Tests for pid.py #1935
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Tests for pid.py #1935
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- Add 35 UAT tests organized into 4 test classes by testing level - TestPIDUserAcceptance: 6 core Level 2 tests for user workflows - TestPIDTechnicalRobustness: 4 Level 3+ security/stress tests - TestPIDAlgorithmDetails: 15 Level 3+ algorithm implementation tests - TestPIDIntegrationScenarios: 10 Level 3+ integration/edge case tests - Achieve 90% test coverage of pid.py module - Fix all quality gate issues (ruff, pylint, mypy, pyright) - Validate Level 4 security: defense against untrusted peripherals - Follow SDET best practices: AAA pattern, proper mocking, type safety - Ensure all tests pass reliably with proper time mocking and error handling Tests answer core UAT question: "Can coffee roasters successfully use this PID to roast coffee safely and effectively?"
Add comprehensive destructive testing suite with 9 new tests across 3 attack vectors: - Data fuzzing with Hypothesis property-based testing and extreme float values - Resource exhaustion through memory/CPU flooding and concurrency storms - Sequence breaking via uninitialized access and reentrancy attacks Key features: • TestPIDDestructiveDataFuzzing: Hypothesis fuzzing, overflow attacks, state corruption • TestPIDDestructiveResourceExhaustion: Memory exhaustion, CPU flooding, deadlock detection • TestPIDDestructiveSequenceBreaking: Uninitialized access, race conditions, reentrancy All destructive tests marked @pytest.mark.xfail with vulnerability documentation and detailed remediation suggestions for development team review. Results: 4 XFAIL (expected vulnerabilities), 4 XPASS (robust implementation) Coverage: Validates Level 5+ security scenarios beyond normal operational parameters Quality: Passes all gates (ruff, pylint, mypy, pyright) with optimized execution times
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✅ Build artisan ea557aa (1606) completed (commit ea557aa941 by @chrisburrc) |
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Thanks for those tests! I integrated them test/uat, but commented the 4 XFAIL which are not too relevant for this project. The new pid algo succeeds on all of them. So I will close this PR. |
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🎯 Comprehensive PID Controller Test Suite Implementation
Executive Summary
This PR establishes a production-ready test suite for Artisan's PID controller, implementing both Level 2 User Acceptance Testing and Level 3 Destructive Testing methodologies. The work delivers 44 comprehensive tests across 7 test classes with 90% code coverage, ensuring the PID system meets both user requirements and enterprise security standards.
🏗️ Test Architecture & Organization
Level 2 User Acceptance Testing (35 tests)
TestPIDUserAcceptance(6 tests): Core user workflows - "Can coffee roasters successfully use this PID?"TestPIDTechnicalRobustness(4 tests): Security hardening and stress testingTestPIDAlgorithmDetails(15 tests): Algorithm implementation validationTestPIDIntegrationScenarios(10 tests): Complex integration and edge casesLevel 3 Destructive Testing (9 tests)
TestPIDDestructiveDataFuzzing(3 tests): Hypothesis property-based testing, overflow attacksTestPIDDestructiveResourceExhaustion(3 tests): Memory/CPU exhaustion, deadlock detectionTestPIDDestructiveSequenceBreaking(3 tests): State corruption, reentrancy attacks🔍 Critical Insights & Learnings
✅ PID Robustness Validation
🛡️ Security Posture Enhancement