---
id: TST-COM-ORD-151
title: The plain-product participant’s registration
kind: unit
product_area: commerce
module: orders
revision: 1
status: draft
source_sha:
  services-commerce: c8b66a98e2490617aec38ba5c8165dd9bd0a8f9b
repository: services-commerce
files:
  - modules/participants/tests/unit/plain/plain-product-registration.spec.js
implements: []
environment: mock
implementation_state: implemented
latest_result: not-run
latest_run_at: null
latest_run_ref: null
conformance: not-verified
estimated_minutes: 1
isolation: 'The suite owns its in-memory inputs, scripted responses and rendered component state.'
evidence:
  - provenance: test
    source: 'services-commerce:modules/participants/tests/unit/plain/plain-product-registration.spec.js'
    test_cases:
      - >-
        declares a manifest the contract accepts: in process, claiming nothing, one line at a time, the
        Accounting Product type
      - seeds the registry with exactly what the registration function would be given for the manifest
      - sells a type Accounting owns and Commerce keeps no extension table for (the stand-in’s row)
scenario_coverage: []
dependency_evidence:
  provenance: test
  source: 'services-commerce:modules/participants/tests/unit/plain/plain-product-registration.spec.js'
  declared_by_test: >-
    the migration file, the stand-in's text, the manifest, the contract's schema, the flattening. Doubled:
    nothing.
---

# The plain-product participant’s registration

## Verification Boundary

The unit suite checks the named contract or helper with controlled inputs.

## What This Suite Proves

The registered cases check the plain-product participant’s registration with their fixture records and assertions. Scenario bindings name only the examples those cases exercise.

## What It Does Not Prove

A registered file supplies no run result or verified conformance by itself. Local fixtures do not establish deployed cross-service behavior or complete browser journeys.

## Real Dependencies and Test Doubles

Inputs and external responses are controlled in process; this suite establishes no deployed service behavior.

## Must Not Be Doubled

The named contract validation or component behavior under assertion must use its actual implementation.