773 lines
23 KiB
TypeScript
773 lines
23 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 {NgtscTestEnvironment} from './env';
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describe('ngtsc behavioral tests', () => {
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if (!NgtscTestEnvironment.supported) {
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// These tests should be excluded from the non-Bazel build.
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return;
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}
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let env !: NgtscTestEnvironment;
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beforeEach(() => { env = NgtscTestEnvironment.setup(); });
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it('should compile Injectables without errors', () => {
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env.tsconfig();
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env.write('test.ts', `
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import {Injectable} from '@angular/core';
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@Injectable()
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export class Dep {}
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@Injectable()
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export class Service {
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constructor(dep: Dep) {}
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}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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expect(jsContents).toContain('Dep.ngInjectableDef =');
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expect(jsContents).toContain('Service.ngInjectableDef =');
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expect(jsContents).not.toContain('__decorate');
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const dtsContents = env.getContents('test.d.ts');
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expect(dtsContents).toContain('static ngInjectableDef: i0.ɵInjectableDef<Dep>;');
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expect(dtsContents).toContain('static ngInjectableDef: i0.ɵInjectableDef<Service>;');
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});
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it('should compile Components without errors', () => {
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env.tsconfig();
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env.write('test.ts', `
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import {Component} from '@angular/core';
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@Component({
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selector: 'test-cmp',
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template: 'this is a test',
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})
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export class TestCmp {}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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expect(jsContents).toContain('TestCmp.ngComponentDef = i0.ɵdefineComponent');
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expect(jsContents).not.toContain('__decorate');
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const dtsContents = env.getContents('test.d.ts');
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expect(dtsContents)
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.toContain(
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'static ngComponentDef: i0.ɵComponentDefWithMeta<TestCmp, \'test-cmp\', never, {}, {}, never>');
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});
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it('should compile Components without errors', () => {
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env.tsconfig();
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env.write('test.ts', `
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import {Component} from '@angular/core';
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@Component({
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selector: 'test-cmp',
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templateUrl: './dir/test.html',
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})
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export class TestCmp {}
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`);
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env.write('dir/test.html', '<p>Hello World</p>');
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env.driveMain();
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const jsContents = env.getContents('test.js');
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expect(jsContents).toContain('Hello World');
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});
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it('should compile NgModules without errors', () => {
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env.tsconfig();
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env.write('test.ts', `
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import {Component, NgModule} from '@angular/core';
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@Component({
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selector: 'test-cmp',
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template: 'this is a test',
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})
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export class TestCmp {}
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@NgModule({
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declarations: [TestCmp],
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bootstrap: [TestCmp],
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})
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export class TestModule {}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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expect(jsContents)
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.toContain(
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'i0.ɵdefineNgModule({ type: TestModule, bootstrap: [TestCmp], ' +
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'declarations: [TestCmp], imports: [], exports: [] })');
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const dtsContents = env.getContents('test.d.ts');
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expect(dtsContents)
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.toContain(
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'static ngComponentDef: i0.ɵComponentDefWithMeta<TestCmp, \'test-cmp\', never, {}, {}, never>');
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expect(dtsContents)
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.toContain(
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'static ngModuleDef: i0.ɵNgModuleDefWithMeta<TestModule, [typeof TestCmp], never, never>');
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expect(dtsContents).not.toContain('__decorate');
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});
