Files
agenda-web/src/app/components/lang-switch-btn/lang-switch-btn.spec.ts

44 lines
1.5 KiB
TypeScript

import { ComponentFixture, TestBed } from '@angular/core/testing';
import { LangSwitchBtn } from './lang-switch-btn';
import { LanguageManager } from '../../services/language-manager';
import { By } from '@angular/platform-browser';
describe('LangSwitchBtn', () => {
let component: LangSwitchBtn;
let fixture: ComponentFixture<LangSwitchBtn>;
let languageManager: jasmine.SpyObj<LanguageManager>;
beforeEach(async () => {
languageManager = jasmine.createSpyObj(LanguageManager, ['selectedLanguage$', 'setLanguage']);
await TestBed.configureTestingModule({
imports: [LangSwitchBtn],
providers: [{ provide: LanguageManager, useValue: languageManager }],
}).compileComponents();
fixture = TestBed.createComponent(LangSwitchBtn);
component = fixture.componentInstance;
});
it('should create', () => {
fixture.detectChanges();
expect(component).toBeTruthy();
});
it('should show spanish flag', () => {
languageManager.selectedLanguage$.and.returnValue('en');
fixture.detectChanges();
const img = fixture.debugElement.query(By.css('img')).attributes;
expect(img['src']).toEqual('images/sp_flag.png');
});
it('should updateLanguage on click', () => {
const updateLanguageSpy = spyOn(component, 'updateLanguage').and.callThrough();
languageManager.selectedLanguage$.and.returnValue('en');
fixture.detectChanges();
const container = fixture.debugElement.query(By.css('.container'));
container.triggerEventHandler('click');
expect(updateLanguageSpy).toHaveBeenCalledTimes(1);
});
});