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1var t = require('tap')
2var fs = require('fs')
3var path = require('path')
4var fixture = path.resolve(__dirname, 'fixtures')
5var meow = fixture + '/meow.cat'
6var mine = fixture + '/mine.cat'
7var ours = fixture + '/ours.cat'
8var fail = fixture + '/fail.false'
9var noent = fixture + '/enoent.exe'
10var mkdirp = require('mkdirp')
11var rimraf = require('rimraf')
12
13var isWindows = process.platform === 'win32'
14var hasAccess = typeof fs.access === 'function'
15var winSkip = isWindows && 'windows'
16var accessSkip = !hasAccess && 'no fs.access function'
17var hasPromise = typeof Promise === 'function'
18var promiseSkip = !hasPromise && 'no global Promise'
19
20function reset () {
21  delete require.cache[require.resolve('../')]
22  return require('../')
23}
24
25t.test('setup fixtures', function (t) {
26  rimraf.sync(fixture)
27  mkdirp.sync(fixture)
28  fs.writeFileSync(meow, '#!/usr/bin/env cat\nmeow\n')
29  fs.chmodSync(meow, parseInt('0755', 8))
30  fs.writeFileSync(fail, '#!/usr/bin/env false\n')
31  fs.chmodSync(fail, parseInt('0644', 8))
32  fs.writeFileSync(mine, '#!/usr/bin/env cat\nmine\n')
33  fs.chmodSync(mine, parseInt('0744', 8))
34  fs.writeFileSync(ours, '#!/usr/bin/env cat\nours\n')
35  fs.chmodSync(ours, parseInt('0754', 8))
36  t.end()
37})
38
39t.test('promise', { skip: promiseSkip }, function (t) {
40  var isexe = reset()
41  t.test('meow async', function (t) {
42    isexe(meow).then(function (is) {
43      t.ok(is)
44      t.end()
45    })
46  })
47  t.test('fail async', function (t) {
48    isexe(fail).then(function (is) {
49      t.notOk(is)
50      t.end()
51    })
52  })
53  t.test('noent async', function (t) {
54    isexe(noent).catch(function (er) {
55      t.ok(er)
56      t.end()
57    })
58  })
59  t.test('noent ignore async', function (t) {
60    isexe(noent, { ignoreErrors: true }).then(function (is) {
61      t.notOk(is)
62      t.end()
63    })
64  })
65  t.end()
66})
67
68t.test('no promise', function (t) {
69  global.Promise = null
70  var isexe = reset()
71  t.throws('try to meow a promise', function () {
72    isexe(meow)
73  })
74  t.end()
75})
76
77t.test('access', { skip: accessSkip || winSkip }, function (t) {
78  runTest(t)
79})
80
81t.test('mode', { skip: winSkip }, function (t) {
82  delete fs.access
83  delete fs.accessSync
84  var isexe = reset()
85  t.ok(isexe.sync(ours, { uid: 0, gid: 0 }))
86  t.ok(isexe.sync(mine, { uid: 0, gid: 0 }))
87  runTest(t)
88})
89
90t.test('windows', function (t) {
91  global.TESTING_WINDOWS = true
92  var pathExt = '.EXE;.CAT;.CMD;.COM'
93  t.test('pathExt option', function (t) {
94    runTest(t, { pathExt: '.EXE;.CAT;.CMD;.COM' })
95  })
96  t.test('pathExt env', function (t) {
97    process.env.PATHEXT = pathExt
98    runTest(t)
99  })
100  t.test('no pathExt', function (t) {
101    // with a pathExt of '', any filename is fine.
102    // so the "fail" one would still pass.
103    runTest(t, { pathExt: '', skipFail: true })
104  })
105  t.test('pathext with empty entry', function (t) {
106    // with a pathExt of '', any filename is fine.
107    // so the "fail" one would still pass.
108    runTest(t, { pathExt: ';' + pathExt, skipFail: true })
109  })
110  t.end()
111})
112
113t.test('cleanup', function (t) {
114  rimraf.sync(fixture)
115  t.end()
116})
117
118function runTest (t, options) {
119  var isexe = reset()
120
121  var optionsIgnore = Object.create(options || {})
122  optionsIgnore.ignoreErrors = true
123
124  if (!options || !options.skipFail) {
125    t.notOk(isexe.sync(fail, options))
126  }
127  t.notOk(isexe.sync(noent, optionsIgnore))
128  if (!options) {
129    t.ok(isexe.sync(meow))
130  } else {
131    t.ok(isexe.sync(meow, options))
132  }
133
134  t.ok(isexe.sync(mine, options))
135  t.ok(isexe.sync(ours, options))
136  t.throws(function () {
137    isexe.sync(noent, options)
138  })
139
140  t.test('meow async', function (t) {
141    if (!options) {
142      isexe(meow, function (er, is) {
143        if (er) {
144          throw er
145        }
146        t.ok(is)
147        t.end()
148      })
149    } else {
150      isexe(meow, options, function (er, is) {
151        if (er) {
152          throw er
153        }
154        t.ok(is)
155        t.end()
156      })
157    }
158  })
159
160  t.test('mine async', function (t) {
161    isexe(mine, options, function (er, is) {
162      if (er) {
163        throw er
164      }
165      t.ok(is)
166      t.end()
167    })
168  })
169
170  t.test('ours async', function (t) {
171    isexe(ours, options, function (er, is) {
172      if (er) {
173        throw er
174      }
175      t.ok(is)
176      t.end()
177    })
178  })
179
180  if (!options || !options.skipFail) {
181    t.test('fail async', function (t) {
182      isexe(fail, options, function (er, is) {
183        if (er) {
184          throw er
185        }
186        t.notOk(is)
187        t.end()
188      })
189    })
190  }
191
192  t.test('noent async', function (t) {
193    isexe(noent, options, function (er, is) {
194      t.ok(er)
195      t.notOk(is)
196      t.end()
197    })
198  })
199
200  t.test('noent ignore async', function (t) {
201    isexe(noent, optionsIgnore, function (er, is) {
202      if (er) {
203        throw er
204      }
205      t.notOk(is)
206      t.end()
207    })
208  })
209
210  t.test('directory is not executable', function (t) {
211    isexe(__dirname, options, function (er, is) {
212      if (er) {
213        throw er
214      }
215      t.notOk(is)
216      t.end()
217    })
218  })
219
220  t.end()
221}
222