1020 lines
39 KiB
TypeScript
1020 lines
39 KiB
TypeScript
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/**
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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} from '../../../ngtsc/host';
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import {Esm2015ReflectionHost} from '../../src/host/esm2015_host';
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import {getDeclaration, makeProgram} from '../helpers/utils';
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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, HostListener, HostBinding } from '@angular/core';
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const INJECTED_TOKEN = new InjectionToken('injected');
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const ViewContainerRef = {};
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const TemplateRef = {};
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class SomeDirective {
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constructor(_viewContainer, _template, injected) {
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this.instanceProperty = 'instance';
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}
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instanceMethod() {}
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onClick() {}
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@HostBinding('class.foo')
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get isClassFoo() { return false; }
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static staticMethod() {}
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}
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SomeDirective.staticProperty = 'static';
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SomeDirective.decorators = [
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{ type: Directive, args: [{ selector: '[someDirective]' },] }
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];
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SomeDirective.ctorParameters = () => [
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{ type: ViewContainerRef, },
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{ type: TemplateRef, },
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{ type: undefined, decorators: [{ type: Inject, args: [INJECTED_TOKEN,] },] },
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];
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SomeDirective.propDecorators = {
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"input1": [{ type: Input },],
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"input2": [{ type: Input },],
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"target": [{ type: HostBinding, args: ['attr.target',] }, { type: Input },],
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"onClick": [{ type: HostListener, args: ['click',] },],
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};
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`,
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};
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const SIMPLE_CLASS_FILE = {
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name: '/simple_class.js',
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contents: `
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class EmptyClass {}
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class NoDecoratorConstructorClass {
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constructor(foo) {}
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}
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`,
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};
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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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const NotArrayLiteralDecorator = {};
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class NotArrayLiteral {
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}
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NotArrayLiteral.decorators = () => [
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{ type: NotArrayLiteralDecorator, args: [{ selector: '[ignored]' },] },
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];
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const NotObjectLiteralDecorator = {};
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class NotObjectLiteral {
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}
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NotObjectLiteral.decorators = [
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"This is not an object literal",
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{ type: NotObjectLiteralDecorator },
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];
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const NoTypePropertyDecorator1 = {};
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const NoTypePropertyDecorator2 = {};
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class NoTypeProperty {
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}
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NoTypeProperty.decorators = [
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{ notType: NoTypePropertyDecorator1 },
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{ type: NoTypePropertyDecorator2 },
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];
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const NotIdentifierDecorator = {};
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class NotIdentifier {
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}
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NotIdentifier.decorators = [
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{ type: 'StringsLiteralsAreNotIdentifiers' },
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{ type: NotIdentifierDecorator },
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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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const NoArgsPropertyDecorator = {};
