AI SummaryPRPM Testing Patterns provides Cursor-specific guidance on testing strategies and best practices for the Prompt Package Manager codebase using Vitest, including a test pyramid structure and concrete code examples for developers building or maintaining PRPM.
Install
Copy this and paste it into Claude Code, Cursor, or any AI assistant:
I want to add the "prpm — Cursor Rules" prompt rules to my project. Repository: https://github.com/pr-pm/prpm Please read the repo to find the rules/prompt file, then: 1. Download it to the correct location (.cursorrules, .windsurfrules, .github/prompts/, or project root — based on the file type) 2. If there's an existing rules file, merge the new rules in rather than overwriting 3. Confirm what was added
Description
Testing patterns and best practices for PRPM codebase with Vitest
PRPM Testing Patterns
Expert guidance for testing the Prompt Package Manager codebase.
Test Pyramid
• 70% Unit Tests: Format converters, parsers, utilities • 20% Integration Tests: API routes, database operations, CLI commands • 10% E2E Tests: Full workflows (install, publish, search)
Coverage Goals
• Format Converters: 100% coverage (critical path) • CLI Commands: 90% coverage • API Routes: 85% coverage • Utilities: 90% coverage
Format Converter Tests
`typescript describe('toCursor', () => { it('preserves all data in roundtrip', () => { const result = toCursor(canonical); const back = fromCursor(result.content); expect(back).toEqual(canonical); }); it('flags lossy conversions', () => { const result = toCursor(canonicalWithClaudeSpecific); expect(result.lossyConversion).toBe(true); expect(result.qualityScore).toBeLessThan(100); }); }); `
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Works With
Any AI assistant that accepts custom rules or system prompts