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143 lines
3.5 KiB
143 lines
3.5 KiB
'use strict'
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const os = require('os')
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const { createWriteStream } = require('fs')
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const { join } = require('path')
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const { test } = require('tap')
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const { fork } = require('child_process')
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const writer = require('flush-write-stream')
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const { once, getPathToNull } = require('./helper')
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test('asynchronous logging', async ({ equal, teardown }) => {
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const now = Date.now
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const hostname = os.hostname
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const proc = process
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global.process = {
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__proto__: process,
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pid: 123456
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}
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Date.now = () => 1459875739796
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os.hostname = () => 'abcdefghijklmnopqr'
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delete require.cache[require.resolve('../')]
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const pino = require('../')
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let expected = ''
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let actual = ''
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const normal = pino(writer((s, enc, cb) => {
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expected += s
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cb()
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}))
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const dest = createWriteStream(getPathToNull())
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dest.write = (s) => {
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actual += s
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}
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const asyncLogger = pino(dest)
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let i = 44
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while (i--) {
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normal.info('h')
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asyncLogger.info('h')
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}
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const expected2 = expected.split('\n')[0]
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let actual2 = ''
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const child = fork(join(__dirname, '/fixtures/syncfalse.js'), { silent: true })
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child.stdout.pipe(writer((s, enc, cb) => {
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actual2 += s
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cb()
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}))
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await once(child, 'close')
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equal(actual, expected)
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equal(actual2.trim(), expected2)
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teardown(() => {
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os.hostname = hostname
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Date.now = now
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global.process = proc
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})
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})
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test('sync false with child', async ({ equal, teardown }) => {
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const now = Date.now
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const hostname = os.hostname
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const proc = process
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global.process = {
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__proto__: process,
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pid: 123456
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}
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Date.now = function () {
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return 1459875739796
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}
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os.hostname = function () {
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return 'abcdefghijklmnopqr'
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}
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delete require.cache[require.resolve('../')]
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const pino = require('../')
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let expected = ''
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let actual = ''
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const normal = pino(writer((s, enc, cb) => {
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expected += s
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cb()
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})).child({ hello: 'world' })
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const dest = createWriteStream(getPathToNull())
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dest.write = function (s) { actual += s }
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const asyncLogger = pino(dest).child({ hello: 'world' })
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let i = 500
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while (i--) {
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normal.info('h')
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asyncLogger.info('h')
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}
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asyncLogger.flush()
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const expected2 = expected.split('\n')[0]
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let actual2 = ''
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const child = fork(join(__dirname, '/fixtures/syncfalse-child.js'), { silent: true })
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child.stdout.pipe(writer((s, enc, cb) => {
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actual2 += s
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cb()
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}))
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await once(child, 'close')
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equal(actual, expected)
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equal(actual2.trim(), expected2)
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teardown(() => {
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os.hostname = hostname
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Date.now = now
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global.process = proc
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})
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})
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test('throw an error if extreme is passed', async ({ throws }) => {
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const pino = require('..')
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throws(() => {
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pino({ extreme: true })
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})
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})
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test('flush does nothing with sync true (default)', async () => {
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const instance = require('..')()
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instance.flush()
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})
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test('pino.extreme() emits a warning', async ({ equal }) => {
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const pino = require('..')
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process.removeAllListeners('warning')
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process.nextTick(() => pino.extreme(0))
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const warning = await once(process, 'warning')
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const expected = 'The pino.extreme() option is deprecated and will be removed in v7. Use pino.destination({ sync: false }) instead.'
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equal(expected, warning.message)
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equal('extreme_deprecation', warning.code)
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})
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test('pino.extreme() defaults to stdout', async ({ equal }) => {
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const pino = require('..')
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process.removeAllListeners('warning')
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const dest = pino.extreme()
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equal(dest.fd, process.stdout.fd)
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})
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