`,
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},
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{
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name: _('/b.js'),
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contents: `
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import {a} from './a.js';
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import {a as foo} from './a.js';
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const b = a;
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const c = foo;
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const d = b;
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`,
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},
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];
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EXPORTS_FILES = [
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{
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name: _('/index.js'),
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contents: `
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import * as a from './a';
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import * as b from './b';
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`
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},
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{
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name: _('/a.js'),
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contents: `
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export const a = 'a';
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`,
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},
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{
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name: _('/b.js'),
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contents: `
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import {Directive} from '@angular/core';
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import {a} from './a';
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import {a as foo} from './a';
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export {Directive} from '@angular/core';
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export {a} from './a';
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export const b = a;
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export const c = foo;
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export const d = b;
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export const e = 'e';
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export const DirectiveX = Directive;
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export class SomeClass {}
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`,
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},
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];
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FUNCTION_BODY_FILE = {
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name: _('/function_body.js'),
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contents: `
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function foo(x) {
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return x;
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}
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function bar(x, y = 42) {
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return x + y;
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}
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function baz(x) {
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let y;
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if (y === void 0) { y = 42; }
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return x;
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}
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let y;
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function qux(x) {
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if (x === void 0) { y = 42; }
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return y;
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}
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function moo() {
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let x;
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if (x === void 0) { x = 42; }
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return x;
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}
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let x;
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function juu() {
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if (x === void 0) { x = 42; }
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return x;
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}
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`
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};
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|
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MARKER_FILE = {
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name: _('/marker.js'),
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contents: `
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let compileNgModuleFactory = compileNgModuleFactory__PRE_R3__;
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function compileNgModuleFactory__PRE_R3__(injector, options, moduleType) {
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const compilerFactory = injector.get(CompilerFactory);
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const compiler = compilerFactory.createCompiler([options]);
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return compiler.compileModuleAsync(moduleType);
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}
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function compileNgModuleFactory__POST_R3__(injector, options, moduleType) {
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ngDevMode && assertNgModuleType(moduleType);
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return Promise.resolve(new R3NgModuleFactory(moduleType));
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}
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`
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};
|
|
|
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DECORATED_FILES = [
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{
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name: _('/primary.js'),
|
|
contents: `
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import {Directive} from '@angular/core';
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|
import {D} from './secondary';
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class A {}
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A.decorators = [
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{ type: Directive, args: [{ selector: '[a]' }] }
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];
|
|
function x() {}
|
|
function y() {}
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class B {}
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B.decorators = [
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{ type: Directive, args: [{ selector: '[b]' }] }
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];
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class C {}
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export { A, x, C };
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`
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},
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{
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name: _('/secondary.js'),
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contents: `
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import {Directive} from '@angular/core';
|
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class D {}
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D.decorators = [
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{ type: Directive, args: [{ selector: '[d]' }] }
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];
|
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export {D};
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`
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}
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];
|
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|
|
ARITY_CLASSES = [
|
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{
|
|
name: _('/src/class.js'),
|
|
contents: `
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export class NoTypeParam {}
|
|
export class OneTypeParam {}
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export class TwoTypeParams {}
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`,
|
|
},
|
|
{
|
|
name: _('/typings/class.d.ts'),
|
|
contents: `
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export declare class NoTypeParam {}
|
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export declare class OneTypeParam<T> {}
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export declare class TwoTypeParams<T, K> {}
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`,
|
|
},
|
|
];
|
|
|
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TYPINGS_SRC_FILES = [
|
|
{
|
|
name: _('/ep/src/index.js'),
|
|
contents: `
|
|
import 'an_external_lib';
|
|
import 'an_external_lib_without_typings';
|
|
import {InternalClass} from './internal';
|
|
import * as func1 from './func1';
|
|
import * as missing from './missing-class';
|
|
import * as flatFile from './flat-file';
|
|
export * from './class1';
|
|
export * from './class2';
|
|
`
|
|
},
|
|
{
|
|
name: _('/ep/src/class1.js'),
|
|
contents: 'export class Class1 {}\nexport class MissingClass1 {}'
|
|
},
|
|
{name: _('/ep/src/class2.js'), contents: 'export class Class2 {}'},
