raceplanner/openspec/changes/add-tests/specs/frontend-unit-tests/spec.md at dfb640539291646f44f539d8c323af582290a7bc

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Denis Urs Rudolph 571fe5bc7c Add comprehensive test suite infrastructure

- Create backend xUnit test project with Moq and FluentAssertions
- Add test utilities: TestDataFactory, MockHttpContext, TestUserClaims
- Create AuthControllerTests with comprehensive auth scenarios
- Install Jest and React Testing Library for frontend
- Configure jest.config.ts and jest.setup.ts with Next.js support
- Add test scripts to package.json

2026-04-05 22:16:44 +02:00

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ADDED Requirements

Requirement: Jest is configured

The system SHALL have Jest configured for the Next.js frontend with TypeScript support.

Scenario: Jest runs TypeScript tests

WHEN a test file with .test.ts or .test.tsx extension is executed
THEN Jest SHALL compile and run TypeScript tests successfully

Scenario: Jest runs in Next.js environment

WHEN tests import Next.js modules or use Next.js APIs
THEN the test environment SHALL provide necessary Next.js mocks and configuration

Requirement: React Testing Library is configured

The system SHALL have React Testing Library configured for component testing.

Scenario: Components can be rendered in tests

WHEN a React component is rendered using render() from RTL
THEN the component SHALL render in a virtual DOM for testing

Scenario: User interactions can be simulated

WHEN test code uses userEvent or fireEvent
THEN user interactions SHALL be simulated on rendered components

Requirement: Custom hooks can be tested

The system SHALL provide utilities for testing custom React hooks.

Scenario: Hook can be tested with renderHook

WHEN a custom hook is tested using renderHook utility
THEN the hook SHALL execute and return values can be asserted

Scenario: Hook state changes can be awaited

WHEN a hook performs async operations
THEN the test SHALL be able to wait for state updates with waitFor utility

Requirement: API mocking is available

The system SHALL provide utilities for mocking HTTP requests in frontend tests.

Scenario: API calls can be mocked

WHEN components make HTTP requests using fetch or axios
THEN the test SHALL be able to mock responses using MSW or jest-fetch-mock

Scenario: Loading states can be tested

WHEN components are fetching data
THEN the test SHALL verify loading states are rendered correctly

Scenario: Error states can be tested

WHEN API calls fail
THEN the test SHALL verify error handling and error messages

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