Betterzon/Frontend/src/app/components/header/header.component.spec.ts

import {ComponentFixture, TestBed} from '@angular/core/testing';

import {HeaderComponent} from './header.component';
import {RouterTestingModule} from '@angular/router/testing';
import {MatMenuModule} from '@angular/material/menu';
import {Router} from '@angular/router';

describe('HeaderComponent', () => {
    let component: HeaderComponent;
    let fixture: ComponentFixture<HeaderComponent>;
    const router = {
        navigate: jasmine.createSpy('navigate'),
        navigateByUrl: (url: string) => {
            return {
                then: () => {
                }
            };
        }
    };

    beforeEach(async () => {
        await TestBed.configureTestingModule({
            providers: [{provide: Router, useValue: router}],
            declarations: [HeaderComponent],
            imports: [
                RouterTestingModule,
                MatMenuModule
            ]
        })
            .compileComponents();
    });

    beforeEach(() => {
        fixture = TestBed.createComponent(HeaderComponent);
        component = fixture.componentInstance;
        fixture.detectChanges();
    });

    it('should create', () => {
        expect(component).toBeTruthy();
    });
});