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class NoArgsProperty {
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}
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NoArgsProperty.decorators = [
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{ type: NoArgsPropertyDecorator },
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];
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const NoPropertyAssignmentDecorator = {};
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const args = [{ selector: '[ignored]' },];
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class NoPropertyAssignment {
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}
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NoPropertyAssignment.decorators = [
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{ type: NoPropertyAssignmentDecorator, args },
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];
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const NotArrayLiteralDecorator = {};
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class NotArrayLiteral {
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}
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NotArrayLiteral.decorators = [
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{ type: NotArrayLiteralDecorator, args: () => [{ selector: '[ignored]' },] },
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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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const NotObjectLiteralDecorator = {};
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class NotObjectLiteral {
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}
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NotObjectLiteral.propDecorators = () => ({
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"prop": [{ type: NotObjectLiteralDecorator },]
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});
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const NotObjectLiteralPropDecorator = {};
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class NotObjectLiteralProp {
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}
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NotObjectLiteralProp.propDecorators = {
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"prop": [
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"This is not an object literal",
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{ type: NotObjectLiteralPropDecorator },
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]
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};
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const NoTypePropertyDecorator1 = {};
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const NoTypePropertyDecorator2 = {};
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class NoTypeProperty {
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}
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NoTypeProperty.propDecorators = {
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"prop": [
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{ notType: NoTypePropertyDecorator1 },
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{ type: NoTypePropertyDecorator2 },
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]
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};
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const NotIdentifierDecorator = {};
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class NotIdentifier {
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}
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NotIdentifier.propDecorators = {
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"prop": [
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{ type: 'StringsLiteralsAreNotIdentifiers' },
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{ type: NotIdentifierDecorator },
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]
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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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const NoArgsPropertyDecorator = {};
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class NoArgsProperty {
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}
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NoArgsProperty.propDecorators = {
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"prop": [{ type: NoArgsPropertyDecorator },]
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};
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const NoPropertyAssignmentDecorator = {};
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const args = [{ selector: '[ignored]' },];
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class NoPropertyAssignment {
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}
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NoPropertyAssignment.propDecorators = {
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"prop": [{ type: NoPropertyAssignmentDecorator, args },]
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};
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const NotArrayLiteralDecorator = {};
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class NotArrayLiteral {
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}
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NotArrayLiteral.propDecorators = {
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"prop": [{ type: NotArrayLiteralDecorator, args: () => [{ selector: '[ignored]' },] },],
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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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const NoParametersDecorator = {};
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class NoParameters {
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constructor() {
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}
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}
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const NotArrowFunctionDecorator = {};
