AI coding

Fixtures and seed data for agent tests

• A Fixture Manifest an Agent Cannot Rewrite: Paths and Hashes
• Costing a Contract Test Suite: Stubs Versus Live Runs
• Indexing for a Retrieval Eval: What to Store So Reruns Are Cheap
• One Agent, One Database: Fixtures and Seed Data for Parallel Work
• A Manifest for Fixtures and Seed Data an Agent Cannot Rewrite
• A Separate Schema per Agent: Connection Strings and Teardown
• Fixtures or Factories: Which Survives a Parallel Agent Suite
• Parallel Migrations Without Lock Contention
• Resetting a Test Database Without Dropping It
• Reviewing an Agent's Fixtures: Spotting Seed Data Hiding Bugs
• Seed Data an Agent Can Trust: Idempotent Upserts and Stable IDs
• Splitting a Fixture Diff from a Test Diff in One Review