111 lines
3.2 KiB
TypeScript
111 lines
3.2 KiB
TypeScript
import {TweetsComponent} from './tweets.component';
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import {async, ComponentFixture, TestBed} from '@angular/core/testing';
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import {HttpClient} from '@angular/common/http';
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import {MatSnackBar} from '@angular/material/snack-bar';
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import {NGXLogger} from 'ngx-logger';
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import {MatDialog} from '@angular/material/dialog';
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import {HttpClientTestingModule} from '@angular/common/http/testing';
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import {FeedService} from "../../services/feed.service";
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import {Observable} from "rxjs";
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import {IFeed} from "../../interfaces/feed.interface";
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import {Tweet} from "../../interfaces/interface";
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import {By} from "@angular/platform-browser";
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class MockSnackBar {
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}
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class MockMatDialog {
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}
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class MockNGXLogger {
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}
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//Fake Feed Service
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export class MockFeedService {
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getFeeds(): Observable<IFeed[]> {
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return new Observable<IFeed[]>();
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}
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}
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export function mockFillTweets() {
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for (let i = 0; i < 6; i++) {
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const tweet: Tweet = {tweet_id: i, created_date: null, text: "Mock", url: "Mock", icon: null}
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this.tweets.push(tweet);
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}
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}
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describe('Component: Tweets', () => {
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let fixture: ComponentFixture<TweetsComponent>;
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let component: TweetsComponent;
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beforeEach(async(() => {
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//Cancelling initial load and mock http calls
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TweetsComponent.prototype.ngOnInit = () => {
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};
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TweetsComponent.prototype.fillTweets = mockFillTweets;
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TweetsComponent.prototype.loadMore = mockFillTweets;
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TestBed.configureTestingModule({
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imports: [HttpClientTestingModule],
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providers: [
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{provide: HttpClient, useClass: HttpClientTestingModule},
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{provide: FeedService, useClass: MockFeedService},
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{provide: MatSnackBar, useClass: MockSnackBar},
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{provide: MatDialog, useClass: MockMatDialog},
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{provide: NGXLogger, useClass: MockNGXLogger}
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]
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}).compileComponents();
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fixture = TestBed.createComponent(TweetsComponent);
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component = fixture.componentInstance;
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fixture.detectChanges();
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}));
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it('is TweetsComponent to be defined', () => {
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expect(component).toBeDefined();
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});
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it('Show text if feeds are empty', () => {
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expect(fixture.debugElement.query(By.css('.feeds'))).toBeDefined();
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});
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it('Do not show text if feeds are filled', () => {
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const feed: IFeed = {active: true, icon: null, id: 1, keywords: null, match_all_keywords: "false", url: ""};
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component.feeds.push(feed);
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expect(fixture.debugElement.query(By.css('.feeds'))).toBeNull();
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});
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it('initial Tweets empty', () => {
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expect(component.tweets.length).toEqual(0);
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});
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it('Show text if tweets are empty', () => {
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expect(fixture.debugElement.query(By.css('.tweets'))).toBeDefined();
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})
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it('Do not show text if tweets are filled', () => {
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component.fillTweets();
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expect(fixture.debugElement.query(By.css('.tweets'))).toBeNull();
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});
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it('load initial six Tweets works', () => {
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component.fillTweets();
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expect(component.tweets.length).toEqual(6);
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});
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it('load more Tweets works', () => {
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component.fillTweets();
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component.loadMore();
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expect(component.tweets.length).toEqual(12);
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});
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it('load more Tweets twice works', () => {
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component.fillTweets();
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component.loadMore();
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component.loadMore();
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expect(component.tweets.length).toEqual(18);
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});
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});
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