1861 lines
72 KiB
TypeScript
1861 lines
72 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 {ClassMemberKind, Import, isNamedClassDeclaration, isNamedFunctionDeclaration, isNamedVariableDeclaration} from '../../../src/ngtsc/reflection';
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import {Esm2015ReflectionHost} from '../../src/host/esm2015_host';
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import {Esm5ReflectionHost, getIifeBody} from '../../src/host/esm5_host';
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import {getDeclaration, makeTestBundleProgram, makeTestProgram} from '../helpers/utils';
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import {expectTypeValueReferencesForParameters} from './util';
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const 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 } from '@angular/core';
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var INJECTED_TOKEN = new InjectionToken('injected');
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var ViewContainerRef = {};
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var TemplateRef = {};
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var SomeDirective = (function() {
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function SomeDirective(_viewContainer, _template, injected) {
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this.instanceProperty = 'instance';
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}
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SomeDirective.prototype = {
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instanceMethod: function() {},
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};
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SomeDirective.staticMethod = function() {};
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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 = function() { return [
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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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};
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return SomeDirective;
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}());
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`,
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};
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const 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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var SomeDirective = (function() {
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function SomeDirective() {
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}
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Object.defineProperty(SomeDirective.prototype, "setter", {
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set: function (value) { this.value = value; },
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(SomeDirective.prototype, "getter", {
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get: function () { return null; },
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(SomeDirective.prototype, "setterAndGetter", {
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get: function () { return null; },
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set: function (value) { this.value = value; },
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(SomeDirective, "staticSetter", {
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set: function (value) { this.value = value; },
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(SomeDirective.prototype, "none", {
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enumerable: true,
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configurable: true
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});
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Object.defineProperty(SomeDirective.prototype, "incomplete");
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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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"setter": [{ type: Input },],
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"getter": [{ type: Output },],
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"setterAndGetter": [{ type: Input },],
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};
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return SomeDirective;
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}());
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`,
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};
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const SIMPLE_ES2015_CLASS_FILE = {
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name: '/simple_es2015_class.d.ts',
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contents: `
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export class EmptyClass {}
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`,
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};
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const SIMPLE_CLASS_FILE = {
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name: '/simple_class.js',
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contents: `
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var EmptyClass = (function() {
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function EmptyClass() {
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}
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return EmptyClass;
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}());
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var NoDecoratorConstructorClass = (function() {
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function NoDecoratorConstructorClass(foo) {
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}
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return NoDecoratorConstructorClass;
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}());
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`,
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};
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const 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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const 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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var NotArrayLiteral = (function() {
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function 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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return NotArrayLiteral;
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}());
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var NotObjectLiteral = (function() {
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function 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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return NotObjectLiteral;
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}());
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var NoTypeProperty = (function() {
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function 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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return NoTypeProperty;
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}());
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var NotIdentifier = (function() {
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function 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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return NotIdentifier;
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}());
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`,
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};
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const 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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var NoArgsProperty = (function() {
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function 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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return NoArgsProperty;
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}());
