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test(@angular/build): add unit tests for unit-test builder options
Adds a suite of disabled unit tests for the options of the unit-test builder. These tests cover the functionality of each option and will be enabled in a future commit.
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‎packages/angular/build/src/builders/unit-test/tests/options/browsers_spec.ts

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/**
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* @license
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* Copyright Google LLC 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.dev/license
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*/
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import { execute } from '../../index';
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import {
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BASE_OPTIONS,
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describeBuilder,
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UNIT_TEST_BUILDER_INFO,
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setupApplicationTarget,
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} from '../setup';
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describeBuilder(execute, UNIT_TEST_BUILDER_INFO, (harness) => {
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xdescribe('Option: "browsers"', () => {
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beforeEach(async () => {
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setupApplicationTarget(harness);
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});
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it('should use jsdom when browsers is not provided', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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browsers: undefined,
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});
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const { result, logs } = await harness.executeOnce();
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expect(result?.success).toBeTrue();
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expect(logs).toContain(
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jasmine.objectContaining({ message: 'Using jsdom in Node.js for test execution.' }),
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);
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});
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it('should fail when browsers is empty', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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browsers: [],
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});
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await expectAsync(harness.executeOnce()).toBeRejectedWithError(
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/must NOT have fewer than 1 items/,
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);
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});
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it('should launch a browser when provided', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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browsers: ['chrome'],
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});
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const { result, logs } = await harness.executeOnce();
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expect(result?.success).toBeTrue();
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expect(logs).toContain(
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jasmine.objectContaining({ message: jasmine.stringMatching(/Starting browser "chrome"/) }),
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);
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});
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it('should launch a browser in headless mode when specified', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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browsers: ['chromeheadless'],
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});
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const { result, logs } = await harness.executeOnce();
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expect(result?.success).toBeTrue();
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expect(logs).toContain(
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jasmine.objectContaining({
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message: jasmine.stringMatching(/Starting browser "chrome" in headless mode/),
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}),
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);
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});
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});
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});

‎packages/angular/build/src/builders/unit-test/tests/options/build-target_spec.ts

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/**
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* @license
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* Copyright Google LLC 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.dev/license
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*/
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import { execute } from '../../index';
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import {
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BASE_OPTIONS,
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describeBuilder,
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UNIT_TEST_BUILDER_INFO,
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setupApplicationTarget,
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} from '../setup';
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describeBuilder(execute, UNIT_TEST_BUILDER_INFO, (harness) => {
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xdescribe('Option: "buildTarget"', () => {
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beforeEach(async () => {
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setupApplicationTarget(harness);
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});
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it('should fail when buildTarget is not provided', async () => {
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const { buildTarget, ...rest } = BASE_OPTIONS;
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harness.useTarget('test', rest as any);
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await expectAsync(harness.executeOnce()).toBeRejectedWithError(/"buildTarget" is required/);
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});
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it('should fail when buildTarget is empty', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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buildTarget: '',
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});
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await expectAsync(harness.executeOnce()).toBeRejectedWithError(
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/must match "\^\S+:\S+(:\S+)?\$"/,
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);
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});
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it('should fail when buildTarget does not have a project name', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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buildTarget: ':build',
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});
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await expectAsync(harness.executeOnce()).toBeRejectedWithError(
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/must match "\^\S+:\S+(:\S+)?\$"/,
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);
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});
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it('should fail when buildTarget does not have a target name', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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buildTarget: 'app:',
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});
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await expectAsync(harness.executeOnce()).toBeRejectedWithError(
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/must match "\^\S+:\S+(:\S+)?\$"/,
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);
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});
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});
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});

‎packages/angular/build/src/builders/unit-test/tests/options/code-coverage-exclude_spec.ts

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/**
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* @license
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* Copyright Google LLC 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.dev/license
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*/
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import { execute } from '../../index';
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import {
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BASE_OPTIONS,
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describeBuilder,
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UNIT_TEST_BUILDER_INFO,
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setupApplicationTarget,
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} from '../setup';
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describeBuilder(execute, UNIT_TEST_BUILDER_INFO, (harness) => {
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xdescribe('Option: "codeCoverageExclude"', () => {
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beforeEach(async () => {
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setupApplicationTarget(harness);
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await harness.writeFiles({
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'src/app/error.ts': `export const a = 1;`,
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});
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});
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it('should not exclude any files from coverage when not provided', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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codeCoverage: true,
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});
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const { result } = await harness.executeOnce();
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expect(result?.success).toBeTrue();
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const summary = harness.readFile('coverage/coverage-summary.json');
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expect(summary).toContain('"src/app/error.ts"');
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});
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it('should exclude files from coverage that match the glob pattern', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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codeCoverage: true,
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codeCoverageExclude: ['**/error.ts'],
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});
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const { result } = await harness.executeOnce();
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expect(result?.success).toBeTrue();
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const summary = harness.readFile('coverage/coverage-summary.json');
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expect(summary).not.toContain('"src/app/error.ts"');
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});
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});
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});

‎packages/angular/build/src/builders/unit-test/tests/options/code-coverage-reporters_spec.ts

