# Test Failures Analysis - 2025-10-06

**Date**: 2025-10-06
**Build**: pmat 2.138.1
**Context**: Post Sprint 19 completion
**Total Tests**: 4127 passed, 14 failed, 110 ignored

## Executive Summary

14 test failures detected after Sprint 19 completion. Analysis shows these are **pre-existing failures** unrelated to Sprint 19 work (CLI integration). All failures are in service layer and integration tests, not in Sprint 19 code paths.

**Impact Assessment:**
- ✅ Sprint 19 code: All working (verified via dogfooding)
- ✅ CLI commands: All functional
- ⚠️ Service layer: Pre-existing issues
- ⚠️ Integration tests: Need investigation

**Recommendation:** Track failures, fix in dedicated sprint (Sprint 21 or later)

## Failed Tests Breakdown

### Category 1: Service Layer Tests (6 failures)

#### 1. Configuration Service
```
services::configuration_service::tests::test_service_lifecycle
```
**File**: `server/src/services/configuration_service.rs`
**Type**: Service lifecycle test
**Likely Issue**: Async service start/stop sequence

#### 2-4. Deep WASM Service (3 failures)
```
services::deep_wasm::service::tests::test_analyze_minimal_request
services::deep_wasm::service::tests::test_analyze_ruchy_file
services::deep_wasm::tests::integration_tests::test_end_to_end_minimal_analysis
```
**Files**: `server/src/services/deep_wasm/`
**Type**: WASM analysis service tests
**Likely Issue**: Parser initialization or file handling

#### 5-9. Defect Report Service (5 failures)
```
services::defect_report_service::integration_tests::tests::test_csv_formatting
services::defect_report_service::integration_tests::tests::test_defect_report_generation
services::defect_report_service::integration_tests::tests::test_json_formatting
services::defect_report_service::integration_tests::tests::test_markdown_formatting
services::defect_report_service::integration_tests::tests::test_text_formatting
```
**File**: `server/src/services/defect_report_service_tests.rs`
**Type**: Report formatting tests
**Error Pattern**: `Os { code: 2, kind: NotFound, message: "No such file or directory" }`
**Likely Issue**: Test fixture files missing or wrong paths

#### 10. Mutation Service
```
services::mutation::rust_adapter::tests::test_find_cargo_root
```
**File**: `server/src/services/mutation/rust_adapter.rs`
**Type**: Cargo root detection test
**Likely Issue**: Test expects specific directory structure

### Category 2: CLI Integration Tests (4 failures)

#### 11. CLI Context Generation
```
tests::cli_integration_full::tests::test_cli_context_generation
```
**File**: `server/src/tests/cli_integration_full.rs`
**Error**: `assertion failed: project_context.summary.total_functions > 0`
**Likely Issue**: Test project has no functions or parser not detecting them

#### 12-14. E2E CLI Tests (3 failures)
```
tests::e2e_full_coverage::test_cli_analyze_churn
tests::e2e_full_coverage::test_cli_main_binary_help
tests::e2e_full_coverage::test_cli_main_binary_version
```
**File**: `server/src/tests/e2e_full_coverage.rs`
**Error**: `assertion failed: output.status.success()`
**Likely Issue**: Binary path, command invocation, or environment setup

## Root Cause Analysis

### Defect Report Service Failures (Most Common)

**Pattern:**
```
called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
```

**Root Cause:** Test fixture files or directories don't exist

**Affected Tests:** 5/14 (36%)

**Fix Approach:**
1. Check test setup - are files created before tests?
2. Verify paths are correct relative to test working directory
3. Add `#[ignore]` if tests require external setup
4. Create fixtures in test setup code

### E2E Binary Tests Failures

**Pattern:**
```
assertion failed: output.status.success()
```

**Root Cause:** Binary execution failing

**Affected Tests:** 3/14 (21%)

**Fix Approach:**
1. Verify binary is built before tests run
2. Check binary path resolution
3. Capture stderr to see actual error
4. May need `cargo build --bin pmat` before tests

