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