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Commercetools Mocking library for Node

This library mocks the Commercetools rest API to ease testing of your typescript codebases interacting with the commercetools api. It uses the same proven approach as our testing module in the commercetools Python SDK.

Since version 2 of this library it is based on msw instead of nock. It is now therefore als recommended to manage the msw server yourself and use the registerHandlers method to register the handlers on this server.

This allows you to use the same server for mocking other API's as well.

Installation

yarn add --dev @labdigital/commercetools-mock

Docker image

This codebase is also available as a docker image where it provides a runnable http server exposing the mocked endpoints. See https://hub.docker.com/r/labdigital/commercetools-mock-server

Example

import { CommercetoolsMock, getBaseResourceProperties } from '@labdigital/commercetools-mock'
import { setupServer } from 'msw/node'

const ctMock = new CommercetoolsMock({
  apiHost: 'https://localhost',
  authHost: 'https://localhost',
  enableAuthentication: false,
  validateCredentials: false,
  defaultProjectKey: 'my-project',
  silent: true,
})

describe('A module', () => {
  const mswServer = setupServer()

  beforeAll(() => {
    mswServer.listen({ onUnhandledRequest: "error" })
  })

  beforeEach(() => {
    ctMock.registerHandlers(mswServer)

    ctMock.project().add('type', {
      ...getBaseResourceProperties()
      key: 'my-customt-type',
      fieldDefinitions: [],
    })
  })

  afterAll(() => {
    mswServer.close()
  })

  afterEach(() => {
    server.clearHandlers()
    ctMock.clear()
  })

  test('my function', async () => {
    ctMock.project().add('customer', customerFixture)

    const res = await myFunction()

    expect(res).toEqual(true)
  })
})

Contributing

This codebases use @changesets for release and version management

Create a feature branch with new features / fixes (see Adding a new service)
When your code changes are complete, add a changeset file to your feature branch using pnpm changeset
Create a PR to request your changes to be merged to main
After your PR is merged, GitHub actions will create a release PR or add your changeset to an existing release PR
When the release is ready merge the release branch. A new version will be released

Adding a new service {#adding-a-service}

Implement the following:

New repository in src/repositories
New service in src/services
Add new service to src/ctMock.ts ctMock._services
Add new service to src/storage.ts InMemoryStorage
Adjust src/types.ts RepositoryMap and possibly serviceTypes

	transform(product: Product): ProductProjection {
	const obj = product.masterData.current
	return {
	id: product.id,
	createdAt: product.createdAt,
	lastModifiedAt: product.lastModifiedAt,
	version: product.version,
	name: obj.name,
	key: product.key,
	description: obj.description,
	metaDescription: obj.metaDescription,
	slug: obj.slug,
	categories: obj.categories,
	masterVariant: obj.masterVariant,
	variants: obj.variants,
	productType: product.productType,
	}
	}

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commercetools-node-mock's Introduction

Commercetools Mocking library for Node

Installation

Docker image

Example

Contributing

Adding a new service {#adding-a-service}

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