Added tests in app section

Author: 0x41head

src/app/app.component.spec.ts

@@ -1,24 +1,38 @@
-import { TestBed } from '@angular/core/testing';
+import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { RouterTestingModule } from '@angular/router/testing';
 import { AppComponent } from './app.component';
 
 describe('AppComponent', () => {
+  let app: AppComponent;
+  let fixture: ComponentFixture<AppComponent>;
+
   beforeEach(async () => {
     await TestBed.configureTestingModule({
       imports: [RouterTestingModule],
       declarations: [AppComponent],
     }).compileComponents();
   });
 
+  beforeEach(() => {
+    fixture = TestBed.createComponent(AppComponent);
+    app = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
   it('should create the app', () => {
-    const fixture = TestBed.createComponent(AppComponent);
-    const app = fixture.componentInstance;
     expect(app).toBeTruthy();
   });
 
   it(`should have as title 'DSOMM'`, () => {
-    const fixture = TestBed.createComponent(AppComponent);
-    const app = fixture.componentInstance;
     expect(app.title).toEqual('DSOMM');
   });
+
+  it('check for fork me on github ribbon generation', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const HTMLElement: HTMLElement = fixture.nativeElement;
+    var divTag = HTMLElement.querySelector('div')!;
+    var aTag = divTag.querySelector('a')!;
+    //console.log(aTag);
+    expect(aTag.textContent).toEqual('Fork me on GitHub');
+  });
 });