|
|
{name: _('/ep/src/func1.js'), contents: 'export function mooFn() {}'},
|
|
{
|
|
name: _('/ep/src/internal.js'),
|
|
contents: 'export class InternalClass {}\nexport class Class2 {}'
|
|
},
|
|
{name: _('/ep/src/missing-class.js'), contents: 'export class MissingClass2 {}'},
|
|
{
|
|
name: _('/ep/src/flat-file.js'),
|
|
contents: `
|
|
export class Class1 {}
|
|
export class MissingClass1 {}
|
|
export class MissingClass2 {}
|
|
class SourceClass {}
|
|
export {SourceClass as AliasedClass};`,
|
|
},
|
|
{
|
|
name: _('/ep/src/shadow-class.js'),
|
|
contents: 'export class ShadowClass {}',
|
|
},
|
|
{
|
|
name: _('/an_external_lib_without_typings/index.js'),
|
|
contents: '// Some content.',
|
|
},
|
|
];
|
|
|
|
TYPINGS_DTS_FILES = [
|
|
{
|
|
name: _('/ep/typings/index.d.ts'),
|
|
contents: `
|
|
import '../../an_external_lib/index';
|
|
import {InternalClass} from './internal';
|
|
import {mooFn} from './func1';
|
|
export * from './class1';
|
|
export * from './class2';
|
|
`
|
|
},
|
|
{
|
|
name: _('/ep/typings/class1.d.ts'),
|
|
contents: `export declare class Class1 {}\nexport declare class OtherClass {}`
|
|
},
|
|
{
|
|
name: _('/ep/typings/class2.d.ts'),
|
|
contents: `
|
|
export declare class Class2 {}
|
|
export declare interface SomeInterface {}
|
|
export {TypingsClass as AliasedClass} from './typings-class';
|
|
`
|
|
},
|
|
{name: _('/ep/typings/func1.d.ts'), contents: 'export declare function mooFn(): void;'},
|
|
{
|
|
name: _('/ep/typings/internal.d.ts'),
|
|
contents: `export declare class InternalClass {}\nexport declare class Class2 {}`
|
|
},
|
|
{
|
|
name: _('/ep/typings/typings-class.d.ts'),
|
|
contents: `export declare class TypingsClass {}`
|
|
},
|
|
{name: _('/ep/typings/shadow-class.d.ts'), contents: `export declare class ShadowClass {}`},
|
|
{name: _('/an_external_lib/index.d.ts'), contents: 'export declare class ShadowClass {}'},
|
|
];
|
|
|
|
NAMESPACED_IMPORT_FILE = {
|
|
name: _('/some_directive.js'),
|
|
contents: `
|
|
import * as core from '@angular/core';
|
|
|
|
class SomeDirective {
|
|
}
|
|
SomeDirective.decorators = [
|
|
{ type: core.Directive, args: [{ selector: '[someDirective]' },] }
|
|
];
|
|
`
|
|
};
|
|
|
|
INDEX_SIGNATURE_PROP_FILE = {
|
|
name: _('/index_signature_prop.d.ts'),
|
|
contents: `
|
|
abstract class IndexSignatureClass {
|
|
[key: string]: any;
|
|
}
|
|
`,
|
|
};
|
|
});
|
|
|
|
describe('getDecoratorsOfDeclaration()', () => {
|
|
it('should find the decorators on a class', () => {
|
|
loadTestFiles([SOME_DIRECTIVE_FILE]);
|
|
const bundle = makeTestBundleProgram(SOME_DIRECTIVE_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedClassDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode)!;
|
|
|
|
expect(decorators).toBeDefined();
|
|
expect(decorators.length).toEqual(1);
|
|
|
|
const decorator = decorators[0];
|
|
expect(decorator.name).toEqual('Directive');
|
|
expect(decorator.import).toEqual({name: 'Directive', from: '@angular/core'});
|
|
expect(decorator.args!.map(arg => arg.getText())).toEqual([
|
|
'{ selector: \'[someDirective]\' }',
|
|
]);
|
|
});
|
|
|
|
it('should find the decorators on an aliased class', () => {
|
|
loadTestFiles([CLASS_EXPRESSION_FILE]);
|
|
const bundle = makeTestBundleProgram(CLASS_EXPRESSION_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, CLASS_EXPRESSION_FILE.name, 'AliasedClass', isNamedVariableDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode)!;
|
|
|
|
expect(decorators).toBeDefined();
|
|
expect(decorators.length).toEqual(1);
|
|
|
|
const decorator = decorators[0];
|
|
expect(decorator.name).toEqual('Directive');
|
|
expect(decorator.import).toEqual({name: 'Directive', from: '@angular/core'});
|
|
expect(decorator.args!.map(arg => arg.getText())).toEqual([
|
|
'{ selector: \'[someDirective]\' }',
|
|
]);
|
|
});
|
|
|
|
it('should find the decorators on an aliased wrapped class', () => {
|
|
loadTestFiles([WRAPPED_CLASS_EXPRESSION_FILE]);
|
|
const bundle = makeTestBundleProgram(WRAPPED_CLASS_EXPRESSION_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, WRAPPED_CLASS_EXPRESSION_FILE.name, 'AliasedWrappedClass',
|
|
isNamedVariableDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode)!;
|
|
|
|
expect(decorators).not.toBe(null!);
|
|
expect(decorators.length).toEqual(1);
|
|
|
|
const decorator = decorators[0];
|
|
expect(decorator.name).toEqual('Directive');
|
|
expect(decorator.import).toEqual({name: 'Directive', from: '@angular/core'});
|
|
expect(decorator.args!.map(arg => arg.getText())).toEqual([
|
|
'{ selector: \'[someDirective]\' }',
|
|
]);
|
|
});
|
|
|
|
it('should return null if the symbol is not a class', () => {
|
|
loadTestFiles([FOO_FUNCTION_FILE]);
|
|
const bundle = makeTestBundleProgram(FOO_FUNCTION_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const functionNode = getDeclaration(
|
|
bundle.program, FOO_FUNCTION_FILE.name, 'foo', isNamedFunctionDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(functionNode);
|
|
expect(decorators).toBe(null);
|
|
});
|
|
|
|
it('should return null if there are no decorators', () => {
|
|
loadTestFiles([SIMPLE_CLASS_FILE]);
|
|
const bundle = makeTestBundleProgram(SIMPLE_CLASS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SIMPLE_CLASS_FILE.name, 'EmptyClass', isNamedClassDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode);
|
|
expect(decorators).toBe(null);
|
|
});
|
|
|
|
it('should ignore `decorators` if it is not an array literal', () => {
|
|
loadTestFiles([INVALID_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_DECORATORS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_DECORATORS_FILE.name, 'NotArrayLiteral',
|
|
isNamedClassDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode);
|
|
expect(decorators).toEqual([]);
|
|
});
|
|
|
|
it('should ignore decorator elements that are not object literals', () => {
|
|
loadTestFiles([INVALID_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_DECORATORS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_DECORATORS_FILE.name, 'NotObjectLiteral',
|
|
isNamedClassDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode)!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Directive'}));
|
|
});
|
|
|
|
it('should ignore decorator elements that have no `type` property', () => {
|
|
loadTestFiles([INVALID_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_DECORATORS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_DECORATORS_FILE.name, 'NoTypeProperty',
|
|
isNamedClassDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode)!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Directive'}));
|
|
});
|
|
|
|
it('should ignore decorator elements whose `type` value is not an identifier', () => {
|
|
loadTestFiles([INVALID_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_DECORATORS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_DECORATORS_FILE.name, 'NotIdentifier', isNamedClassDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode)!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Directive'}));
|
|
});
|
|
|
|
it('should have import information on decorators', () => {
|
|
loadTestFiles([SOME_DIRECTIVE_FILE]);
|
|
const bundle = makeTestBundleProgram(SOME_DIRECTIVE_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedClassDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode)!;
|
|
|
|
expect(decorators.length).toEqual(1);
|
|
expect(decorators[0].import).toEqual({name: 'Directive', from: '@angular/core'});
|
|
});
|
|
|
|
describe('(returned decorators `args`)', () => {
|
|
it('should be an empty array if decorator has no `args` property', () => {
|
|
loadTestFiles([INVALID_DECORATOR_ARGS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_DECORATOR_ARGS_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_DECORATOR_ARGS_FILE.name, 'NoArgsProperty',
|
|
isNamedClassDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode)!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Directive');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
|
|
it('should be an empty array if decorator\'s `args` has no property assignment', () => {
|
|
loadTestFiles([INVALID_DECORATOR_ARGS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_DECORATOR_ARGS_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_DECORATOR_ARGS_FILE.name, 'NoPropertyAssignment',
|
|
isNamedClassDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode)!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Directive');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
|
|
it('should be an empty array if `args` property value is not an array literal', () => {
|
|
loadTestFiles([INVALID_DECORATOR_ARGS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_DECORATOR_ARGS_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_DECORATOR_ARGS_FILE.name, 'NotArrayLiteral',
|
|
isNamedClassDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode)!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Directive');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('getMembersOfClass()', () => {
|
|
it('should find decorated properties on a class', () => {
|
|
loadTestFiles([SOME_DIRECTIVE_FILE]);
|
|
const bundle = makeTestBundleProgram(SOME_DIRECTIVE_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
const input1 = members.find(member => member.name === 'input1')!;
|
|
expect(input1.kind).toEqual(ClassMemberKind.Property);
|
|
expect(input1.isStatic).toEqual(false);
|
|
expect(input1.decorators!.map(d => d.name)).toEqual(['Input']);
|
|
expect(input1.decorators![0].import).toEqual({name: 'Input', from: '@angular/core'});
|
|
|
|
const input2 = members.find(member => member.name === 'input2')!;
|
|
expect(input2.kind).toEqual(ClassMemberKind.Property);
|
|
expect(input2.isStatic).toEqual(false);
|
|
expect(input2.decorators!.map(d => d.name)).toEqual(['Input']);
|
|
expect(input2.decorators![0].import).toEqual({name: 'Input', from: '@angular/core'});
|
|
});
|
|
|
|
