diff -r 000000000000 -r 6474c204b198 browser/devtools/commandline/test/browser_gcli_fileparser.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/commandline/test/browser_gcli_fileparser.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2012, Mozilla Foundation and contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+'use strict';
+// <INJECTED SOURCE:START>
+
+// THIS FILE IS GENERATED FROM SOURCE IN THE GCLI PROJECT
+// DO NOT EDIT IT DIRECTLY
+
+var exports = {};
+
+var TEST_URI = "data:text/html;charset=utf-8,<p id='gcli-input'>gcli-testFileparser.js</p>";
+
+function test() {
+  return Task.spawn(function() {
+    let options = yield helpers.openTab(TEST_URI);
+    yield helpers.openToolbar(options);
+    gcli.addItems(mockCommands.items);
+
+    yield helpers.runTests(options, exports);
+
+    gcli.removeItems(mockCommands.items);
+    yield helpers.closeToolbar(options);
+    yield helpers.closeTab(options);
+  }).then(finish, helpers.handleError);
+}
+
+// <INJECTED SOURCE:END>
+
+// var assert = require('../testharness/assert');
+var fileparser = require('gcli/util/fileparser');
+
+var local = false;
+
+exports.testGetPredictor = function(options) {
+  if (!options.isNode || !local) {
+    assert.log('Skipping tests due to install differences.');
+    return;
+  }
+
+  var opts = { filetype: 'file', existing: 'yes' };
+  var predictor = fileparser.getPredictor('/usr/locl/bin/nmp', opts);
+  return predictor().then(function(replies) {
+    assert.is(replies[0].name,
+              '/usr/local/bin/npm',
+              'predict npm');
+  });
+};