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.husky
.taprc
LICENSE
README.md
bench.js
check.js
example.js
fixtures
index.js
package.json
test.js
types
مشاهدة ملف: test.js
'use strict'
const { test, teardown } = require('tap')
const { join } = require('path')
const { fork } = require('child_process')
const fs = require('fs')
const os = require('os')
const path = require('path')
const proxyquire = require('proxyquire')
const SonicBoom = require('.')
const isWindows = process.platform === 'win32'
const MAX_WRITE = 16 * 1024
const files = []
let count = 0
function file () {
const file = path.join(os.tmpdir(), `sonic-boom-${process.pid}-${process.hrtime().toString()}-${count++}`)
files.push(file)
return file
}
teardown(() => {
const rmSync = fs.rmSync || fs.rmdirSync
files.forEach((file) => {
try {
if (fs.existsSync(file)) {
fs.statSync(file).isDirectory() ? rmSync(file, { recursive: true, maxRetries: 10 }) : fs.unlinkSync(file)
}
} catch (e) {
console.log(e)
}
})
})
test('sync false', (t) => {
buildTests(t.test, false)
t.end()
})
test('sync true', (t) => {
buildTests(t.test, true)
t.end()
})
function buildTests (test, sync) {
// Reset the umask for testing
process.umask(0o000)
test('write things to a file descriptor', (t) => {
t.plan(6)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, sync })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('write things in a streaming fashion', (t) => {
t.plan(8)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, sync })
stream.once('drain', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\n')
t.ok(stream.write('something else\n'))
})
stream.once('drain', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
stream.end()
})
})
})
t.ok(stream.write('hello world\n'))
stream.on('finish', () => {
t.pass('finish emitted')
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('can be piped into', (t) => {
t.plan(4)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, sync })
const source = fs.createReadStream(__filename)
source.pipe(stream)
stream.on('finish', () => {
fs.readFile(__filename, 'utf8', (err, expected) => {
t.error(err)
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, expected)
})
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('write things to a file', (t) => {
t.plan(6)
const dest = file()
const stream = new SonicBoom({ dest, sync })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('flushSync', (t) => {
t.plan(4)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 4096, sync })
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.flushSync()
// let the file system settle down things
setImmediate(function () {
stream.end()
const data = fs.readFileSync(dest, 'utf8')
t.equal(data, 'hello world\nsomething else\n')
stream.on('close', () => {
t.pass('close emitted')
})
})
})
test('destroy', (t) => {
t.plan(5)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, sync })
t.ok(stream.write('hello world\n'))
stream.destroy()
t.throws(() => { stream.write('hello world\n') })
fs.readFile(dest, 'utf8', function (err, data) {
t.error(err)
t.equal(data, 'hello world\n')
})
stream.on('finish', () => {
t.fail('finish emitted')
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('destroy while opening', (t) => {
t.plan(1)
const dest = file()
const stream = new SonicBoom({ dest })
stream.destroy()
stream.on('close', () => {
t.pass('close emitted')
})
})
test('minLength', (t) => {
t.plan(8)
const dest = file()
const stream = new SonicBoom({ dest, minLength: 4096, sync })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
const fail = t.fail
stream.on('drain', fail)
// bad use of timer
// TODO refactor
setTimeout(function () {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, '')
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
})
})
})
}, 100)
stream.on('close', () => {
t.pass('close emitted')
})
})
test('append', (t) => {
t.plan(4)
const dest = file()
fs.writeFileSync(dest, 'hello world\n')
