resolve todos in website

core/identity/application/use-cases/StartAuthUseCase.test.ts

@@ -0,0 +1,35 @@
+import { describe, it, expect, vi, type Mock } from 'vitest';
+import { StartAuthUseCase } from './StartAuthUseCase';
+import type { IdentityProviderPort } from '../ports/IdentityProviderPort';
+import type { StartAuthCommandDTO } from '../dto/StartAuthCommandDTO';
+
+describe('StartAuthUseCase', () => {
+  let provider: {
+    startAuth: Mock;
+  };
+  let useCase: StartAuthUseCase;
+
+  beforeEach(() => {
+    provider = {
+      startAuth: vi.fn(),
+    };
+
+    useCase = new StartAuthUseCase(provider as unknown as IdentityProviderPort);
+  });
+
+  it('delegates to the identity provider to start auth', async () => {
+    const command: StartAuthCommandDTO = {
+      redirectUri: 'https://app/callback',
+      provider: 'demo',
+    };
+
+    const expected = { redirectUrl: 'https://auth/redirect', state: 'state-123' };
+
+    provider.startAuth.mockResolvedValue(expected);
+
+    const result = await useCase.execute(command);
+
+    expect(provider.startAuth).toHaveBeenCalledWith(command);
+    expect(result).toEqual(expected);
+  });
+});