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backend/node_modules/pino-abstract-transport/test/base.test.js

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+'use strict'
+
+const { once } = require('events')
+const { Transform, pipeline } = require('stream')
+
+const { test } = require('tap')
+const build = require('../')
+
+test('parse newlined delimited JSON', ({ same, plan }) => {
+  plan(2)
+  const expected = [{
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'hello world'
+  }, {
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'another message',
+    prop: 42
+  }]
+
+  const stream = build(function (source) {
+    source.on('data', function (line) {
+      same(expected.shift(), line)
+    })
+  })
+
+  const lines = expected.map(JSON.stringify).join('\n')
+  stream.write(lines)
+  stream.end()
+})
+
+test('parse newlined delimited JSON', ({ same, plan }) => {
+  plan(2)
+  const expected = [{
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'hello world'
+  }, {
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'another message',
+    prop: 42
+  }]
+
+  const stream = build(function (source) {
+    source.on('data', function (line) {
+      same(expected.shift(), line)
+    })
+  }, { parse: 'json' })
+
+  const lines = expected.map(JSON.stringify).join('\n')
+  stream.write(lines)
+  stream.end()
+})
+
+test('null support', ({ same, plan }) => {
+  plan(1)
+  const stream = build(function (source) {
+    source.on('unknown', function (line) {
+      same('null', line)
+    })
+  })
+
+  stream.write('null\n')
+  stream.end()
+})
+
+test('broken json', ({ match, same, plan }) => {
+  plan(2)
+  const expected = '{ "truncated'
+  const stream = build(function (source) {
+    source.on('unknown', function (line, error) {
+      same(expected, line)
+      const regex = /^(Unexpected end of JSON input|Unterminated string in JSON at position 12)( \(line 1 column 13\))?$/
+      match(error.message, regex)
+    })
+  })
+
+  stream.write(expected + '\n')
+  stream.end()
+})
+
+test('pure values', ({ same, ok, plan }) => {
+  plan(3)
+  const stream = build(function (source) {
+    source.on('data', function (line) {
+      same(line.data, 42)
+      ok(line.time)
+      same(new Date(line.time).getTime(), line.time)
+    })
+  })
+
+  stream.write('42\n')
+  stream.end()
+})
+
+test('support async iteration', ({ same, plan }) => {
+  plan(2)
+  const expected = [{
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'hello world'
+  }, {
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'another message',
+    prop: 42
+  }]
+
+  const stream = build(async function (source) {
+    for await (const line of source) {
+      same(expected.shift(), line)
+    }
+  })
+
+  const lines = expected.map(JSON.stringify).join('\n')
+  stream.write(lines)
+  stream.end()
+})
+
+test('rejecting errors the stream', async ({ same, plan }) => {
+  const stream = build(async function (source) {
+    throw new Error('kaboom')
+  })
+
+  const [err] = await once(stream, 'error')
+  same(err.message, 'kaboom')
+})
+
+test('emits an error if the transport expects pino to send the config, but pino is not going to', async function ({ plan, same }) {
+  plan(1)
+  const stream = build(() => {}, { expectPinoConfig: true })
+  const [err] = await once(stream, 'error')
+  same(err.message, 'This transport is not compatible with the current version of pino. Please upgrade pino to the latest version.')
+})
+
+test('set metadata', ({ same, plan, equal }) => {
+  plan(9)
+
+  const expected = [{
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'hello world'
+  }, {
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'another message',
+    prop: 42
+  }]
+
+  const stream = build(function (source) {
+    source.on('data', function (line) {
+      const obj = expected.shift()
+      same(this.lastLevel, obj.level)
+      same(this.lastTime, obj.time)
+      same(this.lastObj, obj)
+      same(obj, line)
+    })
+  }, { metadata: true })
+
+  equal(stream[Symbol.for('pino.metadata')], true)
+  const lines = expected.map(JSON.stringify).join('\n')
+  stream.write(lines)
+  stream.end()
+})
+
+test('parse lines', ({ same, plan, equal }) => {
+  plan(9)
+
+  const expected = [{
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'hello world'
+  }, {
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'another message',
+    prop: 42
+  }]
+
+  const stream = build(function (source) {
+    source.on('data', function (line) {
+      const obj = expected.shift()
+      same(this.lastLevel, obj.level)
+      same(this.lastTime, obj.time)
+      same(this.lastObj, obj)
+      same(JSON.stringify(obj), line)
+    })
