NestJS Testing

Priority: P2 (MAINTENANCE)

Structure

src/**/*.spec.ts      # Unit tests (isolated logic)
test/**/*.e2e-spec.ts # E2E tests (full app flows)

Unit Testing

• Setup: Use Test.createTestingModule() with mocked providers
• Mocks: Mock all dependencies via { provide: X, useValue: mockX }
• Pattern: AAA (Arrange-Act-Assert)
• Cleanup: Call jest.clearAllMocks() in afterEach

E2E Testing