Files
infocom-systems-design/node_modules/pino/test/transport/syncfalse.test.js
2025-10-03 22:27:28 +03:00

69 lines
1.9 KiB
JavaScript

'use strict'
const os = require('os')
const pino = require('../..')
const { join } = require('path')
const { test } = require('tap')
const { readFile } = require('fs').promises
const { watchFileCreated, file } = require('../helper')
const { promisify } = require('util')
const { pid } = process
const hostname = os.hostname()
test('thread-stream async flush', async ({ equal, same }) => {
const destination = file()
const transport = pino.transport({
target: join(__dirname, '..', 'fixtures', 'to-file-transport.js'),
options: { destination }
})
const instance = pino(transport)
instance.info('hello')
equal(instance.flush(), undefined)
await watchFileCreated(destination)
const result = JSON.parse(await readFile(destination))
delete result.time
same(result, {
pid,
hostname,
level: 30,
msg: 'hello'
})
})
test('thread-stream async flush should call the passed callback', async (t) => {
const outputPath = file()
async function getOutputLogLines () {
return (await readFile(outputPath)).toString().trim().split('\n').map(JSON.parse)
}
const transport = pino.transport({
target: join(__dirname, '..', 'fixtures', 'to-file-transport.js'),
options: { destination: outputPath }
})
const instance = pino(transport)
const flushPromise = promisify(instance.flush).bind(instance)
instance.info('hello')
await flushPromise()
await watchFileCreated(outputPath)
const [firstFlushData] = await getOutputLogLines()
t.equal(firstFlushData.msg, 'hello')
// should not flush this as no data accumulated that's bigger than min length
instance.info('world')
// Making sure data is not flushed yet
const afterLogData = await getOutputLogLines()
t.equal(afterLogData.length, 1)
await flushPromise()
// Making sure data is not flushed yet
const afterSecondFlush = (await getOutputLogLines())[1]
t.equal(afterSecondFlush.msg, 'world')
})