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class NotArrowFunction {
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constructor(arg1) {
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}
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}
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NotArrowFunction.ctorParameters = function() {
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return { type: 'ParamType', decorators: [{ type: NotArrowFunctionDecorator },] };
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};
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const NotArrayLiteralDecorator = {};
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class NotArrayLiteral {
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constructor(arg1) {
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}
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}
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NotArrayLiteral.ctorParameters = () => 'StringsAreNotArrayLiterals';
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const NotObjectLiteralDecorator = {};
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class NotObjectLiteral {
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constructor(arg1, arg2) {
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}
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}
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NotObjectLiteral.ctorParameters = () => [
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"This is not an object literal",
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{ type: 'ParamType', decorators: [{ type: NotObjectLiteralDecorator },] },
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];
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const NoTypePropertyDecorator1 = {};
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const NoTypePropertyDecorator2 = {};
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class NoTypeProperty {
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constructor(arg1, arg2) {
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}
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}
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NoTypeProperty.ctorParameters = () => [
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{
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type: 'ParamType',
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decorators: [
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{ notType: NoTypePropertyDecorator1 },
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{ type: NoTypePropertyDecorator2 },
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]
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},
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];
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const NotIdentifierDecorator = {};
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class NotIdentifier {
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constructor(arg1, arg2) {
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}
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}
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NotIdentifier.ctorParameters = () => [
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{
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type: 'ParamType',
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decorators: [
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{ type: 'StringsLiteralsAreNotIdentifiers' },
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{ type: NotIdentifierDecorator },
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]
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},
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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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const NoArgsPropertyDecorator = {};
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class NoArgsProperty {
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constructor(arg1) {
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}
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}
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NoArgsProperty.ctorParameters = () => [
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{ type: 'ParamType', decorators: [{ type: NoArgsPropertyDecorator },] },
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];
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const NoPropertyAssignmentDecorator = {};
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const args = [{ selector: '[ignored]' },];
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class NoPropertyAssignment {
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constructor(arg1) {
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}
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}
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NoPropertyAssignment.ctorParameters = () => [
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{ type: 'ParamType', decorators: [{ type: NoPropertyAssignmentDecorator, args },] },
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];
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const NotArrayLiteralDecorator = {};
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class NotArrayLiteral {
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constructor(arg1) {
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}
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}
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NotArrayLiteral.ctorParameters = () => [
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{ type: 'ParamType', decorators: [{ type: NotArrayLiteralDecorator, args: () => [{ selector: '[ignored]' },] },] },
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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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const b = a;
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const c = foo;
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const d = b;
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`,
