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'use strict'
/* global emitOnexit:true */ // eslint-disable-line no-unused-vars
var path = require('path')
var fs = require('fs')
var stream = require('stream')
var EventEmitter = require('events')
exports.fixturesDir = path.join(__dirname, 'fixtures')
var mustCallChecks = []
if (process.on === process.emit) {
let emitter
const reset = () => {
mustCallChecks = []
emitter = new EventEmitter()
process.on = emitter.on.bind(emitter)
process.once = emitter.once.bind(emitter)
}
emitOnexit = () => {
emitter.emit('exit')
reset()
}
reset()
}
function runCallChecks (exitCode) {
if (exitCode !== 0) return
var failed = mustCallChecks.filter(function (context) {
return context.actual !== context.expected
})
failed.forEach(function (context) {
console.log('Mismatched %s function calls. Expected %d, actual %d.',
context.name,
context.expected,
context.actual)
console.log(context.stack.split('\n').slice(2).join('\n'))
})
if (failed.length) process.exit(1)
}
exports.mustCall = function (fn, expected) {
if (typeof expected !== 'number') expected = 1
var context = {
expected: expected,
actual: 0,
stack: (new Error()).stack,
name: fn.name || '<anonymous>'
}
// add the exit listener only once to avoid listener leak warnings
if (mustCallChecks.length === 0) process.on('exit', runCallChecks)
mustCallChecks.push(context)
return function () {
context.actual++
return fn.apply(this, arguments)
}
}
var testRoot = path.resolve(path.dirname(__filename))
exports.tmpDirName = 'tmp'
exports.tmpDir = path.join(testRoot, exports.tmpDirName)
function rmdirSync (p, originalEr) {
try {
fs.rmdirSync(p)
} catch (e) {
if (e.code === 'ENOTDIR') {
throw originalEr
}
if (e.code === 'ENOTEMPTY' || e.code === 'EEXIST' || e.code === 'EPERM') {
fs.readdirSync(p).forEach(function (f) {
rimrafSync(path.join(p, f))
})
fs.rmdirSync(p)
}
}
}
function rimrafSync (p) {
try {
var st = fs.lstatSync(p)
} catch (e) {
if (e.code === 'ENOENT') {
return
}
}
try {
if (st && st.isDirectory()) {
rmdirSync(p, null)
} else {
fs.unlinkSync(p)
}
} catch (e) {
if (e.code === 'ENOENT') {
return
}
if (e.code === 'EPERM') {
return rmdirSync(p, e)
}
if (e.code !== 'EISDIR') {
throw e
}
rmdirSync(p, e)
}
}
exports.refreshTmpDir = function () {
rimrafSync(exports.tmpDir)
fs.mkdirSync(exports.tmpDir)
}
const rFS = 'readFileSync' // this stops the brfs static analyzer
if (!fs[rFS]) {
// this is to make it work with brfs
const files = {
'elipses.txt': fs.readFileSync(path.resolve('test/fixtures', 'elipses.txt')),
// there is a strange issue like https://github.com/nodejs/node-v0.x-archive/issues/7914,
// even though that should be fixed.
'empty.txt': Buffer.alloc(0),
// 'empty.txt': fs.readFileSync(path.resolve('test/fixtures', 'empty.txt')),
'person.jpg': fs.readFileSync(path.resolve('test/fixtures', 'person.jpg')),
'person.jpg.gz': fs.readFileSync(path.resolve('test/fixtures', 'person.jpg.gz')),
'pseudo-multimember-gzip.gz': fs.readFileSync(path.resolve('test/fixtures', 'pseudo-multimember-gzip.gz')),
'pseudo-multimember-gzip.z': fs.readFileSync(path.resolve('test/fixtures', 'pseudo-multimember-gzip.z'))
}
Object.keys(files).forEach(file => {
files[path.resolve(exports.fixturesDir, file)] = files[file]
})
fs[rFS] = name => {
if (!files[name]) throw new Error(`file "${name}" not found`)
return files[name]
}
const cRS = 'createReadStream'
fs[cRS] = name => {
const s = new stream.Readable()
s.push(fs.readFileSync(name))
s.push(null)
return s
}
fs.createWriteStream = name => {
const s = new stream.Writable()
const chunks = []
s._write = (chunk, encoding, callback) => {
chunks.push(chunk)
callback()
}
s.on('finish', () => {
files[name] = Buffer.concat(chunks)
})
return s
}
exports.refreshTmpDir = () => {}
}
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