115046: Fixed failing tests & added new test to cover added code

(cherry picked from commit 479adf6)

Author: alexandrevryghem

src/app/core/data/relationship-data.service.ts

@@ -237,7 +237,7 @@ export class RelationshipDataService extends IdentifiableDataService<Relationshi
    * Method to remove an item that's part of a relationship from the cache
    * @param item The item to remove from the cache
    */
-  public refreshRelationshipItemsInCache(item) {
+  public refreshRelationshipItemsInCache(item: Item): void {
     this.objectCache.remove(item._links.self.href);
     this.requestService.removeByHrefSubstring(item.uuid);
     observableCombineLatest([

src/app/item-page/edit-item-page/item-relationships/edit-item-relationships.service.spec.ts

@@ -1,16 +1,303 @@
 import { TestBed } from '@angular/core/testing';
+import { TranslateModule } from '@ngx-translate/core';
+import { of as observableOf } from 'rxjs';
+import { v4 as uuidv4 } from 'uuid';
 
+import { EntityTypeDataService } from '../../../core/data/entity-type-data.service';
+import { ItemDataService } from '../../../core/data/item-data.service';
+import { FieldChangeType } from '../../../core/data/object-updates/field-change-type.model';
+import { FieldUpdate } from '../../../core/data/object-updates/field-update.model';
+import { FieldUpdates } from '../../../core/data/object-updates/field-updates.model';
+import {
+  DeleteRelationship,
+  RelationshipIdentifiable,
+} from '../../../core/data/object-updates/object-updates.reducer';
+import { ObjectUpdatesService } from '../../../core/data/object-updates/object-updates.service';
+import { RelationshipDataService } from '../../../core/data/relationship-data.service';
+import { Item } from '../../../core/shared/item.model';
+import { ItemType } from '../../../core/shared/item-relationships/item-type.model';
+import { Relationship } from '../../../core/shared/item-relationships/relationship.model';
+import { RelationshipType } from '../../../core/shared/item-relationships/relationship-type.model';
+import { NotificationsService } from '../../../shared/notifications/notifications.service';
+import {
+  createFailedRemoteDataObject,
+  createSuccessfulRemoteDataObject,
+  createSuccessfulRemoteDataObject$,
+} from '../../../shared/remote-data.utils';
+import { EntityTypeDataServiceStub } from '../../../shared/testing/entity-type-data.service.stub';
+import { ItemDataServiceStub } from '../../../shared/testing/item-data.service.stub';
+import { NotificationsServiceStub } from '../../../shared/testing/notifications-service.stub';
+import { ObjectUpdatesServiceStub } from '../../../shared/testing/object-updates.service.stub';
+import { RelationshipDataServiceStub } from '../../../shared/testing/relationship-data.service.stub';
 import { EditItemRelationshipsService } from './edit-item-relationships.service';
 
 describe('EditItemRelationshipsService', () => {
   let service: EditItemRelationshipsService;
 
+  let itemService: ItemDataServiceStub;
+  let objectUpdatesService: ObjectUpdatesServiceStub;
+  let notificationsService: NotificationsServiceStub;
+  let relationshipService: RelationshipDataServiceStub;
+  let entityTypeDataService: EntityTypeDataServiceStub;
+
+  let currentItem: Item;
+
+  let relationshipItem1: Item;
+  let relationshipIdentifiable1: RelationshipIdentifiable;
+  let relationship1: Relationship;
+
+  let relationshipItem2: Item;
+  let relationshipIdentifiable2: RelationshipIdentifiable;
+  let relationship2: Relationship;
+
+  let orgUnitType: ItemType;
+  let orgUnitToOrgUnitType: RelationshipType;
+
   beforeEach(() => {
-    TestBed.configureTestingModule({});
+    itemService = new ItemDataServiceStub();
+    objectUpdatesService = new ObjectUpdatesServiceStub();
+    notificationsService = new NotificationsServiceStub();
+    relationshipService = new RelationshipDataServiceStub();
+    entityTypeDataService = new EntityTypeDataServiceStub();
+
+    TestBed.configureTestingModule({
+      imports: [
+        TranslateModule.forRoot(),
+      ],
+      providers: [
+        { provide: ItemDataService, useValue: itemService },
+        { provide: ObjectUpdatesService, useValue: objectUpdatesService },
+        { provide: NotificationsService, useValue: notificationsService },
+        { provide: RelationshipDataService, useValue: relationshipService },
+        { provide: EntityTypeDataService, useValue: entityTypeDataService },
+      ],
+    });
     service = TestBed.inject(EditItemRelationshipsService);
   });
 
