Files
gitea-mirror/docs/testing.md
Arunavo Ray 894be88a28 feat: migrate testing framework to Bun and update test configurations
- Updated GitHub Actions workflow to use Bun's test runner and coverage reporting.
- Added comprehensive testing documentation for the Gitea Mirror project.
- Refactored test scripts in package.json to align with Bun's testing commands.
- Created new test files for database, Gitea, GitHub, health, and mirroring APIs.
- Implemented mock functions for API tests to handle various scenarios and responses.
- Established a test setup file for consistent test environment configuration.
2025-05-22 18:08:51 +05:30

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# Testing in Gitea Mirror
This document provides guidance on testing in the Gitea Mirror project.
## Current Status
The project now uses Bun's built-in test runner, which is Jest-compatible and provides a fast, reliable testing experience. We've migrated away from Vitest due to compatibility issues with Bun.
## Running Tests
To run tests, use the following commands:
```bash
# Run all tests
bun test
# Run tests in watch mode (automatically re-run when files change)
bun test --watch
# Run tests with coverage reporting
bun test --coverage
```
## Test File Naming Conventions
Bun's test runner automatically discovers test files that match the following patterns:
- `*.test.{js|jsx|ts|tsx}`
- `*_test.{js|jsx|ts|tsx}`
- `*.spec.{js|jsx|ts|tsx}`
- `*_spec.{js|jsx|ts|tsx}`
## Writing Tests
The project uses Bun's test runner with a Jest-compatible API. Here's an example test:
```typescript
// example.test.ts
import { describe, test, expect } from "bun:test";
describe("Example Test", () => {
test("should pass", () => {
expect(true).toBe(true);
});
});
```
### Testing React Components
For testing React components, we use React Testing Library:
```typescript
// component.test.tsx
import { describe, test, expect } from "bun:test";
import { render, screen } from "@testing-library/react";
import MyComponent from "../components/MyComponent";
describe("MyComponent", () => {
test("renders correctly", () => {
render(<MyComponent />);
expect(screen.getByText("Hello World")).toBeInTheDocument();
});
});
```
## Test Setup
The test setup is defined in `src/tests/setup.bun.ts` and includes:
- Automatic cleanup after each test
- Setup for any global test environment needs
## Mocking
Bun's test runner provides built-in mocking capabilities:
```typescript
import { test, expect, mock } from "bun:test";
// Create a mock function
const mockFn = mock(() => "mocked value");
test("mock function", () => {
const result = mockFn();
expect(result).toBe("mocked value");
expect(mockFn).toHaveBeenCalled();
});
// Mock a module
mock.module("./some-module", () => {
return {
someFunction: () => "mocked module function"
};
});
```
## CI Integration
The CI workflow has been updated to use Bun's test runner. Tests are automatically run as part of the CI pipeline.
## Test Coverage
To generate test coverage reports, run:
```bash
bun test --coverage
```
This will generate a coverage report in the `coverage` directory.
## Types of Tests
The project includes several types of tests:
1. **Unit Tests**: Testing individual functions and utilities
2. **API Tests**: Testing API endpoints
3. **Component Tests**: Testing React components
4. **Integration Tests**: Testing how components work together
## Future Improvements
When expanding the test suite, consider:
1. Adding more comprehensive API endpoint tests
2. Increasing component test coverage
3. Setting up end-to-end tests with a tool like Playwright
4. Adding performance tests for critical paths