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var args = [{ selector: '[ignored]' },];
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var NoPropertyAssignment = (function() {
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function 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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return NoPropertyAssignment;
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}());
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var NotArrayLiteral = (function() {
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function 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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return NotArrayLiteral;
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}());
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`,
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};
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const 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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var NotObjectLiteral = (function() {
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function 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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return NotObjectLiteral;
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}());
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var NotObjectLiteralProp = (function() {
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function 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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return NotObjectLiteralProp;
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}());
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var NoTypeProperty = (function() {
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function 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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return NoTypeProperty;
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}());
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var NotIdentifier = (function() {
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function 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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return NotIdentifier;
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}());
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`,
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};
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const 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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var NoArgsProperty = (function() {
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function 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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return NoArgsProperty;
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}());
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var args = [{ selector: '[ignored]' },];
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var NoPropertyAssignment = (function() {
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function 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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return NoPropertyAssignment;
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}());
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var NotArrayLiteral = (function() {
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function 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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return NotArrayLiteral;
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}());
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`,
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};
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const 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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var NoParametersDecorator = {};
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var NoParameters = (function() {
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function NoParameters() {}
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return NoParameters;
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}());
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var ArrowFunction = (function() {
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function ArrowFunction(arg1) {
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}
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ArrowFunction.ctorParameters = () => [
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{ type: 'ParamType', decorators: [{ type: Inject },] }
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];
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return ArrowFunction;
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}());
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var NotArrayLiteral = (function() {
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function NotArrayLiteral(arg1) {
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}
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NotArrayLiteral.ctorParameters = function() { return 'StringsAreNotArrayLiterals'; };
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return NotArrayLiteral;
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}());
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var NotObjectLiteral = (function() {
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function NotObjectLiteral(arg1, arg2) {
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}
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NotObjectLiteral.ctorParameters = function() { return [
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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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return NotObjectLiteral;
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}());
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var NoTypeProperty = (function() {
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function NoTypeProperty(arg1, arg2) {
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}
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NoTypeProperty.ctorParameters = function() { return [
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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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return NoTypeProperty;
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}());
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var NotIdentifier = (function() {
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function NotIdentifier(arg1, arg2) {
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}
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NotIdentifier.ctorParameters = function() { return [
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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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return NotIdentifier;
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}());
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`,
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};
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const 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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var NoArgsProperty = (function() {
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function NoArgsProperty(arg1) {
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}
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NoArgsProperty.ctorParameters = function() { return [
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{ type: 'ParamType', decorators: [{ type: Inject },] },
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]; };
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return NoArgsProperty;
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}());
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var args = [{ selector: '[ignored]' },];
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var NoPropertyAssignment = (function() {