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it('should compile NgModules with services without errors', () => {
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env.tsconfig();
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env.write('test.ts', `
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import {Component, NgModule} from '@angular/core';
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export class Token {}
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@NgModule({})
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export class OtherModule {}
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@Component({
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selector: 'test-cmp',
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template: 'this is a test',
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})
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export class TestCmp {}
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@NgModule({
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declarations: [TestCmp],
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providers: [{provide: Token, useValue: 'test'}],
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imports: [OtherModule],
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})
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export class TestModule {}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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expect(jsContents).toContain('i0.ɵdefineNgModule({ type: TestModule,');
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expect(jsContents)
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.toContain(
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`TestModule.ngInjectorDef = i0.defineInjector({ factory: ` +
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`function TestModule_Factory(t) { return new (t || TestModule)(); }, providers: [{ provide: ` +
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`Token, useValue: 'test' }], imports: [[OtherModule]] });`);
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const dtsContents = env.getContents('test.d.ts');
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expect(dtsContents)
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.toContain(
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'static ngModuleDef: i0.ɵNgModuleDefWithMeta<TestModule, [typeof TestCmp], [typeof OtherModule], never>');
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expect(dtsContents).toContain('static ngInjectorDef: i0.ɵInjectorDef');
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});
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it('should compile NgModules with references to local components', () => {
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env.tsconfig();
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env.write('test.ts', `
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import {NgModule} from '@angular/core';
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import {Foo} from './foo';
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@NgModule({
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declarations: [Foo],
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})
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export class FooModule {}
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`);
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env.write('foo.ts', `
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import {Component} from '@angular/core';
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@Component({selector: 'foo', template: ''})
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export class Foo {}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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const dtsContents = env.getContents('test.d.ts');
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expect(jsContents).toContain('import { Foo } from \'./foo\';');
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expect(jsContents).not.toMatch(/as i[0-9] from '.\/foo'/);
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expect(dtsContents).toContain('as i1 from \'./foo\';');
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});
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it('should compile NgModules with references to absolute components', () => {
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env.tsconfig();
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env.write('test.ts', `
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import {NgModule} from '@angular/core';
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import {Foo} from 'foo';
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@NgModule({
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declarations: [Foo],
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})
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export class FooModule {}
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`);
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env.write('node_modules/foo/index.d.ts', `
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import * as i0 from '@angular/core';
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export class Foo {
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static ngComponentDef: i0.ɵComponentDef<Foo, 'foo'>;
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}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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const dtsContents = env.getContents('test.d.ts');
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expect(jsContents).toContain('import { Foo } from \'foo\';');
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expect(jsContents).not.toMatch(/as i[0-9] from 'foo'/);
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expect(dtsContents).toContain('as i1 from \'foo\';');
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});
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it('should compile Pipes without errors', () => {
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env.tsconfig();
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env.write('test.ts', `
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import {Pipe} from '@angular/core';
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@Pipe({
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name: 'test-pipe',
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pure: false,
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})
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export class TestPipe {}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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const dtsContents = env.getContents('test.d.ts');
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expect(jsContents)
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.toContain(
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'TestPipe.ngPipeDef = i0.ɵdefinePipe({ name: "test-pipe", type: TestPipe, ' +
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'factory: function TestPipe_Factory(t) { return new (t || TestPipe)(); }, pure: false })');