+  }, { metadata: true, parse: 'lines' })
+
+  equal(stream[Symbol.for('pino.metadata')], true)
+  const lines = expected.map(JSON.stringify).join('\n')
+  stream.write(lines)
+  stream.end()
+})
+
+test('custom parse line function', ({ same, plan, equal }) => {
+  plan(11)
+
+  const expected = [{
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'hello world'
+  }, {
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'another message',
+    prop: 42
+  }]
+  let num = 0
+
+  function parseLine (str) {
+    const obj = JSON.parse(str)
+    same(expected[num], obj)
+    return obj
+  }
+
+  const stream = build(function (source) {
+    source.on('data', function (line) {
+      const obj = expected[num]
+      same(this.lastLevel, obj.level)
+      same(this.lastTime, obj.time)
+      same(this.lastObj, obj)
+      same(obj, line)
+      num++
+    })
+  }, { metadata: true, parseLine })
+
+  equal(stream[Symbol.for('pino.metadata')], true)
+  const lines = expected.map(JSON.stringify).join('\n')
+  stream.write(lines)
+  stream.end()
+})
+
+test('set metadata (default)', ({ same, plan, equal }) => {
+  plan(9)
+
+  const expected = [{
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'hello world'
+  }, {
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'another message',
+    prop: 42
+  }]
+
+  const stream = build(function (source) {
+    source.on('data', function (line) {
+      const obj = expected.shift()
+      same(this.lastLevel, obj.level)
+      same(this.lastTime, obj.time)
+      same(this.lastObj, obj)
+      same(obj, line)
+    })
+  })
+
+  equal(stream[Symbol.for('pino.metadata')], true)
+  const lines = expected.map(JSON.stringify).join('\n')
+  stream.write(lines)
+  stream.end()
+})
+
+test('do not set metadata', ({ same, plan, equal }) => {
+  plan(9)
+
+  const expected = [{
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'hello world'
+  }, {
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'another message',
+    prop: 42
+  }]
+
+  const stream = build(function (source) {
+    source.on('data', function (line) {
+      const obj = expected.shift()
+      same(this.lastLevel, undefined)
+      same(this.lastTime, undefined)
+      same(this.lastObj, undefined)
+      same(obj, line)
+    })
+  }, { metadata: false })
+
+  equal(stream[Symbol.for('pino.metadata')], undefined)
+  const lines = expected.map(JSON.stringify).join('\n')
+  stream.write(lines)
+  stream.end()
+})
+
+test('close logic', ({ same, plan, pass }) => {
+  plan(3)
+  const expected = [{
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'hello world'
+  }, {
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'another message',
+    prop: 42
+  }]
+
+  const stream = build(function (source) {
+    source.on('data', function (line) {
+      same(expected.shift(), line)
+    })
+  }, {
+    close (err, cb) {
+      pass('close called')
+      process.nextTick(cb, err)
+    }
+  })
+
+  const lines = expected.map(JSON.stringify).join('\n')
+  stream.write(lines)
+  stream.end()
+})
+
+test('close with promises', ({ same, plan, pass }) => {
+  plan(3)
+  const expected = [{
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'hello world'
+  }, {
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'another message',
+    prop: 42
+  }]
+
+  const stream = build(function (source) {
+    source.on('data', function (line) {
+      same(expected.shift(), line)
+    })
+  }, {
+    async close () {
+      pass('close called')
+    }
+  })
+
+  const lines = expected.map(JSON.stringify).join('\n')
+  stream.write(lines)
+  stream.end()
+})
+
+test('support Transform streams', ({ same, plan, error }) => {
+  plan(7)
+
+  const expected1 = [{
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'hello world'
+  }, {
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'another message',
+    prop: 42
+  }]
+
+  const expected2 = []
+
+  const stream1 = build(function (source) {
+    const transform = new Transform({
+      objectMode: true,
+      autoDestroy: true,
+      transform (chunk, enc, cb) {
+        same(expected1.shift(), chunk)
+        chunk.service = 'from transform'
+        expected2.push(chunk)
+        cb(null, JSON.stringify(chunk) + '\n')
+      }
+    })
+
+    pipeline(source, transform, () => {})
+
+    return transform
+  }, { enablePipelining: true })
+
+  const stream2 = build(function (source) {
+    source.on('data', function (line) {
+      same(expected2.shift(), line)
+    })
+  })
+
+  pipeline(stream1, stream2, function (err) {
+    error(err)
+    same(expected1, [])
+    same(expected2, [])
+  })
+
+  const lines = expected1.map(JSON.stringify).join('\n')
+  stream1.write(lines)
+  stream1.end()
+})