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function NoPropertyAssignment(arg1) {
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}
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NoPropertyAssignment.ctorParameters = function() { return [
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{ type: 'ParamType', decorators: [{ type: Inject, args },] },
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]; };
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return NoPropertyAssignment;
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}());
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var NotArrayLiteral = (function() {
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function NotArrayLiteral(arg1) {
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}
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NotArrayLiteral.ctorParameters = function() { return [
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{ type: 'ParamType', decorators: [{ type: Inject, args: () => [{ selector: '[ignored]' },] },] },
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]; };
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return NotArrayLiteral;
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}());
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`,
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};
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const IMPORTS_FILES = [
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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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var b = a;
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var c = foo;
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var d = b;
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`,
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},
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];
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const EXPORTS_FILES = [
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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 var b = a;
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export var c = foo;
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export var d = b;
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export var e = 'e';
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export var DirectiveX = Directive;
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export var SomeClass = (function() {
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function SomeClass() {}
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return SomeClass;
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}());
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`,
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},
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];
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const 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) {
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if (y === void 0) { y = 42; }
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return x + y;
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}
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function complex() {
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var x = 42;
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return 42;
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}
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function baz(x) {
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var y;
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if (x === void 0) { y = 42; }
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return y;
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}
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var 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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var 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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var 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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const DECORATED_FILES = [
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{
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name: '/primary.js',
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contents: `
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import {Directive} from '@angular/core';
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import { D } from '/secondary';
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var A = (function() {
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function A() {}
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A.decorators = [
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{ type: Directive, args: [{ selector: '[a]' }] }
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];
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return A;
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}());
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var B = (function() {
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function B() {}
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B.decorators = [
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{ type: Directive, args: [{ selector: '[b]' }] }
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];
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return B;
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}());
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function x() {}
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function y() {}
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var C = (function() {
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function C() {}
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return C;
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});
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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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var D = (function() {
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function D() {}
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D.decorators = [
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{ type: Directive, args: [{ selector: '[d]' }] }
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];
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return 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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|
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const UNWANTED_PROTOTYPE_EXPORT_FILE = {
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|
name: '/library.d.ts',
|
|
contents: `
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export declare class SomeParam {
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someInstanceMethod(): void;
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static someStaticProp: any;
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}`
|
|
};
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|
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const TYPINGS_SRC_FILES = [
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|
{
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name: '/src/index.js',
|
|
contents:
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`import {InternalClass} from './internal'; export * from './class1'; export * from './class2';`
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},
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|
{
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name: '/src/class1.js',
|
|
contents: `
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|
var Class1 = (function() {
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|
function Class1() {}
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return Class1;
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}());
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|
var MissingClass1 = (function() {
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|
function MissingClass1() {}
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|
