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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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