const stream = new SonicBoom({ dest, append: false, sync })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('something else\n'))
stream.flush()
stream.on('drain', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'something else\n')
stream.end()
})
})
})
test('mkdir', (t) => {
t.plan(4)
const dest = path.join(file(), 'out.log')
const stream = new SonicBoom({ dest, mkdir: true, sync })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
stream.flush()
stream.on('drain', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\n')
stream.end()
})
})
})
test('flush', (t) => {
t.plan(5)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 4096, sync })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.flush()
stream.on('drain', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
stream.end()
})
})
})
test('flush with no data', (t) => {
t.plan(2)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 4096, sync })
stream.on('ready', () => {
t.pass('ready emitted')
})
stream.flush()
stream.on('drain', () => {
t.pass('drain emitted')
})
})
test('reopen', (t) => {
t.plan(9)
const dest = file()
const stream = new SonicBoom({ dest, sync })
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
const after = dest + '-moved'
stream.once('drain', () => {
t.pass('drain emitted')
fs.renameSync(dest, after)
stream.reopen()
stream.once('ready', () => {
t.pass('ready emitted')
t.ok(stream.write('after reopen\n'))
stream.on('drain', () => {
fs.readFile(after, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'after reopen\n')
stream.end()
})
})
})
})
})
})
test('reopen with buffer', (t) => {
t.plan(9)
const dest = file()
const stream = new SonicBoom({ dest, minLength: 4096, sync })
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
const after = dest + '-moved'
stream.once('ready', () => {
t.pass('drain emitted')
stream.flush()
fs.renameSync(dest, after)
stream.reopen()
stream.once('ready', () => {
t.pass('ready emitted')
t.ok(stream.write('after reopen\n'))
stream.flush()
stream.on('drain', () => {
fs.readFile(after, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'after reopen\n')
stream.end()
})
})
})
})
})
})
test('reopen if not open', (t) => {
t.plan(3)
const dest = file()
const stream = new SonicBoom({ dest, sync })
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.reopen()
stream.end()
stream.on('close', function () {
t.pass('ended')
})
})
test('end after reopen', (t) => {
t.plan(4)
const dest = file()
const stream = new SonicBoom({ dest, minLength: 4096, sync })
stream.once('ready', () => {
t.pass('ready emitted')
const after = dest + '-moved'
stream.reopen(after)
stream.write('after reopen\n')
stream.on('finish', () => {
t.pass('finish emitted')
fs.readFile(after, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'after reopen\n')
})
})
stream.end()
})
})
test('end after 2x reopen', (t) => {
t.plan(4)
const dest = file()
const stream = new SonicBoom({ dest, minLength: 4096, sync })
stream.once('ready', () => {
t.pass('ready emitted')
stream.reopen(dest + '-moved')
const after = dest + '-moved-moved'
stream.reopen(after)
stream.write('after reopen\n')
stream.on('finish', () => {
t.pass('finish emitted')
fs.readFile(after, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'after reopen\n')
})
})
stream.end()
})
})
test('end if not ready', (t) => {
t.plan(3)
const dest = file()
const stream = new SonicBoom({ dest, minLength: 4096, sync })
const after = dest + '-moved'
stream.reopen(after)
stream.write('after reopen\n')
stream.on('finish', () => {
t.pass('finish emitted')
fs.readFile(after, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'after reopen\n')
})
})
stream.end()
})
test('reopen with file', (t) => {
t.plan(9)
const dest = file()
const stream = new SonicBoom({ dest, minLength: 0, sync })
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
const after = dest + '-new'
stream.once('drain', () => {
t.pass('drain emitted')
stream.reopen(after)
stream.once('ready', () => {
t.pass('ready emitted')
t.ok(stream.write('after reopen\n'))
stream.on('drain', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