it('should find non decorated properties on a class', () => {
|
|
loadTestFiles([SOME_DIRECTIVE_FILE]);
|
|
const bundle = makeTestBundleProgram(SOME_DIRECTIVE_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
const instanceProperty = members.find(member => member.name === 'instanceProperty')!;
|
|
expect(instanceProperty.kind).toEqual(ClassMemberKind.Property);
|
|
expect(instanceProperty.isStatic).toEqual(false);
|
|
expect(ts.isBinaryExpression(instanceProperty.implementation!)).toEqual(true);
|
|
expect(instanceProperty.value!.getText()).toEqual(`'instance'`);
|
|
});
|
|
|
|
it('should handle equally named getter/setter pairs correctly', () => {
|
|
loadTestFiles([ACCESSORS_FILE]);
|
|
const bundle = makeTestBundleProgram(ACCESSORS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, ACCESSORS_FILE.name, 'SomeDirective', isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
const [combinedSetter, combinedGetter] =
|
|
members.filter(member => member.name === 'setterAndGetter');
|
|
expect(combinedSetter.kind).toEqual(ClassMemberKind.Setter);
|
|
expect(combinedSetter.isStatic).toEqual(false);
|
|
expect(ts.isSetAccessor(combinedSetter.implementation!)).toEqual(true);
|
|
expect(combinedSetter.value).toBeNull();
|
|
expect(combinedSetter.decorators!.map(d => d.name)).toEqual(['Input']);
|
|
expect(combinedGetter.kind).toEqual(ClassMemberKind.Getter);
|
|
expect(combinedGetter.isStatic).toEqual(false);
|
|
expect(ts.isGetAccessor(combinedGetter.implementation!)).toEqual(true);
|
|
expect(combinedGetter.value).toBeNull();
|
|
expect(combinedGetter.decorators!.map(d => d.name)).toEqual([]);
|
|
});
|
|
|
|
it('should find static methods on a class', () => {
|
|
loadTestFiles([SOME_DIRECTIVE_FILE]);
|
|
const bundle = makeTestBundleProgram(SOME_DIRECTIVE_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
const staticMethod = members.find(member => member.name === 'staticMethod')!;
|
|
expect(staticMethod.kind).toEqual(ClassMemberKind.Method);
|
|
expect(staticMethod.isStatic).toEqual(true);
|
|
expect(ts.isMethodDeclaration(staticMethod.implementation!)).toEqual(true);
|
|
});
|
|
|
|
it('should find static properties on a class', () => {
|
|
loadTestFiles([SOME_DIRECTIVE_FILE]);
|
|
const bundle = makeTestBundleProgram(SOME_DIRECTIVE_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
const staticProperty = members.find(member => member.name === 'staticProperty')!;
|
|
expect(staticProperty.kind).toEqual(ClassMemberKind.Property);
|
|
expect(staticProperty.isStatic).toEqual(true);
|
|
expect(ts.isPropertyAccessExpression(staticProperty.implementation!)).toEqual(true);
|
|
expect(staticProperty.value!.getText()).toEqual(`'static'`);
|
|
});
|
|
|
|
it('should ignore index signature properties', () => {
|
|
loadTestFiles([INDEX_SIGNATURE_PROP_FILE]);
|
|
const logger = new MockLogger();
|
|
const bundle = makeTestBundleProgram(INDEX_SIGNATURE_PROP_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(logger, false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INDEX_SIGNATURE_PROP_FILE.name, 'IndexSignatureClass',
|
|
isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
expect(members).toEqual([]);
|
|
expect(logger.logs.warn).toEqual([]);
|
|
});
|
|
|
|
it('should throw if the symbol is not a class', () => {
|
|
loadTestFiles([FOO_FUNCTION_FILE]);
|
|
const bundle = makeTestBundleProgram(FOO_FUNCTION_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const functionNode = getDeclaration(
|
|
bundle.program, FOO_FUNCTION_FILE.name, 'foo', isNamedFunctionDeclaration);
|
|
expect(() => {
|
|
host.getMembersOfClass(functionNode);
|
|
}).toThrowError(`Attempted to get members of a non-class: "function foo() {}"`);
|
|
});
|
|
|
|
it('should return an empty array if there are no prop decorators', () => {
|
|
loadTestFiles([SIMPLE_CLASS_FILE]);
|
|
const bundle = makeTestBundleProgram(SIMPLE_CLASS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SIMPLE_CLASS_FILE.name, 'EmptyClass', isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
expect(members).toEqual([]);
|
|
});
|
|
|
|
it('should not process decorated properties in `propDecorators` if it is not an object literal',
|
|
() => {
|
|
loadTestFiles([INVALID_PROP_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_PROP_DECORATORS_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_PROP_DECORATORS_FILE.name, 'NotObjectLiteral',
|
|
isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
expect(members.map(member => member.name)).not.toContain('prop');
|
|
});
|
|
|
|
it('should ignore prop decorator elements that are not object literals', () => {
|
|
loadTestFiles([INVALID_PROP_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_PROP_DECORATORS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_PROP_DECORATORS_FILE.name, 'NotObjectLiteralProp',
|
|
isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
const prop = members.find(m => m.name === 'prop')!;
|
|
const decorators = prop.decorators!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Input'}));
|
|
});
|
|
|
|
it('should ignore prop decorator elements that have no `type` property', () => {
|
|
loadTestFiles([INVALID_PROP_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_PROP_DECORATORS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_PROP_DECORATORS_FILE.name, 'NoTypeProperty',
|
|
isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
const prop = members.find(m => m.name === 'prop')!;
|
|
const decorators = prop.decorators!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Input'}));
|
|
});
|
|
|
|
it('should ignore prop decorator elements whose `type` value is not an identifier', () => {
|
|
loadTestFiles([INVALID_PROP_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_PROP_DECORATORS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_PROP_DECORATORS_FILE.name, 'NotIdentifier',
|
|
isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
const prop = members.find(m => m.name === 'prop')!;
|
|
const decorators = prop.decorators!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Input'}));
|
|
});
|
|
|
|
describe('(returned prop decorators `args`)', () => {
|
|
it('should be an empty array if prop decorator has no `args` property', () => {
|
|
loadTestFiles([INVALID_PROP_DECORATOR_ARGS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_PROP_DECORATOR_ARGS_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_PROP_DECORATOR_ARGS_FILE.name, 'NoArgsProperty',
|
|
isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
const prop = members.find(m => m.name === 'prop')!;
|
|
const decorators = prop.decorators!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Input');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
|
|
it('should be an empty array if prop decorator\'s `args` has no property assignment',
|
|
() => {
|
|
loadTestFiles([INVALID_PROP_DECORATOR_ARGS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_PROP_DECORATOR_ARGS_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_PROP_DECORATOR_ARGS_FILE.name, 'NoPropertyAssignment',
|
|
isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
const prop = members.find(m => m.name === 'prop')!;
|
|
const decorators = prop.decorators!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Input');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
|
|
it('should be an empty array if `args` property value is not an array literal', () => {
|
|
loadTestFiles([INVALID_PROP_DECORATOR_ARGS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_PROP_DECORATOR_ARGS_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_PROP_DECORATOR_ARGS_FILE.name, 'NotArrayLiteral',
|
|
isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
const prop = members.find(m => m.name === 'prop')!;
|
|
const decorators = prop.decorators!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Input');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('getConstructorParameters()', () => {
|
|
it('should find the decorated constructor parameters', () => {
|
|
loadFakeCore(getFileSystem());
|
|
loadTestFiles([SOME_DIRECTIVE_FILE]);
|
|
const bundle = makeTestBundleProgram(SOME_DIRECTIVE_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode)!;
|
|
|
|
expect(parameters).toBeDefined();
|
|
expect(parameters.map(parameter => parameter.name)).toEqual([
|
|
'_viewContainer', '_template', 'injected'
|
|
]);
|
|
expectTypeValueReferencesForParameters(
|
|
parameters, ['ViewContainerRef', 'TemplateRef', null], '@angular/core');
|
|
});
|
|
|
|
it('should accept `ctorParameters` as an array', () => {
|
|
loadTestFiles([CTOR_DECORATORS_ARRAY_FILE]);
|
|
const bundle = makeTestBundleProgram(CTOR_DECORATORS_ARRAY_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, CTOR_DECORATORS_ARRAY_FILE.name, 'CtorDecoratedAsArray',
|
|
isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode)!;
|
|
|
|
expect(parameters).toBeDefined();
|
|
expect(parameters.map(parameter => parameter.name)).toEqual(['arg1']);
|
|
expectTypeValueReferencesForParameters(parameters, ['ParamType']);
|
|
});
|
|
|
|
it('should throw if the symbol is not a class', () => {
|
|
loadTestFiles([FOO_FUNCTION_FILE]);
|
|
const bundle = makeTestBundleProgram(FOO_FUNCTION_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const functionNode = getDeclaration(
|
|
bundle.program, FOO_FUNCTION_FILE.name, 'foo', isNamedFunctionDeclaration);
|
|
expect(() => {
|
|
host.getConstructorParameters(functionNode);
|
|
})
|
|
.toThrowError(
|
|
'Attempted to get constructor parameters of a non-class: "function foo() {}"');
|
|
});
|
|
|
|
it('should return `null` if there is no constructor', () => {
|
|
loadTestFiles([SIMPLE_CLASS_FILE]);
|
|
const bundle = makeTestBundleProgram(SIMPLE_CLASS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SIMPLE_CLASS_FILE.name, 'EmptyClass', isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
expect(parameters).toBe(null);
|
|
});
|
|
|
|
it('should return an array even if there are no decorators', () => {
|
|
