diff --git a/src/app/core/cache/builders/build-decorators.spec.ts b/src/app/core/cache/builders/build-decorators.spec.ts
index 150a07f006..90d4b4fef8 100644
--- a/src/app/core/cache/builders/build-decorators.spec.ts
+++ b/src/app/core/cache/builders/build-decorators.spec.ts
@@ -1,7 +1,7 @@
 import { HALLink } from '../../shared/hal-link.model';
 import { HALResource } from '../../shared/hal-resource.model';
 import { ResourceType } from '../../shared/resource-type';
-import { getLinkDefinition, link } from './build-decorators';
+import { dataService, getLinkDefinition, link } from './build-decorators';
 
 class TestHALResource implements HALResource {
   _links: {
@@ -46,5 +46,11 @@ describe('build decorators', () => {
         expect(result).toBeUndefined();
       });
     });
+
+    describe(`set data service`, () => {
+      it(`should throw error`, () => {
+        expect(dataService(null)).toThrow();
+      });
+    });
   });
 });
diff --git a/src/app/core/suggestion-notifications/reciter-suggestions/suggestion-data.service.spec.ts b/src/app/core/suggestion-notifications/reciter-suggestions/suggestion-data.service.spec.ts
new file mode 100644
index 0000000000..93b29eff06
--- /dev/null
+++ b/src/app/core/suggestion-notifications/reciter-suggestions/suggestion-data.service.spec.ts
@@ -0,0 +1,173 @@
+import { TestScheduler } from 'rxjs/testing';
+import { SuggestionDataServiceImpl, SuggestionsDataService } from './suggestions-data.service';
+import { RequestService } from '../../data/request.service';
+import { RemoteDataBuildService } from '../../cache/builders/remote-data-build.service';
+import { ObjectCacheService } from '../../cache/object-cache.service';
+import { HALEndpointService } from '../../shared/hal-endpoint.service';
+import { NotificationsService } from '../../../shared/notifications/notifications.service';
+import { HttpClient } from '@angular/common/http';
+import { DefaultChangeAnalyzer } from '../../data/default-change-analyzer.service';
+import { Suggestion } from './models/suggestion.model';
+import { cold, getTestScheduler } from 'jasmine-marbles';
+import { RequestEntry } from '../../data/request-entry.model';
+import { RestResponse } from '../../cache/response.models';
+import { of as observableOf } from 'rxjs';
+import { createSuccessfulRemoteDataObject$ } from '../../../shared/remote-data.utils';
+import { RemoteData } from '../../data/remote-data';
+import { RequestEntryState } from '../../data/request-entry-state.model';
+import { SuggestionSource } from './models/suggestion-source.model';
+import { SuggestionTarget } from './models/suggestion-target.model';
+import { SuggestionSourceDataService } from './source/suggestion-source-data.service';
+import { SuggestionTargetDataService } from './target/suggestion-target-data.service';
+import { RequestParam } from '../../cache/models/request-param.model';
+
+describe('SuggestionDataService test', () => {
+  let scheduler: TestScheduler;
+  let service: SuggestionsDataService;
+  let requestService: RequestService;
+  let rdbService: RemoteDataBuildService;
+  let objectCache: ObjectCacheService;
+  let halService: HALEndpointService;
+  let notificationsService: NotificationsService;
+  let http: HttpClient;
+  let comparatorSuggestion: DefaultChangeAnalyzer<Suggestion>;
+  let comparatorSuggestionSource: DefaultChangeAnalyzer<SuggestionSource>;
+  let comparatorSuggestionTarget: DefaultChangeAnalyzer<SuggestionTarget>;
+  let suggestionSourcesDataService: SuggestionSourceDataService;
+  let suggestionTargetsDataService: SuggestionTargetDataService;
+  let suggestionsDataService: SuggestionDataServiceImpl;
+  let responseCacheEntry: RequestEntry;
+
+
+  const testSource = 'test-source';
+  const testUserId = '1234-4321';
+  const endpointURL = `https://rest.api/rest/api/`;
+  const requestUUID = '8b3c613a-5a4b-438b-9686-be1d5b4a1c5a';
+  const remoteDataMocks = {
+    Success: new RemoteData(null, null, null, RequestEntryState.Success, null, null, 200),
+  };
+
+  function initTestService() {
+    return new SuggestionsDataService(
+      requestService,
+      rdbService,
+      objectCache,
+      halService,
+      notificationsService,
+      http,
+      comparatorSuggestion,
+      comparatorSuggestionSource,
+      comparatorSuggestionTarget
+    );
+  }
+
+  beforeEach(() => {
+    scheduler = getTestScheduler();
+
+    objectCache = {} as ObjectCacheService;
+    http = {} as HttpClient;
+    notificationsService = {} as NotificationsService;
