Tests for backend & frontend

[r1ckshot]

• Додав testy jednostkowe i integracyjne для бекенду та фронтенду.

• Зробив це для того, щоб показати Бадуровічу на проекті ну і перевірити чи все працює))

[Copilot]

Pull Request Overview

This PR adds comprehensive unit and integration tests for both the backend (Java/Spring Boot) and frontend (React/TypeScript) of the anomaly detection application.

• Introduces Jest configuration with MSW (Mock Service Worker) for frontend API mocking
• Adds unit tests for authentication, audio processing, and WebSocket functionality
• Implements integration tests that verify the interaction between multiple components
• Configures test infrastructure including polyfills, mocks, and test data sources

Reviewed Changes

Copilot reviewed 22 out of 23 changed files in this pull request and generated 9 comments.

Show a summary per file

File	Description
frontend/src/setupTests.ts	Configures Jest test environment with MSW server and react-i18next mocks
frontend/src/mocks/handlers.ts	Defines MSW request handlers for mocking API endpoints in tests
frontend/src/tests/useWebSocketIntegration.test.ts	Integration tests for WebSocket context functionality
frontend/src/tests/useWebSocket.test.ts	Unit tests for WebSocket hook with pause/resume functionality
frontend/src/tests/apiIntegration.test.ts	Integration tests for API service with authorization
frontend/src/tests/api.test.ts	Unit tests for API service request handling
frontend/src/tests/AuthContextIntegration.test.ts	Integration tests for authentication context flows
frontend/src/tests/AuthContext.test.ts	Unit tests for authentication context login/logout
frontend/src/tests/AudioUploadIntegration.test.tsx	Integration tests for audio upload component
frontend/src/tests/AudioUpload.test.tsx	Unit tests for audio upload component rendering
frontend/src/App.test.tsx	Removes default create-react-app test file
frontend/package.json	Adds test dependencies: msw, jest-fetch-mock, undici, web-streams-polyfill
frontend/jest.polyfills.js	Provides polyfills for Node.js APIs needed by test environment
frontend/craco.config.js	Configures Jest with custom transforms, module mappings, and polyfills
frontend/mocks/react-router-dom.tsx	Mock implementation of react-router-dom for testing
backend/src/test/resources/application.yml	Test configuration with H2 in-memory database and test JWT settings
backend/src/test/java/com/anomaly/detection/util/JwtUtilTest.java	Unit tests for JWT token generation and validation
backend/src/test/java/com/anomaly/detection/service/AuthServiceTest.java	Unit tests for authentication service with mocked dependencies
backend/src/test/java/com/anomaly/detection/service/AuthServiceIntegrationTest.java	Integration tests for authentication service with real database
backend/src/test/java/com/anomaly/detection/service/AudioProcessingServiceTest.java	Unit tests for WAV file validation and parsing
backend/src/test/java/com/anomaly/detection/controller/AudioControllerIntegrationTest.java	Integration tests for audio controller endpoints
backend/pom.xml	Adds test dependencies: Mockito and H2 database
backend/.idea/misc.xml	Updates IDE configuration from JDK 23 to JDK 21

Files not reviewed (1)

• backend/.idea/misc.xml: Language not supported

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.