CST-5309 added test cases

src/app/page-error/page-error.component.html

@@ -1,5 +1,5 @@
 <div class="page-internal-server-error container">
-  <h1>{{status}}</h1>
+  <h1 data-test="status">{{status}}</h1>
   <h2><small>{{"error-page.description." + status | translate}}</small></h2>
   <br/>
   <p>{{"error-page." + code | translate}}</p>

src/app/page-error/page-error.component.spec.ts

@@ -0,0 +1,48 @@
+import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
+import { PageErrorComponent } from './page-error.component';
+import { ActivatedRoute } from '@angular/router';
+import { ActivatedRouteStub } from '../shared/testing/active-router.stub';
+import { of as observableOf } from 'rxjs';
+import { TranslateLoader, TranslateModule } from '@ngx-translate/core';
+import { By } from '@angular/platform-browser';
+import { TranslateLoaderMock } from '../shared/testing/translate-loader.mock';
+
+describe('PageErrorComponent', () => {
+  let component: PageErrorComponent;
+  let fixture: ComponentFixture<PageErrorComponent>;
+  const activatedRouteStub = Object.assign(new ActivatedRouteStub(), {
+    queryParams: observableOf({
+      status: 401,
+      code: 'orcid.generic-error'
+    })
+  });
+  beforeEach(waitForAsync(() => {
+    TestBed.configureTestingModule({
+      declarations: [ PageErrorComponent ],
+      imports: [
+        TranslateModule.forRoot({
+          loader: {
+            provide: TranslateLoader,
+            useClass: TranslateLoaderMock
+          }
+        })
+      ],
+      providers: [
+        { provide: ActivatedRoute, useValue: activatedRouteStub },
+      ]
+    }).compileComponents();
+
+    fixture = TestBed.createComponent(PageErrorComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  }));
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+
+  it('should show error for 401 unauthorized', () => {
+    const statusElement = fixture.debugElement.query(By.css('[data-test="status"]')).nativeElement;
+    expect(statusElement.innerHTML).toEqual('401');
+  });
+});