1 files changed, 79 insertions, 0 deletions
diff --git a/deps/npm/node_modules/find-npm-prefix/test/find-prefix.js~ b/deps/npm/node_modules/find-npm-prefix/test/find-prefix.js~
new file mode 100644
index 0000000000..76886cec67
--- /dev/null
+++ b/deps/npm/node_modules/find-npm-prefix/test/find-prefix.js~
@@ -0,0 +1,79 @@
+'use strict'
+const Bluebird = require('bluebird')
+const test = require('tap').test
+const requireInject = require('require-inject')
+const findPrefix = requireInject('../find-prefix.js', {
+  fs: {
+    readdir: mockReaddir
+  }
+})
+
+test('find-prefix', t => {
+  const tests = {
+    '/Users/example/code/test1/node_modules': '/Users/example/code/test1',
+    '/Users/example/code/test1/node_modules/node_modules': '/Users/example/code/test1',
+    '/Users/example/code/test1/sub1': '/Users/example/code/test1',
+    '/Users/example/code/test1/sub1/sub1a': '/Users/example/code/test1',
+    '/Users/example/code/test2': '/Users/example/code/test2',
+    '/Users/example/code/test2/sub2': '/Users/example/code/test2',
+    '/Users/example/code': '/Users/example/code',
+    '/Users/example': '/Users/example',
+    '/does/not/exist': '/does/not/exist'
+  }
+  t.plan(Object.keys(tests).length)
+  return Bluebird.map(Object.keys(tests), dir => {
+    return findPrefix(dir).then(pre => {
+      t.is(pre, tests[dir], dir)
+    })
+  })
+})
+
+test('fail-prefix', t => {
+  return findPrefix('/Users/example/eperm').then(pre => {
+    t.fail('no eperm')
+  }).catch(err => {
+    t.is(err.code, 'EPERM', 'got perm error')
+  })
+})
+
+const fixture = {
+  'Users': {
+    'example': {
+      'code': {
+        'test1': {
+          'node_modules': {
+            'node_modules': {}
+          },
+          'sub1': {
+            'sub1a': {}
+          }
+        },
+        'test2': {
+          'package.json': {},
+          'sub2': {}
+        }
+      }
+    }
+  }
+}
+
+function mockReaddir (dir, cb) {
+  if (/eperm/.test(dir)) {
+    const err = new Error('Can not read: ' + dir)
+    err.code = 'EPERM'
+    return cb(err)
+  }
+  const parts = dir.split(/\//).slice(1)
+  let cwd = fixture
+  let part
+  while (part = parts.shift()) {
+    if (part in cwd) {
+      cwd = cwd[part]
+    } else {
+      const err = new Error('Does not exist: ' + dir + ' * ' + part)
+      err.code = 'ENOENT'
+      return cb(err)
+    }
+  }
+  return cb(null, Object.keys(cwd))
+}