unit-test-agent-4j

# Unit Test Agent 4j

An AI-powered Java unit test generation agent. Automatically generates high-quality JUnit 5 + Mockito tests.

[![Java](https://img.shields.io/badge/Java-21+-blue.svg)](https://openjdk.java.net/)
[![Maven](https://img.shields.io/badge/Maven-3.8+-red.svg)](https://maven.apache.org/)
[![Version](https://img.shields.io/badge/Version-2.2.0-green.svg)](https://github.com/codelogickeep/unit-test-agent-4j)
[![License](https://img.shields.io/badge/License-Apache%202.0-green.svg)](LICENSE)

## Features

- 🤖 **Multi-LLM Support** - OpenAI, Anthropic, DeepSeek, Zhipu AI
- 🔧 **Self-Healing** - Auto-fixes compilation errors and test failures
- 📊 **Coverage-Driven** - Analyzes coverage and supplements missing tests
- 🔄 **Iterative Mode** - Generates tests one method at a time
- ✅ **LSP Syntax Check** - Optional semantic analysis before compile
- 🔄 **Dynamic Phase Switching** - Saves 40-60% tokens (v2.2.0)

## Quick Install

### Linux / macOS

```bash
curl -sSL https://raw.githubusercontent.com/codelogickeep/unit-test-agent-4j/main/build.sh | bash
export PATH="$PATH:$HOME/.utagent"
```

### Windows (PowerShell 7+)

```powershell
irm https://raw.githubusercontent.com/codelogickeep/unit-test-agent-4j/main/build.ps1 | iex
```

---

## Workflow

```
┌─────────────┐   ┌─────────────┐   ┌─────────────┐   ┌─────────────┐
│  Analysis   │ → │ Generation  │ → │Verification │ → │   Repair    │
│ Read source │   │ Write tests │   │Compile/Test │   │ Fix errors  │
└─────────────┘   └─────────────┘   └─────────────┘   └─────────────┘
                                            │                │
                                            └────────────────┘
                                              Loop until pass
```

1. **Analysis** - Read and analyze source code (AST, dependencies, complexity)
2. **Generation** - Generate test code based on patterns and knowledge base
3. **Verification** - Compile, run tests, check coverage
4. **Repair** - Auto-fix failures, repea