backend/node_modules/pino-abstract-transport/test/fixtures/transport-async-iteration.js

@@ -0,0 +1,22 @@
+'use strict'
+
+const build = require('../..')
+
+module.exports = async function (threadStreamOpts) {
+  const { port, opts = {} } = threadStreamOpts
+  return build(
+    async function (source) {
+      for await (const obj of source) {
+        port.postMessage({
+          data: obj,
+          pinoConfig: {
+            levels: source.levels,
+            messageKey: source.messageKey,
+            errorKey: source.errorKey
+          }
+        })
+      }
+    },
+    opts
+  )
+}

backend/node_modules/pino-abstract-transport/test/fixtures/transport-on-data.js

@@ -0,0 +1,22 @@
+'use strict'
+
+const build = require('../..')
+
+module.exports = async function (threadStreamOpts) {
+  const { port, opts = {} } = threadStreamOpts
+  return build(
+    function (source) {
+      source.on('data', function (line) {
+        port.postMessage({
+          data: line,
+          pinoConfig: {
+            levels: source.levels,
+            messageKey: source.messageKey,
+            errorKey: source.errorKey
+          }
+        })
+      })
+    },
+    opts
+  )
+}

backend/node_modules/pino-abstract-transport/test/fixtures/transport-transform.js

@@ -0,0 +1,24 @@
+'use strict'
+
+const { Transform, pipeline } = require('stream')
+const build = require('../..')
+
+module.exports = function (threadStreamOpts) {
+  const { opts = {} } = threadStreamOpts
+  return build(function (source) {
+    const transform = new Transform({
+      objectMode: true,
+      autoDestroy: true,
+      transform (chunk, enc, cb) {
+        chunk.service = 'from transform'
+        chunk.level = `${source.levels.labels[chunk.level]}(${chunk.level})`
+        chunk[source.messageKey] = chunk[source.messageKey].toUpperCase()
+        cb(null, JSON.stringify(chunk) + '\n')
+      }
+    })
+
+    pipeline(source, transform, () => {})
+
+    return transform
+  }, { ...opts, enablePipelining: true })
+}

backend/node_modules/pino-abstract-transport/test/fixtures/worker-pipeline.js

@@ -0,0 +1,15 @@
+'use strict'
+
+const { pipeline, PassThrough } = require('stream')
+
+module.exports = async function ({ targets }) {
+  const streams = await Promise.all(targets.map(async (t) => {
+    const fn = require(t.target)
+    const stream = await fn(t.options)
+    return stream
+  }))
+
+  const stream = new PassThrough()
+  pipeline(stream, ...streams, () => {})
+  return stream
+}

backend/node_modules/pino-abstract-transport/test/types/index.test-d.ts

@@ -0,0 +1,31 @@
+import build, { OnUnknown } from "../../index";
+import { expectType } from "tsd";
+import { Transform } from "stream";
+
+/**
+ * If enablePipelining is set to true, the function passed as an argument
+ * must return a transform. The unknown event should be listened to on the
+ * stream passed in the first argument.
+ */
+expectType<Transform>(build((source) => source, { enablePipelining: true }));
+
+/**
+ * If expectPinoConfig is set with enablePipelining, build returns a promise
+ */
+expectType<(Promise<Transform>)>(build((source) => source, { enablePipelining: true, expectPinoConfig: true }));
+
+/**
+ * If enablePipelining is not set the unknown event can be listened to on
+ * the returned stream.
+ */
+expectType<Transform & OnUnknown>(build((source) => {}));
+
+/**
+ * If expectPinoConfig is set, build returns a promise
+ */
+expectType<(Promise<Transform & OnUnknown>)>(build((source) => {}, { expectPinoConfig: true }));
+
+/**
+ * build also accepts an async function
+ */
+expectType<Transform  & OnUnknown>(build(async (source) => {}));

