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'use strict'
var fs = require('fs')
var path = require('path')
var test = require('tap').test
var rimraf = require('rimraf')
var writable = require('../../lib/install/writable.js').fsAccessImplementation
var writableFallback = require('../../lib/install/writable.js').fsOpenImplementation
var exists = require('../../lib/install/exists.js').fsAccessImplementation
var existsFallback = require('../../lib/install/exists.js').fsStatImplementation
const common = require('../common-tap.js')
var testBase = common.pkg
var existingDir = path.resolve(testBase, 'exists')
var nonExistingDir = path.resolve(testBase, 'does-not-exist')
var writableDir = path.resolve(testBase, 'writable')
var nonWritableDir = path.resolve(testBase, 'non-writable')
test('setup', function (t) {
cleanup()
setup()
t.end()
})
test('exists', function (t) {
t.plan(2)
// fs.access first introduced in node 0.12 / io.js
if (fs.access) {
existsTests(t, exists)
} else {
t.pass('# skip fs.access not available in this version')
t.pass('# skip fs.access not available in this version')
}
})
test('exists-fallback', function (t) {
t.plan(2)
existsTests(t, existsFallback)
})
test('writable', function (t) {
t.plan(2)
// fs.access first introduced in node 0.12 / io.js
if (fs.access) {
writableTests(t, writable)
} else {
t.pass('# skip fs.access not available in this version')
t.pass('# skip fs.access not available in this version')
}
})
test('writable-fallback', function (t) {
t.plan(2)
writableTests(t, writableFallback)
})
test('cleanup', function (t) {
cleanup()
t.end()
})
function setup () {
fs.mkdirSync(testBase)
fs.mkdirSync(existingDir)
fs.mkdirSync(writableDir)
fs.mkdirSync(nonWritableDir)
fs.chmodSync(nonWritableDir, '555')
}
function existsTests (t, exists) {
exists(existingDir, function (er) {
t.error(er, 'exists dir is exists')
})
exists(nonExistingDir, function (er) {
t.ok(er, 'non-existing dir resulted in an error')
})
}
function writableTests (t, writable) {
writable(writableDir, function (er) {
t.error(er, 'writable dir is writable')
})
if (process.platform === 'win32') {
t.pass('windows folders cannot be read-only')
} else if (process.getuid && process.getuid() === 0) {
t.pass('root is not blocked by read-only dirs')
} else {
writable(nonWritableDir, function (er) {
t.ok(er, 'non-writable dir resulted in an error')
})
}
}
function cleanup () {
rimraf.sync(testBase)
}