tests: added tests for deployment service

frontend/bec_atlas/src/app/deployment.service.spec.ts

@@ -1,26 +1,72 @@
 import { TestBed } from '@angular/core/testing';
-
 import { DeploymentService } from './deployment.service';
 import { provideHttpClient } from '@angular/common/http';
 import { provideHttpClientTesting } from '@angular/common/http/testing';
 import { AppConfigService } from './app-config.service';
+import { Deployment } from './core/model/deployment';
+import { DeploymentDataService } from './core/remote-data.service';
 
 describe('DeploymentService', () => {
   let service: DeploymentService;
+  let deploymentDataService: jasmine.SpyObj<DeploymentDataService>;
+
+  const mockDeployment: Deployment = {
+    _id: 'test-id',
+    name: 'Test Deployment',
+  } as Deployment;
 
   beforeEach(() => {
+    const spy = jasmine.createSpyObj('DeploymentDataService', [
+      'getDeployment',
+    ]);
+    spy.getDeployment.and.returnValue(Promise.resolve(mockDeployment));
+
     TestBed.configureTestingModule({
       providers: [
         provideHttpClient(),
         provideHttpClientTesting(),
         DeploymentService,
         AppConfigService,
+        { provide: DeploymentDataService, useValue: spy },
       ],
     });
     service = TestBed.inject(DeploymentService);
+    deploymentDataService = TestBed.inject(
+      DeploymentDataService
+    ) as jasmine.SpyObj<DeploymentDataService>;
   });
 
   it('should be created', () => {
     expect(service).toBeTruthy();
   });
+
+  it('should update deployment when valid ID is provided', async () => {
+    await service.update_deployment('test-id');
+    expect(deploymentDataService.getDeployment).toHaveBeenCalledWith('test-id');
+    expect(service.selectedDeployment.value).toEqual(mockDeployment);
+  });
+
+  it('should clear selected deployment when null ID is provided', async () => {
+    await service.update_deployment(null);
+    expect(service.selectedDeployment.value).toBeNull();
+  });
+
+  it('should save deployment to session storage when selecting deployment', () => {
+    spyOn(sessionStorage, 'setItem');
+    service.selectDeployment(mockDeployment);
+    expect(sessionStorage.setItem).toHaveBeenCalledWith(
+      'selected_deployment',
+      'test-id'
+    );
+    expect(service.selectedDeployment.value).toEqual(mockDeployment);
+  });
+
+  it('should remove deployment from session storage when clearing selection', () => {
+    spyOn(sessionStorage, 'removeItem');
+    service.selectDeployment(null);
+    expect(sessionStorage.removeItem).toHaveBeenCalledWith(
+      'selected_deployment'
+    );
+    expect(service.selectedDeployment.value).toBeNull();
+  });
 });