return MissingClass1;
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}());
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export {Class1, MissingClass1};
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`
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},
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|
{
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name: '/src/class2.js',
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contents: `
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var Class2 = (function() {
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function Class2() {}
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return Class2;
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}());
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export {Class2};
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`
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},
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|
{name: '/src/func1.js', contents: 'function mooFn() {} export {mooFn}'}, {
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name: '/src/internal.js',
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|
contents: `
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var InternalClass = (function() {
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|
function InternalClass() {}
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return InternalClass;
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}());
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var Class2 = (function() {
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function Class2() {}
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return Class2;
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}());
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export {InternalClass, Class2};
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`
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|
},
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|
{
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|
name: '/src/missing-class.js',
|
|
contents: `
|
|
var MissingClass2 = (function() {
|
|
function MissingClass2() {}
|
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return MissingClass2;
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|
}());
|
|
export {MissingClass2};
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|
`
|
|
},
|
|
{
|
|
name: '/src/flat-file.js',
|
|
contents: `
|
|
var Class1 = (function() {
|
|
function Class1() {}
|
|
return Class1;
|
|
}());
|
|
var MissingClass1 = (function() {
|
|
function MissingClass1() {}
|
|
return MissingClass1;
|
|
}());
|
|
var MissingClass2 = (function() {
|
|
function MissingClass2() {}
|
|
return MissingClass2;
|
|
}());
|
|
var Class3 = (function() {
|
|
function Class3() {}
|
|
return Class3;
|
|
}());
|
|
export {Class1, Class3 as xClass3, MissingClass1, MissingClass2};
|
|
`
|
|
}
|
|
];
|
|
|
|
const TYPINGS_DTS_FILES = [
|
|
{
|
|
name: '/typings/index.d.ts',
|
|
contents:
|
|
`import {InternalClass} from './internal'; export * from './class1'; export * from './class2';`
|
|
},
|
|
{
|
|
name: '/typings/class1.d.ts',
|
|
contents: `export declare class Class1 {}\nexport declare class OtherClass {}`
|
|
},
|
|
{
|
|
name: '/typings/class2.d.ts',
|
|
contents:
|
|
`export declare class Class2 {}\nexport declare interface SomeInterface {}\nexport {Class3 as xClass3} from './class3';`
|
|
},
|
|
{name: '/typings/func1.d.ts', contents: 'export declare function mooFn(): void;'},
|
|
{
|
|
name: '/typings/internal.d.ts',
|
|
contents: `export declare class InternalClass {}\nexport declare class Class2 {}`
|
|
},
|
|
{name: '/typings/class3.d.ts', contents: `export declare class Class3 {}`},
|
|
];
|
|
|
|
const MODULE_WITH_PROVIDERS_PROGRAM = [
|
|
{
|
|
name: '/src/functions.js',
|
|
contents: `
|
|
import {ExternalModule} from './module';
|
|
|
|
var SomeService = (function() {
|
|
function SomeService() {}
|
|
return SomeService;
|
|
}());
|
|
|
|
var InternalModule = (function() {
|
|
function InternalModule() {}
|
|
return InternalModule;
|
|
}());
|
|
export function aNumber() { return 42; }
|
|
export function aString() { return 'foo'; }
|
|
export function emptyObject() { return {}; }
|
|
export function ngModuleIdentifier() { return { ngModule: InternalModule }; }
|
|
export function ngModuleWithEmptyProviders() { return { ngModule: InternalModule, providers: [] }; }
|
|
export function ngModuleWithProviders() { return { ngModule: InternalModule, providers: [SomeService] }; }
|
|
export function onlyProviders() { return { providers: [SomeService] }; }
|
|
export function ngModuleNumber() { return { ngModule: 42 }; }
|
|
export function ngModuleString() { return { ngModule: 'foo' }; }
|
|
export function ngModuleObject() { return { ngModule: { foo: 42 } }; }
|
|
export function externalNgModule() { return { ngModule: ExternalModule }; }
|
|
export {SomeService, InternalModule};
|
|
`
|
|
},
|
|
{
|
|
name: '/src/methods.js',
|
|
contents: `
|
|
import {ExternalModule} from './module';
|
|
var SomeService = (function() {
|
|
function SomeService() {}
|
|
return SomeService;
|
|
}());
|
|
|
|
var InternalModule = (function() {
|
|
function InternalModule() {}
|
|
InternalModule.prototype = {
|
|
instanceNgModuleIdentifier: function() { return { ngModule: InternalModule }; },
|
|
instanceNgModuleWithEmptyProviders: function() { return { ngModule: InternalModule, providers: [] }; },
|
|
instanceNgModuleWithProviders: function() { return { ngModule: InternalModule, providers: [SomeService] }; },
|
|
instanceExternalNgModule: function() { return { ngModule: ExternalModule }; },
|
|
};
|
|
InternalModule.aNumber = function() { return 42; };
|
|
InternalModule.aString = function() { return 'foo'; };
|
|
InternalModule.emptyObject = function() { return {}; };
|
|
InternalModule.ngModuleIdentifier = function() { return { ngModule: InternalModule }; };
|
|
InternalModule.ngModuleWithEmptyProviders = function() { return { ngModule: InternalModule, providers: [] }; };
|
|
InternalModule.ngModuleWithProviders = function() { return { ngModule: InternalModule, providers: [SomeService] }; };
|
|
InternalModule.onlyProviders = function() { return { providers: [SomeService] }; };
|
|
InternalModule.ngModuleNumber = function() { return { ngModule: 42 }; };
|
|
InternalModule.ngModuleString = function() { return { ngModule: 'foo' }; };
|
|
InternalModule.ngModuleObject = function() { return { ngModule: { foo: 42 } }; };
|
|
InternalModule.externalNgModule = function() { return { ngModule: ExternalModule }; };
|
|
return InternalModule;
|
|
}());
|
|
export {SomeService, InternalModule};
|
|
`
|
|
},
|
|
{name: '/src/module', contents: 'export class ExternalModule {}'},
|
|
];
|
|
|
|
describe('Esm5ReflectionHost', () => {
|
|
|
|
describe('getDecoratorsOfDeclaration()', () => {
|
|
it('should find the decorators on a class', () => {
|
|
const program = makeTestProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', 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 return null if the symbol is not a class', () => {
|
|
const program = makeTestProgram(FOO_FUNCTION_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const functionNode =
|
|
getDeclaration(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', () => {
|
|
const program = makeTestProgram(SIMPLE_CLASS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode =
|
|
getDeclaration(program, SIMPLE_CLASS_FILE.name, 'EmptyClass', isNamedVariableDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode);
|
|
expect(decorators).toBe(null);
|
|
});
|
|
|
|
it('should ignore `decorators` if it is not an array literal', () => {
|
|
const program = makeTestProgram(INVALID_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_DECORATORS_FILE.name, 'NotArrayLiteral', isNamedVariableDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode);
|
|
expect(decorators).toEqual([]);
|
|
});
|
|
|
|
it('should ignore decorator elements that are not object literals', () => {
|
|