loadTestFiles([SIMPLE_CLASS_FILE]);
|
|
const bundle = makeTestBundleProgram(SIMPLE_CLASS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SIMPLE_CLASS_FILE.name, 'NoDecoratorConstructorClass',
|
|
isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode)!;
|
|
|
|
expect(parameters).toEqual(jasmine.any(Array));
|
|
expect(parameters.length).toEqual(1);
|
|
expect(parameters[0].name).toEqual('foo');
|
|
expect(parameters[0].decorators).toBe(null);
|
|
});
|
|
|
|
it('should return an empty array if there are no constructor parameters', () => {
|
|
loadTestFiles([INVALID_CTOR_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_CTOR_DECORATORS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_CTOR_DECORATORS_FILE.name, 'NoParameters',
|
|
isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
|
|
expect(parameters).toEqual([]);
|
|
});
|
|
|
|
it('should ignore decorators that are not imported from core', () => {
|
|
loadTestFiles([INVALID_CTOR_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_CTOR_DECORATORS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_CTOR_DECORATORS_FILE.name, 'NotFromCore',
|
|
isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode)!;
|
|
|
|
expect(parameters.length).toBe(1);
|
|
expect(parameters[0]).toEqual(jasmine.objectContaining<CtorParameter>({
|
|
name: 'arg1',
|
|
decorators: [],
|
|
}));
|
|
});
|
|
|
|
it('should ignore `ctorParameters` if it is not an arrow function', () => {
|
|
loadTestFiles([INVALID_CTOR_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_CTOR_DECORATORS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_CTOR_DECORATORS_FILE.name, 'NotArrowFunction',
|
|
isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode)!;
|
|
|
|
expect(parameters.length).toBe(1);
|
|
expect(parameters[0]).toEqual(jasmine.objectContaining<CtorParameter>({
|
|
name: 'arg1',
|
|
decorators: null,
|
|
}));
|
|
});
|
|
|
|
it('should ignore `ctorParameters` if it does not return an array literal', () => {
|
|
loadTestFiles([INVALID_CTOR_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_CTOR_DECORATORS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_CTOR_DECORATORS_FILE.name, 'NotArrayLiteral',
|
|
isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode)!;
|
|
|
|
expect(parameters.length).toBe(1);
|
|
expect(parameters[0]).toEqual(jasmine.objectContaining<CtorParameter>({
|
|
name: 'arg1',
|
|
decorators: null,
|
|
}));
|
|
});
|
|
|
|
describe('synthesized constructors', () => {
|
|
function getConstructorParameters(constructor: string) {
|
|
const file = {
|
|
name: _('/synthesized_constructors.js'),
|
|
contents: `
|
|
class BaseClass {}
|
|
class TestClass extends BaseClass {
|
|
${constructor}
|
|
}
|
|
`,
|
|
};
|
|
|
|
loadTestFiles([file]);
|
|
const bundle = makeTestBundleProgram(file.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode =
|
|
getDeclaration(bundle.program, file.name, 'TestClass', isNamedClassDeclaration);
|
|
return host.getConstructorParameters(classNode);
|
|
}
|
|
|
|
it('recognizes super call as first statement', () => {
|
|
const parameters = getConstructorParameters(`
|
|
constructor() {
|
|
super(...arguments);
|
|
this.synthesizedProperty = null;
|
|
}`);
|
|
|
|
expect(parameters).toBeNull();
|
|
});
|
|
|
|
it('does not consider super call without spread element as synthesized', () => {
|
|
const parameters = getConstructorParameters(`
|
|
constructor() {
|
|
super(arguments);
|
|
}`);
|
|
|
|
expect(parameters!.length).toBe(0);
|
|
});
|
|
|
|
it('does not consider constructors with parameters as synthesized', () => {
|
|
const parameters = getConstructorParameters(`
|
|
constructor(arg) {
|
|
super(...arguments);
|
|
}`);
|
|
|
|
expect(parameters!.length).toBe(1);
|
|
});
|
|
|
|
it('does not consider manual super calls as synthesized', () => {
|
|
const parameters = getConstructorParameters(`
|
|
constructor() {
|
|
super();
|
|
}`);
|
|
|
|
expect(parameters!.length).toBe(0);
|
|
});
|
|
|
|
it('does not consider empty constructors as synthesized', () => {
|
|
const parameters = getConstructorParameters(`
|
|
constructor() {
|
|
}`);
|
|
|
|
expect(parameters!.length).toBe(0);
|
|
});
|
|
});
|
|
|
|
describe('(returned parameters `decorators`)', () => {
|
|
it('should ignore param decorator elements that are not object literals', () => {
|
|
loadTestFiles([INVALID_CTOR_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_CTOR_DECORATORS_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_CTOR_DECORATORS_FILE.name, 'NotObjectLiteral',
|
|
isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
|
|
expect(parameters!.length).toBe(2);
|
|
expect(parameters![0]).toEqual(jasmine.objectContaining<CtorParameter>({
|
|
name: 'arg1',
|
|
decorators: null,
|
|
}));
|
|
expect(parameters![1]).toEqual(jasmine.objectContaining<CtorParameter>({
|
|
name: 'arg2',
|
|
decorators: jasmine.any(Array) as any
|
|
}));
|
|
});
|
|
|
|
it('should ignore param decorator elements that have no `type` property', () => {
|
|
loadTestFiles([INVALID_CTOR_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_CTOR_DECORATORS_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_CTOR_DECORATORS_FILE.name, 'NoTypeProperty',
|
|
isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
const decorators = parameters![0].decorators!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Inject'}));
|
|
});
|
|
|
|
it('should ignore param decorator elements whose `type` value is not an identifier', () => {
|
|
loadTestFiles([INVALID_CTOR_DECORATORS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_CTOR_DECORATORS_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_CTOR_DECORATORS_FILE.name, 'NotIdentifier',
|
|
isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
const decorators = parameters![0].decorators!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Inject'}));
|
|
});
|
|
|
|
it('should have import information on decorators', () => {
|
|
loadTestFiles([SOME_DIRECTIVE_FILE]);
|
|
const bundle = makeTestBundleProgram(SOME_DIRECTIVE_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode)!;
|
|
const decorators = parameters[2].decorators!;
|
|
|
|
expect(decorators.length).toEqual(1);
|
|
expect(decorators[0].import).toEqual({name: 'Inject', from: '@angular/core'});
|
|
});
|
|
});
|
|
|
|
describe('(returned parameters `decorators.args`)', () => {
|
|
it('should be an empty array if param decorator has no `args` property', () => {
|
|
loadTestFiles([INVALID_CTOR_DECORATOR_ARGS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_CTOR_DECORATOR_ARGS_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_CTOR_DECORATOR_ARGS_FILE.name, 'NoArgsProperty',
|
|
isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
expect(parameters!.length).toBe(1);
|
|
const decorators = parameters![0].decorators!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Inject');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
|
|
it('should be an empty array if param decorator\'s `args` has no property assignment',
|
|
() => {
|
|
loadTestFiles([INVALID_CTOR_DECORATOR_ARGS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_CTOR_DECORATOR_ARGS_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_CTOR_DECORATOR_ARGS_FILE.name, 'NoPropertyAssignment',
|
|
isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
const decorators = parameters![0].decorators!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Inject');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
|
|
it('should be an empty array if `args` property value is not an array literal', () => {
|
|
loadTestFiles([INVALID_CTOR_DECORATOR_ARGS_FILE]);
|
|
const bundle = makeTestBundleProgram(INVALID_CTOR_DECORATOR_ARGS_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, INVALID_CTOR_DECORATOR_ARGS_FILE.name, 'NotArrayLiteral',
|
|
isNamedClassDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
const decorators = parameters![0].decorators!;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Inject');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('getDefinitionOfFunction()', () => {
|
|
it('should return an object describing the function declaration passed as an argument',
|
|
() => {
|
|
loadTestFiles([FUNCTION_BODY_FILE]);
|
|
const bundle = makeTestBundleProgram(FUNCTION_BODY_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
|
|
const fooNode = getDeclaration(
|
|
bundle.program, FUNCTION_BODY_FILE.name, 'foo', isNamedFunctionDeclaration)!;
|
|
const fooDef = host.getDefinitionOfFunction(fooNode)!;
|
|
expect(fooDef.node).toBe(fooNode);
|
|
expect(fooDef.body!.length).toEqual(1);
|
|
expect(fooDef.body![0].getText()).toEqual(`return x;`);
|
|
expect(fooDef.parameters.length).toEqual(1);
|
|
expect(fooDef.parameters[0].name).toEqual('x');
|
|
expect(fooDef.parameters[0].initializer).toBe(null);
|
|
|
|
const barNode = getDeclaration(
|
|
bundle.program, FUNCTION_BODY_FILE.name, 'bar', isNamedFunctionDeclaration)!;
|
|
const barDef = host.getDefinitionOfFunction(barNode)!;
|
|
expect(barDef.node).toBe(barNode);
|
|
expect(barDef.body!.length).toEqual(1);
|
|
expect(ts.isReturnStatement(barDef.body![0])).toBeTruthy();
|
|
expect(barDef.body![0].getText()).toEqual(`return x + y;`);
|
|
expect(barDef.parameters.length).toEqual(2);
|
|
expect(barDef.parameters[0].name).toEqual('x');
|
|
expect(fooDef.parameters[0].initializer).toBe(null);
|
|
expect(barDef.parameters[1].name).toEqual('y');
|
|
expect(barDef.parameters[1].initializer!.getText()).toEqual('42');
|
|
|
|
const bazNode = getDeclaration(
|
|
bundle.program, FUNCTION_BODY_FILE.name, 'baz', isNamedFunctionDeclaration)!;
|
|
const bazDef = host.getDefinitionOfFunction(bazNode)!;
|
|
expect(bazDef.node).toBe(bazNode);
|
|
expect(bazDef.body!.length).toEqual(3);
|
|
expect(bazDef.parameters.length).toEqual(1);
|
|
expect(bazDef.parameters[0].name).toEqual('x');
|
|
expect(bazDef.parameters[0].initializer).toBe(null);
|
|
|
|
const quxNode = getDeclaration(
|
|
