logger.test.js — fastify Source File

Architecture documentation for logger.test.js, a javascript file in the fastify codebase.

File javascript CoreKernel InstanceFactory 3 functions

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CoreKernel→ InstanceFactory→ logger.test.js — fastify Source File

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Source Code

'use strict'

const { test } = require('node:test')
const Fastify = require('../..')
const loggerUtils = require('../../lib/logger-factory')
const { serializers } = require('../../lib/logger-pino')

test('time resolution', t => {
  t.plan(2)
  t.assert.strictEqual(typeof loggerUtils.now, 'function')
  t.assert.strictEqual(typeof loggerUtils.now(), 'number')
})

test('The logger should add a unique id for every request', (t, done) => {
  const ids = []

  const fastify = Fastify()
  fastify.get('/', (req, reply) => {
    t.assert.ok(req.id)
    reply.send({ id: req.id })
  })

  fastify.listen({ port: 0 }, err => {
    t.assert.ifError(err)
    const queue = new Queue()
    for (let i = 0; i < 10; i++) {
      queue.add(checkId)
    }
    queue.add(() => {
      fastify.close()
      done()
    })
  })

  function checkId (done) {
    fastify.inject({
      method: 'GET',
      url: 'http://localhost:' + fastify.server.address().port
    }, (err, res) => {
      t.assert.ifError(err)
      const payload = JSON.parse(res.payload)
      t.assert.ok(ids.indexOf(payload.id) === -1, 'the id should not be duplicated')
      ids.push(payload.id)
      done()
    })
  }
})

test('The logger should not reuse request id header for req.id', (t, done) => {
  const fastify = Fastify()
  fastify.get('/', (req, reply) => {
    t.assert.ok(req.id)
    reply.send({ id: req.id })
  })

  fastify.listen({ port: 0 }, err => {
    t.assert.ifError(err)

    fastify.inject({
      method: 'GET',
// ... (104 more lines)