pino/test/caller.test.js

super fast, all natural json logger

'use strict'

const test = require('node:test')
const assert = require('node:assert')
const loop = require('./fixtures/caller-loop.js')

test('returns a callstack of absolute paths', () => {
  const callers = loop(7).map(fileName => fileName.substring(__dirname.length))

  // default callstack size is 10, but the top 2 are dropped
  assert.equal(callers.length, 8)
  assert.match(callers[0], /^[/\\]fixtures[/\\]caller-loop\.js$/)
  assert.match(callers[1], /^[/\\]fixtures[/\\]caller-loop\.js$/)
  assert.match(callers[2], /^[/\\]fixtures[/\\]caller-loop\.js$/)
  assert.match(callers[3], /^[/\\]fixtures[/\\]caller-loop\.js$/)
  assert.match(callers[4], /^[/\\]fixtures[/\\]caller-loop\.js$/)
  assert.match(callers[5], /^[/\\]fixtures[/\\]caller-loop\.js$/)
  assert.match(callers[6], /^[/\\]fixtures[/\\]caller-loop\.js$/)
  assert.match(callers[7], /^[/\\]caller\.test\.js$/)
})