bundle.program, FUNCTION_BODY_FILE.name, 'qux', isNamedFunctionDeclaration)!;
|
|
const quxDef = host.getDefinitionOfFunction(quxNode)!;
|
|
expect(quxDef.node).toBe(quxNode);
|
|
expect(quxDef.body!.length).toEqual(2);
|
|
expect(quxDef.parameters.length).toEqual(1);
|
|
expect(quxDef.parameters[0].name).toEqual('x');
|
|
expect(quxDef.parameters[0].initializer).toBe(null);
|
|
|
|
const mooNode = getDeclaration(
|
|
bundle.program, FUNCTION_BODY_FILE.name, 'moo', isNamedFunctionDeclaration)!;
|
|
const mooDef = host.getDefinitionOfFunction(mooNode)!;
|
|
expect(mooDef.node).toBe(mooNode);
|
|
expect(mooDef.body!.length).toEqual(3);
|
|
expect(mooDef.parameters).toEqual([]);
|
|
|
|
const juuNode = getDeclaration(
|
|
bundle.program, FUNCTION_BODY_FILE.name, 'juu', isNamedFunctionDeclaration)!;
|
|
const juuDef = host.getDefinitionOfFunction(juuNode)!;
|
|
expect(juuDef.node).toBe(juuNode);
|
|
expect(juuDef.body!.length).toEqual(2);
|
|
expect(juuDef.parameters).toEqual([]);
|
|
});
|
|
});
|
|
|
|
describe('getImportOfIdentifier()', () => {
|
|
it('should find the import of an identifier', () => {
|
|
loadTestFiles(IMPORTS_FILES);
|
|
const bundle = makeTestBundleProgram(_('/index.js'));
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const variableNode =
|
|
getDeclaration(bundle.program, _('/b.js'), 'b', isNamedVariableDeclaration);
|
|
const importOfIdent = host.getImportOfIdentifier(variableNode.initializer as ts.Identifier);
|
|
|
|
expect(importOfIdent).toEqual({name: 'a', from: './a.js'});
|
|
});
|
|
|
|
it('should find the name by which the identifier was exported, not imported', () => {
|
|
loadTestFiles(IMPORTS_FILES);
|
|
const bundle = makeTestBundleProgram(_('/index.js'));
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const variableNode =
|
|
getDeclaration(bundle.program, _('/b.js'), 'c', isNamedVariableDeclaration);
|
|
const importOfIdent = host.getImportOfIdentifier(variableNode.initializer as ts.Identifier);
|
|
|
|
expect(importOfIdent).toEqual({name: 'a', from: './a.js'});
|
|
});
|
|
|
|
it('should return null if the identifier was not imported', () => {
|
|
loadTestFiles(IMPORTS_FILES);
|
|
const bundle = makeTestBundleProgram(_('/index.js'));
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const variableNode =
|
|
getDeclaration(bundle.program, _('/b.js'), 'd', isNamedVariableDeclaration);
|
|
const importOfIdent = host.getImportOfIdentifier(variableNode.initializer as ts.Identifier);
|
|
|
|
expect(importOfIdent).toBeNull();
|
|
});
|
|
});
|
|
|
|
describe('getDeclarationOfIdentifier()', () => {
|
|
it('should return the declaration of a locally defined identifier', () => {
|
|
loadFakeCore(getFileSystem());
|
|
loadTestFiles([SOME_DIRECTIVE_FILE]);
|
|
const bundle = makeTestBundleProgram(SOME_DIRECTIVE_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedClassDeclaration);
|
|
const actualDeclaration = host.getDeclarationOfIdentifier(classNode.name);
|
|
expect(actualDeclaration).not.toBe(null);
|
|
expect(actualDeclaration!.node).toBe(classNode);
|
|
expect(actualDeclaration!.viaModule).toBe(null);
|
|
expect((actualDeclaration as ConcreteDeclaration).identity).toBe(null);
|
|
});
|
|
|
|
it('should return the declaration of an externally defined identifier', () => {
|
|
loadFakeCore(getFileSystem());
|
|
loadTestFiles([SOME_DIRECTIVE_FILE]);
|
|
const bundle = makeTestBundleProgram(SOME_DIRECTIVE_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedClassDeclaration);
|
|
const classDecorators = host.getDecoratorsOfDeclaration(classNode)!;
|
|
const identifierOfDirective =
|
|
((classDecorators[0].node as ts.ObjectLiteralExpression).properties[0] as
|
|
ts.PropertyAssignment)
|
|
.initializer as ts.Identifier;
|
|
|
|
const expectedDeclarationNode = getDeclaration(
|
|
bundle.program, _('/node_modules/@angular/core/index.d.ts'), 'Directive',
|
|
isNamedVariableDeclaration);
|
|
const actualDeclaration = host.getDeclarationOfIdentifier(identifierOfDirective);
|
|
expect(actualDeclaration).not.toBe(null);
|
|
expect(actualDeclaration!.node).toBe(expectedDeclarationNode);
|
|
expect(actualDeclaration!.viaModule).toBe('@angular/core');
|
|
});
|
|
|
|
it('should return the source-file of an import namespace', () => {
|
|
loadFakeCore(getFileSystem());
|
|
loadTestFiles([NAMESPACED_IMPORT_FILE]);
|
|
const bundle = makeTestBundleProgram(NAMESPACED_IMPORT_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode = getDeclaration(
|
|
bundle.program, NAMESPACED_IMPORT_FILE.name, 'SomeDirective', ts.isClassDeclaration);
|
|
const classDecorators = host.getDecoratorsOfDeclaration(classNode)!;
|
|
const identifier =
|
|
(((classDecorators[0].node as ts.ObjectLiteralExpression).properties[0] as
|
|
ts.PropertyAssignment)
|
|
.initializer as ts.PropertyAccessExpression)
|
|
.expression as ts.Identifier;
|
|
|
|
const expectedDeclarationNode =
|
|
getSourceFileOrError(bundle.program, _('/node_modules/@angular/core/index.d.ts'));
|
|
const actualDeclaration = host.getDeclarationOfIdentifier(identifier);
|
|
expect(actualDeclaration).not.toBe(null);
|
|
expect(actualDeclaration!.node).toBe(expectedDeclarationNode);
|
|
expect(actualDeclaration!.viaModule).toBe('@angular/core');
|
|
});
|
|
|
|
it('should return the original declaration of an aliased class', () => {
|
|
loadTestFiles([CLASS_EXPRESSION_FILE]);
|
|
const bundle = makeTestBundleProgram(CLASS_EXPRESSION_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classDeclaration = getDeclaration(
|
|
bundle.program, CLASS_EXPRESSION_FILE.name, 'AliasedClass', ts.isVariableDeclaration);
|
|
const usageOfAliasedClass = getDeclaration(
|
|
bundle.program, CLASS_EXPRESSION_FILE.name, 'usageOfAliasedClass',
|
|
ts.isVariableDeclaration);
|
|
const aliasedClassIdentifier = usageOfAliasedClass.initializer as ts.Identifier;
|
|
expect(aliasedClassIdentifier.text).toBe('AliasedClass_1');
|
|
expect(host.getDeclarationOfIdentifier(aliasedClassIdentifier)!.node)
|
|
.toBe(classDeclaration);
|
|
});
|
|
|
|
it('should return the original declaration of an aliased class', () => {
|
|
loadTestFiles([WRAPPED_CLASS_EXPRESSION_FILE]);
|
|
const bundle = makeTestBundleProgram(WRAPPED_CLASS_EXPRESSION_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classDeclaration = getDeclaration(
|
|
bundle.program, WRAPPED_CLASS_EXPRESSION_FILE.name, 'AliasedWrappedClass',
|
|
ts.isVariableDeclaration);
|
|
const usageOfWrappedClass = getDeclaration(
|
|
bundle.program, WRAPPED_CLASS_EXPRESSION_FILE.name, 'usageOfWrappedClass',
|
|
ts.isVariableDeclaration);
|
|
const aliasedClassIdentifier = usageOfWrappedClass.initializer as ts.Identifier;
|
|
expect(aliasedClassIdentifier.text).toBe('AliasedWrappedClass_1');
|
|
expect(host.getDeclarationOfIdentifier(aliasedClassIdentifier)!.node)
|
|
.toBe(classDeclaration);
|
|
});
|
|
|
|
it('should recognize enum declarations with string values', () => {
|
|
const testFile: TestFile = {
|
|
name: _('/node_modules/test-package/some/file.js'),
|
|
contents: `
|
|
export var Enum;
|
|
(function (Enum) {
|
|
Enum["ValueA"] = "1";
|
|
Enum["ValueB"] = "2";
|
|
})(Enum || (Enum = {}));
|
|
|
|
var value = Enum;`
|
|
};
|
|
loadTestFiles([testFile]);
|
|
const bundle = makeTestBundleProgram(testFile.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const valueDecl = getDeclaration(
|
|
bundle.program, _('/node_modules/test-package/some/file.js'), 'value',
|
|
ts.isVariableDeclaration);
|
|
const declaration = host.getDeclarationOfIdentifier(
|
|
valueDecl.initializer as ts.Identifier) as ConcreteDeclaration;
|
|
|
|
expect(declaration.node.parent.parent.getText()).toBe('export var Enum;');
|
|
|
|
const enumMembers = (declaration.identity as DownleveledEnum).enumMembers;
|
|
expect(enumMembers!.length).toBe(2);
|
|
expect(enumMembers![0].name.getText()).toBe('"ValueA"');
|
|
expect(enumMembers![0].initializer!.getText()).toBe('"1"');
|
|
expect(enumMembers![1].name.getText()).toBe('"ValueB"');
|
|
expect(enumMembers![1].initializer!.getText()).toBe('"2"');
|
|
});
|
|
|
|
it('should recognize enum declarations with numeric values', () => {
|
|
const testFile: TestFile = {
|
|
name: _('/node_modules/test-package/some/file.js'),
|
|
contents: `
|
|
export var Enum;
|
|
(function (Enum) {
|
|
Enum[Enum["ValueA"] = "1"] = "ValueA";
|
|
Enum[Enum["ValueB"] = "2"] = "ValueB";
|
|
})(Enum || (Enum = {}));
|
|
|
|
var value = Enum;`
|
|
};
|
|
loadTestFiles([testFile]);
|
|
const bundle = makeTestBundleProgram(testFile.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const valueDecl = getDeclaration(
|
|
bundle.program, _('/node_modules/test-package/some/file.js'), 'value',
|
|
ts.isVariableDeclaration);
|
|
const declaration = host.getDeclarationOfIdentifier(
|
|
valueDecl.initializer as ts.Identifier) as ConcreteDeclaration;
|
|
|
|
const enumMembers = (declaration.identity as DownleveledEnum).enumMembers;
|
|
expect(declaration.node.parent.parent.getText()).toBe('export var Enum;');
|
|
expect(enumMembers!.length).toBe(2);
|
|
expect(enumMembers![0].name.getText()).toBe('"ValueA"');
|
|
expect(enumMembers![0].initializer!.getText()).toBe('"1"');
|
|
expect(enumMembers![1].name.getText()).toBe('"ValueB"');
|
|
expect(enumMembers![1].initializer!.getText()).toBe('"2"');
|
|
});
|
|
|
|
it('should not consider IIFEs that do no assign members to the parameter as an enum declaration',
|
|
() => {
|
|
const testFile: TestFile = {
|
|
name: _('/node_modules/test-package/some/file.js'),
|
|
contents: `
|
|
export var Enum;
|
|
(function (E) {
|
|
Enum["ValueA"] = "1";
|
|
Enum["ValueB"] = "2";
|
|
})(Enum || (Enum = {}));
|
|
|
|
var value = Enum;`
|
|
};
|
|
loadTestFiles([testFile]);
|
|
const bundle = makeTestBundleProgram(testFile.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const valueDecl = getDeclaration(
|
|
bundle.program, _('/node_modules/test-package/some/file.js'), 'value',
|
|
ts.isVariableDeclaration);
|
|
const declaration = host.getDeclarationOfIdentifier(
|
|
