Is there a way to customize the default HTML template in the Angular testbed?

Is there a way to customize the default angular testbed html template? By default, it looks like this:

<div id="root0" _nghost-a-c16="" ng-version="10.2.5"></div>

I want to either add a custom class or turn it into a full-fledged html page.

<div id="root0" class="myTestClass" _nghost-a-c16="" ng-version="10.2.5">
<!-- I would like to include this custom class here -->

</div>

or

<container id="root0" class="myTestClass" _nghost-a-c16="" ng-version="10.2.5">
<!-- I am looking for this custom element instead -->

</container>


Below is a snippet of my simple testing code.

import { TestBed } from '@angular/core/testing';
import { RouterTestingModule } from '@angular/router/testing';
import { AppComponent } from './app.component';

describe('AppComponent', () => {
  beforeEach(async () => {
    await TestBed.configureTestingModule({
      imports: [
        RouterTestingModule
      ],
      declarations: [
        AppComponent
      ],
    }).compileComponents();
  });

  fit('should create the app', () => {
    const fixture = TestBed.createComponent(AppComponent);
    console.log('fixture', fixture.debugElement);
    const app = fixture.componentInstance;
    expect(app).toBeTruthy();
  });
});

Answer №1

If you find the element exists, consider using

document.querySelector('[ng-version]').classList.add('myTestClass');
.

Alternatively, you could simply grab a reference to the element with

const element = document.querySelector('[ng-version']);
.

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