Babysitter Code Coverage Analysis

Multi-language code coverage analysis, reporting, and quality gate enforcement

install

source · Clone the upstream repo

git clone https://github.com/a5c-ai/babysitter

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/a5c-ai/babysitter "$T" && mkdir -p ~/.claude/skills && cp -r "$T/library/specializations/qa-testing-automation/skills/code-coverage" ~/.claude/skills/a5c-ai-babysitter-code-coverage-analysis && rm -rf "$T"

manifest: library/specializations/qa-testing-automation/skills/code-coverage/SKILL.md

Code Coverage Analysis Skill

Overview

This skill provides expert-level capabilities for code coverage analysis across multiple languages, enabling coverage collection, report generation, and quality gate enforcement.

Capabilities

JavaScript/TypeScript Coverage

Configure Istanbul/nyc for JavaScript coverage
V8 coverage collection
Source map support for TypeScript

Python Coverage

Configure coverage.py for Python coverage
Branch coverage analysis
Context-based coverage

Java Coverage

JaCoCo configuration for Java coverage
Maven/Gradle integration
Multi-module project support

Coverage Merging

Merge coverage reports from multiple sources
Combine unit and integration coverage
Cross-test-type aggregation

Reporting

Generate coverage badges
Track coverage trends
Generate HTML and XML reports

Quality Gates

Configure coverage thresholds
Enforce minimum coverage requirements
Block merges on coverage drops

Analysis

Analyze uncovered code paths
Identify dead code
Priority coverage recommendations

Integration

SonarQube integration
Codecov/Coveralls integration
CI/CD pipeline integration

Target Processes

```
automation-framework.js
```
- Framework coverage setup
```
mutation-testing.js
```
- Coverage for mutation testing
```
quality-gates.js
```
- Coverage-based gates
```
continuous-testing.js
```
- CI/CD coverage

Dependencies

```
nyc
```
/
```
c8
```
- JavaScript coverage
```
coverage.py
```
- Python coverage
```
JaCoCo
```
- Java coverage

Usage Example

{
  kind: 'skill',
  skill: {
    name: 'code-coverage',
    context: {
      action: 'analyze',
      language: 'javascript',
      reportFormats: ['html', 'lcov', 'json'],
      thresholds: {
        lines: 80,
        branches: 75,
        functions: 80
      }
    }
  }
}

Configuration

The skill auto-detects project language and configures appropriate coverage tools.