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},
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];
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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 const b = a;
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export const c = foo;
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export const d = b;
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export const e = 'e';
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export const DirectiveX = Directive;
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export class SomeClass {}
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`,
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},
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];
|
||
|
|
|
||
|
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describe('Esm2015ReflectionHost', () => {
|
||
|
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|
||
|
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describe('getDecoratorsOfDeclaration()', () => {
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it('should find the decorators on a class', () => {
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const program = makeProgram(SOME_DIRECTIVE_FILE);
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const host = new Esm2015ReflectionHost(program.getTypeChecker());
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const classNode =
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getDeclaration(program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isClassDeclaration);
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const decorators = host.getDecoratorsOfDeclaration(classNode) !;
|
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expect(decorators).toBeDefined();
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expect(decorators.length).toEqual(1);
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|
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const decorator = decorators[0];
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expect(decorator.name).toEqual('Directive');
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expect(decorator.import).toEqual({name: 'Directive', from: '@angular/core'});
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expect(decorator.args !.map(arg => arg.getText())).toEqual([
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'{ selector: \'[someDirective]\' }',
|
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]);
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||
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});
|
||
|
|
|
||
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it('should return null if the symbol is not a class', () => {
|
||
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const program = makeProgram(FOO_FUNCTION_FILE);
|
||
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const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
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const functionNode =
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getDeclaration(program, FOO_FUNCTION_FILE.name, 'foo', ts.isFunctionDeclaration);
|
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const decorators = host.getDecoratorsOfDeclaration(functionNode);
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expect(decorators).toBe(null);
|
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});
|
||
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|
||
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it('should return null if there are no decorators', () => {
|
||
|
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const program = makeProgram(SIMPLE_CLASS_FILE);
|
||
|
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const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
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const classNode =
|
||
|
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getDeclaration(program, SIMPLE_CLASS_FILE.name, 'EmptyClass', ts.isClassDeclaration);
|
||
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const decorators = host.getDecoratorsOfDeclaration(classNode);
|
||
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expect(decorators).toBe(null);
|
||
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});
|
||
|
|
|
||
|
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it('should ignore `decorators` if it is not an array literal', () => {
|
||
|
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const program = makeProgram(INVALID_DECORATORS_FILE);
|
||
|
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const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
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const classNode = getDeclaration(
|
||
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program, INVALID_DECORATORS_FILE.name, 'NotArrayLiteral', ts.isClassDeclaration);
|
||
|
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const decorators = host.getDecoratorsOfDeclaration(classNode);
|
||
|
|
expect(decorators).toEqual([]);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should ignore decorator elements that are not object literals', () => {
|
||
|
|
const program = makeProgram(INVALID_DECORATORS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_DECORATORS_FILE.name, 'NotObjectLiteral', ts.isClassDeclaration);
|
||
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode) !;
|
||
|
|
|
||
|
|
expect(decorators.length).toBe(1);
|
||
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'NotObjectLiteralDecorator'}));
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should ignore decorator elements that have no `type` property', () => {
|
||
|
|
const program = makeProgram(INVALID_DECORATORS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_DECORATORS_FILE.name, 'NoTypeProperty', ts.isClassDeclaration);
|
||
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode) !;
|
||
|
|
|
||
|
|
expect(decorators.length).toBe(1);
|
||
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'NoTypePropertyDecorator2'}));
