You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
2.4 KiB
87 lines
2.4 KiB
'use strict'
|
|
const co = require('co')
|
|
const expect = require('expect.js')
|
|
|
|
const describe = require('mocha').describe
|
|
const it = require('mocha').it
|
|
|
|
const Pool = require('../')
|
|
|
|
const wait = (time) => new Promise((resolve) => setTimeout(resolve, time))
|
|
|
|
describe('idle timeout', () => {
|
|
it('should timeout and remove the client', (done) => {
|
|
const pool = new Pool({ idleTimeoutMillis: 10 })
|
|
pool.query('SELECT NOW()')
|
|
pool.on('remove', () => {
|
|
expect(pool.idleCount).to.equal(0)
|
|
expect(pool.totalCount).to.equal(0)
|
|
done()
|
|
})
|
|
})
|
|
|
|
it(
|
|
'times out and removes clients when others are also removed',
|
|
co.wrap(function* () {
|
|
const pool = new Pool({ idleTimeoutMillis: 10 })
|
|
const clientA = yield pool.connect()
|
|
const clientB = yield pool.connect()
|
|
clientA.release()
|
|
clientB.release(new Error())
|
|
|
|
const removal = new Promise((resolve) => {
|
|
pool.on('remove', () => {
|
|
expect(pool.idleCount).to.equal(0)
|
|
expect(pool.totalCount).to.equal(0)
|
|
resolve()
|
|
})
|
|
})
|
|
|
|
const timeout = wait(100).then(() => Promise.reject(new Error('Idle timeout failed to occur')))
|
|
|
|
try {
|
|
yield Promise.race([removal, timeout])
|
|
} finally {
|
|
pool.end()
|
|
}
|
|
})
|
|
)
|
|
|
|
it(
|
|
'can remove idle clients and recreate them',
|
|
co.wrap(function* () {
|
|
const pool = new Pool({ idleTimeoutMillis: 1 })
|
|
const results = []
|
|
for (var i = 0; i < 20; i++) {
|
|
let query = pool.query('SELECT NOW()')
|
|
expect(pool.idleCount).to.equal(0)
|
|
expect(pool.totalCount).to.equal(1)
|
|
results.push(yield query)
|
|
yield wait(2)
|
|
expect(pool.idleCount).to.equal(0)
|
|
expect(pool.totalCount).to.equal(0)
|
|
}
|
|
expect(results).to.have.length(20)
|
|
})
|
|
)
|
|
|
|
it(
|
|
'does not time out clients which are used',
|
|
co.wrap(function* () {
|
|
const pool = new Pool({ idleTimeoutMillis: 1 })
|
|
const results = []
|
|
for (var i = 0; i < 20; i++) {
|
|
let client = yield pool.connect()
|
|
expect(pool.totalCount).to.equal(1)
|
|
expect(pool.idleCount).to.equal(0)
|
|
yield wait(10)
|
|
results.push(yield client.query('SELECT NOW()'))
|
|
client.release()
|
|
expect(pool.idleCount).to.equal(1)
|
|
expect(pool.totalCount).to.equal(1)
|
|
}
|
|
expect(results).to.have.length(20)
|
|
return pool.end()
|
|
})
|
|
)
|
|
})
|
|
|