Our Testing Strategy: How We Ship Confidently at Scale
The testing pyramid, contract tests, visual regression, and chaos engineering practices that keep TrueValue reliable.
Shipping fast without breaking things requires a testing strategy that catches bugs early, runs quickly, and gives engineers confidence to merge.
Our Testing Pyramid
- Unit tests — Fast, isolated, cover business logic and utilities
- Integration tests — Verify module interactions and database operations
- Contract tests — Ensure API compatibility between services
- Visual regression — Screenshot comparison for UI changes
- End-to-end — Critical user journeys tested against staging
- Chaos engineering — Randomly inject failures to test resilience
The Numbers
We maintain over 12,000 tests across the platform. The full suite runs in under 8 minutes. Every PR gets a coverage report with per-file diff coverage. We target 85 percent coverage for new code and 70 percent overall.
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