61142: EditRelationshipComponent tests + de-caching of requests in ItemRelationships

src/app/+item-page/edit-item-page/item-relationships/edit-relationship/edit-relationship.component.spec.ts

@@ -0,0 +1,180 @@
+import { async, TestBed } from '@angular/core/testing';
+import { of as observableOf } from 'rxjs/internal/observable/of';
+import { TranslateModule } from '@ngx-translate/core';
+import { ObjectUpdatesService } from '../../../../core/data/object-updates/object-updates.service';
+import { NO_ERRORS_SCHEMA } from '@angular/core';
+import { EditRelationshipComponent } from './edit-relationship.component';
+import { RelationshipType } from '../../../../core/shared/item-relationships/relationship-type.model';
+import { ResourceType } from '../../../../core/shared/resource-type';
+import { Relationship } from '../../../../core/shared/item-relationships/relationship.model';
+import { RemoteData } from '../../../../core/data/remote-data';
+import { Item } from '../../../../core/shared/item.model';
+import { PaginatedList } from '../../../../core/data/paginated-list';
+import { PageInfo } from '../../../../core/shared/page-info.model';
+import { FieldChangeType } from '../../../../core/data/object-updates/object-updates.actions';
+
+let objectUpdatesService: ObjectUpdatesService;
+const url = 'http://test-url.com/test-url';
+
+let item;
+let author1;
+let author2;
+let fieldUpdate1;
+let fieldUpdate2;
+let relationships;
+let relationshipType;
+
+let fixture;
+let comp: EditRelationshipComponent;
+let de;
+let el;
+
+describe('EditRelationshipComponent', () => {
+  beforeEach(async(() => {
+    relationshipType = Object.assign(new RelationshipType(), {
+      type: ResourceType.RelationshipType,
+      id: '1',
+      uuid: '1',
+      leftLabel: 'isAuthorOfPublication',
+      rightLabel: 'isPublicationOfAuthor'
+    });
+
+    relationships = [
+      Object.assign(new Relationship(), {
+        self: url + '/2',
+        id: '2',
+        uuid: '2',
+        leftId: 'author1',
+        rightId: 'publication',
+        relationshipType: observableOf(new RemoteData(false, false, true, undefined, relationshipType))
+      }),
+      Object.assign(new Relationship(), {
+        self: url + '/3',
+        id: '3',
+        uuid: '3',
+        leftId: 'author2',
+        rightId: 'publication',
+        relationshipType: observableOf(new RemoteData(false, false, true, undefined, relationshipType))
+      })
+    ];
+
+    item = Object.assign(new Item(), {
+      self: 'fake-item-url/publication',
+      id: 'publication',
+      uuid: 'publication',
+      relationships: observableOf(new RemoteData(false, false, true, undefined, new PaginatedList(new PageInfo(), relationships)))
+    });
+
+    author1 = Object.assign(new Item(), {
+      id: 'author1',
+      uuid: 'author1'
+    });
+    author2 = Object.assign(new Item(), {
+      id: 'author2',
+      uuid: 'author2'
+    });
+
+    fieldUpdate1 = {
+      field: author1,
+      changeType: undefined
+    };
+    fieldUpdate2 = {
+      field: author2,
+      changeType: FieldChangeType.REMOVE
+    };
+
+    objectUpdatesService = jasmine.createSpyObj('objectUpdatesService',
+      {
+        saveChangeFieldUpdate: {},
+        saveRemoveFieldUpdate: {},
+        setEditableFieldUpdate: {},
+        setValidFieldUpdate: {},
+        removeSingleFieldUpdate: {},
+        isEditable: observableOf(false), // should always return something --> its in ngOnInit
+        isValid: observableOf(true) // should always return something --> its in ngOnInit
+      }
+    );
+
+    TestBed.configureTestingModule({
+      imports: [TranslateModule.forRoot()],
+      declarations: [EditRelationshipComponent],
+      providers: [
+        { provide: ObjectUpdatesService, useValue: objectUpdatesService }
+      ], schemas: [
+        NO_ERRORS_SCHEMA
+      ]
+    }).compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(EditRelationshipComponent);
+    comp = fixture.componentInstance;
+    de = fixture.debugElement;
+    el = de.nativeElement;
+
+    comp.url = url;
+    comp.fieldUpdate = fieldUpdate1;
+    comp.item = item;
+
+    fixture.detectChanges();
+  });
+
+  describe('when fieldUpdate has no changeType', () => {
+    beforeEach(() => {
+      comp.fieldUpdate = fieldUpdate1;
+      fixture.detectChanges();
+    });
+
+    describe('canRemove', () => {
+      it('should return true', () => {
+        expect(comp.canRemove()).toBe(true);
+      });
+    });
+
+    describe('canUndo', () => {
+      it('should return false', () => {
+        expect(comp.canUndo()).toBe(false);
+      });
+    });
+  });
+
+  describe('when fieldUpdate has DELETE as changeType', () => {
+    beforeEach(() => {
+      comp.fieldUpdate = fieldUpdate2;
+      fixture.detectChanges();
+    });
+
+    describe('canRemove', () => {
+      it('should return false', () => {
+        expect(comp.canRemove()).toBe(false);
+      });
+    });
+
+    describe('canUndo', () => {
+      it('should return true', () => {
+        expect(comp.canUndo()).toBe(true);
+      });
+    });
+  });
+
+  describe('remove', () => {
+    beforeEach(() => {
+      comp.remove();
+    });
+
+    it('should call saveRemoveFieldUpdate with the correct arguments', () => {
+      expect(objectUpdatesService.saveRemoveFieldUpdate).toHaveBeenCalledWith(url, item);
+    });
+  });
+
+  describe('undo', () => {
+    beforeEach(() => {
+      comp.undo();
+    });
+
+    it('should call removeSingleFieldUpdate with the correct arguments', () => {
+      expect(objectUpdatesService.removeSingleFieldUpdate).toHaveBeenCalledWith(url, item.uuid);
+    });
+  });
+
+});

