home.component.spec.ts

import { Component, Input } from '@angular/core';
import { TestBed, waitForAsync, ComponentFixture  } from '@angular/core/testing';
import { RouterTestingModule } from '@angular/router/testing';

import { provideMockStore, MockStore } from '@ngrx/store/testing';

import { HomeComponent } from './home.component';
import { AppConfigService } from 'src/app/app-config.service';
import { Instance } from '../../metamodel/models';

describe('HomeComponent', () => {
    @Component({ selector: '<app-welcome', template: '' })
    class WelcomeStubComponent {
        @Input() instance: Instance;
        @Input() apiUrl: string;
    }

    let component: HomeComponent;
    let fixture: ComponentFixture<HomeComponent>;
    let store: MockStore;
    let appConfigServiceStub = new AppConfigService();

    beforeEach(waitForAsync(() => {
        TestBed.configureTestingModule({
            imports: [RouterTestingModule],
            declarations: [
                HomeComponent,
                WelcomeStubComponent
            ],
            providers: [
                provideMockStore({ }),
                { provide: AppConfigService, useValue: appConfigServiceStub },
            ]
        }).compileComponents();
        fixture = TestBed.createComponent(HomeComponent);
        component = fixture.componentInstance;
        store = TestBed.inject(MockStore);
    }));

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

    it('#getApiUrl() should return API URL address', () => {
        appConfigServiceStub.apiUrl = 'http://test.com';
        expect(component.getApiUrl()).toBe('http://test.com');
    });
});