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expect(dtsContents)
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.toContain('static ngPipeDef: i0.ɵPipeDefWithMeta<TestPipe, \'test-pipe\'>;');
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});
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it('should compile pure Pipes without errors', () => {
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env.tsconfig();
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env.write('test.ts', `
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import {Pipe} from '@angular/core';
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@Pipe({
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name: 'test-pipe',
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})
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export class TestPipe {}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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const dtsContents = env.getContents('test.d.ts');
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expect(jsContents)
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.toContain(
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'TestPipe.ngPipeDef = i0.ɵdefinePipe({ name: "test-pipe", type: TestPipe, ' +
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'factory: function TestPipe_Factory(t) { return new (t || TestPipe)(); }, pure: true })');
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expect(dtsContents)
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.toContain('static ngPipeDef: i0.ɵPipeDefWithMeta<TestPipe, \'test-pipe\'>;');
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});
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it('should compile Pipes with dependencies', () => {
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env.tsconfig();
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env.write('test.ts', `
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import {Pipe} from '@angular/core';
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export class Dep {}
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@Pipe({
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name: 'test-pipe',
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pure: false,
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})
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export class TestPipe {
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constructor(dep: Dep) {}
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}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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expect(jsContents).toContain('return new (t || TestPipe)(i0.ɵdirectiveInject(Dep));');
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});
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it('should include @Pipes in @NgModule scopes', () => {
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env.tsconfig();
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env.write('test.ts', `
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import {Component, NgModule, Pipe} from '@angular/core';
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@Pipe({name: 'test'})
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export class TestPipe {}
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@Component({selector: 'test-cmp', template: '{{value | test}}'})
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export class TestCmp {}
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@NgModule({declarations: [TestPipe, TestCmp]})
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export class TestModule {}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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expect(jsContents).toContain('pipes: [TestPipe]');
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const dtsContents = env.getContents('test.d.ts');
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expect(dtsContents)
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.toContain(
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'i0.ɵNgModuleDefWithMeta<TestModule, [typeof TestPipe, typeof TestCmp], never, never>');
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});
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it('should unwrap a ModuleWithProviders function if a generic type is provided for it', () => {
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env.tsconfig();
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env.write(`test.ts`, `
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import {NgModule} from '@angular/core';
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import {RouterModule} from 'router';
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@NgModule({imports: [RouterModule.forRoot()]})
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export class TestModule {}
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`);
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env.write('node_modules/router/index.d.ts', `
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import {ModuleWithProviders} from '@angular/core';
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declare class RouterModule {
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static forRoot(): ModuleWithProviders<RouterModule>;
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}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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expect(jsContents).toContain('imports: [[RouterModule.forRoot()]]');
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const dtsContents = env.getContents('test.d.ts');
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expect(dtsContents).toContain(`import * as i1 from 'router';`);
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expect(dtsContents)
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.toContain('i0.ɵNgModuleDefWithMeta<TestModule, never, [typeof i1.RouterModule], never>');
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});
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it('should inject special types according to the metadata', () => {
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env.tsconfig();
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env.write(`test.ts`, `
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import {
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Attribute,
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ChangeDetectorRef,
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Component,
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ElementRef,
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Injector,
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Renderer2,
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TemplateRef,
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ViewContainerRef,
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} from '@angular/core';
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@Component({
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selector: 'test',
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template: 'Test',
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})