fs.readFile(after, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'after reopen\n')
stream.end()
})
})
})
})
})
})
test('chunk data accordingly', (t) => {
t.plan(2)
const child = fork(join(__dirname, 'fixtures', 'firehose.js'), { silent: true })
const str = Buffer.alloc(10000).fill('a').toString()
let data = ''
child.stdout.on('data', function (chunk) {
data += chunk.toString()
})
child.stdout.on('end', function () {
t.equal(data, str)
})
child.on('close', function (code) {
t.equal(code, 0)
})
})
test('write later on recoverable error', (t) => {
t.plan(8)
const fakeFs = Object.create(fs)
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 0, sync })
stream.on('ready', () => {
t.pass('ready emitted')
})
stream.on('error', () => {
t.pass('error emitted')
})
if (sync) {
fakeFs.writeSync = function (fd, buf, enc) {
t.pass('fake fs.writeSync called')
throw new Error('recoverable error')
}
} else {
fakeFs.write = function (fd, buf, enc, cb) {
t.pass('fake fs.write called')
setTimeout(() => cb(new Error('recoverable error')), 0)
}
}
t.ok(stream.write('hello world\n'))
setTimeout(() => {
if (sync) {
fakeFs.writeSync = fs.writeSync
} else {
fakeFs.write = fs.write
}
t.ok(stream.write('something else\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
}, 0)
})
test('reopen throws an error', (t) => {
t.plan(sync ? 10 : 9)
const fakeFs = Object.create(fs)
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const stream = new SonicBoom({ dest, sync })
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
const after = dest + '-moved'
stream.on('error', () => {
t.pass('error emitted')
})
stream.once('drain', () => {
t.pass('drain emitted')
fs.renameSync(dest, after)
if (sync) {
fakeFs.openSync = function (file, flags) {
t.pass('fake fs.openSync called')
throw new Error('open error')
}
} else {
fakeFs.open = function (file, flags, mode, cb) {
t.pass('fake fs.open called')
setTimeout(() => cb(new Error('open error')), 0)
}
}
if (sync) {
try {
stream.reopen()
} catch (err) {
t.pass('reopen throwed')
}
} else {
stream.reopen()
}
setTimeout(() => {
t.ok(stream.write('after reopen\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(after, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\nafter reopen\n')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
}, 0)
})
})
test('mode', { skip: isWindows }, (t) => {
t.plan(6)
const dest = file()
const mode = 0o666
const stream = new SonicBoom({ dest, sync, mode })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
t.equal(fs.statSync(dest).mode & 0o777, stream.mode)
})
})
})
test('mode default', { skip: isWindows }, (t) => {
t.plan(6)
const dest = file()
const defaultMode = 0o666
const stream = new SonicBoom({ dest, sync })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
t.equal(fs.statSync(dest).mode & 0o777, defaultMode)
})
})
})
test('mode on mkdir', { skip: isWindows }, (t) => {
t.plan(5)
const dest = path.join(file(), 'out.log')
const mode = 0o666
const stream = new SonicBoom({ dest, mkdir: true, mode, sync })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
stream.flush()
stream.on('drain', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\n')
t.equal(fs.statSync(dest).mode & 0o777, stream.mode)
stream.end()
})
})
})
test('mode on append', { skip: isWindows }, (t) => {
t.plan(5)
const dest = file()
fs.writeFileSync(dest, 'hello world\n', 'utf8', 0o422)
const mode = isWindows ? 0o444 : 0o666
const stream = new SonicBoom({ dest, append: false, mode, sync })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('something else\n'))
stream.flush()
stream.on('drain', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'something else\n')
t.equal(fs.statSync(dest).mode & 0o777, stream.mode)
stream.end()
})
})
})
test('emit write events', (t) => {
t.plan(7)
const dest = file()
const stream = new SonicBoom({ dest, sync })
stream.on('ready', () => {
t.pass('ready emitted')
})
let length = 0
stream.on('write', (bytes) => {
length += bytes
})
