feat(demo): add unit tests for router-link.component

Author: shanmukhateja

demo/src/app/advanced/router-link.component.spec.ts

@@ -0,0 +1,72 @@
+/* tslint:disable:no-unused-variable */
+
+import { RouterTestingModule } from '@angular/router/testing';
+import { HttpClientModule } from '@angular/common/http';
+import { NO_ERRORS_SCHEMA, SecurityContext } from '@angular/core';
+import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
+import { DataTableDirective, DataTablesModule } from 'angular-datatables';
+import { MarkdownModule } from 'ngx-markdown';
+import { BaseDemoComponent } from '../base-demo/base-demo.component';
+import { AppRoutingModule } from '../app.routing';
+import { FormsModule } from '@angular/forms';
+import { RouterLinkComponent } from './router-link.component';
+import { Router } from '@angular/router';
+
+
+let fixture: ComponentFixture<RouterLinkComponent>, component: RouterLinkComponent = null, router: Router = null;
+
+describe('RouterLinkComponent', () => {
+  beforeEach(() => {
+    fixture = TestBed.configureTestingModule({
+      declarations: [
+        BaseDemoComponent,
+        RouterLinkComponent,
+        DataTableDirective
+      ],
+      imports: [
+        AppRoutingModule,
+        RouterTestingModule,
+        DataTablesModule.forRoot(),
+        HttpClientModule,
+        MarkdownModule.forRoot(
+          {
+            sanitize: SecurityContext.NONE
+          }
+        ),
+        FormsModule
+      ],
+      schemas: [NO_ERRORS_SCHEMA]
+    }).createComponent(RouterLinkComponent);
+
+    component = fixture.componentInstance;
+    router = TestBed.inject(Router);
+
+    fixture.detectChanges(); // initial binding
+  });
+
+  it('should create the app', waitForAsync(() => {
+    const app = fixture.debugElement.componentInstance;
+    expect(app).toBeTruthy();
+  }));
+
+  it('should have title "Router Link"', waitForAsync(() => {
+    const app = fixture.debugElement.componentInstance as RouterLinkComponent;
+    expect(app.pageTitle).toBe('Router Link');
+  }));
+
+  it('should open Person info on click', async () => {
+    await fixture.whenStable();
+
+    const rSpy = spyOn(router, 'navigate');
+
+    const button = document.createElement('button');
+    button.setAttribute('view-person-id', '3');
+    fixture.nativeElement.appendChild(button);
+    button.click();
+
+
+    fixture.detectChanges();
+    expect(rSpy).toHaveBeenCalledWith(["/person/3"]);
+  });
+
+});