SYZYGY — Blog https://syz.sh/blog/ Field notes on integration testing, durable integration knowledge, deterministic execution, and keeping requirements, tests, and traceability aligned — from the team building SYZYGY. en Wed, 12 Aug 2026 09:00:00 GMT We've been failing BDD for two decades — and the .feature file is the evidence https://syz.sh/blog/failing-bdd-for-two-decades https://syz.sh/blog/failing-bdd-for-two-decades Wed, 12 Aug 2026 09:00:00 GMT BDD promised behaviour a business person could read. Decades on, .feature files are test scripts in disguise. The fix is knowledge documents before technology. bdd cucumber gherkin living-documentation requirements-traceability knowledge-first We built our services on a shared contract — but never our tests https://syz.sh/blog/a-shared-contract-for-your-tests https://syz.sh/blog/a-shared-contract-for-your-tests Thu, 09 Jul 2026 09:00:00 GMT Services share a contract, so they compose across teams. Tests share nothing — so no team can reuse another's, and component tests break at integration. test-plugins test-library test-reuse test-unframework test-strategy When the engineer leaves, the integration knowledge leaves with them https://syz.sh/blog/when-the-engineer-leaves https://syz.sh/blog/when-the-engineer-leaves Wed, 08 Jul 2026 09:00:00 GMT When the one engineer who understood your integrations leaves, the knowledge leaves too. Keep integration test knowledge in version control instead of in people's heads. integration-knowledge knowledge-retention domain-knowledge requirements-traceability testing