[CSTPER-3620] Workflow Actions refresh entire MyDSpace page instead of just WorkflowItem

Task Service implementation.
ReloadableAction abstraction.

src/app/core/tasks/tasks.service.spec.ts

@@ -4,7 +4,7 @@ import { TestScheduler } from 'rxjs/testing';
 import { getMockRequestService } from '../../shared/mocks/request.service.mock';
 import { TasksService } from './tasks.service';
 import { RequestService } from '../data/request.service';
-import { TaskDeleteRequest, TaskPostRequest } from '../data/request.models';
+import { FindListOptions, TaskDeleteRequest, TaskPostRequest } from '../data/request.models';
 import { HALEndpointService } from '../shared/hal-endpoint.service';
 import { HALEndpointServiceStub } from '../../shared/testing/hal-endpoint-service.stub';
 import { TaskObject } from './models/task-object.model';
@@ -17,8 +17,8 @@ import { HttpClient, HttpHeaders } from '@angular/common/http';
 import { DSOChangeAnalyzer } from '../data/dso-change-analyzer.service';
 import { ChangeAnalyzer } from '../data/change-analyzer';
 import { compare, Operation } from 'fast-json-patch';
+import { of as observableOf } from 'rxjs/internal/observable/of';
 import { HttpOptions } from '../dspace-rest/dspace-rest.service';
-import { getMockRemoteDataBuildService } from '../../shared/mocks/remote-data-build.service.mock';
 
 const LINK_NAME = 'test';
 
@@ -57,7 +57,7 @@ describe('TasksService', () => {
   const linkPath = 'testTask';
   const requestService = getMockRequestService();
   const halService: any = new HALEndpointServiceStub(taskEndpoint);
-  const rdbService = getMockRemoteDataBuildService();
+  const rdbService = {} as RemoteDataBuildService;
   const notificationsService = {} as NotificationsService;
   const http = {} as HttpClient;
   const comparator = new DummyChangeAnalyzer() as any;
@@ -117,4 +117,38 @@ describe('TasksService', () => {
     });
   });
 
+  describe('searchTask', () => {
+
+    it('should call findByHref with the href generated by getSearchByHref', () => {
+
+      spyOn(service, 'getSearchByHref').and.returnValue(observableOf('generatedHref'));
+      spyOn(service, 'findByHref').and.returnValue(null);
+
+      const followLinks = {};
+      const options = new FindListOptions();
+      options.searchParams = [];
+
+      scheduler.schedule(() => service.searchTask('method', options, followLinks as any).subscribe());
+      scheduler.flush();
+
+      expect(service.getSearchByHref).toHaveBeenCalledWith('method', options, followLinks as any);
+      expect(service.findByHref).toHaveBeenCalledWith('generatedHref');
+    });
+  });
+
+  describe('getEndpointById', () => {
+
+    it('should call halService.getEndpoint and then getEndpointByIDHref', () => {
+
+      spyOn(halService, 'getEndpoint').and.returnValue(observableOf('generatedHref'));
+      spyOn(service, 'getEndpointByIDHref').and.returnValue(null);
+
+      scheduler.schedule(() => service.getEndpointById('scopeId').subscribe());
+      scheduler.flush();
+
+      expect(halService.getEndpoint).toHaveBeenCalledWith(service.getLinkPath());
+      expect(service.getEndpointByIDHref).toHaveBeenCalledWith('generatedHref', 'scopeId');
+    });
+  });
+
 });