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should ignore decorator elements whose `type` value is not an identifier', () => {
|
||
|
|
const program = makeProgram(INVALID_DECORATORS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_DECORATORS_FILE.name, 'NotIdentifier', ts.isClassDeclaration);
|
||
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode) !;
|
||
|
|
|
||
|
|
expect(decorators.length).toBe(1);
|
||
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'NotIdentifierDecorator'}));
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should use `getImportOfIdentifier()` to retrieve import info', () => {
|
||
|
|
const mockImportInfo = {} as Import;
|
||
|
|
const spy = spyOn(Esm2015ReflectionHost.prototype, 'getImportOfIdentifier')
|
||
|
|
.and.returnValue(mockImportInfo);
|
||
|
|
|
||
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode =
|
||
|
|
getDeclaration(program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isClassDeclaration);
|
||
|
|
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 = makeProgram(INVALID_DECORATOR_ARGS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_DECORATOR_ARGS_FILE.name, 'NoArgsProperty', ts.isClassDeclaration);
|
||
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode) !;
|
||
|
|
|
||
|
|
expect(decorators.length).toBe(1);
|
||
|
|
expect(decorators[0].name).toBe('NoArgsPropertyDecorator');
|
||
|
|
expect(decorators[0].args).toEqual([]);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should be an empty array if decorator\'s `args` has no property assignment', () => {
|
||
|
|
const program = makeProgram(INVALID_DECORATOR_ARGS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_DECORATOR_ARGS_FILE.name, 'NoPropertyAssignment',
|
||
|
|
ts.isClassDeclaration);
|
||
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode) !;
|
||
|
|
|
||
|
|
expect(decorators.length).toBe(1);
|
||
|
|
expect(decorators[0].name).toBe('NoPropertyAssignmentDecorator');
|
||
|
|
expect(decorators[0].args).toEqual([]);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should be an empty array if `args` property value is not an array literal', () => {
|
||
|
|
const program = makeProgram(INVALID_DECORATOR_ARGS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_DECORATOR_ARGS_FILE.name, 'NotArrayLiteral', ts.isClassDeclaration);
|
||
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode) !;
|
||
|
|
|
||
|
|
expect(decorators.length).toBe(1);
|
||
|
|
expect(decorators[0].name).toBe('NotArrayLiteralDecorator');
|
||
|
|
expect(decorators[0].args).toEqual([]);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
describe('getMembersOfClass()', () => {
|
||
|
|
it('should find decorated properties on a class', () => {
|
||
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode =
|
||
|
|
getDeclaration(program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isClassDeclaration);
|
||
|
|
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(input1.decorators !.map(d => d.name)).toEqual(['Input']);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should find non decorated properties on a class', () => {
|
||
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode =
|
||
|
|
getDeclaration(program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isClassDeclaration);
|
||
|
|
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 = makeProgram(SOME_DIRECTIVE_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode =
|
||
|
|
getDeclaration(program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isClassDeclaration);
|
||
|
|
const members = host.getMembersOfClass(classNode);
|
||
|
|
|
||
|
|
const staticMethod = members.find(member => member.name === 'staticMethod') !;
|
||
|
|
expect(staticMethod.kind).toEqual(ClassMemberKind.Method);
|
||
|
|
expect(staticMethod.isStatic).toEqual(true);
|
||
|
|
expect(ts.isMethodDeclaration(staticMethod.implementation !)).toEqual(true);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should find static properties on a class', () => {
|
||
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode =
|
||
|
|
getDeclaration(program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isClassDeclaration);
|
||
|
|
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 = makeProgram(FOO_FUNCTION_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const functionNode =
|
||
|
|
getDeclaration(program, FOO_FUNCTION_FILE.name, 'foo', ts.isFunctionDeclaration);
|
||
|
|
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 = makeProgram(SIMPLE_CLASS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode =
|
||
|
|
getDeclaration(program, SIMPLE_CLASS_FILE.name, 'EmptyClass', ts.isClassDeclaration);
|
||
|
|
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 = makeProgram(INVALID_PROP_DECORATORS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_PROP_DECORATORS_FILE.name, 'NotObjectLiteral', ts.isClassDeclaration);
|
||
|
|
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 = makeProgram(INVALID_PROP_DECORATORS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_PROP_DECORATORS_FILE.name, 'NotObjectLiteralProp',
|
||
|
|
ts.isClassDeclaration);
|
||
|
|
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: 'NotObjectLiteralPropDecorator'
|
||
|
|
}));
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should ignore prop decorator elements that have no `type` property', () => {
|
||
|
|
const program = makeProgram(INVALID_PROP_DECORATORS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_PROP_DECORATORS_FILE.name, 'NoTypeProperty', ts.isClassDeclaration);
|
||
|
|
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: 'NoTypePropertyDecorator2'}));
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should ignore prop decorator elements whose `type` value is not an identifier', () => {
|
||
|
|
const program = makeProgram(INVALID_PROP_DECORATORS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_PROP_DECORATORS_FILE.name, 'NotIdentifier', ts.isClassDeclaration);
|
||
|
|
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: 'NotIdentifierDecorator'}));
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should use `getImportOfIdentifier()` to retrieve import info', () => {