src/app/+item-page/edit-item-page/item-relationships/item-relationships.component.ts

@@ -19,6 +19,7 @@ import { isNotEmptyOperator } from '../../../shared/empty.util';
 import { RemoteData } from '../../../core/data/remote-data';
 import { ObjectCacheService } from '../../../core/cache/object-cache.service';
 import { getSucceededRemoteData } from '../../../core/shared/operators';
+import { RequestService } from '../../../core/data/request.service';
 
 @Component({
   selector: 'ds-item-relationships',
@@ -44,7 +45,8 @@ export class ItemRelationshipsComponent extends AbstractItemUpdateComponent {
     @Inject(GLOBAL_CONFIG) protected EnvConfig: GlobalConfig,
     protected route: ActivatedRoute,
     protected relationshipService: RelationshipService,
-    protected objectCache: ObjectCacheService
+    protected objectCache: ObjectCacheService,
+    protected requestService: RequestService
   ) {
     super(itemService, objectUpdatesService, router, notificationsService, translateService, EnvConfig, route);
   }
@@ -105,6 +107,7 @@ export class ItemRelationshipsComponent extends AbstractItemUpdateComponent {
       // Make sure the lists are up-to-date and send a notification that the removal was successful
       // TODO: Fix lists refreshing correctly
       this.objectCache.remove(this.item.self);
+      this.requestService.removeByHrefSubstring(this.item.self);
       this.itemService.findById(this.item.id).pipe(getSucceededRemoteData(), take(1)).subscribe((itemRD: RemoteData<Item>) => this.item = itemRD.payload);
       this.initializeOriginalFields();
       this.initializeUpdates();

src/app/core/cache/object-cache.service.ts

@@ -68,8 +68,8 @@ export class ObjectCacheService {
    * @param href
    *    The unique href of the object to be removed
    */
-  remove(uuid: string): void {
-    this.store.dispatch(new RemoveFromObjectCacheAction(uuid));
+  remove(href: string): void {
+    this.store.dispatch(new RemoveFromObjectCacheAction(href));
   }
 
   /**