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feat(mcp): AI Testing Infrastructure #65
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Overview
Implement specialized testing infrastructure for AI/LLM systems that handles the unique challenges of testing non-deterministic behavior. Traditional testing doesn't work for AI - we need deterministic test modes, golden tests, regression suites for prompts, and benchmark frameworks.
Parent Epic
Why This Is Critical
The Problem
The Solution
A specialized testing framework that:
Implementation Sub-Tasks
1. Project Setup & Architecture
backend/src/mcp_core/testing/directory__init__.pywith public API exportsframework.pywithAITestFrameworkclassconfig.pywith Pydantic settings2. Deterministic Mode
deterministic/mode.pywith deterministic testing3. Response Recording & Playback
recording/recorder.pywith recording logic4. Golden Test Framework
golden/framework.pywith golden testing5. Semantic Evaluation
evaluation/semantic.pywith semantic evaluation6. LLM-as-Judge Evaluation
evaluation/llm_judge.pywith LLM evaluation7. Regression Testing
regression/detector.pywith regression detection8. Benchmark Framework
benchmark/framework.pywith benchmarking9. Test Data Generation
data/generator.pywith test data generation10. Chaos Testing for AI
chaos/runner.pywith chaos testing11. A/B Testing Framework
ab/framework.pywith A/B testing12. Test Fixtures & Utilities
fixtures/llm.pywith LLM fixtures13. Coverage Analysis
coverage/analyzer.pywith coverage analysis14. CI/CD Integration
ci/runner.pywith CI integration15. Pytest Plugin
pytest_ai/plugin.pywith pytest plugin@pytest.mark.ai_testmarker@pytest.mark.goldenmarker@pytest.mark.benchmarkmarker--ai-deterministicflag--ai-recordflag--ai-playbackflag--ai-baseline-updateflag16. Metrics & Reporting
ai_tests_passed_totalcounterai_tests_failed_totalcounterbenchmark_scoresgaugesregression_detected_totalcounter17. Testing
18. Documentation
Technical Specifications
Deterministic Mode Architecture
Golden Test Schema
Benchmark Schema
Evaluation Rubric Example
Acceptance Criteria
Labels
phase-2,mcp,backend,testing,qualityMilestone
Phase 2: MCP Integration