const program = makeTestProgram(INVALID_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_DECORATORS_FILE.name, 'NotObjectLiteral', isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(INVALID_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_DECORATORS_FILE.name, 'NoTypeProperty', isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(INVALID_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_DECORATORS_FILE.name, 'NotIdentifier', isNamedVariableDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode) !;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Directive'}));
|
|
});
|
|
|
|
it('should use `getImportOfIdentifier()` to retrieve import info', () => {
|
|
const mockImportInfo = { name: 'mock', from: '@angular/core' } as Import;
|
|
const spy = spyOn(Esm5ReflectionHost.prototype, 'getImportOfIdentifier')
|
|
.and.returnValue(mockImportInfo);
|
|
|
|
const program = makeTestProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedVariableDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode) !;
|
|
|
|
expect(decorators.length).toEqual(1);
|
|
expect(decorators[0].import).toBe(mockImportInfo);
|
|
|
|
const typeIdentifier = spy.calls.mostRecent().args[0] as ts.Identifier;
|
|
expect(typeIdentifier.text).toBe('Directive');
|
|
});
|
|
|
|
describe('(returned decorators `args`)', () => {
|
|
it('should be an empty array if decorator has no `args` property', () => {
|
|
const program = makeTestProgram(INVALID_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_DECORATOR_ARGS_FILE.name, 'NoArgsProperty',
|
|
isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(INVALID_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_DECORATOR_ARGS_FILE.name, 'NoPropertyAssignment',
|
|
isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(INVALID_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_DECORATOR_ARGS_FILE.name, 'NotArrayLiteral',
|
|
isNamedVariableDeclaration);
|
|
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 members on a class', () => {
|
|
const program = makeTestProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedVariableDeclaration);
|
|
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']);
|
|
|
|
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']);
|
|
});
|
|
|
|
it('should find Object.defineProperty members on a class', () => {
|
|
const program = makeTestProgram(ACCESSORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode =
|
|
getDeclaration(program, ACCESSORS_FILE.name, 'SomeDirective', isNamedVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
const setter = members.find(member => member.name === 'setter') !;
|
|
expect(setter.kind).toEqual(ClassMemberKind.Setter);
|
|
expect(setter.isStatic).toEqual(false);
|
|
expect(setter.value).toBeNull();
|
|
expect(setter.decorators !.map(d => d.name)).toEqual(['Input']);
|
|
expect(ts.isFunctionExpression(setter.implementation !)).toEqual(true);
|
|
expect((setter.implementation as ts.FunctionExpression).body.statements[0].getText())
|
|
.toEqual('this.value = value;');
|
|
|
|
const getter = members.find(member => member.name === 'getter') !;
|
|
expect(getter.kind).toEqual(ClassMemberKind.Getter);
|
|
expect(getter.isStatic).toEqual(false);
|
|
expect(getter.value).toBeNull();
|
|
expect(getter.decorators !.map(d => d.name)).toEqual(['Output']);
|
|
expect(ts.isFunctionExpression(getter.implementation !)).toEqual(true);
|
|
expect((getter.implementation as ts.FunctionExpression).body.statements[0].getText())
|
|
.toEqual('return null;');
|
|
|
|
const [combinedSetter, combinedGetter] =
|
|
members.filter(member => member.name === 'setterAndGetter');
|
|
expect(combinedSetter.kind).toEqual(ClassMemberKind.Setter);
|
|
expect(combinedSetter.isStatic).toEqual(false);
|
|
expect(combinedSetter.decorators !.map(d => d.name)).toEqual(['Input']);
|
|
expect(combinedGetter.kind).toEqual(ClassMemberKind.Getter);
|
|
expect(combinedGetter.isStatic).toEqual(false);
|
|
expect(combinedGetter.decorators !.map(d => d.name)).toEqual([]);
|
|
|
|
const staticSetter = members.find(member => member.name === 'staticSetter') !;
|
|
expect(staticSetter.kind).toEqual(ClassMemberKind.Setter);
|
|
expect(staticSetter.isStatic).toEqual(true);
|
|
expect(staticSetter.value).toBeNull();
|
|
expect(staticSetter.decorators !.map(d => d.name)).toEqual([]);
|
|
|
|
const none = members.find(member => member.name === 'none');
|
|
expect(none).toBeUndefined();
|
|
|
|
const incomplete = members.find(member => member.name === 'incomplete');
|
|
expect(incomplete).toBeUndefined();
|
|
});
|
|
|
|
it('should find non decorated properties on a class', () => {
|
|
const program = makeTestProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedVariableDeclaration);
|
|
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 find static methods on a class', () => {
|
|
const program = makeTestProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedVariableDeclaration);
|
|
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(staticMethod.value).toBeNull();
|
|
expect(ts.isFunctionExpression(staticMethod.implementation !)).toEqual(true);
|
|
});
|
|
|
|
it('should find static properties on a class', () => {
|
|
const program = makeTestProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedVariableDeclaration);
|
|
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 throw if the symbol is not a class', () => {
|
|
const program = makeTestProgram(FOO_FUNCTION_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const functionNode =
|
|
getDeclaration(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', () => {
|
|
const program = makeTestProgram(SIMPLE_CLASS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode =
|
|
getDeclaration(program, SIMPLE_CLASS_FILE.name, 'EmptyClass', isNamedVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
expect(members).toEqual([]);
|
|
});
|
|
|
|
it('should not process decorated properties in `propDecorators` if it is not an object literal',
|
|
() => {
|
|
const program = makeTestProgram(INVALID_PROP_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATORS_FILE.name, 'NotObjectLiteral',
|
|
isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(INVALID_PROP_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATORS_FILE.name, 'NotObjectLiteralProp',
|
|
isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(INVALID_PROP_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATORS_FILE.name, 'NoTypeProperty', isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(INVALID_PROP_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATORS_FILE.name, 'NotIdentifier', isNamedVariableDeclaration);
|
|
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 use `getImportOfIdentifier()` to retrieve import info', () => {
|
|
let callCount = 0;
|
|
const spy = spyOn(Esm5ReflectionHost.prototype, 'getImportOfIdentifier').and.callFake(() => {
|
|
callCount++;
|
|
return {name: `name${callCount}`, from: `@angular/core`};
|
|
});
|
|
|
|
const program = makeTestProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
expect(spy).toHaveBeenCalled();
|
|
spy.calls.allArgs().forEach(arg => expect(arg[0].getText()).toEqual('Input'));
|
|
|
|
const index = members.findIndex(member => member.name === 'input1');
|
|
expect(members[index].decorators !.length).toBe(1);
|
|
expect(members[index].decorators ![0].import).toEqual({name: 'name1', from: '@angular/core'});
|
|
});
|
|
|
|
describe('(returned prop decorators `args`)', () => {
|
|
it('should be an empty array if prop decorator has no `args` property', () => {
|
|
const program = makeTestProgram(INVALID_PROP_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATOR_ARGS_FILE.name, 'NoArgsProperty',
|
|
isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(INVALID_PROP_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATOR_ARGS_FILE.name, 'NoPropertyAssignment',
|
|
isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(INVALID_PROP_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATOR_ARGS_FILE.name, 'NotArrayLiteral',
|
|
isNamedVariableDeclaration);
|
|
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 ignore the prototype pseudo-static property on class imported from typings files',
|
|
() => {
|
|
const program = makeTestProgram(UNWANTED_PROTOTYPE_EXPORT_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, UNWANTED_PROTOTYPE_EXPORT_FILE.name, 'SomeParam', isNamedClassDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
