angular/aio/src/app/embedded/current-location.component.spec.ts
Georgios Kalpakas 4f37f86433 fix(aio): switch from innerText to textContent to support older browsers
`innerText` is not supported in Firefox prior to v45. In most cases (at least
the ones we are interested in), `innerText` and `textContent` work equally well,
but `textContent` is more performant (as it doesn't require a reflow).

From [MDN][1] on the differences of `innerText` vs `textContent`:

> - [...]
> - `innerText` is aware of style and will not return the text of hidden
>   elements, whereas `textContent` will.
> - As `innerText` is aware of CSS styling, it will trigger a reflow, whereas
>   `textContent` will not.
> - [...]

[1]: https://developer.mozilla.org/en-US/docs/Web/API/Node/textContent#Differences_from_innerText

Fixes #17585
2017-06-19 10:32:36 -07:00

36 lines
1.1 KiB
TypeScript

import { async, ComponentFixture, TestBed } from '@angular/core/testing';
import { LocationService } from 'app/shared/location.service';
import { MockLocationService } from 'testing/location.service';
import { CurrentLocationComponent } from './current-location.component';
describe('CurrentLocationComponent', () => {
let element: HTMLElement;
let fixture: ComponentFixture<CurrentLocationComponent>;
let locationService: MockLocationService;
beforeEach(() => {
locationService = new MockLocationService('initial/url');
TestBed.configureTestingModule({
declarations: [ CurrentLocationComponent ],
providers: [
{ provide: LocationService, useValue: locationService }
]
});
fixture = TestBed.createComponent(CurrentLocationComponent);
element = fixture.nativeElement;
});
it('should render the current location', () => {
fixture.detectChanges();
expect(element.textContent).toEqual('initial/url');
locationService.urlSubject.next('next/url');
fixture.detectChanges();
expect(element.textContent).toEqual('next/url');
});
});