test/multipart.get.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 multipartResponse = ''.concat(
  '--e89b3e29388aef23453450d10e5aaed0',
  'Content-Type: application/json',
  '',
  '{"_id":"secret","_rev":"2-c1c6c44c4bc3c9344b037c8690468605","_attachments":{"recipe.txt":{"content_type":"text/plain","revpos":2,"digest":"md5-HV9aXJdEnu0xnMQYTKgOFA==","length":86,"follows":true}}}',
  '--e89b3e29388aef23453450d10e5aaed0',
  'Content-Disposition: attachment; filename="recipe.txt"',
  'Content-Type: text/plain',
  'Content-Length: 86',
  '',
  '1. Take R',
  '2. Take E',
  '3. Mix with L',
  '4. Add some A',
  '5. Serve with X',
  '',
  '--e89b3e29388aef23453450d10e5aaed0--')

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

test('should be able to fetch a document with attachments - multipart GET /db - db.multipart.get', async () => {
  // mocks
  const scope = nock(COUCH_URL, { reqheaders: { accept: 'multipart/related' } })
    .get('/db/docid?attachments=true')
    .reply(200, multipartResponse, { 'content-type': 'multipart/related; boundary="e89b3e29388aef23453450d10e5aaed0"' })

  // test GET /db/id?attachments=true
  const db = nano.db.use('db')
  const p = await db.multipart.get('docid')
  expect(p.toString()).toStrictEqual(multipartResponse)
  expect(scope.isDone()).toBe(true)
})

test('should be able to fetch a document with attachments with opts - multipart GET /db - db.multipart.get', async () => {
  // mocks
  const scope = nock(COUCH_URL, { reqheaders: { accept: 'multipart/related' } })
    .get('/db/docid?attachments=true&conflicts=true')
    .reply(200, multipartResponse, { 'content-type': 'multipart/related; boundary="e89b3e29388aef23453450d10e5aaed0"' })

  // test GET /db/id?attachments=true&x=y
  const db = nano.db.use('db')
  const p = await db.multipart.get('docid', { conflicts: true })
  expect(p.toString()).toStrictEqual(multipartResponse)
  expect(scope.isDone()).toBe(true)
})

test('should be able to handle 404 - db.multipart.get', async () => {
  // mocks
  const response = {
    error: 'not_found',
    reason: 'missing'
  }
  const scope = nock(COUCH_URL, { reqheaders: { accept: 'multipart/related' } })
    .get('/db/docid?attachments=true')
    .reply(404, response)

  // test GET /db
  const db = nano.db.use('db')
  await expect(db.multipart.get('docid')).rejects.toThrow('missing')
  expect(scope.isDone()).toBe(true)
})

test('should detect missing docName - db.multipart.get', async () => {
  const db = nano.db.use('db')
  await expect(db.multipart.get()).rejects.toThrow('Invalid parameters')
  await expect(db.multipart.get('')).rejects.toThrow('Invalid parameters')
  await expect(db.multipart.get(undefined, { conflicts: true })).rejects.toThrow('Invalid parameters')
})

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