How to use nock - 10 common examples

const nock = require('nock')

const dbs = require('../../lib/dbs')
const removeIfExists = require('../helpers/remove-if-exists')

const cancelStripeSubscription = require('../../jobs/cancel-stripe-subscription')

nock.disableNetConnect()
nock.enableNetConnect('localhost')

afterAll(async () => {
  const { payments } = await dbs()
  await Promise.all([
    removeIfExists(payments, '123')
  ])
})

test('Cancel Stripe Subscription', async () => {
  const { payments } = await dbs()
  expect.assertions(3)

  nock('https://api.stripe.com/v1')
    .delete('/subscriptions/345')
    .reply(200, () => {
      // Stripe called

if (!has_fixtures) try {
        require(path.resolve(fp));
        console.log('using recorded fixtures ' + fp);
        has_fixtures = true;
      } catch (e) {
        nock.recorder.rec({
          dont_print: true
        });
      } else {
        has_fixtures = false;
        fs.readdirSync(path.join(test_folder, fixtures_folder)).filter(function(filename) {
          return filename.indexOf('fixtures-') === 0 && path.extname(filename) === ".js";
        }).map(function(filename) {
          return path.resolve(test_folder, fixtures_folder, filename);
        }).forEach(fs.unlinkSync);
        nock.recorder.rec({
          dont_print: true
        });
      }
    },
    // saves our recording if fixtures didn't already exist

constructor(endpoint, debug = false, record = false) {
    this.nockScope = nock(endpoint, { encodedQueryParams: true })

    this.recording = record
    if (record) {
      nock.recorder.rec({
        output_objects: true,
      })
    }

    this.anyRequestSetUp = false
    this.debug = debug
    // ethers hard-codes this value, see https://github.com/ethers-io/ethers.js/issues/489
    this._rpcRequestId = 42
    this._noMatches = []

    nock.emitter.on('no match', (clientRequestObject, options, body) => {
      this._noMatches.push(body)
      if (debug) {
        if (!this.anyRequestSetUp) {
          console.log(
            new Error('No mocks have been set up, but a request was made!')

// Expectations
let google = nock('http://example.test')
  .get('/')
  .reply(200, 'Hello from Google!')
setTimeout(() => {
  google.done() // will throw an assertion error if meanwhile a "GET http://example.test" was not performed.
}, 5000)

/// .isDone()
scope = nock('http://example.test')
  .get('/')
  .reply(200)
scope.isDone() // will return false

nock.isDone()

/// .cleanAll()
nock.cleanAll()

/// .persist()
scope = nock('http://example.test')
  .persist()
  .get('/')
  .reply(200, 'Persisting all the way')

/// .pendingMocks()
strings = scope.pendingMocks()
strings = nock.pendingMocks()
if (!scope.isDone()) {
  console.error('pending mocks: %j', scope.pendingMocks())
}

// mutation moveCard
      nock('https://api.github.com')
        .post('/graphql')
        .reply(200, (uri, requestBody) => {
          requestBody = JSON.parse(requestBody)
          expect(requestBody.query).toContain('mutation moveCard')
          expect(requestBody.variables.cardId).toBeTruthy()
          expect(requestBody.variables.columnId).toBeTruthy()
        })
    }

    // Receive a webhook event
    await probot.receive({ name: eventName, payload })

    if (!nock.isDone()) {
      console.error(nock.pendingMocks())
      expect(nock.isDone()).toEqual(true)
    }
  }
})

/// .cleanAll()
nock.cleanAll()

/// .persist()
scope = nock('http://example.test')
  .persist()
  .get('/')
  .reply(200, 'Persisting all the way')

/// .pendingMocks()
strings = scope.pendingMocks()
strings = nock.pendingMocks()
if (!scope.isDone()) {
  console.error('pending mocks: %j', scope.pendingMocks())
}
console.error('pending mocks: %j', nock.pendingMocks())

/// .activeMocks()
nock.activeMocks() // $ExpectType string[]
nock('http://example.test').activeMocks() // $ExpectType string[]

// Logging
google = nock('http://example.test').log(console.log)

// Restoring
nock.restore()

// Enable/Disable real HTTP request
nock.disableNetConnect()
nock.enableNetConnect()

// using a string

scope.isDone() // will return false

nock.isDone()

/// .cleanAll()
nock.cleanAll()

/// .persist()
scope = nock('http://example.test')
  .persist()
  .get('/')
  .reply(200, 'Persisting all the way')

/// .pendingMocks()
strings = scope.pendingMocks()
strings = nock.pendingMocks()
if (!scope.isDone()) {
  console.error('pending mocks: %j', scope.pendingMocks())
}
console.error('pending mocks: %j', nock.pendingMocks())

/// .activeMocks()
nock.activeMocks() // $ExpectType string[]
nock('http://example.test').activeMocks() // $ExpectType string[]

// Logging
google = nock('http://example.test').log(console.log)

// Restoring
nock.restore()

// Enable/Disable real HTTP request

it('preparePull (Github response)', async () => {
    // Setup
    const { nockDone } = await nock.back(
      'GitRemoteHTTP - preparePull (Github response).json'
    )
    // Test
    const remote = await GitRemoteHTTP.discover({
      core: 'default',
      service: 'git-upload-pack',
      url: 'https://github.com/isomorphic-git/isomorphic-git',
      headers: {}
    })
    expect(remote).toBeTruthy()
    expect(remote.symrefs.size > 0)
    expect(remote.symrefs.get('HEAD')).toBe('refs/heads/master')
    // Teardown
    nockDone()
  })

it('preparePull (mock response)', async () => {
    // Setup
    const { nockDone } = await nock.back(
      'GitRemoteHTTP - preparePull (mock response).json'
    )
    // Test
    const remote = await GitRemoteHTTP.discover({
      core: 'default',
      service: 'git-upload-pack',
      url: 'http://example.dev/test-GitRemoteHTTP',
      headers: {}
    })
    expect(remote).toBeTruthy()
    // Teardown
    nockDone()
  })

it('basic pull', async () => {
    // Setup
    const { nockDone } = await nock.back('pull - basic pull.json')
    const { dir, gitdir } = await makeFixture('test-pull-client')
    // Test
    const desiredOid = '97c024f73eaab2781bf3691597bc7c833cb0e22f'
    await pull({
      dir,
      gitdir,
      ref: 'master',
      fastForwardOnly: true
    })
    const oid = await resolveRef({
      gitdir,
      ref: 'master'
    })
    expect(oid).toEqual(desiredOid)
    // Teardown
    nockDone()