309 lines
11 KiB
TypeScript
309 lines
11 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 {runInEachFileSystem} from '../../src/ngtsc/file_system/testing';
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import {loadStandardTestFiles} from '../helpers/src/mock_file_loading';
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import {NgtscTestEnvironment} from './env';
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const testFiles = loadStandardTestFiles();
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runInEachFileSystem(() => {
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describe('ngtsc incremental compilation', () => {
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let env !: NgtscTestEnvironment;
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beforeEach(() => {
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env = NgtscTestEnvironment.setup(testFiles);
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env.enableMultipleCompilations();
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env.tsconfig();
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});
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it('should not crash if CLI does not provide getModifiedResourceFiles()', () => {
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env.write('component1.ts', `
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import {Component} from '@angular/core';
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@Component({selector: 'cmp', templateUrl: './component1.template.html'})
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export class Cmp1 {}
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`);
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env.write('component1.template.html', 'cmp1');
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env.driveMain();
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// Simulate a change to `component1.html`
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env.flushWrittenFileTracking();
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env.invalidateCachedFile('component1.html');
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env.simulateLegacyCLICompilerHost();
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env.driveMain();
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});
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it('should skip unchanged services', () => {
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env.write('service.ts', `
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import {Injectable} from '@angular/core';
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@Injectable()
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export class Service {}
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`);
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env.write('test.ts', `
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import {Component} from '@angular/core';
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import {Service} from './service';
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@Component({selector: 'cmp', template: 'cmp'})
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export class Cmp {
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constructor(service: Service) {}
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}
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`);
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env.driveMain();
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env.flushWrittenFileTracking();
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// Pretend a change was made to test.ts.
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env.invalidateCachedFile('test.ts');
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env.driveMain();
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const written = env.getFilesWrittenSinceLastFlush();
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// The changed file should be recompiled, but not the service.
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expect(written).toContain('/test.js');
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expect(written).not.toContain('/service.js');
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});
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it('should rebuild components that have changed', () => {
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env.write('component1.ts', `
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import {Component} from '@angular/core';
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@Component({selector: 'cmp', template: 'cmp'})
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export class Cmp1 {}
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`);
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env.write('component2.ts', `
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import {Component} from '@angular/core';
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@Component({selector: 'cmp2', template: 'cmp'})
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export class Cmp2 {}
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`);
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env.driveMain();
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// Pretend a change was made to Cmp1
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env.flushWrittenFileTracking();
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env.invalidateCachedFile('component1.ts');
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env.driveMain();
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const written = env.getFilesWrittenSinceLastFlush();
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expect(written).toContain('/component1.js');
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expect(written).not.toContain('/component2.js');
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});
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it('should rebuild components whose templates have changed', () => {
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env.write('component1.ts', `
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import {Component} from '@angular/core';
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@Component({selector: 'cmp', templateUrl: './component1.template.html'})
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export class Cmp1 {}
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`);
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env.write('component1.template.html', 'cmp1');
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env.write('component2.ts', `
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import {Component} from '@angular/core';
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@Component({selector: 'cmp2', templateUrl: './component2.template.html'})
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export class Cmp2 {}
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`);
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env.write('component2.template.html', 'cmp2');
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env.driveMain();
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// Make a change to Cmp1 template
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env.flushWrittenFileTracking();
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env.write('component1.template.html', 'changed');
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env.driveMain();
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const written = env.getFilesWrittenSinceLastFlush();
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expect(written).toContain('/component1.js');
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expect(written).not.toContain('/component2.js');
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});
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it('should rebuild components whose partial-evaluation dependencies have changed', () => {
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env.write('component1.ts', `
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import {Component} from '@angular/core';
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@Component({selector: 'cmp', template: 'cmp'})
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export class Cmp1 {}
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`);
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env.write('component2.ts', `
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import {Component} from '@angular/core';
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import {SELECTOR} from './constants';
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@Component({selector: SELECTOR, template: 'cmp'})
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export class Cmp2 {}
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`);
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env.write('constants.ts', `
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export const SELECTOR = 'cmp';
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`);
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env.driveMain();
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// Pretend a change was made to SELECTOR
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env.flushWrittenFileTracking();
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env.invalidateCachedFile('constants.ts');
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env.driveMain();
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const written = env.getFilesWrittenSinceLastFlush();
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expect(written).toContain('/constants.js');
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expect(written).not.toContain('/component1.js');
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expect(written).toContain('/component2.js');
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});
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it('should rebuild components whose imported dependencies have changed', () => {
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setupFooBarProgram(env);
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// Pretend a change was made to BarDir.
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env.invalidateCachedFile('bar_directive.ts');
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env.driveMain();
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let written = env.getFilesWrittenSinceLastFlush();
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expect(written).toContain('/bar_directive.js');
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expect(written).toContain('/bar_component.js');
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expect(written).toContain('/bar_module.js');
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expect(written).not.toContain('/foo_component.js');
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expect(written).not.toContain('/foo_pipe.js');
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expect(written).not.toContain('/foo_module.js');
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});
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it('should rebuild components where their NgModule declared dependencies have changed', () => {
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setupFooBarProgram(env);
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// Pretend a change was made to FooPipe.
