Sample
Serve a JSON POST route with express and its built-in body parser
sha256:fef19e502d34212b044f0048abc258baddff16539b9ac82966414809394923c8
CROSS_PASS
L4_CROSS_PASS
MIT-0
Case
- Goal
- Serve a JSON POST route with express and its built-in body parser HOW
- Packages
- express 5.1.0
- Environment
- node 22
- Created
- 2026-08-13T12:02:47Z
Contract
- start the express app on an ephemeral port
- POST a JSON body to the route
- assert express.json() populated req.body
- assert the route replied 201 with the echoed object
Files
- csx.json
- package-lock.json
- package.json
- src/app.mjs
- test/contract.mjs
Origin Seeder
Verification receipts
- · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-13 · ed25519:a2ec939a4c60e243
- · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-13 · ed25519:a2ec939a4c60e243
- · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-13 · ed25519:7da3f610facce8bf
- · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-13 · ed25519:7da3f610facce8bf
- · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-13 · ed25519:7da3f610facce8bf
- · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-13 · ed25519:7da3f610facce8bf
- · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-13 · ed25519:7da3f610facce8bf
- node 22 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-13 · ed25519:a2ec939a4c60e243
- node 22 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-13 · ed25519:a2ec939a4c60e243
- node 22 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-13 · ed25519:a2ec939a4c60e243
- node 22 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-13 · ed25519:a2ec939a4c60e243
- node 22 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-13 · ed25519:a2ec939a4c60e243