7a78889994
This commit gets ready for the introduction of ngtsc template type-checking tests by refactoring test environment setup into a custom helper. This helper will simplify the authoring of future ngtsc tests. Ngtsc tests previously returned a numeric error code (a la ngtsc's CLI interface) if any TypeScript errors occurred. The helper has the ability to run ngtsc and return the actual array of ts.Diagnostics, which greatly increases the ability to write clean tests. PR Close #26203
666 lines
19 KiB
TypeScript
666 lines
19 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(i0.INJECTOR), i0.ɵinjectRenderer2(), i0.ɵdirectiveInject(TemplateRef), i0.ɵdirectiveInject(ViewContainerRef)); }`);
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});
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it('should generate queries for components', () => {
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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).toContain(`i0.ɵquery(null, ["bar"], true, TemplateRef)`);
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expect(jsContents).toContain(`i0.ɵquery(null, TemplateRef, false)`);
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expect(jsContents).toContain(`i0.ɵquery(null, ["test2"], true)`);
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expect(jsContents).toContain(`i0.ɵquery(0, ["accessor"], true)`);
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expect(jsContents).toContain(`i0.ɵquery(1, ["test1"], 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($event)',
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'[prop]': 'bar',
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},
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})
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class FooCmp {
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onClick(event: any): void {}
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@HostBinding('class.someclass')
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get someClass(): boolean { return false; }
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@HostListener('onChange', ['arg'])
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onChange(event: any, arg: any): void {}
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}
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`);
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env.driveMain();
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const jsContents = env.getContents('test.js');
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expect(jsContents)
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.toContain(
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`i0.ɵelementProperty(elIndex, "attr.hello", i0.ɵbind(i0.ɵloadDirective(dirIndex).foo));`);
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expect(jsContents)
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.toContain(
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`i0.ɵelementProperty(elIndex, "prop", i0.ɵbind(i0.ɵloadDirective(dirIndex).bar));`);
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expect(jsContents)
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.toContain(
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'i0.ɵelementProperty(elIndex, "class.someclass", i0.ɵbind(i0.ɵloadDirective(dirIndex).someClass))');
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expect(jsContents).toContain('i0.ɵloadDirective(dirIndex).onClick($event)');
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expect(jsContents)
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.toContain('i0.ɵloadDirective(dirIndex).onChange(i0.ɵloadDirective(dirIndex).arg)');
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});
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it('should correctly recognize local symbols', () => {
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env.tsconfig();
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env.write('module.ts', `
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import {NgModule} from '@angular/core';
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import {Dir, Comp} from './test';
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@NgModule({
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declarations: [Dir, Comp],
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exports: [Dir, Comp],
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})
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class Module {}
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`);
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env.write(`test.ts`, `
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import {Component, Directive} from '@angular/core';
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@Directive({
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selector: '[dir]',
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})
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export class Dir {}
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@Component({
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selector: 'test',
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template: '<div dir>Test</div>',
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})
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export class Comp {}
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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).not.toMatch(/import \* as i[0-9] from ['"].\/test['"]/);
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});
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it('should generate exportAs declarations', () => {
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env.tsconfig();
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env.write('test.ts', `
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import {Component, Directive} from '@angular/core';
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@Directive({
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selector: '[test]',
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exportAs: 'foo',
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})
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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 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]; }');
|
|
});
|
|
});
|