374 lines
11 KiB
TypeScript
374 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 * as fs from 'fs';
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import * as path from 'path';
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import * as ts from 'typescript';
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import {main, readCommandLineAndConfiguration, watchMode} from '../../src/main';
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import {TestSupport, isInBazel, makeTempDir, setup} from '../test_support';
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function setupFakeCore(support: TestSupport): void {
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const fakeCore = path.join(
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process.env.TEST_SRCDIR, 'angular/packages/compiler-cli/test/ngtsc/fake_core/npm_package');
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const nodeModulesPath = path.join(support.basePath, 'node_modules');
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const angularCoreDirectory = path.join(nodeModulesPath, '@angular/core');
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fs.symlinkSync(fakeCore, angularCoreDirectory);
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}
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function getNgRootDir() {
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const moduleFilename = module.filename.replace(/\\/g, '/');
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const distIndex = moduleFilename.indexOf('/dist/all');
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return moduleFilename.substr(0, distIndex);
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}
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describe('ngtsc behavioral tests', () => {
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if (!isInBazel()) {
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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 basePath: string;
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let outDir: string;
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let write: (fileName: string, content: string) => void;
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let errorSpy: jasmine.Spy&((s: string) => void);
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function shouldExist(fileName: string) {
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if (!fs.existsSync(path.resolve(outDir, fileName))) {
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throw new Error(`Expected ${fileName} to be emitted (outDir: ${outDir})`);
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}
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}
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function shouldNotExist(fileName: string) {
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if (fs.existsSync(path.resolve(outDir, fileName))) {
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throw new Error(`Did not expect ${fileName} to be emitted (outDir: ${outDir})`);
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}
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}
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function getContents(fileName: string): string {
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shouldExist(fileName);
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const modulePath = path.resolve(outDir, fileName);
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return fs.readFileSync(modulePath, 'utf8');
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}
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function writeConfig(
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tsconfig: string =
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'{"extends": "./tsconfig-base.json", "angularCompilerOptions": {"enableIvy": "ngtsc"}}') {
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write('tsconfig.json', tsconfig);
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}
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beforeEach(() => {
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errorSpy = jasmine.createSpy('consoleError').and.callFake(console.error);
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const support = setup();
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basePath = support.basePath;
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outDir = path.join(basePath, 'built');
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process.chdir(basePath);
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write = (fileName: string, content: string) => { support.write(fileName, content); };
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setupFakeCore(support);
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write('tsconfig-base.json', `{
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"compilerOptions": {
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"experimentalDecorators": true,
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"skipLibCheck": true,
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"noImplicitAny": true,
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"types": [],
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"outDir": "built",
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"rootDir": ".",
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"baseUrl": ".",
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"declaration": true,
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"target": "es5",
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"module": "es2015",
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"moduleResolution": "node",
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"lib": ["es6", "dom"],
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"typeRoots": ["node_modules/@types"]
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},
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"angularCompilerOptions": {
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"enableIvy": "ngtsc"
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}
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}`);
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});
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it('should compile Injectables without errors', () => {
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writeConfig();
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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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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = 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 = getContents('test.d.ts');
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expect(dtsContents).toContain('static ngInjectableDef: i0.InjectableDef<Dep>;');
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expect(dtsContents).toContain('static ngInjectableDef: i0.InjectableDef<Service>;');
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});
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it('should compile Components without errors', () => {
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writeConfig();
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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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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = 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 = getContents('test.d.ts');
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expect(dtsContents).toContain('static ngComponentDef: i0.ɵComponentDef<TestCmp, \'test-cmp\'>');
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});
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it('should compile Components without errors', () => {
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writeConfig();
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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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write('dir/test.html', '<p>Hello World</p>');
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = 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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writeConfig();
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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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})
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export class TestModule {}
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`);
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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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expect(jsContents)
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.toContain(
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'i0.ɵdefineNgModule({ type: TestModule, bootstrap: [], ' +
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'declarations: [TestCmp], imports: [], exports: [] })');
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const dtsContents = getContents('test.d.ts');
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expect(dtsContents).toContain('static ngComponentDef: i0.ɵComponentDef<TestCmp, \'test-cmp\'>');
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expect(dtsContents)
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.toContain('static ngModuleDef: i0.ɵNgModuleDef<TestModule, [TestCmp], [], []>');
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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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writeConfig();
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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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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = 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() { return new TestModule(); }, providers: [{ provide: ` +
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`Token, useValue: 'test' }], imports: [OtherModule] });`);
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const dtsContents = getContents('test.d.ts');
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expect(dtsContents)
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.toContain('static ngModuleDef: i0.ɵNgModuleDef<TestModule, [TestCmp], [OtherModule], []>');
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expect(dtsContents).toContain('static ngInjectorDef: i0.ɵInjectorDef');
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});
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it('should compile Pipes without errors', () => {
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writeConfig();
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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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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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const dtsContents = 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() { return new TestPipe(); }, pure: false })');
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expect(dtsContents).toContain('static ngPipeDef: i0.ɵPipeDef<TestPipe, \'test-pipe\'>;');
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});
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it('should compile pure Pipes without errors', () => {
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writeConfig();
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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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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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const dtsContents = 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() { return new TestPipe(); }, pure: true })');
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expect(dtsContents).toContain('static ngPipeDef: i0.ɵPipeDef<TestPipe, \'test-pipe\'>;');
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});
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it('should compile Pipes with dependencies', () => {
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writeConfig();
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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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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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expect(jsContents).toContain('return new TestPipe(i0.ɵdirectiveInject(Dep));');
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});
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it('should include @Pipes in @NgModule scopes', () => {
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writeConfig();
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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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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const jsContents = getContents('test.js');
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expect(jsContents).toContain('pipes: [TestPipe]');
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const dtsContents = getContents('test.d.ts');
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expect(dtsContents).toContain('i0.ɵNgModuleDef<TestModule, [TestPipe,TestCmp], [], []>');
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});
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it('should unwrap a ModuleWithProviders functoin if a generic type is provided for it', () => {
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writeConfig();
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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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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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const exitCode = main(['-p', basePath], errorSpy);
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expect(errorSpy).not.toHaveBeenCalled();
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expect(exitCode).toBe(0);
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const dtsContents = getContents('test.d.ts');
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expect(dtsContents).toContain(`import * as i1 from 'router';`);
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expect(dtsContents).toContain('i0.ɵNgModuleDef<TestModule, [], [i1.RouterModule], []>');
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});
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});
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