First commit

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

@@ -0,0 +1,445 @@
+'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()
+})