Rule Testing

Realistic Test Data

Use realistic data in tests, not placeholder values

testingdataclarity
CLAUDE.md

Use realistic data in tests, not ‘foo’, ‘bar’, and ‘test123’. Realistic data reveals edge cases like special characters, unicode, long strings, and format-specific issues that placeholder values hide.

Copy this block into your CLAUDE.md or agent config file to enforce it in your workflow.

get crystl