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backend/node_modules/pino/test/transport/uses-pino-config.test.js

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+'use strict'
+
+const os = require('node:os')
+const { join } = require('node:path')
+const { readFile } = require('node:fs').promises
+const writeStream = require('flush-write-stream')
+const { watchFileCreated, file } = require('../helper')
+const { test } = require('tap')
+const pino = require('../../')
+
+const { pid } = process
+const hostname = os.hostname()
+
+function serializeError (error) {
+  return {
+    type: error.name,
+    message: error.message,
+    stack: error.stack
+  }
+}
+
+function parseLogs (buffer) {
+  return JSON.parse(`[${buffer.toString().replace(/}{/g, '},{')}]`)
+}
+
+test('transport uses pino config', async ({ same, teardown, plan }) => {
+  plan(1)
+  const destination = file()
+  const transport = pino.transport({
+    pipeline: [{
+      target: join(__dirname, '..', 'fixtures', 'transport-uses-pino-config.js')
+    }, {
+      target: 'pino/file',
+      options: { destination }
+    }]
+  })
+  teardown(transport.end.bind(transport))
+  const instance = pino({
+    messageKey: 'customMessageKey',
+    errorKey: 'customErrorKey',
+    customLevels: { custom: 35 }
+  }, transport)
+
+  const error = new Error('bar')
+  instance.custom('foo')
+  instance.error(error)
+  await watchFileCreated(destination)
+  const result = parseLogs(await readFile(destination))
+
+  same(result, [{
+    severityText: 'custom',
+    body: 'foo',
+    attributes: {
+      pid,
+      hostname
+    }
+  }, {
+    severityText: 'error',
+    body: 'bar',
+    attributes: {
+      pid,
+      hostname
+    },
+    error: serializeError(error)
+  }])
+})
+
+test('transport uses pino config without customizations', async ({ same, teardown, plan }) => {
+  plan(1)
+  const destination = file()
+  const transport = pino.transport({
+    pipeline: [{
+      target: join(__dirname, '..', 'fixtures', 'transport-uses-pino-config.js')
+    }, {
+      target: 'pino/file',
+      options: { destination }
+    }]
+  })
+  teardown(transport.end.bind(transport))
+  const instance = pino(transport)
+
+  const error = new Error('qux')
+  instance.info('baz')
+  instance.error(error)
+  await watchFileCreated(destination)
+  const result = parseLogs(await readFile(destination))
+
+  same(result, [{
+    severityText: 'info',
+    body: 'baz',
+    attributes: {
+      pid,
+      hostname
+    }
+  }, {
+    severityText: 'error',
+    body: 'qux',
+    attributes: {
+      pid,
+      hostname
+    },
+    error: serializeError(error)
+  }])
+})
+
+test('transport uses pino config with multistream', async ({ same, teardown, plan }) => {
+  plan(2)
+  const destination = file()
+  const messages = []
+  const stream = writeStream(function (data, enc, cb) {
+    const message = JSON.parse(data)
+    delete message.time
+    messages.push(message)
+    cb()
+  })
+  const transport = pino.transport({
+    pipeline: [{
+      target: join(__dirname, '..', 'fixtures', 'transport-uses-pino-config.js')
+    }, {
+      target: 'pino/file',
+      options: { destination }
+    }]
+  })
+  teardown(transport.end.bind(transport))
+  const instance = pino({
+    messageKey: 'customMessageKey',
+    errorKey: 'customErrorKey',
+    customLevels: { custom: 35 }
+  }, pino.multistream([transport, { stream }]))
+
+  const error = new Error('buzz')
+  const serializedError = serializeError(error)
+  instance.custom('fizz')
+  instance.error(error)
+  await watchFileCreated(destination)
+  const result = parseLogs(await readFile(destination))
+
+  same(result, [{
+    severityText: 'custom',
+    body: 'fizz',
+    attributes: {
+      pid,
+      hostname
+    }
+  }, {
+    severityText: 'error',
+    body: 'buzz',
+    attributes: {
+      pid,
+      hostname
+    },
+    error: serializedError
+  }])
+
+  same(messages, [{
+    level: 35,
+    pid,
+    hostname,
+    customMessageKey: 'fizz'
+  }, {
+    level: 50,
+    pid,
+    hostname,
+    customErrorKey: serializedError,
+    customMessageKey: 'buzz'
+  }])
+})