719 lines
22 KiB
TypeScript
719 lines
22 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(extraOpts: {[key: string]: string | boolean} = {}): void {
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const opts = JSON.stringify({...extraOpts, 'enableIvy': 'ngtsc'});
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const tsconfig: string =
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`{"extends": "./tsconfig-base.json", "angularCompilerOptions": ${opts}}`;
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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.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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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(
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'static ngModuleDef: i0.ɵNgModuleDef<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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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(t) { return new (t || 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(
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'static ngModuleDef: i0.ɵNgModuleDef<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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writeConfig();
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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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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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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).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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writeConfig();
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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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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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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).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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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(t) { return new (t || 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(t) { return new (t || 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 (t || 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)
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.toContain('i0.ɵNgModuleDef<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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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 jsContents = getContents('test.js');
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expect(jsContents).toContain('imports: [[RouterModule.forRoot()]]');
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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)
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.toContain('i0.ɵNgModuleDef<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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writeConfig();
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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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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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tr: TemplateRef,
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vcr: ViewContainerRef,
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) {}
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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)
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.toContain(
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`factory: function FooCmp_Factory(t) { return new (t || FooCmp)(i0.ɵinjectAttribute("test"), i0.ɵinjectChangeDetectorRef(), i0.ɵinjectElementRef(), i0.ɵdirectiveInject(i0.INJECTOR), i0.ɵinjectTemplateRef(), i0.ɵinjectViewContainerRef()); }`);
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});
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it('should generate queries for components', () => {
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writeConfig();
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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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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.ɵQ(null, ["bar"], true, TemplateRef)`);
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expect(jsContents).toContain(`i0.ɵQ(null, TemplateRef, false)`);
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expect(jsContents).toContain(`i0.ɵQ(null, ["test2"], true)`);
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expect(jsContents).toContain(`i0.ɵQ(0, ["accessor"], true)`);