+    comparatorSuggestion = {} as DefaultChangeAnalyzer<Suggestion>;
+    comparatorSuggestionTarget = {} as DefaultChangeAnalyzer<SuggestionTarget>;
+    comparatorSuggestionSource = {} as DefaultChangeAnalyzer<SuggestionSource>;
+    responseCacheEntry = new RequestEntry();
+    responseCacheEntry.request = { href: 'https://rest.api/' } as any;
+    responseCacheEntry.response = new RestResponse(true, 200, 'Success');
+
+    requestService = jasmine.createSpyObj('requestService', {
+      generateRequestId: requestUUID,
+      send: true,
+      removeByHrefSubstring: {},
+      getByHref: observableOf(responseCacheEntry),
+      getByUUID: observableOf(responseCacheEntry),
+      setStaleByHrefSubstring: observableOf(true)
+    });
+
+    halService = jasmine.createSpyObj('halService', {
+      getEndpoint: observableOf(endpointURL)
+    });
+
+    rdbService = jasmine.createSpyObj('rdbService', {
+      buildSingle: createSuccessfulRemoteDataObject$({}, 500),
+      buildList: cold('a', { a: remoteDataMocks.Success })
+    });
+
+
+    suggestionSourcesDataService = jasmine.createSpyObj('suggestionSourcesDataService', {
+      getSources: observableOf(null),
+    });
+
+    suggestionTargetsDataService = jasmine.createSpyObj('suggestionTargetsDataService', {
+      getTargets: observableOf(null),
+      getTargetsByUser: observableOf(null),
+      findById: observableOf(null),
+    });
+
+    suggestionsDataService = jasmine.createSpyObj('suggestionsDataService', {
+      searchBy: observableOf(null),
+      delete: observableOf(null),
+    });
+
+
+    service = initTestService();
+    /* eslint-disable-next-line @typescript-eslint/dot-notation */
+    service['suggestionSourcesDataService'] = suggestionSourcesDataService;
+    /* eslint-disable-next-line @typescript-eslint/dot-notation */
+    service['suggestionTargetsDataService'] = suggestionTargetsDataService;
+    /* eslint-disable-next-line @typescript-eslint/dot-notation */
+    service['suggestionsDataService'] = suggestionsDataService;
+  });
+
+  describe('Suggestion targets service', () => {
+    it('should call suggestionSourcesDataService.getTargets', () => {
+      const options = {
+        searchParams: [new RequestParam('source', testSource)]
+      };
+      service.getTargets(testSource);
+      expect(suggestionTargetsDataService.getTargets).toHaveBeenCalledWith('findBySource', options);
+    });
+
+    it('should call suggestionSourcesDataService.getTargetsByUser', () => {
+      const options = {
+        searchParams: [new RequestParam('target', testUserId)]
+      };
+      service.getTargetsByUser(testUserId);
+      expect(suggestionTargetsDataService.getTargetsByUser).toHaveBeenCalledWith(testUserId, options);
+    });
+
+    it('should call suggestionSourcesDataService.getTargetById', () => {
+      service.getTargetById('1');
+      expect(suggestionTargetsDataService.findById).toHaveBeenCalledWith('1');
+    });
+  });
+
+
+  describe('Suggestion sources service', () => {
+    it('should call suggestionSourcesDataService.getSources', () => {
+      service.getSources();
+      expect(suggestionSourcesDataService.getSources).toHaveBeenCalled();
+    });
+  });
+
+  describe('Suggestion service', () => {
+    it('should call suggestionsDataService.searchBy', () => {
+      const options = {
+        searchParams: [new RequestParam('target', testUserId), new RequestParam('source', testSource)]
+      };
+      service.getSuggestionsByTargetAndSource(testUserId, testSource);
+      expect(suggestionsDataService.searchBy).toHaveBeenCalledWith('findByTargetAndSource', options, true, true);
+    });
+
+    it('should call suggestionsDataService.delete', () => {
+      service.deleteSuggestion('1');
+      expect(suggestionsDataService.delete).toHaveBeenCalledWith('1');
+    });
+  });
+
+  describe('Request service', () => {
+    it('should call requestService.setStaleByHrefSubstring', () => {
+      service.clearSuggestionRequests();
+      expect(requestService.setStaleByHrefSubstring).toHaveBeenCalled();
+    });
+  });
+});
diff --git a/src/app/core/suggestion-notifications/reciter-suggestions/suggestions-data.service.ts b/src/app/core/suggestion-notifications/reciter-suggestions/suggestions-data.service.ts
index 407ea6a7e6..58fb165031 100644
--- a/src/app/core/suggestion-notifications/reciter-suggestions/suggestions-data.service.ts
+++ b/src/app/core/suggestion-notifications/reciter-suggestions/suggestions-data.service.ts
@@ -116,7 +116,7 @@ export class SuggestionsDataService {
   }
 
