Testing infrastructure (Vitest, PGlite isolation)

Generated from mcp/patterns.registry.json — do not edit by hand; change the registry and run bun run patterns:build.

Index card — the docs below are the canonical explanation; deep-tier pattern pages additionally carry invariants and emulation notes.

Category: Architecture & Request Pipeline · Tier: light · Risk: low — structural pattern, no external services

Describes the Vitest + PGlite testing harness that runs entirely inside the dev container, giving each test an isolated in-process Postgres instance via drizzle-kit's pushSchema.

When to use: Reach for it when writing or running tests that need database isolation or want to understand the container execution model.

Docs

• docs/blueprint/testing/ai-testing-infrastructure.md (GitHub · GitLab)

Code

• src/lib/server/test/ (GitHub · GitLab)
• vitest.config.ts (GitHub · GitLab)

Machine-readable record: architecture-testing-infra in mcp/patterns.registry.json.