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
t.equal(length, 27)
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
}
test('drain deadlock', (t) => {
t.plan(4)
const dest = file()
const stream = new SonicBoom({ dest, sync: false, minLength: 9999 })
t.ok(stream.write(Buffer.alloc(1500).fill('x').toString()))
t.ok(stream.write(Buffer.alloc(1500).fill('x').toString()))
t.ok(!stream.write(Buffer.alloc(MAX_WRITE).fill('x').toString()))
stream.on('drain', () => {
t.pass()
})
})
test('retry on EAGAIN', (t) => {
t.plan(7)
const fakeFs = Object.create(fs)
fakeFs.write = function (fd, buf, enc, cb) {
t.pass('fake fs.write called')
fakeFs.write = fs.write
const err = new Error('EAGAIN')
err.code = 'EAGAIN'
process.nextTick(cb, err)
}
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, sync: false, minLength: 0 })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('emit error on async EAGAIN', (t) => {
t.plan(11)
const fakeFs = Object.create(fs)
fakeFs.write = function (fd, buf, enc, cb) {
t.pass('fake fs.write called')
fakeFs.write = fs.write
const err = new Error('EAGAIN')
err.code = 'EAGAIN'
process.nextTick(cb, err)
}
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({
fd,
sync: false,
minLength: 12,
retryEAGAIN: (err, writeBufferLen, remainingBufferLen) => {
t.equal(err.code, 'EAGAIN')
t.equal(writeBufferLen, 12)
t.equal(remainingBufferLen, 0)
return false
}
})
stream.on('ready', () => {
t.pass('ready emitted')
})
stream.once('error', err => {
t.equal(err.code, 'EAGAIN')
t.ok(stream.write('something else\n'))
})
t.ok(stream.write('hello world\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('retry on EAGAIN (sync)', (t) => {
t.plan(7)
const fakeFs = Object.create(fs)
fakeFs.writeSync = function (fd, buf, enc, cb) {
t.pass('fake fs.writeSync called')
fakeFs.writeSync = fs.writeSync
const err = new Error('EAGAIN')
err.code = 'EAGAIN'
throw err
}
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 0, sync: true })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('emit error on EAGAIN (sync)', (t) => {
t.plan(11)
const fakeFs = Object.create(fs)
fakeFs.writeSync = function (fd, buf, enc, cb) {
t.pass('fake fs.writeSync called')
fakeFs.writeSync = fs.writeSync
const err = new Error('EAGAIN')
err.code = 'EAGAIN'
throw err
}
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({
fd,
minLength: 0,
sync: true,
retryEAGAIN: (err, writeBufferLen, remainingBufferLen) => {
t.equal(err.code, 'EAGAIN')
t.equal(writeBufferLen, 12)
t.equal(remainingBufferLen, 0)
return false
}
})
stream.on('ready', () => {
t.pass('ready emitted')
})
stream.once('error', err => {
t.equal(err.code, 'EAGAIN')
t.ok(stream.write('something else\n'))
})
t.ok(stream.write('hello world\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('retry in flushSync on EAGAIN', (t) => {
t.plan(7)
const fakeFs = Object.create(fs)
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, sync: false, minLength: 0 })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
fakeFs.writeSync = function (fd, buf, enc) {
t.pass('fake fs.write called')
fakeFs.writeSync = fs.writeSync
const err = new Error('EAGAIN')
err.code = 'EAGAIN'
throw err
}
t.ok(stream.write('something else\n'))
stream.flushSync()
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('throw error in flushSync on EAGAIN', (t) => {
t.plan(11)
const fakeFs = Object.create(fs)
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({
fd,
sync: false,
minLength: 1000,
retryEAGAIN: (err, writeBufferLen, remainingBufferLen) => {
t.equal(err.code, 'EAGAIN')
t.equal(writeBufferLen, 12)
t.equal(remainingBufferLen, 0)
return false
}
})
stream.on('ready', () => {
t.pass('ready emitted')
})
const err = new Error('EAGAIN')
err.code = 'EAGAIN'
fakeFs.writeSync = function (fd, buf, enc) {
Error.captureStackTrace(err)
t.pass('fake fs.write called')
fakeFs.writeSync = fs.writeSync
throw err
}
t.ok(stream.write('hello world\n'))
t.throws(stream.flushSync.bind(stream), err, 'EAGAIN')
t.ok(stream.write('something else\n'))