valueDecl.initializer as ts.Identifier) as ConcreteDeclaration;
|
|
|
|
expect(declaration.node.parent.parent.getText()).toBe('export var Enum;');
|
|
expect(declaration.identity).toBe(null);
|
|
});
|
|
|
|
it('should not consider IIFEs without call argument as an enum declaration', () => {
|
|
const testFile: TestFile = {
|
|
name: _('/node_modules/test-package/some/file.js'),
|
|
contents: `
|
|
export var Enum;
|
|
(function (Enum) {
|
|
Enum["ValueA"] = "1";
|
|
Enum["ValueB"] = "2";
|
|
})();
|
|
|
|
var value = Enum;`
|
|
};
|
|
loadTestFiles([testFile]);
|
|
const bundle = makeTestBundleProgram(testFile.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const valueDecl = getDeclaration(
|
|
bundle.program, _('/node_modules/test-package/some/file.js'), 'value',
|
|
ts.isVariableDeclaration);
|
|
const declaration = host.getDeclarationOfIdentifier(
|
|
valueDecl.initializer as ts.Identifier) as ConcreteDeclaration;
|
|
|
|
expect(declaration.node.parent.parent.getText()).toBe('export var Enum;');
|
|
expect(declaration.identity).toBe(null);
|
|
});
|
|
});
|
|
|
|
describe('getExportsOfModule()', () => {
|
|
it('should return a map of all the exports from a given module', () => {
|
|
loadFakeCore(getFileSystem());
|
|
loadTestFiles(EXPORTS_FILES);
|
|
const bundle = makeTestBundleProgram(_('/index.js'));
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const file = getSourceFileOrError(bundle.program, _('/b.js'));
|
|
const exportDeclarations = host.getExportsOfModule(file);
|
|
expect(exportDeclarations).not.toBe(null);
|
|
expect(Array.from(exportDeclarations!.keys())).toEqual([
|
|
'Directive',
|
|
'a',
|
|
'b',
|
|
'c',
|
|
'd',
|
|
'e',
|
|
'DirectiveX',
|
|
'SomeClass',
|
|
]);
|
|
|
|
const values =
|
|
Array.from(exportDeclarations!.values())
|
|
.map(declaration => [declaration.node!.getText(), declaration.viaModule]);
|
|
expect(values).toEqual([
|
|
[`Directive: FnWithArg<(clazz: any) => any>`, null],
|
|
[`a = 'a'`, null],
|
|
[`b = a`, null],
|
|
[`c = foo`, null],
|
|
[`d = b`, null],
|
|
[`e = 'e'`, null],
|
|
[`DirectiveX = Directive`, null],
|
|
['export class SomeClass {}', null],
|
|
]);
|
|
});
|
|
});
|
|
|
|
describe('getClassSymbol()', () => {
|
|
it('should return the class symbol for an ES2015 class', () => {
|
|
loadTestFiles([SIMPLE_CLASS_FILE]);
|
|
const bundle = makeTestBundleProgram(SIMPLE_CLASS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const node = getDeclaration(
|
|
bundle.program, SIMPLE_CLASS_FILE.name, 'EmptyClass', isNamedClassDeclaration);
|
|
const classSymbol = host.getClassSymbol(node);
|
|
|
|
expect(classSymbol).toBeDefined();
|
|
expect(classSymbol!.declaration.valueDeclaration).toBe(node);
|
|
expect(classSymbol!.implementation.valueDeclaration).toBe(node);
|
|
});
|
|
|
|
it('should return the class symbol for a class expression (outer variable declaration)',
|
|
() => {
|
|
loadTestFiles([CLASS_EXPRESSION_FILE]);
|
|
const bundle = makeTestBundleProgram(CLASS_EXPRESSION_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const outerNode = getDeclaration(
|
|
bundle.program, CLASS_EXPRESSION_FILE.name, 'EmptyClass',
|
|
isNamedVariableDeclaration);
|
|
const innerNode = (outerNode.initializer as ts.ClassExpression);
|
|
const classSymbol = host.getClassSymbol(outerNode);
|
|
|
|
expect(classSymbol).toBeDefined();
|
|
expect(classSymbol!.declaration.valueDeclaration).toBe(outerNode);
|
|
expect(classSymbol!.implementation.valueDeclaration).toBe(innerNode);
|
|
});
|
|
|
|
it('should return the class symbol for a class expression (inner class expression)', () => {
|
|
loadTestFiles([CLASS_EXPRESSION_FILE]);
|
|
const bundle = makeTestBundleProgram(CLASS_EXPRESSION_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const outerNode = getDeclaration(
|
|
bundle.program, CLASS_EXPRESSION_FILE.name, 'EmptyClass', isNamedVariableDeclaration);
|
|
const innerNode = (outerNode.initializer as ts.ClassExpression);
|
|
const classSymbol = host.getClassSymbol(innerNode);
|
|
|
|
expect(classSymbol).toBeDefined();
|
|
expect(classSymbol!.declaration.valueDeclaration).toBe(outerNode);
|
|
expect(classSymbol!.implementation.valueDeclaration).toBe(innerNode);
|
|
});
|
|
|
|
it('should return the same class symbol (of the outer declaration) for outer and inner declarations',
|
|
() => {
|
|
loadTestFiles([CLASS_EXPRESSION_FILE]);
|
|
const bundle = makeTestBundleProgram(CLASS_EXPRESSION_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const outerNode = getDeclaration(
|
|
bundle.program, CLASS_EXPRESSION_FILE.name, 'EmptyClass',
|
|
isNamedVariableDeclaration);
|
|
const innerNode = (outerNode.initializer as ts.ClassExpression);
|
|
|
|
const innerSymbol = host.getClassSymbol(innerNode)!;
|
|
const outerSymbol = host.getClassSymbol(outerNode)!;
|
|
expect(innerSymbol.declaration).toBe(outerSymbol.declaration);
|
|
expect(innerSymbol.implementation).toBe(outerSymbol.implementation);
|
|
});
|
|
|
|
it('should return the class symbol for a wrapped class expression (outer variable declaration)',
|
|
() => {
|
|
loadTestFiles([WRAPPED_CLASS_EXPRESSION_FILE]);
|
|
const bundle = makeTestBundleProgram(WRAPPED_CLASS_EXPRESSION_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const outerNode = getDeclaration(
|
|
bundle.program, WRAPPED_CLASS_EXPRESSION_FILE.name, 'SimpleWrappedClass',
|
|
isNamedVariableDeclaration);
|
|
const classSymbol = host.getClassSymbol(outerNode);
|
|
|
|
if (classSymbol === undefined) {
|
|
return fail('Expected classSymbol to be defined');
|
|
}
|
|
expect(classSymbol.name).toEqual('SimpleWrappedClass');
|
|
expect(classSymbol.declaration.valueDeclaration).toBe(outerNode);
|
|
if (!isNamedClassDeclaration(classSymbol.implementation.valueDeclaration)) {
|
|
return fail('Expected a named class declaration');
|
|
}
|
|
expect(classSymbol.implementation.valueDeclaration.name.text).toBe('SimpleWrappedClass');
|
|
});
|
|
|
|
it('should return the class symbol for a wrapped class expression (inner class expression)',
|
|
() => {
|
|
loadTestFiles([WRAPPED_CLASS_EXPRESSION_FILE]);
|
|
const bundle = makeTestBundleProgram(WRAPPED_CLASS_EXPRESSION_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const outerNode = getDeclaration(
|
|
bundle.program, WRAPPED_CLASS_EXPRESSION_FILE.name, 'SimpleWrappedClass',
|
|
isNamedVariableDeclaration);
|
|
const innerNode = ((outerNode as any).initializer.expression.expression.body as ts.Block)
|
|
.statements[0];
|
|
const classSymbol = host.getClassSymbol(innerNode);
|
|
|
|
if (classSymbol === undefined) {
|
|
return fail('Expected classSymbol to be defined');
|
|
}
|
|
expect(classSymbol.name).toEqual('SimpleWrappedClass');
|
|
expect(classSymbol.declaration.valueDeclaration).toBe(outerNode);
|
|
if (!isNamedClassDeclaration(classSymbol.implementation.valueDeclaration)) {
|
|
return fail('Expected a named class declaration');
|
|
}
|
|
expect(classSymbol.implementation.valueDeclaration.name.text).toBe('SimpleWrappedClass');
|
|
});
|
|
|
|
it('should return the same class symbol (of the outer declaration) for wrapped outer and inner declarations',
|
|
() => {
|
|
loadTestFiles([WRAPPED_CLASS_EXPRESSION_FILE]);
|
|
const bundle = makeTestBundleProgram(WRAPPED_CLASS_EXPRESSION_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const outerNode = getDeclaration(
|
|
bundle.program, WRAPPED_CLASS_EXPRESSION_FILE.name, 'SimpleWrappedClass',
|
|
isNamedVariableDeclaration);
|
|
const innerNode = ((outerNode as any).initializer.expression.expression.body as ts.Block)
|
|
.statements[0];
|
|
|
|
const innerSymbol = host.getClassSymbol(innerNode)!;
|
|
const outerSymbol = host.getClassSymbol(outerNode)!;
|
|
expect(innerSymbol.declaration).toBe(outerSymbol.declaration);
|
|
expect(innerSymbol.implementation).toBe(outerSymbol.implementation);
|
|
});
|
|
|
|
it('should return undefined if node is not a class', () => {
|
|
loadTestFiles([FOO_FUNCTION_FILE]);
|
|
const bundle = makeTestBundleProgram(FOO_FUNCTION_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const node = getDeclaration(
|
|
bundle.program, FOO_FUNCTION_FILE.name, 'foo', isNamedFunctionDeclaration);
|
|
const classSymbol = host.getClassSymbol(node);
|
|
|
|
expect(classSymbol).toBeUndefined();
|
|
});
|
|
|
|
it('should return undefined if variable declaration is not initialized using a class expression',
|
|
() => {
|
|
const testFile = {
|
|
name: _('/test.js'),
|
|
contents: `var MyClass = null;`,
|
|
};
|
|
loadTestFiles([testFile]);
|
|
const bundle = makeTestBundleProgram(testFile.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const node =
|
|
getDeclaration(bundle.program, testFile.name, 'MyClass', isNamedVariableDeclaration);
|
|
const classSymbol = host.getClassSymbol(node);
|
|
|
|
expect(classSymbol).toBeUndefined();
|
|
});
|
|
});
|
|
|
|
describe('isClass()', () => {
|
|
it('should return true if a given node is a TS class declaration', () => {
|
|
loadTestFiles([SIMPLE_CLASS_FILE]);
|
|
const bundle = makeTestBundleProgram(SIMPLE_CLASS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const node = getDeclaration(
|
|
bundle.program, SIMPLE_CLASS_FILE.name, 'EmptyClass', isNamedClassDeclaration);
|
|
expect(host.isClass(node)).toBe(true);
|
|
});
|
|
|
|
it('should return true if a given node is a class expression assigned into a variable',
|
|
() => {
|
|
loadTestFiles([CLASS_EXPRESSION_FILE]);
|
|
const bundle = makeTestBundleProgram(CLASS_EXPRESSION_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const node = getDeclaration(
|
|
bundle.program, CLASS_EXPRESSION_FILE.name, 'EmptyClass', ts.isVariableDeclaration);
|
|
expect(host.isClass(node)).toBe(true);
|
|
});
|
|
|
|
it('should return true if a given node is a class expression assigned into two variables',
|
|
() => {
|
|
loadTestFiles([CLASS_EXPRESSION_FILE]);
|
|
const bundle = makeTestBundleProgram(CLASS_EXPRESSION_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const node = getDeclaration(
|
|
