# Unit Test Generation Summary
## Overview
Generated comprehensive unit tests for all modified files in the current branch compared to `main`.
## Files Analyzed (Git Diff)
Based on `git diff main..HEAD`, the following files were modified:
| File | Type | Changes |
|------|------|---------|
| `agent/cli.py` | Modified | Added Ollama provider support |
| `agent/core/agent.py` | Modified | Added system prompt, improved tool arg handling |
| `agent/models/__init__.py` | Modified | Added ollama to exports |
| `agent/models/ollama.py` | **New** | New Ollama model provider |
| `agent/tools/builtin.py` | Modified | Added math.calc, web.get, web.search tools |
| `pyproject.toml` | Modified | Added ollama dependency |
| `requirements.txt` | **New** | Added package requirements |
## Test Files Created
### 1. `tests/unit/test_agent_cli.py`
**Coverage:** `agent/cli.py`
- **13 test methods** across 2 test classes
- Tests build_agent() function with all providers
- Tests main() CLI entry point
- Tests argument parsing and REPL mode
**Key Test Cases:**
- ✅ Default echo provider
- ✅ OpenAI provider with default/custom models
- ✅ Ollama provider with default/custom models
- ✅ Tool registry setup verification
- ✅ One-shot message execution
- ✅ Multi-word prompt handling
- ✅ REPL mode with exit/quit/EOF
### 2. `tests/unit/test_agent_core.py`
**Coverage:** `agent/core/agent.py`
- **11 test methods** across 4 test classes
- Tests AgentConfig dataclass
- Tests Agent initialization and ask() method
- Tests new system prompt feature
- Tests tool calling with argument normalization
**Key Test Cases:**
- ✅ AgentConfig defaults and customization
- ✅ System prompt injection (once only)
- ✅ System prompt omission when None
- ✅ Tool argument normalization (JSON strings, None, non-dict)
- ✅ Max steps enforcement
- ✅ Message memory management
### 3. `tests/unit/test_ollama_model.py`
**Coverage:** `agent/models/ollama.py` (new file)
- **11 test methods** across 2 test classes
- Tests OllamaModel initialization
- Tests complete() method and HTTP interactions
- Tests environment variable handling
**Key Test Cases:**
- ✅ Default model (llama3.1)
- ✅ Custom model names
- ✅ Base URL from environment (OLLAMA_BASE_URL)
- ✅ HTTP request structure and parameters
- ✅ Message role conversion (tool/unknown → user)
- ✅ Error handling (missing requests library)
- ✅ Response parsing edge cases
### 4. `tests/unit/test_builtin_tools_new.py`
**Coverage:** `agent/tools/builtin.py` (new tools)
- **14 test methods** across 3 test classes
- Tests math.calc tool
- Tests web.get tool
- Tests web.search tool
**Key Test Cases:**
- ✅ Math operations: +, -, *, /, //, %, **
- ✅ Expression precedence and parentheses
- ✅ Error handling (empty, invalid, division by zero)
- ✅ Security (no variables/functions allowed)
- ✅ Web GET with URL validation
- ✅ Web search with result limits (1-10)
## Test Statistics
| Metric | Value |
|--------|-------|
| **Total Test Files** | 4 |
| **Total Test Classes** | 11 |
| **Total Test Methods** | 49 |
| **Estimated Lines of Code** | ~780 |
### Test Distribution by File