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test.js
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test.js
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'use strict'
const tap = require('tap')
const test = tap.test
const tearDown = tap.tearDown
const fs = require('fs')
const os = require('os')
const path = require('path')
const SonicBoom = require('.')
const files = []
function file () {
const file = path.join(os.tmpdir(), `sonic-boom-${process.pid}-${process.hrtime().toString()}`)
files.push(file)
return file
}
tearDown(() => {
files.forEach((file) => {
try {
fs.unlinkSync(file)
} catch (e) {
console.log(e)
}
})
})
test('write things to a file descriptor', (t) => {
t.plan(5)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom(fd)
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')
})
})
})
test('write things in a streaming fashion', (t) => {
t.plan(7)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom(fd)
t.ok(stream.write('hello world\n'))
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()
})
})
})
stream.on('finish', () => {
t.pass('finish emitted')
})
})
test('can be piped into', (t) => {
t.plan(3)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom(fd)
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)
})
})
})
})
test('write things to a file', (t) => {
t.plan(5)
const dest = file()
const stream = new SonicBoom(dest)
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')
})
})
})
test('flushSync', (t) => {
t.plan(3)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom(fd)
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
stream.flushSync()
stream.end()
const data = fs.readFileSync(dest, 'utf8')
t.equal(data, 'hello world\nsomething else\n')
})
test('destroy', (t) => {
t.plan(4)
const dest = file()
const fd = fs.openSync(dest, 'w')
const stream = new SonicBoom(fd)
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')
})
})
test('minLength', (t) => {
t.plan(7)
const dest = file()
const stream = new SonicBoom(dest, 4096)
stream.on('ready', () => {
t.pass('ready emitted')
})
t.ok(stream.write('hello world\n'))
t.ok(stream.write('something else\n'))
var 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)
})