expect(members.find(m => m.name === 'prototype')).toBeUndefined();
|
|
});
|
|
});
|
|
|
|
describe('getConstructorParameters()', () => {
|
|
it('should find the decorated constructor parameters', () => {
|
|
const program = makeTestProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
|
|
expect(parameters).toBeDefined();
|
|
expect(parameters !.map(parameter => parameter.name)).toEqual([
|
|
'_viewContainer', '_template', 'injected'
|
|
]);
|
|
expectTypeValueReferencesForParameters(parameters !, [
|
|
'ViewContainerRef',
|
|
'TemplateRef',
|
|
null,
|
|
]);
|
|
});
|
|
|
|
it('should throw if the symbol is not a class', () => {
|
|
const program = makeTestProgram(FOO_FUNCTION_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const functionNode =
|
|
getDeclaration(program, FOO_FUNCTION_FILE.name, 'foo', isNamedFunctionDeclaration);
|
|
expect(() => { host.getConstructorParameters(functionNode); })
|
|
.toThrowError(
|
|
'Attempted to get constructor parameters of a non-class: "function foo() {}"');
|
|
});
|
|
|
|
// In ES5 there is no such thing as a constructor-less class
|
|
// it('should return `null` if there is no constructor', () => { });
|
|
|
|
it('should return an array even if there are no decorators', () => {
|
|
const program = makeTestProgram(SIMPLE_CLASS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SIMPLE_CLASS_FILE.name, 'NoDecoratorConstructorClass',
|
|
isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(INVALID_CTOR_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NoParameters', isNamedVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
|
|
expect(parameters).toEqual([]);
|
|
});
|
|
|
|
// In ES5 there are no arrow functions
|
|
// it('should ignore `ctorParameters` if it is an arrow function', () => { });
|
|
|
|
it('should ignore `ctorParameters` if it does not return an array literal', () => {
|
|
const program = makeTestProgram(INVALID_CTOR_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NotArrayLiteral',
|
|
isNamedVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
|
|
expect(parameters !.length).toBe(1);
|
|
expect(parameters ![0]).toEqual(jasmine.objectContaining({
|
|
name: 'arg1',
|
|
decorators: null,
|
|
}));
|
|
});
|
|
|
|
describe('(returned parameters `decorators`)', () => {
|
|
it('should ignore param decorator elements that are not object literals', () => {
|
|
const program = makeTestProgram(INVALID_CTOR_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NotObjectLiteral',
|
|
isNamedVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
|
|
expect(parameters !.length).toBe(2);
|
|
expect(parameters ![0]).toEqual(jasmine.objectContaining({
|
|
name: 'arg1',
|
|
decorators: null,
|
|
}));
|
|
expect(parameters ![1]).toEqual(jasmine.objectContaining({
|
|
name: 'arg2',
|
|
decorators: jasmine.any(Array) as any
|
|
}));
|
|
});
|
|
|
|
it('should ignore param decorator elements that have no `type` property', () => {
|
|
const program = makeTestProgram(INVALID_CTOR_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NoTypeProperty',
|
|
isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(INVALID_CTOR_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NotIdentifier',
|
|
isNamedVariableDeclaration);
|
|
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 use `getImportOfIdentifier()` to retrieve import info', () => {
|
|
const mockImportInfo = { name: 'mock', from: '@angulare/core' } as Import;
|
|
const spy = spyOn(Esm5ReflectionHost.prototype, 'getImportOfIdentifier')
|
|
.and.returnValue(mockImportInfo);
|
|
|
|
const program = makeTestProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
const decorators = parameters ![2].decorators !;
|
|
|
|
expect(decorators.length).toEqual(1);
|
|
expect(decorators[0].import).toBe(mockImportInfo);
|
|
|
|
const typeIdentifier = spy.calls.mostRecent().args[0] as ts.Identifier;
|
|
expect(typeIdentifier.text).toBe('Inject');
|
|
});
|
|
});
|
|
|
|
describe('synthesized constructors', () => {
|
|
function getConstructorParameters(constructor: string) {
|
|
const file = {
|
|
name: '/synthesized_constructors.js',
|
|
contents: `
|
|
var TestClass = /** @class */ (function (_super) {
|
|
__extends(TestClass, _super);
|
|
${constructor}
|
|
return TestClass;
|
|
}(null));
|
|
`,
|
|
};
|
|
|
|
const program = makeTestProgram(file);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode =
|
|
getDeclaration(program, file.name, 'TestClass', isNamedVariableDeclaration);
|
|
return host.getConstructorParameters(classNode);
|
|
}
|
|
|
|
it('recognizes _this assignment from super call', () => {
|
|
const parameters = getConstructorParameters(`
|
|
function TestClass() {
|
|
var _this = _super !== null && _super.apply(this, arguments) || this;
|
|
_this.synthesizedProperty = null;
|
|
return _this;
|
|
}`);
|
|
|
|
expect(parameters).toBeNull();
|
|
});
|
|
|
|
it('recognizes super call as return statement', () => {
|
|
const parameters = getConstructorParameters(`
|
|
function TestClass() {
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
|
}`);
|
|
|
|
expect(parameters).toBeNull();
|
|
});
|
|
|
|
it('handles the case where a unique name was generated for _super or _this', () => {
|
|
const parameters = getConstructorParameters(`
|
|
function TestClass() {
|
|
var _this_1 = _super_1 !== null && _super_1.apply(this, arguments) || this;
|
|
_this_1._this = null;
|
|
_this_1._super = null;
|
|
return _this_1;
|
|
}`);
|
|
|
|
expect(parameters).toBeNull();
|
|
});
|
|
|
|
it('does not consider constructors with parameters as synthesized', () => {
|
|
const parameters = getConstructorParameters(`
|
|
function TestClass(arg) {
|
|
return _super !== null && _super.apply(this, arguments) || this;
|
|
}`);
|
|
|
|
expect(parameters !.length).toBe(1);
|
|
});
|
|
|
|
it('does not consider manual super calls as synthesized', () => {
|
|
const parameters = getConstructorParameters(`
|
|
function TestClass() {
|
|
return _super.call(this) || this;
|
|
}`);
|
|
|
|
expect(parameters !.length).toBe(0);
|
|
});
|
|
|
|
it('does not consider empty constructors as synthesized', () => {
|
|
const parameters = getConstructorParameters(`
|
|
function TestClass() {
|
|
}`);
|
|
|
|
expect(parameters !.length).toBe(0);
|
|
});
|
|
});
|
|
|
|
describe('(returned parameters `decorators.args`)', () => {
|
|
it('should be an empty array if param decorator has no `args` property', () => {
|
|
const program = makeTestProgram(INVALID_CTOR_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATOR_ARGS_FILE.name, 'NoArgsProperty',
|
|
isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(INVALID_CTOR_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATOR_ARGS_FILE.name, 'NoPropertyAssignment',
|
|
isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(INVALID_CTOR_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATOR_ARGS_FILE.name, 'NotArrayLiteral',
|
|
isNamedVariableDeclaration);
|
|
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', () => {
|
|
const program = makeTestProgram(FUNCTION_BODY_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
|
|
const fooNode =
|
|
getDeclaration(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(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(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(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);
|
|
});
|
|
});
|
|
|
|
describe('getImportOfIdentifier()', () => {
|
|
it('should find the import of an identifier', () => {
|
|
const program = makeTestProgram(...IMPORTS_FILES);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const variableNode =
|
|
getDeclaration(program, IMPORTS_FILES[1].name, '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', () => {
|
|
const program = makeTestProgram(...IMPORTS_FILES);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const variableNode =
|
|
getDeclaration(program, IMPORTS_FILES[1].name, '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', () => {
|
|
const program = makeTestProgram(...IMPORTS_FILES);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const variableNode =
|
|
getDeclaration(program, IMPORTS_FILES[1].name, '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', () => {