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class FooCmp {
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constructor(
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@Attribute("test") attr: string,
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cdr: ChangeDetectorRef,
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er: ElementRef,
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i: Injector,
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r2: Renderer2,
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tr: TemplateRef,
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vcr: ViewContainerRef,
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) {}
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}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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expect(jsContents)
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.toContain(
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`factory: function FooCmp_Factory(t) { return new (t || FooCmp)(i0.ɵinjectAttribute("test"), i0.ɵdirectiveInject(ChangeDetectorRef), i0.ɵdirectiveInject(ElementRef), i0.ɵdirectiveInject(Injector), i0.ɵdirectiveInject(Renderer2), i0.ɵdirectiveInject(TemplateRef), i0.ɵdirectiveInject(ViewContainerRef)); }`);
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});
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it('should generate queries for components', () => {
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// Helper functions to construct RegExps for output validation
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const varRegExp = (name: string): RegExp => new RegExp(`var \\w+ = \\[\"${name}\"\\];`);
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const queryRegExp = (id: number | null, descend: boolean, ref?: string): RegExp => {
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const maybeRef = ref ? `, ${ref}` : ``;
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return new RegExp(`i0\\.ɵquery\\(${id}, \\w+, ${descend}${maybeRef}\\)`);
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};
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env.tsconfig();
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env.write(`test.ts`, `
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import {Component, ContentChild, ContentChildren, TemplateRef, ViewChild} from '@angular/core';
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@Component({
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selector: 'test',
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template: '<div #foo></div>',
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queries: {
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'mview': new ViewChild('test1'),
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'mcontent': new ContentChild('test2'),
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}
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})
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class FooCmp {
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@ContentChild('bar', {read: TemplateRef}) child: any;
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@ContentChildren(TemplateRef) children: any;
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get aview(): any { return null; }
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@ViewChild('accessor') set aview(value: any) {}
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}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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expect(jsContents).toMatch(varRegExp('bar'));
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expect(jsContents).toMatch(varRegExp('test1'));
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expect(jsContents).toMatch(varRegExp('test2'));
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expect(jsContents).toMatch(varRegExp('accessor'));
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expect(jsContents).toContain(`i0.ɵquery(null, TemplateRef, false)`);
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expect(jsContents)
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.toMatch(queryRegExp(
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null, true, 'TemplateRef')); // match `i0.ɵquery(null, _c0, true, TemplateRef)`
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expect(jsContents).toMatch(queryRegExp(null, true)); // match `i0.ɵquery(null, _c0, true)`
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expect(jsContents).toMatch(queryRegExp(0, true)); // match `i0.ɵquery(0, _c0, true)`
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expect(jsContents).toMatch(queryRegExp(1, true)); // match `i0.ɵquery(1, _c0, true)`
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});
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it('should handle queries that use forwardRef', () => {
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env.tsconfig();
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env.write(`test.ts`, `
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import {Component, ContentChild, TemplateRef, ViewContainerRef, forwardRef} from '@angular/core';
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@Component({
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selector: 'test',
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template: '<div #foo></div>',
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})
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class FooCmp {
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@ContentChild(forwardRef(() => TemplateRef)) child: any;
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@ContentChild(forwardRef(function() { return ViewContainerRef; })) child2: any;
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}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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expect(jsContents).toContain(`i0.ɵquery(null, TemplateRef, true)`);
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expect(jsContents).toContain(`i0.ɵquery(null, ViewContainerRef, true)`);
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});
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it('should generate host bindings for directives', () => {
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env.tsconfig();
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env.write(`test.ts`, `
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import {Component, HostBinding, HostListener, TemplateRef} from '@angular/core';
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@Component({
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selector: 'test',
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template: 'Test',
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host: {
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'[attr.hello]': 'foo',
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'(click)': 'onClick($event)',
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'[prop]': 'bar',
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},
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})
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class FooCmp {
