59695: BrowseByDatePage tests

src/app/+browse-by/+browse-by-date-page/browse-by-date-page.component.spec.ts

@@ -0,0 +1,95 @@
+import { BrowseByDatePageComponent } from './browse-by-date-page.component';
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { CommonModule } from '@angular/common';
+import { RouterTestingModule } from '@angular/router/testing';
+import { TranslateModule } from '@ngx-translate/core';
+import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
+import { EnumKeysPipe } from '../../shared/utils/enum-keys-pipe';
+import { ActivatedRoute, Router } from '@angular/router';
+import { BrowseService } from '../../core/browse/browse.service';
+import { DSpaceObjectDataService } from '../../core/data/dspace-object-data.service';
+import { MockRouter } from '../../shared/mocks/mock-router';
+import { ChangeDetectorRef, NO_ERRORS_SCHEMA } from '@angular/core';
+import { of as observableOf } from 'rxjs/internal/observable/of';
+import { RemoteData } from '../../core/data/remote-data';
+import { ActivatedRouteStub } from '../../shared/testing/active-router-stub';
+import { Community } from '../../core/shared/community.model';
+import { Item } from '../../core/shared/item.model';
+import { ENV_CONFIG, GLOBAL_CONFIG } from '../../../config';
+import { BrowseEntrySearchOptions } from '../../core/browse/browse-entry-search-options.model';
+import { toRemoteData } from '../+browse-by-metadata-page/browse-by-metadata-page.component.spec';
+
+describe('BrowseByDatePageComponent', () => {
+  let comp: BrowseByDatePageComponent;
+  let fixture: ComponentFixture<BrowseByDatePageComponent>;
+  let route: ActivatedRoute;
+
+  const mockCommunity = Object.assign(new Community(), {
+    id: 'test-uuid',
+    name: 'test community'
+  });
+
+  const firstItem = Object.assign(new Item(), {
+    id: 'first-item-id',
+    metadata: [
+      { key: 'dc.date.issued', value: '1950-01-01' }
+    ]
+  });
+
+  const mockBrowseService = {
+    getBrowseEntriesFor: (options: BrowseEntrySearchOptions) => toRemoteData([]),
+    getBrowseItemsFor: (value: string, options: BrowseEntrySearchOptions) => toRemoteData([firstItem]),
+    getFirstItemFor: () => toRemoteData([firstItem])
+  };
+
+  const mockDsoService = {
+    findById: () => observableOf(new RemoteData(false, false, true, null, mockCommunity))
+  };
+
+  const activatedRouteStub = Object.assign(new ActivatedRouteStub(), {
+    params: observableOf({}),
+    queryParams: observableOf({}),
+    data: observableOf({ metadata: 'dateissued', metadataField: 'dc.date.issued' })
+  });
+
+  const mockCdRef = Object.assign({
+    detectChanges: () => fixture.detectChanges()
+  });
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      imports: [CommonModule, RouterTestingModule.withRoutes([]), TranslateModule.forRoot(), NgbModule.forRoot()],
+      declarations: [BrowseByDatePageComponent, EnumKeysPipe],
+      providers: [
+        { provide: GLOBAL_CONFIG, useValue: ENV_CONFIG },
+        { provide: ActivatedRoute, useValue: activatedRouteStub },
+        { provide: BrowseService, useValue: mockBrowseService },
+        { provide: DSpaceObjectDataService, useValue: mockDsoService },
+        { provide: Router, useValue: new MockRouter() },
+        { provide: ChangeDetectorRef, useValue: mockCdRef }
+      ],
+      schemas: [NO_ERRORS_SCHEMA]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(BrowseByDatePageComponent);
+    comp = fixture.componentInstance;
+    fixture.detectChanges();
+    route = (comp as any).route;
+  });
+
+  it('should initialize the list of items', () => {
+    comp.items$.subscribe((result) => {
+      expect(result.payload.page).toEqual([firstItem]);
+    });
+  });
+
+  it('should create a list of startsWith options with the earliest year at the end (rounded down by 10)', () => {
+    expect(comp.startsWithOptions[comp.startsWithOptions.length - 1]).toEqual(1950);
+  });
+
+  it('should create a list of startsWith options with the current year first', () => {
+    expect(comp.startsWithOptions[0]).toEqual(new Date().getFullYear());
+  });
+});