   /**
-   * Return the list of Suggestion Target
+   * Return the list of Suggestion Sources
    *
    * @param options
    *    Find list options object.
diff --git a/src/app/shared/dso-selector/modal-wrappers/dso-selector-modal-wrapper.component.spec.ts b/src/app/shared/dso-selector/modal-wrappers/dso-selector-modal-wrapper.component.spec.ts
index e2dbaaa0ff..edefff8592 100644
--- a/src/app/shared/dso-selector/modal-wrappers/dso-selector-modal-wrapper.component.spec.ts
+++ b/src/app/shared/dso-selector/modal-wrappers/dso-selector-modal-wrapper.component.spec.ts
@@ -5,13 +5,14 @@ import { DSpaceObjectType } from '../../../core/shared/dspace-object-type.model'
 import { Item } from '../../../core/shared/item.model';
 import { DSOSelectorModalWrapperComponent, SelectorActionType } from './dso-selector-modal-wrapper.component';
 import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
-import { ActivatedRoute } from '@angular/router';
+import { ActivatedRoute, ActivatedRouteSnapshot } from '@angular/router';
 import { DSpaceObject } from '../../../core/shared/dspace-object.model';
 import { By } from '@angular/platform-browser';
 import { DSOSelectorComponent } from '../dso-selector/dso-selector.component';
 import { MockComponent } from 'ng-mocks';
 import { MetadataValue } from '../../../core/shared/metadata.models';
 import { createSuccessfulRemoteDataObject } from '../../remote-data.utils';
+import { hasValue } from '../../empty.util';
 
 describe('DSOSelectorModalWrapperComponent', () => {
   let component: DSOSelectorModalWrapperComponent;
@@ -83,6 +84,20 @@ describe('DSOSelectorModalWrapperComponent', () => {
     });
   });
 
+  describe('selectObject with emit only', () => {
+    beforeEach(() => {
+      spyOn(component, 'navigate');
+      spyOn(component, 'close');
+      spyOn(component.select, 'emit');
+      component.emitOnly = true;
+      component.selectObject(item);
+    });
+    it('should call the close and navigate method on the component with the given DSO', () => {
+      expect(component.close).toHaveBeenCalled();
+      expect(component.select.emit).toHaveBeenCalledWith(item);
+    });
+  });
+
   describe('close', () => {
     beforeEach(() => {
       component.close();
@@ -113,6 +128,19 @@ describe('DSOSelectorModalWrapperComponent', () => {
       expect(component.close).toHaveBeenCalled();
     });
   });
+
+  describe('should find route data', () => {
+    beforeEach(() => {
+      spyOn(component, 'findRouteData');
+      component.ngOnInit();
+    });
+    it('should call the findRouteData method on the component', () => {
+      expect(component.findRouteData).toHaveBeenCalled();
+    });
+    it('should return undefined', () => {
+      expect(component.findRouteData((route) => hasValue(route.data), {} as unknown as ActivatedRouteSnapshot)).toEqual(undefined);
+    });
+  });
 });
 
 @Component({
diff --git a/src/app/shared/input-suggestions/filter-suggestions/filter-input-suggestions.component.spec.ts b/src/app/shared/input-suggestions/filter-suggestions/filter-input-suggestions.component.spec.ts
index 6a0324d2ac..6a67d84c28 100644
--- a/src/app/shared/input-suggestions/filter-suggestions/filter-input-suggestions.component.spec.ts
+++ b/src/app/shared/input-suggestions/filter-suggestions/filter-input-suggestions.component.spec.ts
@@ -54,4 +54,31 @@ describe('FilterInputSuggestionsComponent', () => {
       expect(comp.onClickSuggestion).toHaveBeenCalledWith(suggestions[clickedIndex]);
     });
   });
+
+  describe('component methods', () => {
+    const testData = {
+      value: 'test-field'
+    } as unknown as any;
+
+    beforeEach(() => {
+      spyOn(comp.submitSuggestion, 'emit');
+      spyOn(comp.clickSuggestion, 'emit');
+      spyOn(comp, 'close');
+    });
+
+    it('should properly submit', () => {
+      comp.onSubmit(testData);
+      expect(comp.submitSuggestion.emit).toHaveBeenCalledWith(testData);
+      expect(comp.value).toBe(testData);
+    });
+
+    it('should update value on suggestion clicked', () => {
+      comp.onClickSuggestion(testData);
+      expect(comp.clickSuggestion.emit).toHaveBeenCalledWith(testData);
+      expect(comp.value).toBe(testData.value);
+      expect(comp.blockReopen).toBeTruthy();
+      expect(comp.close).toHaveBeenCalled();
+    });
+  });
+
 });