Affichage version

Signed-off-by: Gato <cedric@goutailler-olivier.fr>

src/app/version/version-api.service.spec.ts

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+import { HttpClient } from '@angular/common/http';
+import { TestBed } from '@angular/core/testing';
+import { of } from 'rxjs';
+import { vi } from 'vitest';
+import { VersionApiService } from './version-api.service';
+
+describe('VersionApiService', () => {
+  let service: VersionApiService;
+  let httpGetMock: ReturnType<typeof vi.fn>;
+
+  beforeEach(() => {
+    httpGetMock = vi.fn();
+
+    TestBed.configureTestingModule({
+      providers: [
+        VersionApiService,
+        { provide: HttpClient, useValue: { get: httpGetMock } },
+      ],
+    });
+
+    service = TestBed.inject(VersionApiService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+
+  it('calls GET /api/version and returns the response', () => {
+    httpGetMock.mockReturnValue(of({ version: '1.2.3' }));
+
+    let result: any;
+    service.getVersion().subscribe((r) => (result = r));
+
+    expect(httpGetMock).toHaveBeenCalledWith('/api/version');
+    expect(result).toEqual({ version: '1.2.3' });
+  });
+});