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/**
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* @license
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* Copyright Google LLC 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.dev/license
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*/
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import { execute } from '../../index';
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import {
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BASE_OPTIONS,
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describeBuilder,
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UNIT_TEST_BUILDER_INFO,
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setupApplicationTarget,
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} from '../setup';
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describeBuilder(execute, UNIT_TEST_BUILDER_INFO, (harness) => {
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xdescribe('Option: "codeCoverageReporters"', () => {
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beforeEach(async () => {
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setupApplicationTarget(harness);
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});
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it('should generate a json summary report when specified', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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codeCoverage: true,
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codeCoverageReporters: ['json-summary'] as any,
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});
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const { result } = await harness.executeOnce();
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expect(result?.success).toBeTrue();
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expect(harness.hasFile('coverage/coverage-summary.json')).toBeTrue();
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});
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it('should generate multiple reports when specified', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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codeCoverage: true,
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codeCoverageReporters: ['json-summary', 'lcov'] as any,
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});
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const { result } = await harness.executeOnce();
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expect(result?.success).toBeTrue();
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expect(harness.hasFile('coverage/coverage-summary.json')).toBeTrue();
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expect(harness.hasFile('coverage/lcov.info')).toBeTrue();
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});
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});
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});

‎packages/angular/build/src/builders/unit-test/tests/options/code-coverage_spec.ts

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/**
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* @license
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* Copyright Google LLC 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.dev/license
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*/
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import { execute } from '../../index';
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import {
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BASE_OPTIONS,
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describeBuilder,
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UNIT_TEST_BUILDER_INFO,
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setupApplicationTarget,
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} from '../setup';
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describeBuilder(execute, UNIT_TEST_BUILDER_INFO, (harness) => {
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xdescribe('Option: "codeCoverage"', () => {
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beforeEach(async () => {
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setupApplicationTarget(harness);
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});
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it('should not generate a code coverage report when codeCoverage is false', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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codeCoverage: false,
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});
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const { result } = await harness.executeOnce();
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expect(result?.success).toBeTrue();
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expect(harness.hasFile('coverage/index.html')).toBeFalse();
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});
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it('should generate a code coverage report when codeCoverage is true', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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codeCoverage: true,
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});
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const { result } = await harness.executeOnce();
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expect(result?.success).toBeTrue();
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expect(harness.hasFile('coverage/index.html')).toBeTrue();
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});
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});
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});

‎packages/angular/build/src/builders/unit-test/tests/options/debug_spec.ts

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/**
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* @license
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* Copyright Google LLC 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.dev/license
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*/
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import { execute } from '../../index';
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import {
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BASE_OPTIONS,
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describeBuilder,
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UNIT_TEST_BUILDER_INFO,
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setupApplicationTarget,
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} from '../setup';
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describeBuilder(execute, UNIT_TEST_BUILDER_INFO, (harness) => {
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xdescribe('Option: "debug"', () => {
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beforeEach(async () => {
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setupApplicationTarget(harness);
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});
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it('should not enter debug mode when debug is false', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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debug: false,
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});
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const { result, logs } = await harness.executeOnce();
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expect(result?.success).toBeTrue();
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expect(logs).not.toContain(
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jasmine.objectContaining({ message: jasmine.stringMatching(/Node.js inspector/) }),
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);
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});
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it('should enter debug mode when debug is true', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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debug: true,
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});
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const { result, logs } = await harness.executeOnce();
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expect(result?.success).toBeTrue();
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expect(logs).toContain(
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jasmine.objectContaining({
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message: jasmine.stringMatching(/Node.js inspector is active/),
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}),
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);
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});
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});
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});

‎packages/angular/build/src/builders/unit-test/tests/options/providers-file_spec.ts

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/**
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* @license
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* Copyright Google LLC 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.dev/license
7+
*/
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import { execute } from '../../index';
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import {
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BASE_OPTIONS,
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describeBuilder,
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UNIT_TEST_BUILDER_INFO,
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setupApplicationTarget,
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} from '../setup';
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describeBuilder(execute, UNIT_TEST_BUILDER_INFO, (harness) => {
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xdescribe('Option: "providersFile"', () => {
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beforeEach(async () => {
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setupApplicationTarget(harness);
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});
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it('should fail when providersFile does not exist', async () => {
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harness.useTarget('test', {
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...BASE_OPTIONS,
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providersFile: 'src/my.providers.ts',
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});
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const { result, error } = await harness.executeOnce({ outputLogsOnFailure: false });
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expect(result).toBeUndefined();
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expect(error?.message).toMatch(
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`The specified providers file "src/my.providers.ts" does not exist.`,
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);
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});
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it('should use providers from the specified file', async () => {
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await harness.writeFiles({
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'src/my.providers.ts': `
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import { importProvidersFrom } from '@angular/core';
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import { CommonModule } from '@angular/common';
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export default [importProvidersFrom(CommonModule)];
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`,
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});
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harness.useTarget('test', {
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...BASE_OPTIONS,
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providersFile: 'src/my.providers.ts',
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});
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const { result } = await harness.executeOnce();
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expect(result?.success).toBeTrue();
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});
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});
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});

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