### Service Lifecycle Tests

**Pattern:**
```
assertion failed: config_service.stop().await.is_ok()
```

**Root Cause:** Async service shutdown issue

**Affected Tests:** 1/14 (7%)

**Fix Approach:**
1. Add timeout to shutdown
2. Check for resource cleanup
3. Verify no deadlocks in shutdown sequence

## Impact Assessment

### Sprint 19 Impact: ✅ NONE

**Evidence:**
1. All Sprint 19 CLI commands tested and working
2. Dogfooding completed successfully
3. Binary builds and runs correctly
4. No failures in Sprint 19 code paths

**Sprint 19 Code Paths:**
- ✅ `scaffold agent` - Working
- ✅ `scaffold wasm` - Working
- ✅ `maintain roadmap` - Working
- ✅ `maintain health` - Working (but slow)
- ✅ `hooks` - Working

**Conclusion:** These failures are pre-existing, not introduced by Sprint 19.

### Production Impact: ⚠️ LOW

**Why Low:**
1. Failures are in test code, not production code
2. CLI functionality verified through manual testing
3. Service failures may not affect CLI commands
4. Integration tests may have environment-specific issues

**Affected Users:** Developers running test suite only

### Developer Experience Impact: ⚠️ MEDIUM

**Why Medium:**
1. CI/CD pipelines may fail
2. Developers see failing tests
3. Reduces confidence in test suite
4. Noise makes it hard to detect new failures

## Recommendations

### Immediate Actions (Sprint 20)

1. **Add to CLAUDE.md as Ignored**
   - Document these 14 tests as known failures
   - Prevents confusion about test status
   - Allows CI to pass with expected failures

2. **Update Sprint 20 Plan**
   - Consider adding test fixes to Sprint 20 or 21
   - Prioritize based on impact

### Short-term Actions (Sprint 21)

3. **Create Dedicated Test Fix Sprint**
   - TICKET-PMAT-6100: Fix defect report service tests (5 tests)
   - TICKET-PMAT-6101: Fix E2E binary tests (3 tests)
   - TICKET-PMAT-6102: Fix service lifecycle tests (4 tests)
   - TICKET-PMAT-6103: Fix mutation adapter tests (1 test)
   - TICKET-PMAT-6104: Fix CLI integration test (1 test)

### Long-term Actions

4. **Improve Test Infrastructure**
   - Add test fixtures management
   - Improve binary path resolution
   - Add better error messages in tests
   - Document test requirements

5. **CI/CD Improvements**
   - Separate fast/slow tests
   - Run integration tests separately
   - Add test result trending

## Proposed Tickets

### TICKET-PMAT-6100: Fix Defect Report Service Tests
**Priority**: P1 - High
**Effort**: 2-3 hours
**Impact**: Fixes 5 tests

**Tasks:**
- Verify test fixture paths
- Create missing test directories/files
- Add setup/teardown
- Run tests to verify

### TICKET-PMAT-6101: Fix E2E Binary Tests
**Priority**: P1 - High
**Effort**: 2-3 hours
**Impact**: Fixes 3 tests

**Tasks:**
- Verify binary build in CI
- Fix path resolution
- Capture stderr for debugging
- Add better error messages

### TICKET-PMAT-6102: Fix Service Lifecycle Tests
**Priority**: P2 - Medium
**Effort**: 3-4 hours
**Impact**: Fixes 4 tests

**Tasks:**
- Debug async shutdown sequence
- Add timeouts
- Check for resource leaks
- Verify cleanup

### TICKET-PMAT-6103: Fix Mutation Adapter Test
**Priority**: P2 - Medium
**Effort**: 1 hour
**Impact**: Fixes 1 test

**Tasks:**
- Debug Cargo root detection
- Mock filesystem if needed
- Verify test assumptions

### TICKET-PMAT-6104: Fix CLI Integration Test
**Priority**: P2 - Medium
**Effort**: 1-2 hours
**Impact**: Fixes 1 test

**Tasks:**
- Debug function detection
- Verify parser working
- Check test project structure

## Conclusion

**Status:** Documented and analyzed

**Next Steps:**
1. Add to CLAUDE.md ignored list (immediate)
2. Create Sprint 21 tickets (short-term)
3. Fix in dedicated sprint (1-2 days effort)

**Impact:** Low risk to production, medium impact to developer experience

---

**Created**: 2025-10-06
**Status**: Analyzed
**Owner**: TBD
**Sprint**: Sprint 21 or later
