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third-party request in order to reliably test your worker in Vitest.\n\n```ts\nimport { env } from 'cloudflare:workers'\nimport { createExecutionContext } from 'cloudflare:test'\nimport { http, HttpResponse } from 'msw'\nimport { setupNetwork } from '@msw/cloudflare'\nimport worker from './worker'\n\nconst network = setupNetwork()\n\nbeforeAll(() => {\n network.enable()\n})\n\nafterEach(() => {\n network.resetHandlers()\n})\n\nafterAll(() => {\n network.disable()\n})\n\nit('responds with the user id', async () => {\n network.use(\n http.get('https://api.example.com/user', () => {\n return HttpResponse.json({ id: 1, name: 'John Maverick' })\n }),\n )\n\n const ctx = createExecutionContext()\n const response = await worker.fetch(\n new Request('http://localhost/'),\n env,\n ctx,\n )\n\n expect.soft(response.status).toBe(200)\n await expect.soft(response.text()).resolves.toBe('1')\n})\n```\n\n## Related materials\n\n- [**Write your first test in Cloudflare Docs**](https://developers.cloudflare.com/workers/testing/vitest-integration/write-your-first-test/)\n- [Mocking HTTP with MSW](https://mswjs.io/docs/http/)\n- [Mocking GraphQL with MSW](https://mswjs.io/docs/graphql/)\n- [Mocking WebSocket with MSW](https://mswjs.io/docs/websocket/)\n","readmeFilename":""}