backend/node_modules/pino-abstract-transport/test/worker.test.js

@@ -0,0 +1,357 @@
+'use strict'
+
+const { once } = require('events')
+const { join } = require('path')
+const ThreadStream = require('thread-stream')
+const { MessageChannel } = require('worker_threads')
+const { test } = require('tap')
+
+workerTest('transport-on-data.js')
+workerTest('transport-async-iteration.js', ' when using async iteration')
+
+function workerTest (filename, description = '') {
+  test(`does not wait for pino to send config by default${description}`, function ({ same, plan }) {
+    plan(4)
+    const { port1, port2 } = new MessageChannel()
+    const stream = new ThreadStream({
+      filename: join(__dirname, 'fixtures', filename),
+      workerData: { port: port1 },
+      workerOpts: {
+        transferList: [port1]
+      }
+    })
+
+    const expected = [{
+      level: 30,
+      time: 1617955768092,
+      pid: 2942,
+      hostname: 'MacBook-Pro.local',
+      msg: 'hello world'
+    }, {
+      level: 30,
+      time: 1617955768092,
+      pid: 2942,
+      hostname: 'MacBook-Pro.local',
+      msg: 'another message',
+      prop: 42
+    }]
+
+    const emptyPinoConfig = {
+      levels: undefined,
+      messageKey: undefined,
+      errorKey: undefined
+    }
+
+    port2.on('message', function (message) {
+      same(expected.shift(), message.data)
+      same(emptyPinoConfig, message.pinoConfig)
+    })
+
+    const lines = expected.map(JSON.stringify).join('\n')
+    stream.write(lines)
+    stream.end()
+  })
+
+  test(`does not wait for pino to send config if transport is not expecting it${description}`, function ({ same, plan }) {
+    plan(4)
+    const { port1, port2 } = new MessageChannel()
+    const stream = new ThreadStream({
+      filename: join(__dirname, 'fixtures', filename),
+      workerData: {
+        port: port1,
+        pinoWillSendConfig: true
+      },
+      workerOpts: {
+        transferList: [port1]
+      }
+    })
+
+    const expected = [{
+      level: 30,
+      time: 1617955768092,
+      pid: 2942,
+      hostname: 'MacBook-Pro.local',
+      msg: 'hello world'
+    }, {
+      level: 30,
+      time: 1617955768092,
+      pid: 2942,
+      hostname: 'MacBook-Pro.local',
+      msg: 'another message',
+      prop: 42
+    }]
+
+    const emptyPinoConfig = {
+      levels: undefined,
+      messageKey: undefined,
+      errorKey: undefined
+    }
+
+    const pinoConfig = {
+      levels: {
+        labels: { 30: 'info' },
+        values: { info: 30 }
+      },
+      messageKey: 'msg',
+      errorKey: 'err'
+    }
+
+    stream.emit('message', { code: 'PINO_CONFIG', config: pinoConfig })
+
+    port2.on('message', function (message) {
+      same(expected.shift(), message.data)
+      same(emptyPinoConfig, message.pinoConfig)
+    })
+
+    const lines = expected.map(JSON.stringify).join('\n')
+    stream.write(lines)
+    stream.end()
+  })
+
+  test(`waits for the pino config when pino intends to send it and the transport requests it${description}`, function ({ same, plan }) {
+    plan(4)
+    const { port1, port2 } = new MessageChannel()
+    const stream = new ThreadStream({
+      filename: join(__dirname, 'fixtures', filename),
+      workerData: {
+        port: port1,
+        pinoWillSendConfig: true,
+        opts: {
+          expectPinoConfig: true
+        }
+      },
+      workerOpts: {
+        transferList: [port1]
+      }
+    })
+
+    const expected = [{
+      level: 30,
+      time: 1617955768092,
+      pid: 2942,
+      hostname: 'MacBook-Pro.local',
+      msg: 'hello world'
+    }, {
+      level: 30,
+      time: 1617955768092,
+      pid: 2942,
+      hostname: 'MacBook-Pro.local',
+      msg: 'another message',
+      prop: 42
+    }]
+
+    const pinoConfig = {
+      levels: {
+        labels: { 30: 'info' },
+        values: { info: 30 }
+      },
+      messageKey: 'msg',
+      errorKey: 'err'
+    }
+
+    port2.on('message', function (message) {
+      same(expected.shift(), message.data)
+      same(pinoConfig, message.pinoConfig)
+    })
+
+    const lines = expected.map(JSON.stringify).join('\n')
+    stream.emit('message', { code: 'PINO_CONFIG', config: pinoConfig })
+    stream.write(lines)
+    stream.end()
+  })
+
+  test(`continues to listen if it receives a message that is not PINO_CONFIG${description}`, function ({ same, plan }) {
+    plan(4)
+    const { port1, port2 } = new MessageChannel()
+    const stream = new ThreadStream({
+      filename: join(__dirname, 'fixtures', 'transport-on-data.js'),
+      workerData: {
+        port: port1,