|
|
const program = makeTestProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedVariableDeclaration);
|
|
const ctrDecorators = host.getConstructorParameters(classNode) !;
|
|
const identifierOfViewContainerRef = (ctrDecorators[0].typeValueReference !as{
|
|
local: true,
|
|
expression: ts.Identifier,
|
|
defaultImportStatement: null,
|
|
}).expression;
|
|
|
|
const expectedDeclarationNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'ViewContainerRef', isNamedVariableDeclaration);
|
|
const actualDeclaration = host.getDeclarationOfIdentifier(identifierOfViewContainerRef);
|
|
expect(actualDeclaration).not.toBe(null);
|
|
expect(actualDeclaration !.node).toBe(expectedDeclarationNode);
|
|
expect(actualDeclaration !.viaModule).toBe(null);
|
|
});
|
|
|
|
it('should return the declaration of an externally defined identifier', () => {
|
|
const program = makeTestProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', isNamedVariableDeclaration);
|
|
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(
|
|
program, 'node_modules/@angular/core/index.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 correct declaration for an inner function identifier inside an ES5 IIFE',
|
|
() => {
|
|
const superGetDeclarationOfIdentifierSpy =
|
|
spyOn(Esm2015ReflectionHost.prototype, 'getDeclarationOfIdentifier').and.callThrough();
|
|
const program = makeTestProgram(SIMPLE_CLASS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
|
|
const outerDeclaration = getDeclaration(
|
|
program, SIMPLE_CLASS_FILE.name, 'EmptyClass', isNamedVariableDeclaration);
|
|
const innerDeclaration = (((outerDeclaration.initializer as ts.ParenthesizedExpression)
|
|
.expression as ts.CallExpression)
|
|
.expression as ts.FunctionExpression)
|
|
.body.statements[0] as ts.FunctionDeclaration;
|
|
|
|
const outerIdentifier = outerDeclaration.name as ts.Identifier;
|
|
const innerIdentifier = innerDeclaration.name as ts.Identifier;
|
|
|
|
expect(host.getDeclarationOfIdentifier(outerIdentifier) !.node).toBe(outerDeclaration);
|
|
expect(superGetDeclarationOfIdentifierSpy).toHaveBeenCalledWith(outerIdentifier);
|
|
expect(superGetDeclarationOfIdentifierSpy).toHaveBeenCalledTimes(1);
|
|
|
|
superGetDeclarationOfIdentifierSpy.calls.reset();
|
|
|
|
expect(host.getDeclarationOfIdentifier(innerIdentifier) !.node).toBe(outerDeclaration);
|
|
expect(superGetDeclarationOfIdentifierSpy).toHaveBeenCalledWith(outerIdentifier);
|
|
expect(superGetDeclarationOfIdentifierSpy).toHaveBeenCalledTimes(1);
|
|
});
|
|
});
|
|
|
|
describe('getExportsOfModule()', () => {
|
|
it('should return a map of all the exports from a given module', () => {
|
|
const program = makeTestProgram(...EXPORTS_FILES);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const file = program.getSourceFile(EXPORTS_FILES[1].name) !;
|
|
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([
|
|
// TODO: clarify what is expected here...
|
|
//[`Directive = callableClassDecorator()`, '@angular/core'],
|
|
[`Directive = callableClassDecorator()`, null],
|
|
[`a = 'a'`, null],
|
|
[`b = a`, null],
|
|
[`c = foo`, null],
|
|
[`d = b`, null],
|
|
[`e = 'e'`, null],
|
|
[`DirectiveX = Directive`, null],
|
|
[
|
|
`SomeClass = (function() {
|
|
function SomeClass() {}
|
|
return SomeClass;
|
|
}())`,
|
|
null
|
|
],
|
|
]);
|
|
});
|
|
});
|
|
|
|
describe('getClassSymbol()', () => {
|
|
it('should return the class symbol for an ES2015 class', () => {
|
|
const program = makeTestProgram(SIMPLE_ES2015_CLASS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const node = getDeclaration(
|
|
program, SIMPLE_ES2015_CLASS_FILE.name, 'EmptyClass', isNamedClassDeclaration);
|
|
const classSymbol = host.getClassSymbol(node);
|
|
|
|
expect(classSymbol).toBeDefined();
|
|
expect(classSymbol !.valueDeclaration).toBe(node);
|
|
});
|
|
|
|
it('should return the class symbol for an ES5 class (outer variable declaration)', () => {
|
|
const program = makeTestProgram(SIMPLE_CLASS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const node =
|
|
getDeclaration(program, SIMPLE_CLASS_FILE.name, 'EmptyClass', isNamedVariableDeclaration);
|
|
const classSymbol = host.getClassSymbol(node);
|
|
|
|
expect(classSymbol).toBeDefined();
|
|
expect(classSymbol !.valueDeclaration).toBe(node);
|
|
});
|
|
|
|
it('should return the class symbol for an ES5 class (inner function declaration)', () => {
|
|
const program = makeTestProgram(SIMPLE_CLASS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const outerNode =
|
|
getDeclaration(program, SIMPLE_CLASS_FILE.name, 'EmptyClass', isNamedVariableDeclaration);
|
|
const innerNode = getIifeBody(outerNode) !.statements.find(isNamedFunctionDeclaration) !;
|
|
const classSymbol = host.getClassSymbol(innerNode);
|
|
|
|
expect(classSymbol).toBeDefined();
|
|
expect(classSymbol !.valueDeclaration).toBe(outerNode);
|
|
});
|
|
|
|
it('should return the same class symbol (of the outer declaration) for outer and inner declarations',
|
|
() => {
|
|
const program = makeTestProgram(SIMPLE_CLASS_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const outerNode = getDeclaration(
|
|
program, SIMPLE_CLASS_FILE.name, 'EmptyClass', isNamedVariableDeclaration);
|
|
const innerNode = getIifeBody(outerNode) !.statements.find(isNamedFunctionDeclaration) !;
|
|
|
|
expect(host.getClassSymbol(innerNode)).toBe(host.getClassSymbol(outerNode));
|
|
});
|
|
|
|
it('should return undefined if node is not an ES5 class', () => {
|
|
const program = makeTestProgram(FOO_FUNCTION_FILE);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const node =
|
|
getDeclaration(program, FOO_FUNCTION_FILE.name, 'foo', isNamedFunctionDeclaration);
|
|
const classSymbol = host.getClassSymbol(node);
|
|
|
|
expect(classSymbol).toBeUndefined();
|
|
});
|
|
});
|
|
|
|
describe('isClass()', () => {
|
|
let host: Esm5ReflectionHost;
|
|
let mockNode: ts.Node;
|
|
let getClassDeclarationSpy: jasmine.Spy;
|
|
let superGetClassDeclarationSpy: jasmine.Spy;
|
|
|
|
beforeEach(() => {
|
|
host = new Esm5ReflectionHost(false, null as any);
|
|
mockNode = {} as any;
|
|
|
|
getClassDeclarationSpy = spyOn(Esm5ReflectionHost.prototype, 'getClassDeclaration');
|
|
superGetClassDeclarationSpy = spyOn(Esm2015ReflectionHost.prototype, 'getClassDeclaration');
|
|
});
|
|
|
|
it('should return true if superclass returns true', () => {
|
|
superGetClassDeclarationSpy.and.returnValue(true);
|
|
getClassDeclarationSpy.and.callThrough();
|
|
|
|
expect(host.isClass(mockNode)).toBe(true);
|
|
expect(getClassDeclarationSpy).toHaveBeenCalledWith(mockNode);
|
|
expect(superGetClassDeclarationSpy).toHaveBeenCalledWith(mockNode);
|
|
});
|
|
|
|
it('should return true if it can find a declaration for the class', () => {
|
|
getClassDeclarationSpy.and.returnValue(true);
|
|
|
|
expect(host.isClass(mockNode)).toBe(true);
|
|
expect(getClassDeclarationSpy).toHaveBeenCalledWith(mockNode);
|
|
});
|
|
|
|
it('should return false if it cannot find a declaration for the class', () => {
|
|
getClassDeclarationSpy.and.returnValue(false);
|
|
|
|
expect(host.isClass(mockNode)).toBe(false);
|
|
expect(getClassDeclarationSpy).toHaveBeenCalledWith(mockNode);
|
|
});
|
|
});
|
|
|
|
describe('hasBaseClass()', () => {
|
|
function hasBaseClass(source: string) {
|
|
const file = {
|
|
name: '/synthesized_constructors.js',
|
|
contents: source,
|
|
};
|
|
|
|
const program = makeTestProgram(file);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const classNode = getDeclaration(program, file.name, 'TestClass', isNamedVariableDeclaration);
|
|
return host.hasBaseClass(classNode);
|
|
}
|
|
|
|
it('should consider an IIFE with _super parameter as having a base class', () => {
|
|
const result = hasBaseClass(`
|
|
var TestClass = /** @class */ (function (_super) {
|
|
__extends(TestClass, _super);
|
|
function TestClass() {}
|
|
return TestClass;
|
|
}(null));`);
|
|
expect(result).toBe(true);
|
|
});
|
|
|
|
it('should consider an IIFE with a unique name generated for the _super parameter as having a base class',
|
|
() => {
|
|
const result = hasBaseClass(`
|
|
var TestClass = /** @class */ (function (_super_1) {
|
|
__extends(TestClass, _super_1);
|
|
function TestClass() {}
|
|
return TestClass;
|
|
}(null));`);
