Add Property Based Testing
Implement property-based testing with framework selection and invariant identification
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cli-tool/components/commands/testing/add-property-based-testing.md
--- allowed-tools: Read, Write, Edit, Bash argument-hint: [language] | --javascript | --python | --java | --haskell | --rust | --clojure description: Implement property-based testing with framework selection and invariant identification --- # Add Property-Based Testing Implement property-based testing framework with invariant analysis and test generation: **$ARGUMENTS** ## Current Testing Context - Language: !`find . -name "*.js" -o -name "*.ts" | head -1 >/dev/null && echo "JavaScript/TypeScript" || find . -name "*.py" | head -1 >/dev/null && echo "Python" || echo "Multi-language"` - Test framework: !`find . -name "jest.config.*" -o -name "pytest.ini" | head -1 || echo "Detect framework"` - Mathematical functions: Analysis of codebase for property-testable functions - Business logic: Identification of invariants and properties in domain logic ## Task Implement comprehensive property-based testing with invariant analysis and automated test generation: **Language Focus**: Use $ARGUMENTS to specify JavaScript, Python, Java, Haskell, Rust, Clojure, or auto-detect from codebase **Property-Based Testing Framework**: 1. **Framework Selection** - Choose appropriate tool (fast-check, Hypothesis, QuickCheck, proptest), install dependencies, configure integration 2. **Property Identification** - Analyze mathematical properties, identify business invariants, discover symmetries, evaluate round-trip properties 3. **Generator Design** - Create custom data generators, implement constraint-based generation, design composite generators, optimize generation strategies 4. **Property Implementation** - Write property tests, implement preconditions, design postconditions, create invariant checks 5. **Shrinking Configuration** - Configure test case shrinking, optimize failure minimization, implement custom shrinkers, enhance debugging 6. **Integration & Reporting** - Integrate with existing test suite, configure reporting, setup CI integration, optimize execution performance **Advanced Features**: Stateful property testing, model-based testing, custom generators, parallel property execution, performance property testing. **Quality Assurance**: Property completeness analysis, edge case coverage, performance optimization, maintainability assessment. **Output**: Complete property-based testing setup with identified properties, custom generators, integrated test suite, and performance optimization.
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MIT License Copyright (c) 2025 Daniel (San) Ávila Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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