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From billy-milligan
Provides test strategy patterns including TDD, BDD, testing pyramid, coverage targets, mutation testing, test prioritization, and data management with factories/fixtures. Use for planning suites, setting standards, or fixing slow/ineffective tests in any project.
npx claudepluginhub rnavarych/alpha-engineer --plugin billy-milliganHow this skill is triggered — by the user, by Claude, or both
Slash command
/billy-milligan:test-strategyThis skill is limited to the following tools:
The summary Claude sees in its skill listing — used to decide when to auto-load this skill
- Starting a new project or module and need to define testing approach
Provides testing strategies including test pyramid, TDD/BDD, unit/integration/E2E patterns, mocking strategies, test data factories, snapshot testing, and mutation testing. Use for designing test strategies, writing tests, or improving coverage.
Design testing strategies (unit, integration, end-to-end, performance) that catch bugs without creating bottlenecks. Use when scaling testing or improving release confidence.
Create testing pyramid with unit/integration/E2E strategy. Define coverage targets and high-risk testing. Use when planning tests for features.
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references/testing-pyramid.md — unit/integration/e2e ratios, layer definitions, anti-patternsreferences/test-selection.md — when to write which test type, cost per level, skip decisions, ROI by scenarioreferences/tdd-bdd-patterns.md — red-green-refactor cycle, naming conventions, describe groupingreferences/bdd-gherkin.md — Given-When-Then, Gherkin feature files, Cucumber integration, Scenario Outlinereferences/coverage-strategy.md — coverage metrics, thresholds by code type, CI enforcement, exclusionsreferences/coverage-analysis.md — coverage gap analysis, mutation testing with Stryker, survived mutant patternsreferences/test-data-management.md — Fishery factories, deterministic Faker, static fixtures, when to use eachreferences/test-data-isolation.md — DB cleanup strategies, transaction rollback, per-worker schema isolationscripts/analyze-coverage.sh — parses lcov/json coverage reports and outputs improvement suggestionsassets/test-plan-template.md — fillable test strategy document for project kickoffs