init

node_modules/isexe/test/basic.js

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+var t = require('tap')
+var fs = require('fs')
+var path = require('path')
+var fixture = path.resolve(__dirname, 'fixtures')
+var meow = fixture + '/meow.cat'
+var mine = fixture + '/mine.cat'
+var ours = fixture + '/ours.cat'
+var fail = fixture + '/fail.false'
+var noent = fixture + '/enoent.exe'
+var mkdirp = require('mkdirp')
+var rimraf = require('rimraf')
+
+var isWindows = process.platform === 'win32'
+var hasAccess = typeof fs.access === 'function'
+var winSkip = isWindows && 'windows'
+var accessSkip = !hasAccess && 'no fs.access function'
+var hasPromise = typeof Promise === 'function'
+var promiseSkip = !hasPromise && 'no global Promise'
+
+function reset () {
+  delete require.cache[require.resolve('../')]
+  return require('../')
+}
+
+t.test('setup fixtures', function (t) {
+  rimraf.sync(fixture)
+  mkdirp.sync(fixture)
+  fs.writeFileSync(meow, '#!/usr/bin/env cat\nmeow\n')
+  fs.chmodSync(meow, parseInt('0755', 8))
+  fs.writeFileSync(fail, '#!/usr/bin/env false\n')
+  fs.chmodSync(fail, parseInt('0644', 8))
+  fs.writeFileSync(mine, '#!/usr/bin/env cat\nmine\n')
+  fs.chmodSync(mine, parseInt('0744', 8))
+  fs.writeFileSync(ours, '#!/usr/bin/env cat\nours\n')
+  fs.chmodSync(ours, parseInt('0754', 8))
+  t.end()
+})
+
+t.test('promise', { skip: promiseSkip }, function (t) {
+  var isexe = reset()
+  t.test('meow async', function (t) {
+    isexe(meow).then(function (is) {
+      t.ok(is)
+      t.end()
+    })
+  })
+  t.test('fail async', function (t) {
+    isexe(fail).then(function (is) {
+      t.notOk(is)
+      t.end()
+    })
+  })
+  t.test('noent async', function (t) {
+    isexe(noent).catch(function (er) {
+      t.ok(er)
+      t.end()
+    })
+  })
+  t.test('noent ignore async', function (t) {
+    isexe(noent, { ignoreErrors: true }).then(function (is) {
+      t.notOk(is)
+      t.end()
+    })
+  })
+  t.end()
+})
+
+t.test('no promise', function (t) {
+  global.Promise = null
+  var isexe = reset()
+  t.throws('try to meow a promise', function () {
+    isexe(meow)
+  })
+  t.end()
+})
+
+t.test('access', { skip: accessSkip || winSkip }, function (t) {
+  runTest(t)
+})
+
+t.test('mode', { skip: winSkip }, function (t) {
+  delete fs.access
+  delete fs.accessSync
+  var isexe = reset()
+  t.ok(isexe.sync(ours, { uid: 0, gid: 0 }))
+  t.ok(isexe.sync(mine, { uid: 0, gid: 0 }))
+  runTest(t)
+})
+
+t.test('windows', function (t) {
+  global.TESTING_WINDOWS = true
+  var pathExt = '.EXE;.CAT;.CMD;.COM'
+  t.test('pathExt option', function (t) {
+    runTest(t, { pathExt: '.EXE;.CAT;.CMD;.COM' })
+  })
+  t.test('pathExt env', function (t) {
+    process.env.PATHEXT = pathExt
+    runTest(t)
+  })
+  t.test('no pathExt', function (t) {
+    // with a pathExt of '', any filename is fine.
+    // so the "fail" one would still pass.
+    runTest(t, { pathExt: '', skipFail: true })
+  })
+  t.test('pathext with empty entry', function (t) {
+    // with a pathExt of '', any filename is fine.
+    // so the "fail" one would still pass.
+    runTest(t, { pathExt: ';' + pathExt, skipFail: true })
+  })
+  t.end()
+})
+
+t.test('cleanup', function (t) {
+  rimraf.sync(fixture)
+  t.end()
+})
+
+function runTest (t, options) {
+  var isexe = reset()
+
+  var optionsIgnore = Object.create(options || {})
+  optionsIgnore.ignoreErrors = true
+
+  if (!options || !options.skipFail) {
+    t.notOk(isexe.sync(fail, options))
+  }
+  t.notOk(isexe.sync(noent, optionsIgnore))
+  if (!options) {
+    t.ok(isexe.sync(meow))
+  } else {
+    t.ok(isexe.sync(meow, options))
+  }
+
+  t.ok(isexe.sync(mine, options))
+  t.ok(isexe.sync(ours, options))
+  t.throws(function () {
+    isexe.sync(noent, options)
+  })
+
+  t.test('meow async', function (t) {
+    if (!options) {
+      isexe(meow, function (er, is) {
+        if (er) {
+          throw er
+        }
+        t.ok(is)
+        t.end()
+      })
+    } else {
+      isexe(meow, options, function (er, is) {
+        if (er) {
+          throw er
+        }
+        t.ok(is)
+        t.end()
+      })
+    }
+  })
+
+  t.test('mine async', function (t) {
+    isexe(mine, options, function (er, is) {
+      if (er) {
+        throw er
+      }
+      t.ok(is)
+      t.end()
+    })
+  })
+
+  t.test('ours async', function (t) {
+    isexe(ours, options, function (er, is) {
+      if (er) {
+        throw er
+      }
+      t.ok(is)
+      t.end()
+    })
+  })
+
+  if (!options || !options.skipFail) {
+    t.test('fail async', function (t) {
+      isexe(fail, options, function (er, is) {
+        if (er) {
+          throw er
+        }
+        t.notOk(is)
+        t.end()
+      })
+    })
+  }
+
+  t.test('noent async', function (t) {
+    isexe(noent, options, function (er, is) {
+      t.ok(er)
+      t.notOk(is)
+      t.end()
+    })
+  })
+
+  t.test('noent ignore async', function (t) {
+    isexe(noent, optionsIgnore, function (er, is) {
+      if (er) {
+        throw er
+      }
+      t.notOk(is)
+      t.end()
+    })
+  })
+
+  t.test('directory is not executable', function (t) {
+    isexe(__dirname, options, function (er, is) {
+      if (er) {
+        throw er
+      }
+      t.notOk(is)
+      t.end()
+    })
+  })
+
+  t.end()
+}