bundle.program, CLASS_EXPRESSION_FILE.name, 'AliasedClass',
|
|
ts.isVariableDeclaration);
|
|
expect(host.isClass(node)).toBe(true);
|
|
});
|
|
|
|
it('should return false if a given node is a TS function declaration', () => {
|
|
loadTestFiles([FOO_FUNCTION_FILE]);
|
|
const bundle = makeTestBundleProgram(FOO_FUNCTION_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const node = getDeclaration(
|
|
bundle.program, FOO_FUNCTION_FILE.name, 'foo', isNamedFunctionDeclaration);
|
|
expect(host.isClass(node)).toBe(false);
|
|
});
|
|
});
|
|
|
|
describe('hasBaseClass()', () => {
|
|
it('should not consider a class without extends clause as having a base class', () => {
|
|
const file = {
|
|
name: _('/base_class.js'),
|
|
contents: `class TestClass {}`,
|
|
};
|
|
loadTestFiles([file]);
|
|
const bundle = makeTestBundleProgram(file.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode =
|
|
getDeclaration(bundle.program, file.name, 'TestClass', isNamedClassDeclaration);
|
|
expect(host.hasBaseClass(classNode)).toBe(false);
|
|
});
|
|
|
|
it('should consider a class with extends clause as having a base class', () => {
|
|
const file = {
|
|
name: _('/base_class.js'),
|
|
contents: `
|
|
class BaseClass {}
|
|
class TestClass extends BaseClass {}`,
|
|
};
|
|
loadTestFiles([file]);
|
|
const bundle = makeTestBundleProgram(file.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode =
|
|
getDeclaration(bundle.program, file.name, 'TestClass', isNamedClassDeclaration);
|
|
expect(host.hasBaseClass(classNode)).toBe(true);
|
|
});
|
|
|
|
it('should consider an aliased class with extends clause as having a base class', () => {
|
|
const file = {
|
|
name: _('/base_class.js'),
|
|
contents: `
|
|
let TestClass_1;
|
|
class BaseClass {}
|
|
let TestClass = TestClass_1 = class TestClass extends BaseClass {}`,
|
|
};
|
|
loadTestFiles([file]);
|
|
const bundle = makeTestBundleProgram(file.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode =
|
|
getDeclaration(bundle.program, file.name, 'TestClass', isNamedVariableDeclaration);
|
|
expect(host.hasBaseClass(classNode)).toBe(true);
|
|
});
|
|
});
|
|
|
|
describe('getBaseClassExpression()', () => {
|
|
it('should not consider a class without extends clause as having a base class', () => {
|
|
const file = {
|
|
name: _('/base_class.js'),
|
|
contents: `class TestClass {}`,
|
|
};
|
|
loadTestFiles([file]);
|
|
const bundle = makeTestBundleProgram(file.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode =
|
|
getDeclaration(bundle.program, file.name, 'TestClass', isNamedClassDeclaration);
|
|
expect(host.getBaseClassExpression(classNode)).toBe(null);
|
|
});
|
|
|
|
it('should find the base class of a class with an `extends` clause', () => {
|
|
const file = {
|
|
name: _('/base_class.js'),
|
|
contents: `
|
|
class BaseClass {}
|
|
class TestClass extends BaseClass {}`,
|
|
};
|
|
loadTestFiles([file]);
|
|
const bundle = makeTestBundleProgram(file.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode =
|
|
getDeclaration(bundle.program, file.name, 'TestClass', isNamedClassDeclaration);
|
|
const baseIdentifier = host.getBaseClassExpression(classNode)!;
|
|
if (!ts.isIdentifier(baseIdentifier)) {
|
|
throw new Error(`Expected ${baseIdentifier.getText()} to be an identifier.`);
|
|
}
|
|
expect(baseIdentifier.text).toEqual('BaseClass');
|
|
});
|
|
|
|
it('should find the base class of an aliased class with an `extends` clause', () => {
|
|
const file = {
|
|
name: _('/base_class.js'),
|
|
contents: `
|
|
let TestClass_1;
|
|
class BaseClass {}
|
|
let TestClass = TestClass_1 = class TestClass extends BaseClass {}`,
|
|
};
|
|
loadTestFiles([file]);
|
|
const bundle = makeTestBundleProgram(file.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode =
|
|
getDeclaration(bundle.program, file.name, 'TestClass', isNamedVariableDeclaration);
|
|
const baseIdentifier = host.getBaseClassExpression(classNode)!;
|
|
if (!ts.isIdentifier(baseIdentifier)) {
|
|
throw new Error(`Expected ${baseIdentifier.getText()} to be an identifier.`);
|
|
}
|
|
expect(baseIdentifier.text).toEqual('BaseClass');
|
|
});
|
|
|
|
it('should find the base class expression of a class with a dynamic `extends` expression',
|
|
() => {
|
|
const file = {
|
|
name: _('/base_class.js'),
|
|
contents: `
|
|
class BaseClass {}
|
|
function foo() { return BaseClass; }
|
|
class TestClass extends foo() {}`,
|
|
};
|
|
loadTestFiles([file]);
|
|
const bundle = makeTestBundleProgram(file.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classNode =
|
|
getDeclaration(bundle.program, file.name, 'TestClass', isNamedClassDeclaration);
|
|
const baseExpression = host.getBaseClassExpression(classNode)!;
|
|
expect(baseExpression.getText()).toEqual('foo()');
|
|
});
|
|
});
|
|
|
|
describe('getGenericArityOfClass()', () => {
|
|
it('should properly count type parameters', () => {
|
|
loadTestFiles(ARITY_CLASSES);
|
|
const bundle = makeTestBundleProgram(ARITY_CLASSES[0].name);
|
|
const dts = makeTestBundleProgram(ARITY_CLASSES[1].name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle, dts));
|
|
const noTypeParamClass = getDeclaration(
|
|
bundle.program, _('/src/class.js'), 'NoTypeParam', isNamedClassDeclaration);
|
|
expect(host.getGenericArityOfClass(noTypeParamClass)).toBe(0);
|
|
const oneTypeParamClass = getDeclaration(
|
|
bundle.program, _('/src/class.js'), 'OneTypeParam', isNamedClassDeclaration);
|
|
expect(host.getGenericArityOfClass(oneTypeParamClass)).toBe(1);
|
|
const twoTypeParamsClass = getDeclaration(
|
|
bundle.program, _('/src/class.js'), 'TwoTypeParams', isNamedClassDeclaration);
|
|
expect(host.getGenericArityOfClass(twoTypeParamsClass)).toBe(2);
|
|
});
|
|
});
|
|
|
|
describe('getSwitchableDeclarations()', () => {
|
|
it('should return a collection of all the switchable variable declarations in the given module',
|
|
() => {
|
|
loadTestFiles([MARKER_FILE]);
|
|
const bundle = makeTestBundleProgram(MARKER_FILE.name);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const file = getSourceFileOrError(bundle.program, MARKER_FILE.name);
|
|
const declarations = host.getSwitchableDeclarations(file);
|
|
expect(declarations.map(d => [d.name.getText(), d.initializer!.getText()])).toEqual([
|
|
['compileNgModuleFactory', 'compileNgModuleFactory__PRE_R3__']
|
|
]);
|
|
});
|
|
});
|
|
|
|
describe('findClassSymbols()', () => {
|
|
it('should return an array of all classes in the given source file', () => {
|
|
loadTestFiles(DECORATED_FILES);
|
|
const bundle = makeTestBundleProgram(getRootFiles(DECORATED_FILES)[0]);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const primaryFile = getSourceFileOrError(bundle.program, DECORATED_FILES[0].name);
|
|
const secondaryFile = getSourceFileOrError(bundle.program, DECORATED_FILES[1].name);
|
|
|
|
const classSymbolsPrimary = host.findClassSymbols(primaryFile);
|
|
expect(classSymbolsPrimary.length).toEqual(3);
|
|
expect(classSymbolsPrimary.map(c => c.name)).toEqual(['A', 'B', 'C']);
|
|
|
|
const classSymbolsSecondary = host.findClassSymbols(secondaryFile);
|
|
expect(classSymbolsSecondary.length).toEqual(1);
|
|
expect(classSymbolsSecondary.map(c => c.name)).toEqual(['D']);
|
|
});
|
|
});
|
|
|
|
describe('getDecoratorsOfSymbol()', () => {
|
|
it('should return decorators of class symbol', () => {
|
|
loadTestFiles(DECORATED_FILES);
|
|
const bundle = makeTestBundleProgram(getRootFiles(DECORATED_FILES)[0]);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const primaryFile = getSourceFileOrError(bundle.program, DECORATED_FILES[0].name);
|
|
const secondaryFile = getSourceFileOrError(bundle.program, DECORATED_FILES[1].name);
|
|
|
|
const classSymbolsPrimary = host.findClassSymbols(primaryFile);
|
|
const classDecoratorsPrimary = classSymbolsPrimary.map(s => host.getDecoratorsOfSymbol(s));
|
|
expect(classDecoratorsPrimary.length).toEqual(3);
|
|
expect(classDecoratorsPrimary[0]!.map(d => d.name)).toEqual(['Directive']);
|
|
expect(classDecoratorsPrimary[1]!.map(d => d.name)).toEqual(['Directive']);
|
|
expect(classDecoratorsPrimary[2]).toBe(null);
|
|
|
|
const classSymbolsSecondary = host.findClassSymbols(secondaryFile);
|
|
const classDecoratorsSecondary =
|
|
classSymbolsSecondary.map(s => host.getDecoratorsOfSymbol(s));
|
|
expect(classDecoratorsSecondary.length).toEqual(1);
|
|
expect(classDecoratorsSecondary[0]!.map(d => d.name)).toEqual(['Directive']);
|
|
});
|
|
|
|
it('should return a cloned array on each invocation', () => {
|
|
loadTestFiles(DECORATED_FILES);
|
|
const bundle = makeTestBundleProgram(getRootFiles(DECORATED_FILES)[0]);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classDecl =
|
|
getDeclaration(bundle.program, DECORATED_FILES[0].name, 'A', ts.isClassDeclaration)!;
|
|
const classSymbol = host.getClassSymbol(classDecl)!;
|
|
|
|
const firstResult = host.getDecoratorsOfSymbol(classSymbol);
|
|
const secondResult = host.getDecoratorsOfSymbol(classSymbol);
|
|
|
|
expect(firstResult).not.toBe(secondResult);
|
|
});
|
|
});
|
|
|
|
describe('getDtsDeclaration()', () => {
|
|
it('should find the dts declaration that has the same relative path to the source file',
|
|
() => {
|
|
loadTestFiles(TYPINGS_SRC_FILES);
|
|
loadTestFiles(TYPINGS_DTS_FILES);
|
|
const bundle = makeTestBundleProgram(getRootFiles(TYPINGS_SRC_FILES)[0]);
|
|
const dts = makeTestBundleProgram(getRootFiles(TYPINGS_DTS_FILES)[0]);
|
|
const class1 = getDeclaration(
|
|
bundle.program, _('/ep/src/class1.js'), 'Class1', isNamedClassDeclaration);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle, dts));
|
|
|
|
const dtsDeclaration = host.getDtsDeclaration(class1);
|
|
expect(dtsDeclaration!.getSourceFile().fileName).toEqual(_('/ep/typings/class1.d.ts'));
|
|
});
|
|
|
|
it('should find the dts declaration for exported functions', () => {
|
|
loadTestFiles(TYPINGS_SRC_FILES);
|
|
loadTestFiles(TYPINGS_DTS_FILES);
|
|
const bundle = makeTestBundleProgram(_('/ep/src/func1.js'));
|
|