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env.invalidateCachedFile('foo_pipe.ts');
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env.driveMain();
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const written = env.getFilesWrittenSinceLastFlush();
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expect(written).not.toContain('/bar_directive.js');
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expect(written).not.toContain('/bar_component.js');
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expect(written).not.toContain('/bar_module.js');
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expect(written).toContain('/foo_component.js');
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expect(written).toContain('/foo_pipe.js');
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expect(written).toContain('/foo_module.js');
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});
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it('should rebuild components where their NgModule has changed', () => {
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setupFooBarProgram(env);
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// Pretend a change was made to FooPipe.
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env.invalidateCachedFile('foo_module.ts');
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env.driveMain();
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const written = env.getFilesWrittenSinceLastFlush();
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expect(written).not.toContain('/bar_directive.js');
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expect(written).not.toContain('/bar_component.js');
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expect(written).not.toContain('/bar_module.js');
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expect(written).toContain('/foo_component.js');
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expect(written).toContain('/foo_pipe.js');
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expect(written).toContain('/foo_module.js');
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});
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it('should rebuild everything if a typings file changes', () => {
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setupFooBarProgram(env);
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// Pretend a change was made to a typings file.
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env.invalidateCachedFile('foo_selector.d.ts');
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env.driveMain();
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const written = env.getFilesWrittenSinceLastFlush();
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expect(written).toContain('/bar_directive.js');
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expect(written).toContain('/bar_component.js');
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expect(written).toContain('/bar_module.js');
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expect(written).toContain('/foo_component.js');
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expect(written).toContain('/foo_pipe.js');
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expect(written).toContain('/foo_module.js');
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});
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it('should compile incrementally with template type-checking turned on', () => {
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env.tsconfig({ivyTemplateTypeCheck: true});
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env.write('main.ts', 'export class Foo {}');
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env.driveMain();
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env.invalidateCachedFile('main.ts');
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env.driveMain();
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// If program reuse were configured incorrectly (as was responsible for
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// https://github.com/angular/angular/issues/30079), this would have crashed.
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});
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// https://github.com/angular/angular/pull/26036
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it('should handle redirected source files', () => {
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env.tsconfig({fullTemplateTypeCheck: true});
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// This file structure has an identical version of "a" under the root node_modules and inside
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// of "b". Because their package.json file indicates it is the exact same version of "a",
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// TypeScript will transform the source file of "node_modules/b/node_modules/a/index.d.ts"
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// into a redirect to "node_modules/a/index.d.ts". During incremental compilations, we must
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// assure not to reintroduce "node_modules/b/node_modules/a/index.d.ts" as its redirected
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// source file, but instead use its original file.
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env.write('node_modules/a/index.js', `export class ServiceA {}`);
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env.write('node_modules/a/index.d.ts', `export declare class ServiceA {}`);
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env.write('node_modules/a/package.json', `{"name": "a", "version": "1.0"}`);
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env.write('node_modules/b/node_modules/a/index.js', `export class ServiceA {}`);
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env.write('node_modules/b/node_modules/a/index.d.ts', `export declare class ServiceA {}`);
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env.write('node_modules/b/node_modules/a/package.json', `{"name": "a", "version": "1.0"}`);
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env.write('node_modules/b/index.js', `export {ServiceA as ServiceB} from 'a';`);
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env.write('node_modules/b/index.d.ts', `export {ServiceA as ServiceB} from 'a';`);
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env.write('test.ts', `
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import {ServiceA} from 'a';
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import {ServiceB} from 'b';
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`);
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env.driveMain();
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env.flushWrittenFileTracking();
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// Pretend a change was made to test.ts. If redirect sources were introduced into the new
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// program, this would fail due to an assertion failure in TS.
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env.invalidateCachedFile('test.ts');
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env.driveMain();
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});
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});
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function setupFooBarProgram(env: NgtscTestEnvironment) {
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env.write('foo_component.ts', `
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import {Component} from '@angular/core';
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import {fooSelector} from './foo_selector';
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@Component({selector: fooSelector, template: 'foo'})
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export class FooCmp {}
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`);
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env.write('foo_pipe.ts', `
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import {Pipe} from '@angular/core';
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@Pipe({name: 'foo'})
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export class FooPipe {}
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`);
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env.write('foo_module.ts', `
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import {NgModule} from '@angular/core';
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import {FooCmp} from './foo_component';
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import {FooPipe} from './foo_pipe';
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import {BarModule} from './bar_module';
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@NgModule({
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declarations: [FooCmp, FooPipe],
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imports: [BarModule],
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})
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export class FooModule {}
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`);
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env.write('bar_component.ts', `
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import {Component} from '@angular/core';
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@Component({selector: 'bar', template: 'bar'})
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export class BarCmp {}
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`);
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env.write('bar_directive.ts', `
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import {Directive} from '@angular/core';
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@Directive({selector: '[bar]'})
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export class BarDir {}
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`);
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env.write('bar_module.ts', `
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import {NgModule} from '@angular/core';
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import {BarCmp} from './bar_component';
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import {BarDir} from './bar_directive';
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@NgModule({
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declarations: [BarCmp, BarDir],
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exports: [BarCmp],
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})
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export class BarModule {}
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`);
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env.write('foo_selector.d.ts', `
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export const fooSelector = 'foo';
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`);
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env.driveMain();
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env.flushWrittenFileTracking();
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}
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});
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