stream.flushSync()
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('retryEAGAIN receives remaining buffer on async if write fails', (t) => {
t.plan(12)
const fakeFs = Object.create(fs)
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({
fd,
sync: false,
minLength: 12,
retryEAGAIN: (err, writeBufferLen, remainingBufferLen) => {
t.equal(err.code, 'EAGAIN')
t.equal(writeBufferLen, 12)
t.equal(remainingBufferLen, 11)
return false
}
})
stream.on('ready', () => {
t.pass('ready emitted')
})
stream.once('error', err => {
t.equal(err.code, 'EAGAIN')
t.ok(stream.write('done'))
})
fakeFs.write = function (fd, buf, enc, cb) {
t.pass('fake fs.write called')
fakeFs.write = fs.write
const err = new Error('EAGAIN')
err.code = 'EAGAIN'
t.ok(stream.write('sonic boom\n'))
process.nextTick(cb, err)
}
t.ok(stream.write('hello world\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsonic boom\ndone')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('retryEAGAIN receives remaining buffer if exceeds maxWrite', (t) => {
t.plan(17)
const fakeFs = Object.create(fs)
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const buf = Buffer.alloc(MAX_WRITE - 2).fill('x').toString() // 1 MB
const stream = new SonicBoom({
fd,
sync: false,
minLength: MAX_WRITE - 1,
retryEAGAIN: (err, writeBufferLen, remainingBufferLen) => {
t.equal(err.code, 'EAGAIN', 'retryEAGAIN received EAGAIN error')
t.equal(writeBufferLen, buf.length, 'writeBufferLen === buf.length')
t.equal(remainingBufferLen, 23, 'remainingBufferLen === 23')
return false
}
})
stream.on('ready', () => {
t.pass('ready emitted')
})
fakeFs.write = function (fd, buf, enc, cb) {
t.pass('fake fs.write called')
const err = new Error('EAGAIN')
err.code = 'EAGAIN'
process.nextTick(cb, err)
}
fakeFs.writeSync = function (fd, buf, enc, cb) {
t.pass('fake fs.write called')
const err = new Error('EAGAIN')
err.code = 'EAGAIN'
throw err
}
t.ok(stream.write(buf), 'write buf')
t.notOk(stream.write('hello world\nsonic boom\n'), 'write hello world sonic boom')
stream.once('error', err => {
t.equal(err.code, 'EAGAIN', 'bubbled error should be EAGAIN')
try {
stream.flushSync()
} catch (err) {
t.equal(err.code, 'EAGAIN', 'thrown error should be EAGAIN')
fakeFs.write = fs.write
fakeFs.writeSync = fs.writeSync
stream.end()
}
})
stream.on('finish', () => {
t.pass('finish emitted')
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, `${buf}hello world\nsonic boom\n`, 'data on file should match written')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('write buffers that are not totally written', (t) => {
t.plan(9)
const fakeFs = Object.create(fs)
fakeFs.write = function (fd, buf, enc, cb) {
t.pass('fake fs.write called')
fakeFs.write = function (fd, buf, enc, cb) {
t.pass('calling real fs.write, ' + buf)
fs.write(fd, buf, enc, cb)
}
process.nextTick(cb, null, 0)
}
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 0, sync: false })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('write buffers that are not totally written with sync mode', (t) => {
t.plan(9)
const fakeFs = Object.create(fs)
fakeFs.writeSync = function (fd, buf, enc) {
t.pass('fake fs.write called')
fakeFs.writeSync = (fd, buf, enc) => {
t.pass('calling real fs.writeSync, ' + buf)
return fs.writeSync(fd, buf, enc)
}
return 0
}
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 0, sync: true })
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.end()
stream.on('finish', () => {
fs.readFile(dest, 'utf8', (err, data) => {
t.error(err)
t.equal(data, 'hello world\nsomething else\n')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('sync writing is fully sync', (t) => {
t.plan(6)
const fakeFs = Object.create(fs)
fakeFs.writeSync = function (fd, buf, enc, cb) {
t.pass('fake fs.write called')
return fs.writeSync(fd, buf, enc)
}
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 0, sync: true })
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
// 'drain' will be only emitted once,
// the number of assertions at the top check this.
