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Testing (Prisma)

How to run and interpret @erdflow/parser-prisma tests locally.

Commands

cd erdFlow

# All Prisma parser tests (adapter, detect, errors, relations, performance)
pnpm --filter @erdflow/parser-prisma test

# Types
pnpm --filter @erdflow/parser-prisma typecheck

# CLI tests that hit Prisma detect / load / watch / errors
pnpm --filter @erdflow/prisma test

After parser source changes, rebuild the CLI before manual UI checks:

pnpm --filter @erdflow/prisma build

Test map

Area Test file Fixture / input
Happy-path parse tests/adapter.test.ts fixtures/basic.prisma
Detect + v6/v7 layouts tests/detect.test.ts fixtures/v6-classic, v7-*
Invalid schemas tests/errors.test.ts fixtures/invalid/*
Relation shapes tests/relations.test.ts fixtures/relations/catalog.prisma
Parse size ladder tests/performance.test.ts generated via tests/helpers/sized-prisma.ts

CLI-side (in packages/prisma/tests/):

Area Test file
Missing / invalid Prisma load errors.test.ts
Multi-file + prisma.config resolve scan.test.ts
Watch callback latency watch.test.ts

Size ladder (parse budgets)

Size Models Budget
S 5 < 2s
M 25 < 5s
L 100 < 15s
XL 200 < 30s

Shared UniversalSchema sizes (layout, not Prisma-specific) live in @erdflow/core/testing — see layout package tests if you care about diagram timing.

Manual smoke (optional)

Run the CLI against each fixture listed in fixtures.md using local-development.md. Confirm entity counts in the CLI banner and that the UI canvas updates on save.