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expect(jsContents).toContain(`i0.ɵQ(1, ["test1"], true)`);
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});
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|
|
it('should handle queries that use forwardRef', () => {
|
|
writeConfig();
|
|
write(`test.ts`, `
|
|
import {Component, ContentChild, TemplateRef, ViewContainerRef, forwardRef} from '@angular/core';
|
|
|
|
@Component({
|
|
selector: 'test',
|
|
template: '<div #foo></div>',
|
|
})
|
|
class FooCmp {
|
|
@ContentChild(forwardRef(() => TemplateRef)) child: any;
|
|
|
|
@ContentChild(forwardRef(function() { return ViewContainerRef; })) child2: any;
|
|
}
|
|
`);
|
|
|
|
const exitCode = main(['-p', basePath], errorSpy);
|
|
expect(errorSpy).not.toHaveBeenCalled();
|
|
expect(exitCode).toBe(0);
|
|
const jsContents = getContents('test.js');
|
|
expect(jsContents).toContain(`i0.ɵQ(null, TemplateRef, true)`);
|
|
expect(jsContents).toContain(`i0.ɵQ(null, ViewContainerRef, true)`);
|
|
});
|
|
|
|
it('should generate host bindings for directives', () => {
|
|
writeConfig();
|
|
write(`test.ts`, `
|
|
import {Component, HostBinding, HostListener, TemplateRef} from '@angular/core';
|
|
|
|
@Component({
|
|
selector: 'test',
|
|
template: 'Test',
|
|
host: {
|
|
'[attr.hello]': 'foo',
|
|
'(click)': 'onClick($event)',
|
|
'[prop]': 'bar',
|
|
},
|
|
})
|
|
class FooCmp {
|
|
onClick(event: any): void {}
|
|
|
|
@HostBinding('class.someclass')
|
|
get someClass(): boolean { return false; }
|
|
|
|
@HostListener('onChange', ['arg'])
|
|
onChange(event: any, arg: any): void {}
|
|
}
|
|
`);
|
|
|
|
const exitCode = main(['-p', basePath], errorSpy);
|
|
expect(errorSpy).not.toHaveBeenCalled();
|
|
expect(exitCode).toBe(0);
|
|
const jsContents = getContents('test.js');
|
|
expect(jsContents).toContain(`i0.ɵp(elIndex, "attr.hello", i0.ɵb(i0.ɵd(dirIndex).foo));`);
|
|
expect(jsContents).toContain(`i0.ɵp(elIndex, "prop", i0.ɵb(i0.ɵd(dirIndex).bar));`);
|
|
expect(jsContents)
|
|
.toContain('i0.ɵp(elIndex, "class.someclass", i0.ɵb(i0.ɵd(dirIndex).someClass))');
|
|
expect(jsContents).toContain('i0.ɵd(dirIndex).onClick($event)');
|
|
expect(jsContents).toContain('i0.ɵd(dirIndex).onChange(i0.ɵd(dirIndex).arg)');
|
|
});
|
|
|
|
it('should correctly recognize local symbols', () => {
|
|
writeConfig();
|
|
write('module.ts', `
|
|
import {NgModule} from '@angular/core';
|
|
import {Dir, Comp} from './test';
|
|
|
|
@NgModule({
|
|
declarations: [Dir, Comp],
|
|
exports: [Dir, Comp],
|
|
})
|
|
class Module {}
|
|
`);
|
|
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 {}
|
|
`);
|
|
|
|
const exitCode = main(['-p', basePath], errorSpy);
|
|
expect(errorSpy).not.toHaveBeenCalled();
|
|
expect(exitCode).toBe(0);
|
|
const jsContents = getContents('test.js');
|
|
expect(jsContents).not.toMatch(/import \* as i[0-9] from ['"].\/test['"]/);
|
|
});
|
|
|
|
it('should generate exportAs declarations', () => {
|
|
writeConfig();
|
|
write('test.ts', `
|
|
import {Component, Directive} from '@angular/core';
|
|
|
|
@Directive({
|
|
selector: '[test]',
|
|
exportAs: 'foo',
|
|
})
|
|
class Dir {}
|
|
`);
|
|
|
|
const exitCode = main(['-p', basePath], errorSpy);
|
|
expect(errorSpy).not.toHaveBeenCalled();
|
|
expect(exitCode).toBe(0);
|
|
|
|
const jsContents = getContents('test.js');
|
|
expect(jsContents).toContain(`exportAs: "foo"`);
|
|
});
|
|
|
|
it('should generate correct factory stubs for a test module', () => {
|
|
writeConfig({'allowEmptyCodegenFiles': true});
|
|
|
|
write('test.ts', `
|
|
import {Injectable, NgModule} from '@angular/core';
|
|
|
|
@Injectable()
|
|
export class NotAModule {}
|
|
|
|
@NgModule({})
|
|
export class TestModule {}
|
|
`);
|
|
|
|
write('empty.ts', `
|
|
import {Injectable} from '@angular/core';
|
|
|
|
@Injectable()
|
|
export class NotAModule {}
|
|
`);
|
|
|
|
const exitCode = main(['-p', basePath], errorSpy);
|
|
expect(errorSpy).not.toHaveBeenCalled();
|
|
expect(exitCode).toBe(0);
|
|
|
|
const factoryContents = 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 = 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', () => {
|
|
writeConfig();
|
|
write('test.ts', `
|
|
import {Component} from '@angular/core';
|
|
|
|
@Component({
|
|
template: '<div *tmpl [(bananaInABox)]="prop"></div>',
|
|
selector: 'test'
|
|
})
|
|
class TestCmp {}
|
|
`);
|
|
|
|
const exitCode = main(['-p', basePath], errorSpy);
|
|
expect(errorSpy).not.toHaveBeenCalled();
|
|
expect(exitCode).toBe(0);
|
|
});
|
|
|
|
it('generates inherited factory definitions', () => {
|
|
writeConfig();
|
|
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!);
|
|
}
|
|
}
|
|
`);
|
|
|
|
|
|
const exitCode = main(['-p', basePath], errorSpy);
|
|
expect(errorSpy).not.toHaveBeenCalled();
|
|
expect(exitCode).toBe(0);
|
|
const jsContents = 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)(); }');
|
|
});
|
|
});
|