|
||
|
|
let callCount = 0;
|
||
|
|
const spy =
|
||
|
|
spyOn(Esm2015ReflectionHost.prototype, 'getImportOfIdentifier').and.callFake(() => {
|
||
|
|
callCount++;
|
||
|
|
return {name: `name${callCount}`, from: `from${callCount}`};
|
||
|
|
});
|
||
|
|
|
||
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode =
|
||
|
|
getDeclaration(program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isClassDeclaration);
|
||
|
|
const members = host.getMembersOfClass(classNode);
|
||
|
|
|
||
|
|
expect(spy).toHaveBeenCalled();
|
||
|
|
expect(spy.calls.allArgs().map(arg => arg[0].getText())).toEqual([
|
||
|
|
'Input',
|
||
|
|
'Input',
|
||
|
|
'HostBinding',
|
||
|
|
'Input',
|
||
|
|
'HostListener',
|
||
|
|
]);
|
||
|
|
|
||
|
|
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: 'from1'});
|
||
|
|
});
|
||
|
|
|
||
|
|
describe('(returned prop decorators `args`)', () => {
|
||
|
|
it('should be an empty array if prop decorator has no `args` property', () => {
|
||
|
|
const program = makeProgram(INVALID_PROP_DECORATOR_ARGS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_PROP_DECORATOR_ARGS_FILE.name, 'NoArgsProperty',
|
||
|
|
ts.isClassDeclaration);
|
||
|
|
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('NoArgsPropertyDecorator');
|
||
|
|
expect(decorators[0].args).toEqual([]);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should be an empty array if prop decorator\'s `args` has no property assignment', () => {
|
||
|
|
const program = makeProgram(INVALID_PROP_DECORATOR_ARGS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_PROP_DECORATOR_ARGS_FILE.name, 'NoPropertyAssignment',
|
||
|
|
ts.isClassDeclaration);
|
||
|
|
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('NoPropertyAssignmentDecorator');
|
||
|
|
expect(decorators[0].args).toEqual([]);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should be an empty array if `args` property value is not an array literal', () => {
|
||
|
|
const program = makeProgram(INVALID_PROP_DECORATOR_ARGS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_PROP_DECORATOR_ARGS_FILE.name, 'NotArrayLiteral',
|
||
|
|
ts.isClassDeclaration);
|
||
|
|
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('NotArrayLiteralDecorator');
|
||
|
|
expect(decorators[0].args).toEqual([]);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
describe('getConstructorParameters', () => {
|
||
|
|
it('should find the decorated constructor parameters', () => {
|
||
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode =
|
||
|
|
getDeclaration(program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isClassDeclaration);
|
||
|
|
const parameters = host.getConstructorParameters(classNode);
|
||
|
|
|
||
|
|
expect(parameters).toBeDefined();
|
||
|
|
expect(parameters !.map(parameter => parameter.name)).toEqual([
|
||
|
|
'_viewContainer', '_template', 'injected'
|
||
|
|
]);
|
||
|
|
expect(parameters !.map(parameter => parameter.type !.getText())).toEqual([
|
||
|
|
'ViewContainerRef', 'TemplateRef', 'undefined'
|
||
|
|
]);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should throw if the symbol is not a class', () => {
|
||
|
|
const program = makeProgram(FOO_FUNCTION_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const functionNode =
|
||
|
|
getDeclaration(program, FOO_FUNCTION_FILE.name, 'foo', ts.isFunctionDeclaration);
|
||
|
|
expect(() => { host.getConstructorParameters(functionNode); })
|
||
|
|
.toThrowError(
|
||
|
|
'Attempted to get constructor parameters of a non-class: "function foo() {}"');
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should return `null` if there is no constructor', () => {
|
||
|
|
const program = makeProgram(SIMPLE_CLASS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode =
|
||
|
|
getDeclaration(program, SIMPLE_CLASS_FILE.name, 'EmptyClass', ts.isClassDeclaration);
|
||
|
|
const parameters = host.getConstructorParameters(classNode);
|
||
|
|
expect(parameters).toBe(null);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should return an array even if there are no decorators', () => {
|
||
|
|
const program = makeProgram(SIMPLE_CLASS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, SIMPLE_CLASS_FILE.name, 'NoDecoratorConstructorClass', ts.isClassDeclaration);
|
||
|
|
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 = makeProgram(INVALID_CTOR_DECORATORS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NoParameters', ts.isClassDeclaration);
|
||
|
|
const parameters = host.getConstructorParameters(classNode);
|
||
|
|
|
||
|
|
expect(parameters).toEqual([]);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should ignore `ctorParameters` if it is not an arrow function', () => {
|
||
|
|
const program = makeProgram(INVALID_CTOR_DECORATORS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NotArrowFunction', ts.isClassDeclaration);
|
||
|
|
const parameters = host.getConstructorParameters(classNode);
|
||
|
|
|
||
|
|
expect(parameters !.length).toBe(1);
|
||
|
|
expect(parameters ![0]).toEqual(jasmine.objectContaining({
|
||
|
|
name: 'arg1',
|
||
|
|
decorators: null,
|
||
|
|
}));
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should ignore `ctorParameters` if it does not return an array literal', () => {
|
||
|
|
const program = makeProgram(INVALID_CTOR_DECORATORS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NotArrayLiteral', ts.isClassDeclaration);
|
||
|
|
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 = makeProgram(INVALID_CTOR_DECORATORS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NotObjectLiteral', ts.isClassDeclaration);
|
||
|
|
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 = makeProgram(INVALID_CTOR_DECORATORS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NoTypeProperty', ts.isClassDeclaration);
|
||
|
|
const parameters = host.getConstructorParameters(classNode);
|
||
|
|
const decorators = parameters ![0].decorators !;
|
||
|
|
|
||
|
|
expect(decorators.length).toBe(1);
|
||
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'NoTypePropertyDecorator2'}));
