v-pool/test/ending.js

Connection pool for Vertica

// Copyright (c) 2022-2024 Open Text.
//
// 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.

'use strict'
const co = require('co')
const expect = require('expect.js')

const describe = require('mocha').describe
const it = require('mocha').it

const Pool = require('../')

describe('pool ending', () => {
  it('ends without being used', (done) => {
    const pool = new Pool()
    pool.end(done)
  })

  it('ends with a promise', () => {
    return new Pool().end()
  })

  it(
    'ends with clients',
    co.wrap(function* () {
      const pool = new Pool()
      const res = yield pool.query('SELECT ?::varchar as name', ['brianc'])
      expect(res.rows[0].name).to.equal('brianc')
      return pool.end()
    })
  )

  it(
    'allows client to finish',
    co.wrap(function* () {
      const pool = new Pool()
      const query = pool.query('SELECT ?::varchar as name', ['brianc'])
      yield pool.end()
      const res = yield query
      expect(res.rows[0].name).to.equal('brianc')
    })
  )
})