-  it('should be created', () => {
-    expect(service).toBeTruthy();
+  beforeEach(() => {
+    currentItem = Object.assign(new Item(), {
+      uuid: uuidv4(),
+      metadata: {
+        'dspace.entity.type': 'OrgUnit',
+      },
+      _links: {
+        self: {
+          href: 'selfLink1',
+        },
+      },
+    });
+
+    relationshipItem1 = Object.assign(new Item(), {
+      uuid: uuidv4(),
+      metadata: {
+        'dspace.entity.type': 'OrgUnit',
+      },
+      _links: {
+        self: {
+          href: 'selfLink2',
+        },
+      },
+    });
+    relationshipIdentifiable1 = {
+      originalItem: currentItem,
+      relatedItem: relationshipItem1,
+      type: orgUnitToOrgUnitType,
+      uuid: `1-${relationshipItem1.uuid}`,
+    } as RelationshipIdentifiable;
+    relationship1 = Object.assign(new Relationship(), {
+      _links: {
+        leftItem: currentItem._links.self,
+        rightItem: relationshipItem1._links.self,
+      },
+    });
+
+    relationshipItem2 = Object.assign(new Item(), {
+      uuid: uuidv4(),
+      metadata: {
+        'dspace.entity.type': 'OrgUnit',
+      },
+      _links: {
+        self: {
+          href: 'selfLink3',
+        },
+      },
+    });
+    relationshipIdentifiable2 = {
+      originalItem: currentItem,
+      relatedItem: relationshipItem2,
+      type: orgUnitToOrgUnitType,
+      uuid: `1-${relationshipItem2.uuid}`,
+    } as RelationshipIdentifiable;
+    relationship2 = Object.assign(new Relationship(), {
+      _links: {
+        leftItem: currentItem._links.self,
+        rightItem: relationshipItem2._links.self,
+      },
+    });
+
+    orgUnitType = Object.assign(new ItemType(), {
+      id: '2',
+      label: 'OrgUnit',
+    });
+    orgUnitToOrgUnitType = Object.assign(new RelationshipType(), {
+      id: '1',
+      leftMaxCardinality: null,
+      leftMinCardinality: 0,
+      leftType: createSuccessfulRemoteDataObject$(orgUnitType),
+      leftwardType: 'isOrgUnitOfOrgUnit',
+      rightMaxCardinality: null,
+      rightMinCardinality: 0,
+      rightType: createSuccessfulRemoteDataObject$(orgUnitType),
+      rightwardType: 'isOrgUnitOfOrgUnit',
+      uuid: 'relationshiptype-1',
+    });
+  });
+
+  describe('submit', () => {
+    let fieldUpdateAddRelationship1: FieldUpdate;
+    let fieldUpdateRemoveRelationship2: FieldUpdate;
+
+    beforeEach(() => {
+      fieldUpdateAddRelationship1 = {
+        changeType: FieldChangeType.ADD,
+        field: relationshipIdentifiable1,
+      };
+      fieldUpdateRemoveRelationship2 = {
+        changeType: FieldChangeType.REMOVE,
+        field: relationshipIdentifiable2,
+      };
+
+      spyOn(service, 'addRelationship').withArgs(relationshipIdentifiable1).and.returnValue(createSuccessfulRemoteDataObject$(relationship1));
+      spyOn(service, 'deleteRelationship').withArgs(relationshipIdentifiable2 as DeleteRelationship).and.returnValue(createSuccessfulRemoteDataObject$({}));
+      spyOn(itemService, 'invalidateByHref').and.callThrough();
+    });
+
+    it('should support performing multiple relationships manipulations in one submit() call', () => {
+      spyOn(objectUpdatesService, 'getFieldUpdates').and.returnValue(observableOf({
+        [`1-${relationshipItem1.uuid}`]: fieldUpdateAddRelationship1,
+        [`1-${relationshipItem2.uuid}`]: fieldUpdateRemoveRelationship2,
+      } as FieldUpdates));
+      service.submit(currentItem, `/entities/orgunit/${currentItem.uuid}/edit/relationships`);
+
+      expect(service.addRelationship).toHaveBeenCalledWith(relationshipIdentifiable1);
+      expect(service.deleteRelationship).toHaveBeenCalledWith(relationshipIdentifiable2 as DeleteRelationship);
+
+      expect(itemService.invalidateByHref).toHaveBeenCalledWith(currentItem.self);
+      expect(itemService.invalidateByHref).toHaveBeenCalledWith(relationshipItem1.self);
+      // TODO currently this isn't done yet
+      // expect(itemService.invalidateByHref).toHaveBeenCalledWith(relationshipItem2.self);
+
+      expect(notificationsService.success).toHaveBeenCalledTimes(1);
+    });
+  });
+
+  describe('deleteRelationship', () => {
+    beforeEach(() => {
+      spyOn(relationshipService, 'deleteRelationship').and.callThrough();
+    });
+