|
|
expect(result).toBe(true);
|
|
});
|
|
|
|
it('should not consider an IIFE without parameter as having a base class', () => {
|
|
const result = hasBaseClass(`
|
|
var TestClass = /** @class */ (function () {
|
|
__extends(TestClass, _super);
|
|
function TestClass() {}
|
|
return TestClass;
|
|
}(null));`);
|
|
expect(result).toBe(false);
|
|
});
|
|
});
|
|
|
|
describe('findDecoratedClasses()', () => {
|
|
it('should return an array of all decorated classes in the given source file', () => {
|
|
const program = makeTestProgram(...DECORATED_FILES);
|
|
const host = new Esm5ReflectionHost(false, program.getTypeChecker());
|
|
const primary = program.getSourceFile(DECORATED_FILES[0].name) !;
|
|
|
|
const primaryDecoratedClasses = host.findDecoratedClasses(primary);
|
|
expect(primaryDecoratedClasses.length).toEqual(2);
|
|
const classA = primaryDecoratedClasses.find(c => c.name === 'A') !;
|
|
expect(classA.decorators.map(decorator => decorator.name)).toEqual(['Directive']);
|
|
// Note that `B` is not exported from `primary.js`
|
|
const classB = primaryDecoratedClasses.find(c => c.name === 'B') !;
|
|
expect(classB.decorators.map(decorator => decorator.name)).toEqual(['Directive']);
|
|
|
|
const secondary = program.getSourceFile(DECORATED_FILES[1].name) !;
|
|
const secondaryDecoratedClasses = host.findDecoratedClasses(secondary);
|
|
expect(secondaryDecoratedClasses.length).toEqual(1);
|
|
// Note that `D` is exported from `secondary.js` but not exported from `primary.js`
|
|
const classD = secondaryDecoratedClasses.find(c => c.name === 'D') !;
|
|
expect(classD.name).toEqual('D');
|
|
expect(classD.decorators.map(decorator => decorator.name)).toEqual(['Directive']);
|
|
});
|
|
});
|
|
|
|
describe('getDtsDeclarationsOfClass()', () => {
|
|
it('should find the dts declaration that has the same relative path to the source file', () => {
|
|
const srcProgram = makeTestProgram(...TYPINGS_SRC_FILES);
|
|
const dts = makeTestBundleProgram(TYPINGS_DTS_FILES);
|
|
const class1 =
|
|
getDeclaration(srcProgram, '/src/class1.js', 'Class1', ts.isVariableDeclaration);
|
|
const host = new Esm2015ReflectionHost(false, srcProgram.getTypeChecker(), dts);
|
|
|
|
const dtsDeclaration = host.getDtsDeclaration(class1);
|
|
expect(dtsDeclaration !.getSourceFile().fileName).toEqual('/typings/class1.d.ts');
|
|
});
|
|
|
|
it('should find the dts declaration for exported functions', () => {
|
|
const srcProgram = makeTestProgram(...TYPINGS_SRC_FILES);
|
|
const dtsProgram = makeTestBundleProgram(TYPINGS_DTS_FILES);
|
|
const mooFn = getDeclaration(srcProgram, '/src/func1.js', 'mooFn', ts.isFunctionDeclaration);
|
|
const host = new Esm2015ReflectionHost(false, srcProgram.getTypeChecker(), dtsProgram);
|
|
|
|
const dtsDeclaration = host.getDtsDeclaration(mooFn);
|
|
expect(dtsDeclaration !.getSourceFile().fileName).toEqual('/typings/func1.d.ts');
|
|
});
|
|
|
|
it('should return null if there is no matching class in the matching dts file', () => {
|
|
const srcProgram = makeTestProgram(...TYPINGS_SRC_FILES);
|
|
const dts = makeTestBundleProgram(TYPINGS_DTS_FILES);
|
|
const missingClass =
|
|
getDeclaration(srcProgram, '/src/class1.js', 'MissingClass1', ts.isVariableDeclaration);
|
|
const host = new Esm2015ReflectionHost(false, srcProgram.getTypeChecker(), dts);
|
|
|
|
expect(host.getDtsDeclaration(missingClass)).toBe(null);
|
|
});
|
|
|
|
it('should return null if there is no matching dts file', () => {
|
|
const srcProgram = makeTestProgram(...TYPINGS_SRC_FILES);
|
|
const dts = makeTestBundleProgram(TYPINGS_DTS_FILES);
|
|
const missingClass = getDeclaration(
|
|
srcProgram, '/src/missing-class.js', 'MissingClass2', ts.isVariableDeclaration);
|
|
const host = new Esm2015ReflectionHost(false, srcProgram.getTypeChecker(), dts);
|
|
|
|
expect(host.getDtsDeclaration(missingClass)).toBe(null);
|
|
});
|
|
|
|
it('should find the dts file that contains a matching class declaration, even if the source files do not match',
|
|
() => {
|
|
const srcProgram = makeTestProgram(...TYPINGS_SRC_FILES);
|
|
const dts = makeTestBundleProgram(TYPINGS_DTS_FILES);
|
|
const class1 =
|
|
getDeclaration(srcProgram, '/src/flat-file.js', 'Class1', ts.isVariableDeclaration);
|
|
const host = new Esm2015ReflectionHost(false, srcProgram.getTypeChecker(), dts);
|
|
|
|
const dtsDeclaration = host.getDtsDeclaration(class1);
|
|
expect(dtsDeclaration !.getSourceFile().fileName).toEqual('/typings/class1.d.ts');
|
|
});
|
|
|
|
it('should find aliased exports', () => {
|
|
const srcProgram = makeTestProgram(...TYPINGS_SRC_FILES);
|
|
const dts = makeTestBundleProgram(TYPINGS_DTS_FILES);
|
|
const class3 =
|
|
getDeclaration(srcProgram, '/src/flat-file.js', 'Class3', ts.isVariableDeclaration);
|
|
const host = new Esm2015ReflectionHost(false, srcProgram.getTypeChecker(), dts);
|
|
|
|
const dtsDeclaration = host.getDtsDeclaration(class3);
|
|
expect(dtsDeclaration !.getSourceFile().fileName).toEqual('/typings/class3.d.ts');
|
|
});
|
|
|
|
it('should find the dts file that contains a matching class declaration, even if the class is not publicly exported',
|
|
() => {
|
|
const srcProgram = makeTestProgram(...TYPINGS_SRC_FILES);
|
|
const dts = makeTestBundleProgram(TYPINGS_DTS_FILES);
|
|
const internalClass = getDeclaration(
|
|
srcProgram, '/src/internal.js', 'InternalClass', ts.isVariableDeclaration);
|
|
const host = new Esm2015ReflectionHost(false, srcProgram.getTypeChecker(), dts);
|
|
|
|
const dtsDeclaration = host.getDtsDeclaration(internalClass);
|
|
expect(dtsDeclaration !.getSourceFile().fileName).toEqual('/typings/internal.d.ts');
|
|
});
|
|
|
|
it('should prefer the publicly exported class if there are multiple classes with the same name',
|
|
() => {
|
|
const srcProgram = makeTestProgram(...TYPINGS_SRC_FILES);
|
|
const dts = makeTestBundleProgram(TYPINGS_DTS_FILES);
|
|
const class2 =
|
|
getDeclaration(srcProgram, '/src/class2.js', 'Class2', ts.isVariableDeclaration);
|
|
const internalClass2 =
|
|
getDeclaration(srcProgram, '/src/internal.js', 'Class2', ts.isVariableDeclaration);
|
|
const host = new Esm2015ReflectionHost(false, srcProgram.getTypeChecker(), dts);
|
|
|
|
const class2DtsDeclaration = host.getDtsDeclaration(class2);
|
|
expect(class2DtsDeclaration !.getSourceFile().fileName).toEqual('/typings/class2.d.ts');
|
|
|
|
const internalClass2DtsDeclaration = host.getDtsDeclaration(internalClass2);
|
|
expect(internalClass2DtsDeclaration !.getSourceFile().fileName)
|
|
.toEqual('/typings/class2.d.ts');
|
|
});
|
|
});
|
|
|
|
describe('getModuleWithProvidersFunctions', () => {
|
|
it('should find every exported function that returns an object that looks like a ModuleWithProviders object',
|
|
() => {
|
|
const srcProgram = makeTestProgram(...MODULE_WITH_PROVIDERS_PROGRAM);
|
|
const host = new Esm5ReflectionHost(false, srcProgram.getTypeChecker());
|
|
const file = srcProgram.getSourceFile('/src/functions.js') !;
|
|
const fns = host.getModuleWithProvidersFunctions(file);
|
|
expect(fns.map(info => [info.declaration.name !.getText(), info.ngModule.text])).toEqual([
|
|
['ngModuleIdentifier', 'InternalModule'],
|
|
['ngModuleWithEmptyProviders', 'InternalModule'],
|
|
['ngModuleWithProviders', 'InternalModule'],
|
|
['externalNgModule', 'ExternalModule'],
|
|
]);
|
|
});
|
|
|
|
it('should find every static method on exported classes that return an object that looks like a ModuleWithProviders object',
|
|
() => {
|
|
const srcProgram = makeTestProgram(...MODULE_WITH_PROVIDERS_PROGRAM);
|
|
const host = new Esm5ReflectionHost(false, srcProgram.getTypeChecker());
|
|
const file = srcProgram.getSourceFile('/src/methods.js') !;
|
|
const fn = host.getModuleWithProvidersFunctions(file);
|
|
expect(fn.map(fn => [fn.declaration.getText(), fn.ngModule.text])).toEqual([
|
|
[
|
|
'function() { return { ngModule: InternalModule }; }',
|
|
'InternalModule',
|
|
],
|
|
[
|
|
'function() { return { ngModule: InternalModule, providers: [] }; }',
|
|
'InternalModule',
|
|
],
|
|
[
|
|
'function() { return { ngModule: InternalModule, providers: [SomeService] }; }',
|
|
'InternalModule',
|
|
],
|
|
[
|
|
'function() { return { ngModule: ExternalModule }; }',
|
|
'ExternalModule',
|
|
],
|
|
]);
|
|
});
|
|
});
|
|
});
|