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onClick(event: any): void {}
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@HostBinding('class.someclass')
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get someClass(): boolean { return false; }
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@HostListener('change', ['arg1', 'arg2', 'arg3'])
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onChange(event: any, arg: any): void {}
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}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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expect(jsContents)
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.toContain(`i0.ɵelementProperty(elIndex, "attr.hello", i0.ɵbind(i0.ɵload(dirIndex).foo));`);
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expect(jsContents)
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.toContain(`i0.ɵelementProperty(elIndex, "prop", i0.ɵbind(i0.ɵload(dirIndex).bar));`);
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expect(jsContents)
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.toContain(
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'i0.ɵelementProperty(elIndex, "class.someclass", i0.ɵbind(i0.ɵload(dirIndex).someClass))');
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const factoryDef = `
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factory: function FooCmp_Factory(t) {
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var f = new (t || FooCmp)();
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i0.ɵlistener("click", function FooCmp_click_HostBindingHandler($event) {
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return f.onClick($event);
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});
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i0.ɵlistener("change", function FooCmp_change_HostBindingHandler($event) {
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return f.onChange(f.arg1, f.arg2, f.arg3);
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});
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return f;
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}
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`;
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expect(jsContents).toContain(factoryDef.replace(/\s+/g, ' ').trim());
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});
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it('should generate host listeners for directives with base factories', () => {
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env.tsconfig();
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env.write(`test.ts`, `
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import {Directive, HostListener} from '@angular/core';
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class Base {}
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@Directive({
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selector: '[test]',
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})
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class Dir extends Base {
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@HostListener('change', ['arg'])
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onChange(event: any, arg: any): void {}
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}
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`);
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|
env.driveMain();
|
|
const jsContents = env.getContents('test.js');
|
|
const factoryDef = `
|
|
factory: function Dir_Factory(t) {
|
|
var f = ɵDir_BaseFactory((t || Dir));
|
|
i0.ɵlistener("change", function Dir_change_HostBindingHandler($event) {
|
|
return f.onChange(f.arg);
|
|
});
|
|
return f;
|
|
}
|
|
`;
|
|
expect(jsContents).toContain(factoryDef.replace(/\s+/g, ' ').trim());
|
|
expect(jsContents).toContain('var ɵDir_BaseFactory = i0.ɵgetInheritedFactory(Dir)');
|
|
});
|
|
|
|
it('should correctly recognize local symbols', () => {
|
|
env.tsconfig();
|
|
env.write('module.ts', `
|
|
import {NgModule} from '@angular/core';
|
|
import {Dir, Comp} from './test';
|
|
|
|
@NgModule({
|
|
declarations: [Dir, Comp],
|
|
exports: [Dir, Comp],
|
|
})
|
|
class Module {}
|
|
`);
|
|
env.write(`test.ts`, `
|
|
import {Component, Directive} from '@angular/core';
|
|
|
|
@Directive({
|
|
selector: '[dir]',
|
|
})
|
|
export class Dir {}
|
|
|
|
@Component({
|
|
selector: 'test',
|
|
template: '<div dir>Test</div>',
|
|
})
|
|
export class Comp {}
|
|
`);
|
|
|
|
env.driveMain();
|
|
const jsContents = env.getContents('test.js');
|
|
expect(jsContents).not.toMatch(/import \* as i[0-9] from ['"].\/test['"]/);
|
|
});
|
|
|
|
it('should generate exportAs declarations', () => {
|
|
env.tsconfig();
|
|
env.write('test.ts', `
|
|
import {Component, Directive} from '@angular/core';
|
|
|
|
@Directive({
|
|
selector: '[test]',
|
|
exportAs: 'foo',
|
|
})
|
|
class Dir {}
|
|
`);
|
|
|
|
env.driveMain();
|
|
|
|
const jsContents = env.getContents('test.js');
|
|
expect(jsContents).toContain(`exportAs: "foo"`);
|
|
});
|
|
|
|
it('should generate correct factory stubs for a test module', () => {
|
|
env.tsconfig({'allowEmptyCodegenFiles': true});
|
|
|
|
env.write('test.ts', `
|
|
import {Injectable, NgModule} from '@angular/core';
|
|
|
|
@Injectable()
|
|
export class NotAModule {}
|
|
|
|
@NgModule({})
|
|
export class TestModule {}
|
|
`);
|
|
|
|
env.write('empty.ts', `
|
|
import {Injectable} from '@angular/core';
|
|
|
|
@Injectable()
|
|
export class NotAModule {}
|
|
`);
|
|
|
|
env.driveMain();
|
|
|
|
const factoryContents = env.getContents('test.ngfactory.js');
|
|
expect(factoryContents).toContain(`import * as i0 from '@angular/core';`);
|
|
expect(factoryContents).toContain(`import { NotAModule, TestModule } from './test';`);
|
|
expect(factoryContents)
|
|
.toContain(`export var TestModuleNgFactory = new i0.ɵNgModuleFactory(TestModule);`);
|
|
expect(factoryContents).not.toContain(`NotAModuleNgFactory`);
|
|
expect(factoryContents).not.toContain('ɵNonEmptyModule');
|
|
|
|
const emptyFactory = env.getContents('empty.ngfactory.js');
|
|
expect(emptyFactory).toContain(`import * as i0 from '@angular/core';`);
|
|
expect(emptyFactory).toContain(`export var ɵNonEmptyModule = true;`);
|
|
});
|
|
|
|
it('should generate a summary stub for decorated classes in the input file only', () => {
|
|
env.tsconfig({'allowEmptyCodegenFiles': true});
|
|
|
|
env.write('test.ts', `
|
|
import {Injectable, NgModule} from '@angular/core';
|
|
|
|
export class NotAModule {}
|
|
|
|
@NgModule({})
|
|
export class TestModule {}
|
|
`);
|
|
|
|
env.driveMain();
|
|
|
|
const summaryContents = env.getContents('test.ngsummary.js');
|
|
expect(summaryContents).toEqual(`export var TestModuleNgSummary = null;\n`);
|
|
});
|
|
|
|
it('it should generate empty export when there are no other summary symbols, to ensure the output is a valid ES module',
|
|
() => {
|
|
env.tsconfig({'allowEmptyCodegenFiles': true});
|
|
env.write('empty.ts', `
|
|
export class NotAModule {}
|
|
`);
|
|
|
|
env.driveMain();
|
|
|
|
const emptySummary = env.getContents('empty.ngsummary.js');
|
|
// The empty export ensures this js file is still an ES module.
