test/database.replicate.test.js

// Licensed under the Apache License, Version 2.0 (the 'License'); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an 'AS IS' BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.

const Nano = require('..')
const COUCH_URL = 'http://localhost:5984'
const nano = Nano(COUCH_URL)
const nock = require('nock')
const response = {
  history: [],
  ok: true,
  replication_id_version: 3,
  session_id: '142a35854a08e205c47174d91b1f9628',
  source_last_seq: 28
}

afterEach(() => {
  nock.cleanAll()
})

test('should be able to send replication request with local database names - POST /_replicate - nano.db.replicate', async () => {
  // mocks
  const scope = nock(COUCH_URL)
    .post('/_replicate', { source: COUCH_URL + '/source', target: COUCH_URL + '/target' })
    .reply(200, response)

  // test POST /_replicate
  const p = await nano.db.replicate('source', 'target')
  expect(p).toEqual(response)
  expect(scope.isDone()).toBe(true)
})

test('should be able to send replication request with URLs - POST /_replicate - nano.db.replicate', async () => {
  // mocks
  const source = 'http://mydomain1.com/source'
  const target = 'https://mydomain2.com/target'
  const scope = nock(COUCH_URL)
    .post('/_replicate', { source: source, target: target })
    .reply(200, response)

  // test POST /_replicate
  const p = await nano.db.replicate(source, target)
  expect(p).toEqual(response)
  expect(scope.isDone()).toBe(true)
})

test('should be able to supply additional parameters - POST /_replicate - nano.db.replicate', async () => {
  // mocks
  const source = 'http://mydomain1.com/source'
  const target = 'https://mydomain2.com/target'
  const opts = { filter: 'ddoc/func', continuous: true }
  const scope = nock(COUCH_URL)
    .post('/_replicate', Object.assign(opts, { source: source, target: target }))
    .reply(200, response)

  // test POST /_replicate
  const p = await nano.db.replicate(source, target, opts)
  expect(p).toEqual(response)
  expect(scope.isDone()).toBe(true)
})

test('should not attempt compact invalid parameters - nano.db.replicate', async () => {
  await expect(nano.db.replicate('')).rejects.toThrowError('Invalid parameters')
  await expect(nano.db.replicate(undefined, 'target')).rejects.toThrowError('Invalid parameters')
  await expect(nano.db.replicate('', 'target')).rejects.toThrowError('Invalid parameters')
})

test('should detect missing parameters (callback) - nano.db.replicate', () => {
  return new Promise((resolve, reject) => {
    nano.db.replicate(undefined, undefined, undefined, (err, data) => {
      expect(err).not.toBeNull()
      resolve()
    })
  })
})

test('should be replicate from db.replicate - POST /_replicate - db.replicate', async () => {
  // mocks
  const scope = nock(COUCH_URL)
    .post('/_replicate', { source: COUCH_URL + '/source', target: COUCH_URL + '/target' })
    .reply(200, response)

  // test POST /_replicate
  const db = nano.db.use('source')
  const p = await db.replicate('target')
  expect(p).toEqual(response)
  expect(scope.isDone()).toBe(true)
})