+    it('should pass "all" as copyVirtualMetadata when the user want to keep the data on both sides', () => {
+      service.deleteRelationship({
+        uuid: relationshipItem1.uuid,
+        keepLeftVirtualMetadata: true,
+        keepRightVirtualMetadata: true,
+      } as DeleteRelationship);
+
+      expect(relationshipService.deleteRelationship).toHaveBeenCalledWith(relationshipItem1.uuid, 'all', false);
+    });
+
+    it('should pass "left" as copyVirtualMetadata when the user only want to keep the data on the left side', () => {
+      service.deleteRelationship({
+        uuid: relationshipItem1.uuid,
+        keepLeftVirtualMetadata: true,
+        keepRightVirtualMetadata: false,
+      } as DeleteRelationship);
+
+      expect(relationshipService.deleteRelationship).toHaveBeenCalledWith(relationshipItem1.uuid, 'left', false);
+    });
+
+    it('should pass "right" as copyVirtualMetadata when the user only want to keep the data on the right side', () => {
+      service.deleteRelationship({
+        uuid: relationshipItem1.uuid,
+        keepLeftVirtualMetadata: false,
+        keepRightVirtualMetadata: true,
+      } as DeleteRelationship);
+
+      expect(relationshipService.deleteRelationship).toHaveBeenCalledWith(relationshipItem1.uuid, 'right', false);
+    });
+
+    it('should pass "none" as copyVirtualMetadata when the user doesn\'t want to keep the virtual metadata', () => {
+      service.deleteRelationship({
+        uuid: relationshipItem1.uuid,
+        keepLeftVirtualMetadata: false,
+        keepRightVirtualMetadata: false,
+      } as DeleteRelationship);
+
+      expect(relationshipService.deleteRelationship).toHaveBeenCalledWith(relationshipItem1.uuid, 'none', false);
+    });
+  });
+
+  describe('addRelationship', () => {
+    beforeEach(() => {
+      spyOn(relationshipService, 'addRelationship').and.callThrough();
+    });
+
+    it('should call the addRelationship from relationshipService correctly when original item is on the right', () => {
+      service.addRelationship({
+        originalItem: currentItem,
+        originalIsLeft: false,
+        relatedItem: relationshipItem1,
+        type: orgUnitToOrgUnitType,
+        uuid: `1-${relationshipItem1.uuid}`,
+      } as RelationshipIdentifiable);
+      expect(relationshipService.addRelationship).toHaveBeenCalledWith(orgUnitToOrgUnitType.id, relationshipItem1, currentItem, undefined, null, false);
+    });
+
+    it('should call the addRelationship from relationshipService correctly when original item is on the left', () => {
+      service.addRelationship({
+        originalItem: currentItem,
+        originalIsLeft: true,
+        relatedItem: relationshipItem1,
+        type: orgUnitToOrgUnitType,
+        uuid: `1-${relationshipItem1.uuid}`,
+      } as RelationshipIdentifiable);
+
+      expect(relationshipService.addRelationship).toHaveBeenCalledWith(orgUnitToOrgUnitType.id, currentItem, relationshipItem1, null, undefined, false);
+    });
+  });
+
+  describe('displayNotifications', () => {
+    it('should show one success notification when multiple requests succeeded', () => {
+      service.displayNotifications([
+        createSuccessfulRemoteDataObject({}),
+        createSuccessfulRemoteDataObject({}),
+      ]);
+
+      expect(notificationsService.success).toHaveBeenCalledTimes(1);
+    });
+
+    it('should show one success notification even when some requests failed', () => {
+      service.displayNotifications([
+        createSuccessfulRemoteDataObject({}),
+        createFailedRemoteDataObject('Request Failed'),
+        createSuccessfulRemoteDataObject({}),
+      ]);
+
+      expect(notificationsService.success).toHaveBeenCalledTimes(1);
+      expect(notificationsService.error).toHaveBeenCalledTimes(1);
+    });
+
+    it('should show a separate error notification for each failed request', () => {
+      service.displayNotifications([
+        createSuccessfulRemoteDataObject({}),
+        createFailedRemoteDataObject('Request Failed 1'),
+        createSuccessfulRemoteDataObject({}),
+        createFailedRemoteDataObject('Request Failed 2'),
+      ]);
+
+      expect(notificationsService.success).toHaveBeenCalledTimes(1);
+      expect(notificationsService.error).toHaveBeenCalledTimes(2);
+    });
   });
 });