+        pinoWillSendConfig: true,
+        opts: {
+          expectPinoConfig: true
+        }
+      },
+      workerOpts: {
+        transferList: [port1]
+      }
+    })
+
+    const expected = [{
+      level: 30,
+      time: 1617955768092,
+      pid: 2942,
+      hostname: 'MacBook-Pro.local',
+      msg: 'hello world'
+    }, {
+      level: 30,
+      time: 1617955768092,
+      pid: 2942,
+      hostname: 'MacBook-Pro.local',
+      msg: 'another message',
+      prop: 42
+    }]
+
+    const pinoConfig = {
+      levels: {
+        labels: { 30: 'info' },
+        values: { info: 30 }
+      },
+      messageKey: 'msg',
+      errorKey: 'err'
+    }
+
+    port2.on('message', function (message) {
+      same(expected.shift(), message.data)
+      same(pinoConfig, message.pinoConfig)
+    })
+
+    const lines = expected.map(JSON.stringify).join('\n')
+    stream.emit('message', 'not a PINO_CONFIG')
+    stream.emit('message', { code: 'NOT_PINO_CONFIG', config: { levels: 'foo', messageKey: 'bar', errorKey: 'baz' } })
+    stream.emit('message', { code: 'PINO_CONFIG', config: pinoConfig })
+    stream.write(lines)
+    stream.end()
+  })
+
+  test(`waits for the pino config even if it is sent after write${description}`, function ({ same, plan }) {
+    plan(4)
+    const { port1, port2 } = new MessageChannel()
+    const stream = new ThreadStream({
+      filename: join(__dirname, 'fixtures', filename),
+      workerData: {
+        port: port1,
+        pinoWillSendConfig: true,
+        opts: {
+          expectPinoConfig: true
+        }
+      },
+      workerOpts: {
+        transferList: [port1]
+      }
+    })
+
+    const expected = [{
+      level: 30,
+      time: 1617955768092,
+      pid: 2942,
+      hostname: 'MacBook-Pro.local',
+      msg: 'hello world'
+    }, {
+      level: 30,
+      time: 1617955768092,
+      pid: 2942,
+      hostname: 'MacBook-Pro.local',
+      msg: 'another message',
+      prop: 42
+    }]
+
+    const pinoConfig = {
+      levels: {
+        labels: { 30: 'info' },
+        values: { info: 30 }
+      },
+      messageKey: 'msg',
+      errorKey: 'err'
+    }
+
+    port2.on('message', function (message) {
+      same(expected.shift(), message.data)
+      same(pinoConfig, message.pinoConfig)
+    })
+
+    const lines = expected.map(JSON.stringify).join('\n')
+    stream.write(lines)
+    stream.emit('message', { code: 'PINO_CONFIG', config: pinoConfig })
+    stream.end()
+  })
+
+  test(`emits an error if the transport expects pino to send the config, but pino is not going to${description}`, async function ({ plan, same, ok }) {
+    plan(2)
+    const stream = new ThreadStream({
+      filename: join(__dirname, 'fixtures', filename),
+      workerData: {
+        opts: {
+          expectPinoConfig: true
+        }
+      }
+    })
+    const [err] = await once(stream, 'error')
+    same(err.message, 'This transport is not compatible with the current version of pino. Please upgrade pino to the latest version.')
+    ok(stream.destroyed)
+  })
+}
+
+test('waits for the pino config when pipelining', function ({ same, plan }) {
+  plan(2)
+  const { port1, port2 } = new MessageChannel()
+  const stream = new ThreadStream({
+    filename: join(__dirname, 'fixtures', 'worker-pipeline.js'),
+    workerData: {
+      pinoWillSendConfig: true,
+      targets: [{
+        target: './transport-transform.js',
+        options: {
+          opts: { expectPinoConfig: true }
+        }
+      }, {
+        target: './transport-on-data.js',
+        options: {
+          port: port1
+        }
+      }]
+    },
+    workerOpts: {
+      transferList: [port1]
+    }
+  })
+
+  const expected = [{
+    level: 'info(30)',
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'HELLO WORLD',
+    service: 'from transform'
+  }, {
+    level: 'info(30)',
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'ANOTHER MESSAGE',
+    prop: 42,
+    service: 'from transform'
+  }]
+
+  const lines = [{
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'hello world'
+  }, {
+    level: 30,
+    time: 1617955768092,
+    pid: 2942,
+    hostname: 'MacBook-Pro.local',
+    msg: 'another message',
+    prop: 42
+  }].map(JSON.stringify).join('\n')
+
+  const pinoConfig = {
+    levels: {
+      labels: { 30: 'info' },
+      values: { info: 30 }
+    },
+    messageKey: 'msg',
+    errorKey: 'err'
+  }
+
+  port2.on('message', function (message) {
+    same(expected.shift(), message.data)
+  })
+
+  stream.emit('message', { code: 'PINO_CONFIG', config: pinoConfig })
+  stream.write(lines)
+  stream.end()
+})