rss-feeder-mobilizon/node_modules/pg-pool/test/releasing-clients.js

55 lines
1.7 KiB
JavaScript

const Pool = require('../')
const expect = require('expect.js')
const net = require('net')
describe('releasing clients', () => {
it('removes a client which cannot be queried', async () => {
// make a pool w/ only 1 client
const pool = new Pool({ max: 1 })
expect(pool.totalCount).to.eql(0)
const client = await pool.connect()
expect(pool.totalCount).to.eql(1)
expect(pool.idleCount).to.eql(0)
// reach into the client and sever its connection
client.connection.end()
// wait for the client to error out
const err = await new Promise((resolve) => client.once('error', resolve))
expect(err).to.be.ok()
expect(pool.totalCount).to.eql(1)
expect(pool.idleCount).to.eql(0)
// try to return it to the pool - this removes it because its broken
client.release()
expect(pool.totalCount).to.eql(0)
expect(pool.idleCount).to.eql(0)
// make sure pool still works
const { rows } = await pool.query('SELECT NOW()')
expect(rows).to.have.length(1)
await pool.end()
})
it('removes a client which is ending', async () => {
// make a pool w/ only 1 client
const pool = new Pool({ max: 1 })
expect(pool.totalCount).to.eql(0)
const client = await pool.connect()
expect(pool.totalCount).to.eql(1)
expect(pool.idleCount).to.eql(0)
// end the client gracefully (but you shouldn't do this with pooled clients)
client.end()
// try to return it to the pool
client.release()
expect(pool.totalCount).to.eql(0)
expect(pool.idleCount).to.eql(0)
// make sure pool still works
const { rows } = await pool.query('SELECT NOW()')
expect(rows).to.have.length(1)
await pool.end()
})
})