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96 lines
3.9 KiB
Markdown
96 lines
3.9 KiB
Markdown
# Implementation Plan: Update Test Files to Use time.monotonic()
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## Overview
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Update test utility files to mock `time.monotonic()` instead of `time.time()` to align with the production codebase that has been migrated to use monotonic time for performance measurement and timing operations.
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## Types
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No new types are needed. This is a targeted update to existing test utility functions that mock time-related functions.
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## Files
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### New Files to be Created
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None
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### Existing Files to be Modified
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1. **tests/utils/performance.py** - Update `simulate_slow_operations()` and `simulate_performance_degradation()` functions
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2. **tests/utils/errors.py** - Update `simulate_timeout_errors()` function
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### Files to be Deleted or Moved
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None
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### Configuration File Updates
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None required
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## Functions
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### Modified Functions
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#### tests/utils/performance.py
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**Function: simulate_slow_operations()**
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- **Current**: Patches `time.time` and `time.sleep` to simulate slow operations
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- **Change**: Update to patch `time.monotonic` instead of `time.time`
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- **Impact**: Performance testing utilities will correctly mock monotonic time
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**Function: simulate_performance_degradation()**
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- **Current**: Patches `time.time` to simulate performance degradation
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- **Change**: Update to patch `time.monotonic` instead of `time.time`
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- **Impact**: Performance degradation simulation will use monotonic time
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#### tests/utils/errors.py
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**Function: simulate_timeout_errors()**
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- **Current**: Patches `time.time` and `time.sleep` to simulate timeout errors
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- **Change**: Update to patch `time.monotonic` instead of `time.time`
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- **Impact**: Timeout error simulation will use monotonic time
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## Classes
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No class modifications are required.
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## Dependencies
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No new dependencies are needed. The changes only involve updating existing mock patches to target different time functions.
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## Testing
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### Test File Requirements
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- Verify that existing tests still pass after the changes
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- Ensure that performance testing utilities work correctly with monotonic time
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- Validate that timeout error simulation functions properly
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### Existing Test Modifications
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No existing test modifications are needed as the changes are in utility functions that are used by tests.
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### Validation Strategies
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1. Run the full test suite to ensure no regressions
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2. Specifically test performance utility functions
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3. Test timeout error simulation scenarios
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4. Verify that mocked time behaves correctly in test scenarios
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## Implementation Order
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### Step 1: Update tests/utils/performance.py
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1. Modify `simulate_slow_operations()` function:
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- Change `patch('time.time', side_effect=slow_time)` to `patch('time.monotonic', side_effect=slow_time)`
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- Update the `slow_time()` function to work with monotonic time
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- Ensure the variability calculation is appropriate for monotonic time
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2. Modify `simulate_performance_degradation()` function:
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- Change `patch('time.time', side_effect=degraded_time)` to `patch('time.monotonic', side_effect=degraded_time)`
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- Update the `degraded_time()` function to work with monotonic time
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- Ensure degradation calculations are appropriate for monotonic time
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### Step 2: Update tests/utils/errors.py
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1. Modify `simulate_timeout_errors()` function:
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- Change `patch('time.time', side_effect=slow_time)` to `patch('time.monotonic', side_effect=slow_time)`
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- Update the `slow_time()` function to work with monotonic time
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- Ensure timeout detection logic works correctly with monotonic time
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### Step 3: Test and Validate
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1. Run the full test suite to ensure no regressions
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2. Test specific performance utility functions
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3. Test timeout error simulation scenarios
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4. Verify that all mocked time operations work correctly
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### Step 4: Documentation Update
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1. Update any inline documentation if needed
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2. Add comments explaining the use of monotonic time in test utilities
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3. Ensure the changes are consistent with the production codebase migration
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