stream.on('drain', () => {
t.pass('drain emitted')
})
const data = fs.readFileSync(dest, 'utf8')
t.equal(data, 'hello world\nsomething else\n')
})
test('write enormously large buffers async', (t) => {
t.plan(3)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 0, sync: false })
const buf = Buffer.alloc(1024).fill('x').toString() // 1 MB
let length = 0
for (let i = 0; i < 1024 * 512; i++) {
length += buf.length
stream.write(buf)
}
stream.end()
stream.on('finish', () => {
fs.stat(dest, (err, stat) => {
t.error(err)
t.equal(stat.size, length)
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('write enormously large buffers sync', (t) => {
t.plan(3)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 0, sync: true })
const buf = Buffer.alloc(1024).fill('x').toString() // 1 MB
let length = 0
for (let i = 0; i < 1024 * 512; i++) {
length += buf.length
stream.write(buf)
}
stream.end()
stream.on('finish', () => {
fs.stat(dest, (err, stat) => {
t.error(err)
t.equal(stat.size, length)
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
test('write enormously large buffers sync with utf8 multi-byte split', (t) => {
t.plan(4)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 0, sync: true })
let buf = Buffer.alloc((1024 * 16) - 2).fill('x') // 16MB - 3B
const length = buf.length + 4
buf = buf.toString() + '🌲' // 16 MB + 1B
stream.write(buf)
stream.end()
stream.on('finish', () => {
fs.stat(dest, (err, stat) => {
t.error(err)
t.equal(stat.size, length)
const char = Buffer.alloc(4)
const fd = fs.openSync(dest, 'r')
fs.readSync(fd, char, 0, 4, length - 4)
t.equal(char.toString(), '🌲')
})
})
stream.on('close', () => {
t.pass('close emitted')
})
})
// for context see this issue https://github.com/pinojs/pino/issues/871
test('file specified by dest path available immediately when options.sync is true', (t) => {
t.plan(3)
const dest = file()
const stream = new SonicBoom({ dest, sync: true })
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.flushSync()
t.pass('file opened and written to without error')
})
test('sync error handling', (t) => {
t.plan(1)
try {
/* eslint no-new: off */
new SonicBoom({ dest: '/path/to/nowwhere', sync: true })
t.fail('must throw synchronously')
} catch (err) {
t.pass('an error happened')
}
})
for (const fd of [1, 2]) {
test(`fd ${fd}`, (t) => {
t.plan(1)
const fakeFs = Object.create(fs)
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const stream = new SonicBoom({ fd })
fakeFs.close = function (fd, cb) {
t.fail(`should not close fd ${fd}`)
}
stream.end()
stream.on('close', () => {
t.pass('close emitted')
})
})
}
test('write enormously large buffers async atomicly', (t) => {
const fakeFs = Object.create(fs)
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 0, sync: false })
const buf = Buffer.alloc(1023).fill('x').toString()
fakeFs.write = function (fd, _buf, enc, cb) {
if (_buf.length % buf.length !== 0) {
t.fail('write called with wrong buffer size')
}
setImmediate(cb, null, _buf.length)
}
for (let i = 0; i < 1024 * 512; i++) {
stream.write(buf)
}
setImmediate(() => {
for (let i = 0; i < 1024 * 512; i++) {
stream.write(buf)
}
stream.end()
})
stream.on('close', () => {
t.pass('close emitted')
t.end()
})
})
test('write should not drop new data if buffer is not full', (t) => {
t.plan(2)
const fakeFs = Object.create(fs)
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 101, maxLength: 102, sync: false })
const buf = Buffer.alloc(100).fill('x').toString()
fakeFs.write = function (fd, _buf, enc, cb) {
t.equal(_buf.length, buf.length + 2)
setImmediate(cb, null, _buf.length)
fakeFs.write = () => t.error('shouldnt call write again')
stream.end()
}
stream.on('drop', (data) => {
t.error('should not drop')
})
stream.write(buf)
stream.write('aa')
stream.on('close', () => {
t.pass('close emitted')
})
})
test('write should drop new data if buffer is full', (t) => {
t.plan(3)
const fakeFs = Object.create(fs)
const SonicBoom = proxyquire('.', {
fs: fakeFs
})
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom({ fd, minLength: 101, maxLength: 102, sync: false })
const buf = Buffer.alloc(100).fill('x').toString()
fakeFs.write = function (fd, _buf, enc, cb) {
t.equal(_buf.length, buf.length)
setImmediate(cb, null, _buf.length)
fakeFs.write = () => t.error('shouldnt call write more than once')
}
stream.on('drop', (data) => {
t.equal(data.length, 3)
stream.end()
})
stream.write(buf)
stream.write('aaa')
stream.on('close', () => {
t.pass('close emitted')
})
})
test('should throw if minLength >= maxWrite', (t) => {
t.plan(1)
t.throws(() => {
const dest = file()
const fd = fs.openSync(dest, 'w')
new SonicBoom({
fd,
minLength: MAX_WRITE
})
})
})
test('make sure `maxWrite` is passed', (t) => {
t.plan(1)
const dest = file()
const stream = new SonicBoom({ dest, maxLength: 65536 })
t.equal(stream.maxLength, 65536)
})