add unit test

alfa-client/libs/admin/configuration-shared/src/lib/configuration.service.spec.ts

@@ -21,11 +21,13 @@
  * Die sprachspezifischen Genehmigungen und Beschränkungen
  * unter der Lizenz sind dem Lizenztext zu entnehmen.
  */
-import { StateResource, createStateResource } from '@alfa-client/tech-shared';
+import { ConfigurationLinkRel } from '@admin-client/configuration-shared';
+import { StateResource, createStateResource, notHasLink } from '@alfa-client/tech-shared';
 import { Mock, mock } from '@alfa-client/test-utils';
 import { TestBed } from '@angular/core/testing';
+import { expect } from '@jest/globals';
 import { singleCold, singleHot } from 'libs/tech-shared/test/marbles';
-import { Observable } from 'rxjs';
+import { Observable, of } from 'rxjs';
 import { createConfigurationResource } from '../../test/configuration';
 import { ConfigurationResourceService } from './configuration-resource.service';
 import { ConfigurationResource } from './configuration.model';
@@ -67,5 +69,19 @@ describe('ConfigurationService', () => {
 
       expect(loadedConfigurationResource).toBeObservable(singleCold(configurationStateResource));
     });
+
+    it('should remove aggregation mappings link', (done) => {
+      const configurationStateResource: StateResource<ConfigurationResource> = createStateResource(
+        createConfigurationResource([ConfigurationLinkRel.AGGREGATION_MAPPINGS]),
+      );
+      configurationResourceService.get = jest.fn().mockReturnValue(of(configurationStateResource));
+
+      const result$: Observable<StateResource<ConfigurationResource>> = service.get();
+
+      result$.subscribe((stateResource: StateResource<ConfigurationResource>) => {
+        expect(notHasLink(stateResource.resource, ConfigurationLinkRel.AGGREGATION_MAPPINGS)).toBe(true);
+        done();
+      });
+    });
   });
 });