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Test coverage analysis report #45

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8aaf09e
feat: Add test coverage analysis script and report
cursoragent Dec 16, 2025
4c3b58a
feat: Add comprehensive tests for core components
cursoragent Dec 16, 2025
19fb5c4
Changes made by Agent
cursoragent Dec 16, 2025
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192 changes: 192 additions & 0 deletions TEST_COVERAGE_SUMMARY.md
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# Test Coverage Analysis Report

## Executive Summary

This report provides a comprehensive analysis of test coverage across all test categories: **Unit**, **Integration**, and **E2E** tests.

---

## Overall Coverage Summary

### Combined Coverage (All Tests)
- **Lines Covered**: 81.00% (9,741 / 11,691 lines)
- **Statements**: 83.32% (11,691 total statements)
- **Branches**: 49.89% (471 / 944 branches)
- **Missing Lines**: 1,950 lines

---

## Coverage by Category

### 1. Unit Tests ✅
**Status**: Active (1,051 tests collected)

| Metric | Coverage | Details |
|--------|----------|---------|
| **Lines** | **80.82%** | 9,741 / 11,691 lines covered |
| **Statements** | **83.32%** | 11,691 total statements |
| **Branches** | **49.89%** | 471 / 944 branches covered |
| **Missing Lines** | 1,950 | Lines not covered by tests |

**Test Count**: 1,051 tests collected
- 1,038 passed
- 4 failed
- 9 skipped

**Key Findings**:
- Strong coverage in CLI tools, plugins, and database models
- Some core runtime components need more coverage
- Branch coverage is moderate at ~50%

---

### 2. Integration Tests ⚠️
**Status**: No tests found

| Metric | Coverage | Details |
|--------|----------|---------|
| **Lines** | **5.30%** | 276 / 4,324 lines (only test infrastructure) |
| **Statements** | **6.38%** | 4,324 total statements |
| **Branches** | **0.00%** | 0 / 880 branches |
| **Missing Lines** | 4,048 | No actual integration tests exist |

**Test Count**: 0 tests

**Key Findings**:
- Integration test directory exists but contains no test files
- Only test infrastructure files (conftest.py, __init__.py) are being measured
- **Action Required**: Create integration tests for cross-component interactions

---

### 3. E2E Tests ⚠️
**Status**: No tests found

| Metric | Coverage | Details |
|--------|----------|---------|
| **Lines** | **5.30%** | 276 / 4,324 lines (only test infrastructure) |
| **Statements** | **6.38%** | 4,324 total statements |
| **Branches** | **0.00%** | 0 / 880 branches |
| **Missing Lines** | 4,048 | No actual E2E tests exist |

**Test Count**: 0 tests

**Key Findings**:
- E2E test directory exists but contains no test files
- Only test infrastructure files are being measured
- **Action Required**: Create end-to-end tests for full system workflows

---

## Detailed Coverage Breakdown

### Files with 100% Coverage (Unit Tests)
- `cli/__init__.py`
- `common/__init__.py`
- `database/__init__.py`
- `database/models.py` (52 statements)
- `database/operations/__init__.py`
- `plugins/fake_plugin/__init__.py`
- `plugins/telegram/__init__.py`
- `plugins/telegram/handlers.py` (82 statements)
- `plugins/telegram/settings.py` (23 statements)
- `plugins/telegram_bot/__init__.py`
- `plugins/telegram_bot/handlers.py` (75 statements)
- `plugins/telegram_bot/message_handler.py` (60 statements)
- `plugins/web_chat/__init__.py`
- `plugins/web_chat/message_handler.py` (54 statements)
- `runtime/__init__.py`
- `runtime/core/__init__.py`

### Files with High Coverage (90%+) (Unit Tests)
- `cli/utool.py`: 97.59%
- `plugins/web_chat/plugin.py`: 97.30%
- `cli/ctool.py`: 96.72%
- `cli/qtool.py`: 96.36%
- `cli/settings.py`: 91.33%
- `plugins/web_chat/settings.py`: 90.91%
- `plugins/fake_plugin/plugin.py`: 88.37%
- `runtime/core/letta_client.py`: 87.10%
- `common/telegram_markdown.py`: 85.71%

### Files Needing More Coverage (< 50%) (Unit Tests)
- `plugins/web_chat/simple_test.py`: 0.00%
- `run_tests.py`: 0.00%
- `database/operations/users.py`: 21.68%
- `runtime/core/queue.py`: 21.79%
- `common/config.py`: 34.54%
- `common/exceptions.py`: 36.92%
- `plugins/telegram/message_handler.py`: 38.37%
- `main.py`: 45.51%
- `plugins/telegram_bot/plugin.py`: 45.61%
- `database/operations/shared.py`: 46.03%
- `tests/conftest.py`: 46.39%
- `database/operations/messages.py`: 47.92%

---

## Recommendations

### Immediate Actions
1. **Create Integration Tests**: The integration test directory is empty. Add tests for:
- Cross-component interactions
- Database operations with real connections
- Plugin system integration
- Message queue operations

2. **Create E2E Tests**: The E2E test directory is empty. Add tests for:
- Full user workflows
- Complete message processing pipelines
- System startup and shutdown
- Error recovery scenarios

3. **Improve Branch Coverage**: Current branch coverage is 49.89%. Focus on:
- Error handling paths
- Conditional logic in core components
- Edge cases in database operations

4. **Address Low Coverage Files**:
- `runtime/core/queue.py` (21.79%) - Critical component
- `database/operations/users.py` (21.68%) - Database operations
- `common/config.py` (34.54%) - Configuration management
- `main.py` (45.51%) - Application entry point

### Long-term Goals
- Achieve 90%+ line coverage across all categories
- Achieve 70%+ branch coverage
- Maintain 100% coverage for critical components
- Establish integration and E2E test suites

---

## Test Statistics

### Unit Tests
- **Total Tests**: 1,051
- **Passed**: 1,038
- **Failed**: 4
- **Skipped**: 9
- **Test Files**: 50+ test files across multiple modules

### Integration Tests
- **Total Tests**: 0
- **Test Files**: 0

### E2E Tests
- **Total Tests**: 0
- **Test Files**: 0

---

## Coverage Metrics Explained

- **Lines Covered**: Percentage of executable lines that were executed during tests
- **Statements**: Individual statements in the code (similar to lines but more precise)
- **Branches**: Conditional branches (if/else, try/except, etc.) that were tested
- **Functions**: Function definitions (not currently measured in this report)

---

*Report generated on: $(date)*
*Coverage tool: pytest-cov*
*Analysis script: analyze_test_coverage.py*
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