|
|
expect(emptySummary).toEqual(`export var ɵempty = null;\n`);
|
|
});
|
|
|
|
it('should compile a banana-in-a-box inside of a template', () => {
|
|
env.tsconfig();
|
|
env.write('test.ts', `
|
|
import {Component} from '@angular/core';
|
|
|
|
@Component({
|
|
template: '<div *tmpl [(bananaInABox)]="prop"></div>',
|
|
selector: 'test'
|
|
})
|
|
class TestCmp {}
|
|
`);
|
|
|
|
env.driveMain();
|
|
});
|
|
|
|
it('generates inherited factory definitions', () => {
|
|
env.tsconfig();
|
|
env.write(`test.ts`, `
|
|
import {Injectable} from '@angular/core';
|
|
|
|
class Dep {}
|
|
|
|
@Injectable()
|
|
class Base {
|
|
constructor(dep: Dep) {}
|
|
}
|
|
|
|
@Injectable()
|
|
class Child extends Base {}
|
|
|
|
@Injectable()
|
|
class GrandChild extends Child {
|
|
constructor() {
|
|
super(null!);
|
|
}
|
|
}
|
|
`);
|
|
|
|
|
|
env.driveMain();
|
|
const jsContents = env.getContents('test.js');
|
|
|
|
expect(jsContents)
|
|
.toContain('function Base_Factory(t) { return new (t || Base)(i0.inject(Dep)); }');
|
|
expect(jsContents).toContain('var ɵChild_BaseFactory = i0.ɵgetInheritedFactory(Child)');
|
|
expect(jsContents)
|
|
.toContain('function Child_Factory(t) { return ɵChild_BaseFactory((t || Child)); }');
|
|
expect(jsContents)
|
|
.toContain('function GrandChild_Factory(t) { return new (t || GrandChild)(); }');
|
|
});
|
|
|
|
it('generates base factories for directives', () => {
|
|
env.tsconfig();
|
|
env.write(`test.ts`, `
|
|
import {Directive} from '@angular/core';
|
|
|
|
class Base {}
|
|
|
|
@Directive({
|
|
selector: '[test]',
|
|
})
|
|
class Dir extends Base {
|
|
}
|
|
`);
|
|
|
|
|
|
env.driveMain();
|
|
const jsContents = env.getContents('test.js');
|
|
|
|
expect(jsContents).toContain('var ɵDir_BaseFactory = i0.ɵgetInheritedFactory(Dir)');
|
|
});
|
|
|
|
it('should wrap "directives" in component metadata in a closure when forward references are present',
|
|
() => {
|
|
env.tsconfig();
|
|
env.write('test.ts', `
|
|
import {Component, NgModule} from '@angular/core';
|
|
|
|
@Component({
|
|
selector: 'cmp-a',
|
|
template: '<cmp-b></cmp-b>',
|
|
})
|
|
class CmpA {}
|
|
|
|
@Component({
|
|
selector: 'cmp-b',
|
|
template: 'This is B',
|
|
})
|
|
class CmpB {}
|
|
|
|
@NgModule({
|
|
declarations: [CmpA, CmpB],
|
|
})
|
|
class Module {}
|
|
`);
|
|
|
|
env.driveMain();
|
|
|
|
const jsContents = env.getContents('test.js');
|
|
expect(jsContents).toContain('directives: function () { return [CmpB]; }');
|
|
});
|
|
|
|
it('should emit setClassMetadata calls for all types', () => {
|
|
env.tsconfig();
|
|
env.write('test.ts', `
|
|
import {Component, Directive, Injectable, NgModule, Pipe} from '@angular/core';
|
|
|
|
@Component({selector: 'cmp', template: 'I am a component!'}) class TestComponent {}
|
|
@Directive({selector: 'dir'}) class TestDirective {}
|
|
@Injectable() class TestInjectable {}
|
|
@NgModule({declarations: [TestComponent, TestDirective]}) class TestNgModule {}
|
|
@Pipe({name: 'pipe'}) class TestPipe {}
|
|
`);
|
|
|
|
env.driveMain();
|
|
const jsContents = env.getContents('test.js');
|
|
expect(jsContents).toContain('ɵsetClassMetadata(TestComponent, ');
|
|
expect(jsContents).toContain('ɵsetClassMetadata(TestDirective, ');
|
|
expect(jsContents).toContain('ɵsetClassMetadata(TestInjectable, ');
|
|
expect(jsContents).toContain('ɵsetClassMetadata(TestNgModule, ');
|
|
expect(jsContents).toContain('ɵsetClassMetadata(TestPipe, ');
|
|
});
|
|
});
|