const dts = makeTestDtsBundleProgram(_('/ep/typings/func1.d.ts'), _('/'));
|
|
const mooFn = getDeclaration(
|
|
bundle.program, _('/ep/src/func1.js'), 'mooFn', isNamedFunctionDeclaration);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle, dts));
|
|
|
|
const dtsDeclaration = host.getDtsDeclaration(mooFn);
|
|
expect(dtsDeclaration!.getSourceFile().fileName).toEqual(_('/ep/typings/func1.d.ts'));
|
|
});
|
|
|
|
it('should return null if there is no matching class in the matching dts file', () => {
|
|
loadTestFiles(TYPINGS_SRC_FILES);
|
|
loadTestFiles(TYPINGS_DTS_FILES);
|
|
const bundle = makeTestBundleProgram(getRootFiles(TYPINGS_SRC_FILES)[0]);
|
|
const dts = makeTestBundleProgram(getRootFiles(TYPINGS_DTS_FILES)[0]);
|
|
const missingClass = getDeclaration(
|
|
bundle.program, _('/ep/src/missing-class.js'), 'MissingClass2',
|
|
isNamedClassDeclaration);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle, dts));
|
|
|
|
expect(host.getDtsDeclaration(missingClass)).toBe(null);
|
|
});
|
|
|
|
it('should return null if there is no matching dts file', () => {
|
|
loadTestFiles(TYPINGS_SRC_FILES);
|
|
loadTestFiles(TYPINGS_DTS_FILES);
|
|
const bundle = makeTestBundleProgram(getRootFiles(TYPINGS_SRC_FILES)[0]);
|
|
const dts = makeTestBundleProgram(getRootFiles(TYPINGS_DTS_FILES)[0]);
|
|
const missingClass = getDeclaration(
|
|
bundle.program, _('/ep/src/missing-class.js'), 'MissingClass2',
|
|
isNamedClassDeclaration);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle, dts));
|
|
|
|
expect(host.getDtsDeclaration(missingClass)).toBe(null);
|
|
});
|
|
|
|
it('should ignore dts files outside of the entrypoint', () => {
|
|
loadTestFiles(TYPINGS_SRC_FILES);
|
|
loadTestFiles(TYPINGS_DTS_FILES);
|
|
const bundle = makeTestBundleProgram(
|
|
getRootFiles(TYPINGS_SRC_FILES)[0], false, [_('/ep/src/shadow-class.js')]);
|
|
const dts = makeTestBundleProgram(
|
|
getRootFiles(TYPINGS_DTS_FILES)[0], false, [_('/ep/typings/shadow-class.d.ts')]);
|
|
const shadowClass = getDeclaration(
|
|
bundle.program, _('/ep/src/shadow-class.js'), 'ShadowClass', isNamedClassDeclaration);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle, dts));
|
|
|
|
const dtsDecl = host.getDtsDeclaration(shadowClass)!;
|
|
expect(dtsDecl).not.toBeNull();
|
|
expect(dtsDecl.getSourceFile().fileName).toEqual(_('/ep/typings/shadow-class.d.ts'));
|
|
});
|
|
|
|
it('should ignore source files outside of the entrypoint', () => {
|
|
const externalLibWithoutTypingsIndex = _('/an_external_lib_without_typings/index.js');
|
|
|
|
class TestEsm2015ReflectionHost extends Esm2015ReflectionHost {
|
|
getExportsOfModule(node: ts.Node) {
|
|
if (ts.isSourceFile(node) && (node.fileName === externalLibWithoutTypingsIndex)) {
|
|
throw new Error(
|
|
`'getExportsOfModule()' called on '${externalLibWithoutTypingsIndex}'.`);
|
|
}
|
|
return super.getExportsOfModule(node);
|
|
}
|
|
}
|
|
|
|
loadTestFiles(TYPINGS_SRC_FILES);
|
|
loadTestFiles(TYPINGS_DTS_FILES);
|
|
const bundle = makeTestBundleProgram(
|
|
getRootFiles(TYPINGS_SRC_FILES)[0], false, [externalLibWithoutTypingsIndex]);
|
|
const dts = makeTestBundleProgram(getRootFiles(TYPINGS_DTS_FILES)[0]);
|
|
const missingClass = getDeclaration(
|
|
bundle.program, _('/ep/src/missing-class.js'), 'MissingClass2',
|
|
isNamedClassDeclaration);
|
|
const host =
|
|
createHost(bundle, new TestEsm2015ReflectionHost(new MockLogger(), false, bundle, dts));
|
|
|
|
expect(host.getDtsDeclaration(missingClass)).toBeNull();
|
|
});
|
|
|
|
it('should find the dts file that contains a matching class declaration, even if the source files do not match',
|
|
() => {
|
|
loadTestFiles(TYPINGS_SRC_FILES);
|
|
loadTestFiles(TYPINGS_DTS_FILES);
|
|
const bundle = makeTestBundleProgram(_('/ep/src/flat-file.js'));
|
|
const dts = makeTestBundleProgram(getRootFiles(TYPINGS_DTS_FILES)[0]);
|
|
const class1 = getDeclaration(
|
|
bundle.program, _('/ep/src/flat-file.js'), 'Class1', isNamedClassDeclaration);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle, dts));
|
|
|
|
const dtsDeclaration = host.getDtsDeclaration(class1);
|
|
expect(dtsDeclaration!.getSourceFile().fileName).toEqual(_('/ep/typings/class1.d.ts'));
|
|
});
|
|
|
|
it('should find aliased exports', () => {
|
|
loadTestFiles(TYPINGS_SRC_FILES);
|
|
loadTestFiles(TYPINGS_DTS_FILES);
|
|
const bundle = makeTestBundleProgram(_('/ep/src/flat-file.js'));
|
|
const dts = makeTestBundleProgram(getRootFiles(TYPINGS_DTS_FILES)[0]);
|
|
const sourceClass = getDeclaration(
|
|
bundle.program, _('/ep/src/flat-file.js'), 'SourceClass', isNamedClassDeclaration);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle, dts));
|
|
|
|
const dtsDeclaration = host.getDtsDeclaration(sourceClass);
|
|
if (dtsDeclaration === null) {
|
|
return fail('Expected dts class to be found');
|
|
}
|
|
if (!isNamedClassDeclaration(dtsDeclaration)) {
|
|
return fail('Expected a named class to be found.');
|
|
}
|
|
expect(dtsDeclaration.name.text).toEqual('TypingsClass');
|
|
expect(_(dtsDeclaration.getSourceFile().fileName))
|
|
.toEqual(_('/ep/typings/typings-class.d.ts'));
|
|
});
|
|
|
|
it('should find the dts file that contains a matching class declaration, even if the class is not publicly exported',
|
|
() => {
|
|
loadTestFiles(TYPINGS_SRC_FILES);
|
|
loadTestFiles(TYPINGS_DTS_FILES);
|
|
const bundle = makeTestBundleProgram(getRootFiles(TYPINGS_SRC_FILES)[0]);
|
|
const dts = makeTestBundleProgram(getRootFiles(TYPINGS_DTS_FILES)[0]);
|
|
const internalClass = getDeclaration(
|
|
bundle.program, _('/ep/src/internal.js'), 'InternalClass', isNamedClassDeclaration);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle, dts));
|
|
|
|
const dtsDeclaration = host.getDtsDeclaration(internalClass);
|
|
expect(dtsDeclaration!.getSourceFile().fileName).toEqual(_('/ep/typings/internal.d.ts'));
|
|
});
|
|
|
|
it('should match publicly and internal exported classes correctly, even if they have the same name',
|
|
() => {
|
|
loadTestFiles(TYPINGS_SRC_FILES);
|
|
loadTestFiles(TYPINGS_DTS_FILES);
|
|
const bundle = makeTestBundleProgram(getRootFiles(TYPINGS_SRC_FILES)[0]);
|
|
const dts = makeTestBundleProgram(getRootFiles(TYPINGS_DTS_FILES)[0]);
|
|
const host =
|
|
createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle, dts));
|
|
|
|
const class2 = getDeclaration(
|
|
bundle.program, _('/ep/src/class2.js'), 'Class2', isNamedClassDeclaration);
|
|
const class2DtsDeclaration = host.getDtsDeclaration(class2);
|
|
expect(class2DtsDeclaration!.getSourceFile().fileName)
|
|
.toEqual(_('/ep/typings/class2.d.ts'));
|
|
|
|
const internalClass2 = getDeclaration(
|
|
bundle.program, _('/ep/src/internal.js'), 'Class2', isNamedClassDeclaration);
|
|
const internalClass2DtsDeclaration = host.getDtsDeclaration(internalClass2);
|
|
expect(internalClass2DtsDeclaration!.getSourceFile().fileName)
|
|
.toEqual(_('/ep/typings/internal.d.ts'));
|
|
});
|
|
});
|
|
|
|
describe('getInternalNameOfClass()', () => {
|
|
it('should return the name of the class (there is no separate inner class in ES2015)', () => {
|
|
loadTestFiles([SIMPLE_CLASS_FILE]);
|
|
const bundle = makeTestBundleProgram(SIMPLE_CLASS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const node = getDeclaration(
|
|
bundle.program, SIMPLE_CLASS_FILE.name, 'EmptyClass', isNamedClassDeclaration);
|
|
expect(host.getInternalNameOfClass(node).text).toEqual('EmptyClass');
|
|
});
|
|
});
|
|
|
|
describe('getAdjacentNameOfClass()', () => {
|
|
it('should return the name of the class (there is no separate inner class in ES2015)', () => {
|
|
loadTestFiles([SIMPLE_CLASS_FILE]);
|
|
const bundle = makeTestBundleProgram(SIMPLE_CLASS_FILE.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const node = getDeclaration(
|
|
bundle.program, SIMPLE_CLASS_FILE.name, 'EmptyClass', isNamedClassDeclaration);
|
|
expect(host.getAdjacentNameOfClass(node).text).toEqual('EmptyClass');
|
|
});
|
|
});
|
|
|
|
describe('getEndOfClass()', () => {
|
|
it('should return the last static property of the class', () => {
|
|
const testFile: TestFile = {
|
|
name: _('/node_modules/test-package/some/file.js'),
|
|
contents: `import {Directive, NgZone, Console} from '@angular/core';\n` +
|
|
`export class SomeDirective {\n` +
|
|
` constructor(zone, cons) {}\n` +
|
|
` method() {}\n` +
|
|
`}\n` +
|
|
`SomeDirective.decorators = [\n` +
|
|
` { type: Directive, args: [{ selector: '[a]' }] },\n` +
|
|
` { type: OtherA }\n` +
|
|
`];\n` +
|
|
`SomeDirective.ctorParameters = () => [\n` +
|
|
` { type: NgZone },\n` +
|
|
` { type: Console }\n` +
|
|
`];\n` +
|
|
`callSomeFunction();\n` +
|
|
`var value = 100;\n`
|
|
};
|
|
loadTestFiles([testFile]);
|
|
const bundle = makeTestBundleProgram(testFile.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classSymbol = host.findClassSymbols(bundle.program.getSourceFile(testFile.name)!)[0];
|
|
const endOfClass = host.getEndOfClass(classSymbol);
|
|
expect(endOfClass.getText())
|
|
.toEqual(
|
|
`SomeDirective.ctorParameters = () => [\n` +
|
|
` { type: NgZone },\n` +
|
|
` { type: Console }\n` +
|
|
`];`);
|
|
});
|
|
|
|
it('should return the class declaration if there are no extra statements', () => {
|
|
const testFile: TestFile = {
|
|
name: _('/node_modules/test-package/some/file.js'),
|
|
contents: `export class SomeDirective {\n` +
|
|
` constructor(zone, cons) {}\n` +
|
|
` method() {}\n` +
|
|
`}\n` +
|
|
`callSomeFunction();\n` +
|
|
`var value = 100;\n`
|
|
};
|
|
loadTestFiles([testFile]);
|
|
const bundle = makeTestBundleProgram(testFile.name);
|
|
const host = createHost(bundle, new Esm2015ReflectionHost(new MockLogger(), false, bundle));
|
|
const classSymbol = host.findClassSymbols(bundle.program.getSourceFile(testFile.name)!)[0];
|
|
const endOfClass = host.getEndOfClass(classSymbol);
|
|
expect(endOfClass.getText())
|
|
.toEqual(
|
|
`export class SomeDirective {\n` +
|
|
` constructor(zone, cons) {}\n` +
|
|
` method() {}\n` +
|
|
`}`);
|
|
});
|
|
});
|
|
});
|
|
});
|