wehub-resource-sync
38 lines
2.4 KiB
Markdown
38 lines
2.4 KiB
Markdown
---
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allowed-tools: Read, Write, Edit, Bash
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argument-hint: [coverage-type] | --line | --branch | --function | --statement | --report
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description: Analyze and improve test coverage with comprehensive reporting and gap identification
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---
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# Test Coverage
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Analyze and improve test coverage with detailed reporting and gap analysis: **$ARGUMENTS**
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## Current Coverage Context
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- Test framework: !`find . -name "jest.config.*" -o -name ".nycrc*" -o -name "coverage.xml" | head -1 || echo "Detect framework"`
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- Coverage tools: !`npm ls nyc jest @jest/core 2>/dev/null | grep -E "nyc|jest" | head -2 || echo "No JS coverage tools"`
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- Existing coverage: !`find . -name "coverage" -type d | head -1 && echo "Coverage data exists" || echo "No coverage data"`
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- Test files: !`find . -name "*.test.*" -o -name "*.spec.*" | wc -l` test files
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## Task
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Execute comprehensive coverage analysis with improvement recommendations and reporting:
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**Coverage Type**: Use $ARGUMENTS to focus on line coverage, branch coverage, function coverage, statement coverage, or comprehensive reporting
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**Coverage Analysis Framework**:
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1. **Coverage Tool Setup** - Configure appropriate tools (Jest, NYC, Istanbul, Coverage.py, JaCoCo), setup collection settings, optimize performance, enable reporting
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2. **Coverage Measurement** - Generate line coverage, branch coverage, function coverage, statement coverage reports, identify uncovered code paths
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3. **Gap Analysis** - Identify critical uncovered paths, analyze coverage quality, assess business logic coverage, evaluate edge case handling
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4. **Threshold Management** - Configure coverage thresholds, implement quality gates, setup trend monitoring, enforce minimum standards
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5. **Reporting & Visualization** - Generate detailed reports, create coverage dashboards, implement trend analysis, setup automated notifications
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6. **Improvement Planning** - Prioritize coverage gaps, recommend test additions, identify refactoring opportunities, plan coverage enhancement
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**Advanced Features**: Differential coverage analysis, coverage trend monitoring, integration with code review, automated coverage alerts, performance impact assessment.
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**Quality Insights**: Coverage quality assessment, test effectiveness analysis, maintainability correlation, risk area identification.
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**Output**: Comprehensive coverage analysis with detailed reports, gap identification, improvement recommendations, and quality metrics tracking.
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