text: 'use strict'
  
  const { Writable } = require('stream')
  const { test } = require('tap')
  const { join } = require('path')
  const execa = require('execa')
  const writer = require('flush-write-stream')
  const { once } = require('./helper')
  const pino = require('../')
  const strip = require('strip-ansi')
  
  test('can be enabled via exported pino function', async ({ isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'basic.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): h/), null)
  })
  
  test('can be enabled via exported pino function with pretty configuration', async ({ isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'level-first.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/^INFO.*h/), null)
  })
  
  test('can be enabled via exported pino function with prettifier', async ({ isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'pretty-factory.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
  
    await once(child, 'close')
    isNot(strip(actual).match(/^INFO.*h/), null)
  })
  
  test('does not throw error when enabled with stream specified', async ({ doesNotThrow }) => {
    doesNotThrow(() => pino({ prettyPrint: true }, process.stdout))
  })
  
  test('throws when prettyPrint is true but pino-pretty module is not installed', async ({ throws, is }) => {
    // pino pretty *is* installed, and probably also cached, so rather than
    // messing with the filesystem the simplest way to generate a not found
    // error is to simulate it:
    const prettyFactory = require('pino-pretty')
    require.cache[require.resolve('pino-pretty')].exports = () => {
      throw Error('Cannot find module \'pino-pretty\'')
    }
    throws(() => pino({ prettyPrint: true }))
    try { pino({ prettyPrint: true }) } catch ({ message }) {
      is(message, 'Missing `pino-pretty` module: `pino-pretty` must be installed separately')
    }
  
    require.cache[require.resolve('pino-pretty')].exports = prettyFactory
  })
  
  test('can send pretty print to custom stream', async ({ is }) => {
    const dest = new Writable({
      objectMode: true,
      write (formatted, enc) {
        is(/^INFO.*foo\n$/.test(formatted), true)
      }
    })
  
    const log = pino({
      prettifier: require('pino-pretty'),
      prettyPrint: {
        levelFirst: true,
        colorize: false
      }
    }, dest)
    log.info('foo')
  })
  
  test('ignores `undefined` from prettifier', async ({ is }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'skipped-output.js')])
  
    child.stdout.pipe(writer((s, enc) => {
      actual += s
    }))
  
    await once(child, 'close')
    is(actual, '')
  })
  
  test('parses and outputs chindings', async ({ is, isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'child.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): h/), null)
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): h2/), null)
    isNot(strip(actual).match(/a: 1/), null)
    isNot(strip(actual).match(/b: 2/), null)
    is(strip(actual).match(/a: 1/g).length, 3)
  })
  
  test('applies formatters', async ({ is, isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'formatters.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): h/), null)
    isNot(strip(actual).match(/foo: "formatted_bar"/), null)
  })
  
  test('parses and outputs chindings with serializer', async ({ is, isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'child-with-serializer.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): h/), null)
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): h2/), null)
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): h3/), null)
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): h4/), null)
    isNot(strip(actual).match(/a: 2/), null)
    isNot(strip(actual).match(/a: 16/), null)
    isNot(strip(actual).match(/a: 42/), null)
    is(strip(actual).match(/a: /g).length, 4)
  })
  
  test('applies serializers', async ({ is, isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'serializers.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): h/), null)
    isNot(strip(actual).match(/foo: "bar"/), null)
  })
  
  test('applies redaction rules', async ({ is, isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'redact.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): h/), null)
    isNot(strip(actual).match(/\[Redacted\]/), null)
    is(strip(actual).match(/object/), null)
  })
  
  test('dateformat', async ({ isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'dateformat.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): h/), null)
  })
  
  test('without timestamp', async ({ isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'no-time.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).slice(2), '[]')
  })
  
  test('with custom timestamp', async ({ is }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'custom-time.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    is(strip(actual).slice(0, 8), '["test"]')
  })
  
  test('with custom timestamp label', async ({ is }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'custom-time-label.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    is(strip(actual).slice(0, 8), '["test"]')
  })
  
  test('errors', async ({ isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'error.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): kaboom/), null)
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): with a message/), null)
    isNot(strip(actual).match(/.*error\.js.*/), null)
  })
  
  test('errors with props', async ({ isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'error-props.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): kaboom/), null)
    isNot(strip(actual).match(/code: ENOENT/), null)
    isNot(strip(actual).match(/errno: 1/), null)
    isNot(strip(actual).match(/.*error-props\.js.*/), null)
  })
  
  test('final works with pretty', async ({ isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'final.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/WARN\s+\(123456 on abcdefghijklmnopqr\): pino.final with prettyPrint does not support flushing/), null)
    isNot(strip(actual).match(/INFO\s+\(123456 on abcdefghijklmnopqr\): beforeExit/), null)
  })
  
  test('final works when returning a logger', async ({ isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'final-return.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/WARN\s+\(123456 on abcdefghijklmnopqr\): pino.final with prettyPrint does not support flushing/), null)
    isNot(strip(actual).match(/INFO\s+\(123456 on abcdefghijklmnopqr\): after/), null)
  })
  
  test('final works without prior logging', async ({ isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'final-no-log-before.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/WARN\s+: pino.final with prettyPrint does not support flushing/), null)
    isNot(strip(actual).match(/INFO\s+\(123456 on abcdefghijklmnopqr\): beforeExit/), null)
  })
  
  test('works as expected with an object with the msg prop', async ({ isNot }) => {
    var actual = ''
    const child = execa(process.argv[0], [join(__dirname, 'fixtures', 'pretty', 'obj-msg-prop.js')])
  
    child.stdout.pipe(writer((s, enc, cb) => {
      actual += s
      cb()
    }))
    await once(child, 'close')
    isNot(strip(actual).match(/\(123456 on abcdefghijklmnopqr\): hello/), null)
  })
  
  test('should not lose stream metadata for streams with `needsMetadataGsym` flag', async ({ isNot }) => {
    const dest = new Writable({
      objectMode: true,
      write () {
        isNot(typeof this.lastLevel === 'undefined', true)
        isNot(typeof this.lastMsg === 'undefined', true)
        isNot(typeof this.lastObj === 'undefined', true)
        isNot(typeof this.lastTime === 'undefined', true)
        isNot(typeof this.lastLogger === 'undefined', true)
      }
    })
  
    dest[pino.symbols.needsMetadataGsym] = true
  
    const log = pino({
      prettyPrint: true
    }, dest)
    log.info('foo')
  })
  
  test('should not add stream metadata for streams without `needsMetadataGsym` flag', async ({ is }) => {
    const dest = new Writable({
      objectMode: true,
      write () {
        is(typeof this.lastLevel === 'undefined', true)
        is(typeof this.lastMsg === 'undefined', true)
        is(typeof this.lastObj === 'undefined', true)
        is(typeof this.lastTime === 'undefined', true)
        is(typeof this.lastLogger === 'undefined', true)
      }
    })
  
    const log = pino({
      prettyPrint: true
    }, dest)
    log.info('foo')
  })
  