src/app/item-page/edit-item-page/item-relationships/edit-item-relationships.service.ts

@@ -5,6 +5,7 @@ import {
   BehaviorSubject,
   EMPTY,
   Observable,
+  Subscription,
 } from 'rxjs';
 import {
   concatMap,
@@ -120,7 +121,7 @@ export class EditItemRelationshipsService {
   /**
    * Sends all initial values of this item to the object updates service
    */
-  public initializeOriginalFields(item: Item, url: string) {
+  public initializeOriginalFields(item: Item, url: string): Subscription {
     return this.relationshipService.getRelatedItems(item).pipe(
       take(1),
     ).subscribe((items: Item[]) => {
@@ -168,7 +169,7 @@ export class EditItemRelationshipsService {
    * - Success notification in case there's at least one successful response
    * @param responses
    */
-  displayNotifications(responses: RemoteData<NoContent>[]) {
+  displayNotifications(responses: RemoteData<NoContent>[]): void {
     const failedResponses = responses.filter((response: RemoteData<NoContent>) => response.hasFailed);
     const successfulResponses = responses.filter((response: RemoteData<NoContent>) => response.hasSucceeded);
 
@@ -186,15 +187,15 @@ export class EditItemRelationshipsService {
    * Get translated notification title
    * @param key
    */
-  getNotificationTitle(key: string) {
+  getNotificationTitle(key: string): string {
     return this.translateService.instant(this.notificationsPrefix + key + '.title');
   }
 
   /**
    * Get translated notification content
    * @param key
    */
-  getNotificationContent(key: string) {
+  getNotificationContent(key: string): string {
     return this.translateService.instant(this.notificationsPrefix + key + '.content');
 
   }