Angular运行单/组单元测试

import { ExampleComponent } from './example.component';

describe('ExampleComponent', () => {
  let component: ExampleComponent;

  beforeEach(async () => {
    await TestBed.configureTestingModule({
      declarations: [ ExampleComponent ]
    }).compileComponents();
  });

  beforeEach(() => {
    fixture = TestBed.createComponent(ExampleComponent);
    component = fixture.componentInstance;
    fixture.detectChanges();
  });

  it('should create', () => {
    expect(component).toBeTruthy();
  });
});

"test": {
  "builder": "@angular-devkit/build-angular:karma",
  "options": {
    "main": "src/test.ts",
    "polyfills": "src/polyfills.ts",
    "tsConfig": "tsconfig.spec.json",
    "karmaConfig": "karma.conf.js",
    "assets": [
      "src/favicon.ico",
      "src/assets"
    ],
    "styles": [
      "src/styles.css"
    ],
    "scripts": []
  }
}

module.exports = function(config) {
  config.set({
    basePath: '',
    frameworks: ['jasmine', '@angular-devkit/build-angular'],
    files: [
      'src/**/*.spec.ts'
    ],
    exclude: [
    ],
    preprocessors: {
    },
    reporters: ['progress', 'kjhtml'],
    port: 9876,
    colors: true,
    logLevel: config.LOG_INFO,
    autoWatch: true,
    browsers: ['Chrome'],
    singleRun: false,
    restartOnFileChange: true
  });
};

ng test --include src/app/example/example.component.spec.ts

ng test --include src/app/**/*.spec.ts

ng test