# P2 Priority Tests Summary
## Overview
Created comprehensive test suites for P2 priority features:
1. Cloud Backend Retry Configuration
2. asyncio.to_thread Error Propagation
## Test Results
### Tests Created: 32 total
- **Passing**: 30 tests (93.75%)
- **Failing (Expected - RED phase)**: 2 tests (6.25%)
## Test Suite 1: Cloud Retry Configuration
**File**: `/Users/gregorydickson/memory-graph/tests/test_cloud_retry_config.py`
### Test Classes
#### TestCloudRetryConfig (11 tests - ALL PASSING)
Tests for Config class retry parameters:
- `test_default_max_retries` - Verifies CLOUD_MAX_RETRIES default = 3
- `test_default_retry_backoff` - Verifies CLOUD_RETRY_BACKOFF_BASE default = 1.0
- `test_default_circuit_breaker_threshold` - Verifies CLOUD_CIRCUIT_BREAKER_THRESHOLD default = 5
- `test_default_circuit_breaker_timeout` - Verifies CLOUD_CIRCUIT_BREAKER_TIMEOUT default = 60.0
- `test_config_values_are_correct_types` - Type validation (int/float)
- `test_env_override_max_retries` - MEMORYGRAPH_MAX_RETRIES env var
- `test_env_override_retry_backoff` - MEMORYGRAPH_RETRY_BACKOFF env var
- `test_env_override_circuit_breaker_threshold` - MEMORYGRAPH_CB_THRESHOLD env var
- `test_env_override_circuit_breaker_timeout` - MEMORYGRAPH_CB_TIMEOUT env var
- `test_env_override_all_retry_config` - All env vars together
- `test_config_attributes_exist` - Attribute existence check
#### TestCloudBackendUsesConfig (3 tests - 1 PASSING, 2 FAILING)
Tests for CloudRESTAdapter using Config values:
- `test_cloud_backend_default_circuit_breaker_values` - ✅ PASSING
- `test_cloud_backend_uses_config_circuit_breaker_values` - ❌ FAILING (RED phase)
- **Expected**: Circuit breaker uses Config.CLOUD_CIRCUIT_BREAKER_THRESHOLD
- **Actual**: Hardcoded to 5
- `test_cloud_backend_respects_config_changes` - ❌ FAILING (RED phase)
- **Expected**: New instances pick up Config changes
- **Actual**: Always uses hardcoded value 5
#### TestConfigValueValidation (6 tests - ALL PASSING)
Tests for config value validation:
- `test_invalid_max_retries_int_conversion` - Invalid int raises ValueError
- `test_invalid_retry_backoff_float_conversion` - Invalid float raises ValueError
- `test_invalid_cb_threshold_int_conversion` - Invalid int raises ValueError
- `test_invalid_cb_timeout_float_conversion` - Invalid float raises ValueError
- `test_zero_values_are_valid` - Zero values accepted
- `test_negative_values_are_valid` - Negative values accepted (validation at usage)
## Test Suite 2: asyncio.to_thread Error Propagation
**File**: `/Users/gregorydickson/memory-graph/tests/test_asyncio_error_propagation.py`
### Test Class: TestAsyncioToThreadErrorPropagation (12 tests - ALL PASSING)
Tests for error propagation through asyncio.to_thread wrapper:
1. `test_database_error_propagates_through_to_thread` - ✅
- Verifies DatabaseConnectionError propagates when connection closed
2. `test_validation_error_propagates` - ✅
- Verifies ValidationError propagates for invalid operations
3. `test_memory_not_found_propagates` - ✅
- Verifies get_memory returns None for non-existent IDs
- Verifies delete_memory returns False for non-existent IDs
4. `test_concurrent_operations_handle_errors` - ✅
- Verifies concurrent read operations work correctly
- Tests asyncio.gather with multiple memory reads
5. `test_exception_type_preserved` - ✅
- Verifies specific exception types preserved through asyncio.to_thread
- Ensures ValidationError not wrapped or transformed
6. `test_concurrent_writes_error_handling` - ✅
- Tests sequential write operations (SQLite limitation)
- Verifies all writes succeed
7. `test_error_during_concurrent_operations` - ✅
- Tests concurrent read operations
- Verifies no cross-contamination of errors
8. `test_database_locked_error_handling` - ✅
- Tests sequential writes to avoid SQLite threading issues
- Verifies 20 sequential writes succeed
9. `test_error_traceback_preserved` - ✅
- Verifies error tracebacks preserved through asyncio.to_thread
- Checks traceback contains relevant file/function names
10. `test_multiple_sequential_errors` - ✅
- Verifies multiple sequential errors handled correctly
- All raise same error type
11. `test_error_after_successful_operations` - ✅
- Tests error handling after successful operations
- Verifies state transitions work correctly
12. `test_validation_error_with_detailed_message` - ✅
- Verifies ValidationError preserves detailed error messages
- Checks message contains relevant context
## Next Steps (GREEN Phase)
### To fix the 2 failing tests:
**File**: `src/memorygraph/backends/cloud_backend.py`
**Line**: 208
Change:
```python
self._circuit_breaker = CircuitBreaker(failure_threshold=5, recovery_timeout=60.0)
```
To:
```python
self._circuit_breaker = CircuitBreaker(
failure_threshold=Config.CLOUD_CIRCUIT_BREAKER_THRESHOLD,
recovery_timeout=Config.CLOUD_CIRCUIT_BREAKER_TIMEOUT
)
```
This will make the CloudRESTAdapter read circuit breaker configuration from Config instead of hardcoding values.
## Test Coverage Summary
### Cloud Retry Config Coverage
- ✅ Config attribute existence
- ✅ Default values
- ✅ Environment variable overrides
- ✅ Type conversion (int/float)
- ✅ Invalid value handling
- ✅ Edge cases (zero, negative)
- ⏳ CloudRESTAdapter integration (2 tests in RED phase)
### asyncio.to_thread Error Propagation Coverage
- ✅ DatabaseConnectionError propagation
- ✅ ValidationError propagation
- ✅ MemoryNotFoundError handling
- ✅ Concurrent read operations
- ✅ Sequential write operations
- ✅ Exception type preservation
- ✅ Traceback preservation
- ✅ Error message preservation
- ✅ State transitions
- ✅ Multiple sequential errors
## Commands to Run Tests
```bash
# Run P2 tests only
python3 -m pytest tests/test_cloud_retry_config.py tests/test_asyncio_error_propagation.py -v
# Run with specific markers
python3 -m pytest tests/ -k "CloudRetryConfig or AsyncioToThread" -v --tb=short
# Run full test suite
python3 -m pytest tests/ -q --tb=short
```
## Files Created
1. `/Users/gregorydickson/memory-graph/tests/test_cloud_retry_config.py` - 20 tests
2. `/Users/gregorydickson/memory-graph/tests/test_asyncio_error_propagation.py` - 12 tests
Total: 32 new tests, 30 passing, 2 in RED phase (expected - TDD)
