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added button tests

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This commit is contained in:
Manuel Hude 2021-05-24 15:24:43 +02:00
parent 5e73523237
commit 62dbe148c0
2 changed files with 18 additions and 2 deletions
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2
frontend/src/app/component/tweets/tweets.component.html
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@ -28,7 +28,7 @@
</div>
</div>
<div class="text-center">
<button (click)="loadMore()" mat-button color="primary">Mehr laden</button>
<button class="more" (click)="loadMore()" mat-button color="primary">Mehr laden</button>
</div>
</div>
</div>

18
frontend/src/app/component/tweets/tweets.component.spec.ts
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@ -1,5 +1,5 @@
import {TweetsComponent} from './tweets.component';
import {async, ComponentFixture, TestBed} from '@angular/core/testing';
import {async, ComponentFixture, fakeAsync, TestBed, tick} from '@angular/core/testing';
import {HttpClient} from '@angular/common/http';
import {MatSnackBar} from '@angular/material/snack-bar';
import {NGXLogger} from 'ngx-logger';
@ -107,4 +107,20 @@ describe('Component: Tweets', () => {
component.loadMore();
expect(component.tweets.length).toEqual(18);
});
it('load more button visible', () => {
expect(expect(fixture.debugElement.query(By.css('.more'))).toBeDefined());
});
it('load more being called after button press', () => {
fakeAsync(() => {
spyOn(component, 'loadMore');
const button = fixture.debugElement.nativeElement.querySelector('button');
button.click();
tick();
expect(component.loadMore).toHaveBeenCalled();
});
});
});