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should ignore param decorator elements whose `type` value is not an identifier', () => {
|
||
|
|
const program = makeProgram(INVALID_CTOR_DECORATORS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NotIdentifier', ts.isClassDeclaration);
|
||
|
|
const parameters = host.getConstructorParameters(classNode);
|
||
|
|
const decorators = parameters ![0].decorators !;
|
||
|
|
|
||
|
|
expect(decorators.length).toBe(1);
|
||
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'NotIdentifierDecorator'}));
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should use `getImportOfIdentifier()` to retrieve import info', () => {
|
||
|
|
const mockImportInfo = {} as Import;
|
||
|
|
const spy = spyOn(Esm2015ReflectionHost.prototype, 'getImportOfIdentifier')
|
||
|
|
.and.returnValue(mockImportInfo);
|
||
|
|
|
||
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isClassDeclaration);
|
||
|
|
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('(returned parameters `decorators.args`)', () => {
|
||
|
|
it('should be an empty array if param decorator has no `args` property', () => {
|
||
|
|
const program = makeProgram(INVALID_CTOR_DECORATOR_ARGS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_CTOR_DECORATOR_ARGS_FILE.name, 'NoArgsProperty',
|
||
|
|
ts.isClassDeclaration);
|
||
|
|
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('NoArgsPropertyDecorator');
|
||
|
|
expect(decorators[0].args).toEqual([]);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should be an empty array if param decorator\'s `args` has no property assignment', () => {
|
||
|
|
const program = makeProgram(INVALID_CTOR_DECORATOR_ARGS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_CTOR_DECORATOR_ARGS_FILE.name, 'NoPropertyAssignment',
|
||
|
|
ts.isClassDeclaration);
|
||
|
|
const parameters = host.getConstructorParameters(classNode);
|
||
|
|
const decorators = parameters ![0].decorators !;
|
||
|
|
|
||
|
|
expect(decorators.length).toBe(1);
|
||
|
|
expect(decorators[0].name).toBe('NoPropertyAssignmentDecorator');
|
||
|
|
expect(decorators[0].args).toEqual([]);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should be an empty array if `args` property value is not an array literal', () => {
|
||
|
|
const program = makeProgram(INVALID_CTOR_DECORATOR_ARGS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode = getDeclaration(
|
||
|
|
program, INVALID_CTOR_DECORATOR_ARGS_FILE.name, 'NotArrayLiteral',
|
||
|
|
ts.isClassDeclaration);
|
||
|
|
const parameters = host.getConstructorParameters(classNode);
|
||
|
|
const decorators = parameters ![0].decorators !;
|
||
|
|
|
||
|
|
expect(decorators.length).toBe(1);
|
||
|
|
expect(decorators[0].name).toBe('NotArrayLiteralDecorator');
|
||
|
|
expect(decorators[0].args).toEqual([]);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
describe('getImportOfIdentifier', () => {
|
||
|
|
it('should find the import of an identifier', () => {
|
||
|
|
const program = makeProgram(...IMPORTS_FILES);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const variableNode =
|
||
|
|
getDeclaration(program, IMPORTS_FILES[1].name, 'b', ts.isVariableDeclaration);
|
||
|
|
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 = makeProgram(...IMPORTS_FILES);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const variableNode =
|
||
|
|
getDeclaration(program, IMPORTS_FILES[1].name, 'c', ts.isVariableDeclaration);
|
||
|
|
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 = makeProgram(...IMPORTS_FILES);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const variableNode =
|
||
|
|
getDeclaration(program, IMPORTS_FILES[1].name, 'd', ts.isVariableDeclaration);
|
||
|
|
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 = makeProgram(SOME_DIRECTIVE_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode =
|
||
|
|
getDeclaration(program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isClassDeclaration);
|
||
|
|
const ctrDecorators = host.getConstructorParameters(classNode) !;
|
||
|
|
const identifierOfViewContainerRef = ctrDecorators[0].type !as ts.Identifier;
|
||
|
|
|
||
|
|
const expectedDeclarationNode = getDeclaration(
|
||
|
|
program, SOME_DIRECTIVE_FILE.name, 'ViewContainerRef', ts.isVariableDeclaration);
|
||
|
|
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 = makeProgram(SOME_DIRECTIVE_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const classNode =
|
||
|
|
getDeclaration(program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isClassDeclaration);
|
||
|
|
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', ts.isVariableDeclaration);
|
||
|
|
const actualDeclaration = host.getDeclarationOfIdentifier(identifierOfDirective);
|
||
|
|
expect(actualDeclaration).not.toBe(null);
|
||
|
|
expect(actualDeclaration !.node).toBe(expectedDeclarationNode);
|
||
|
|
expect(actualDeclaration !.viaModule).toBe('@angular/core');
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
describe('getExportsOfModule()', () => {
|
||
|
|
it('should return a map of all the exports from a given module', () => {
|
||
|
|
const program = makeProgram(...EXPORTS_FILES);
|
||
|
|
const host = new Esm2015ReflectionHost(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],
|
||
|
|
['export class SomeClass {}', null],
|
||
|
|
]);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
describe('isClass()', () => {
|
||
|
|
it('should return true if a given node is a TS class declaration', () => {
|
||
|
|
const program = makeProgram(SIMPLE_CLASS_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const node =
|
||
|
|
getDeclaration(program, SIMPLE_CLASS_FILE.name, 'EmptyClass', ts.isClassDeclaration);
|
||
|
|
expect(host.isClass(node)).toBe(true);
|
||
|
|
});
|
||
|
|
|
||
|
|
it('should return false if a given node is a TS function declaration', () => {
|
||
|
|
const program = makeProgram(FOO_FUNCTION_FILE);
|
||
|
|
const host = new Esm2015ReflectionHost(program.getTypeChecker());
|
||
|
|
const node = getDeclaration(program, FOO_FUNCTION_FILE.name, 'foo', ts.isFunctionDeclaration);
|
||
|
|
expect(host.isClass(node)).toBe(false);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
});
|