Change juju-gui-source to be git-enabled.

tests/test_utils.py

 # This file is part of the Juju GUI, which lets users view and manage Juju
 # environments within a graphical interface (https://launchpad.net/juju-gui).
 # Copyright (C) 2012-2013 Canonical Ltd.
 #
 # This program is free software: you can redistribute it and/or modify it under
 # the terms of the GNU Affero General Public License version 3, as published by
 # the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranties of MERCHANTABILITY,
@@ skipping 633 matching lines @@
     def test_latest_local_release(self):
         # Ensure the latest local release is correctly parsed.
         expected = ('local', None)
         self.assertTupleEqual(expected, parse_source('local'))
 
     def test_latest_stable_release(self):
         # Ensure the latest stable release is correctly parsed.
         expected = ('stable', None)
         self.assertTupleEqual(expected, parse_source('stable'))
 
+    def test_latest_develop_release(self):
+        # Ensure the latest develop branch release is correctly parsed.
+        expected = ('develop', None)
+        self.assertTupleEqual(expected, parse_source('develop'))
+
     @mock.patch('utils.log')
     def test_stable_release(self, mock_log):
         # Ensure a specific stable release is correctly parsed.
         expected = ('stable', '0.1.0')
         self.assertTupleEqual(expected, parse_source('0.1.0'))
 
     def test_git_branch(self):
         # Ensure a Git branch is correctly parsed.
-        sources = (
-            'https://github.com/juju/juju-gui.git',
-            'https://github.com/juju/juju-gui.git'
-        )
-        for source in sources:
-            expected = ('branch', (source, None))
-            self.assertEqual(expected, parse_source(source))
+        source = 'https://github.com/juju/juju-gui.git'
+        expected = ('branch', (source, None))
+        self.assertEqual(expected, parse_source(source))
 
     def test_git_branch_and_revision(self):
         # A Bazaar branch is correctly parsed when including revision.
         sources = (
             'https://github.com/juju/juju-gui.git test_feature',
             'https://github.com/juju/juju-gui.git @de5e6',
         )
 
         for source in sources:
             expected = ('branch', tuple(source.rsplit(' ', 1)))
@@ skipping 437 matching lines @@
 
         class FauxLaunchpad(object):
             projects = {'juju-gui': FauxProject()}
 
         url = get_npm_cache_archive_url(Launchpad=FauxLaunchpadFactory())
         self.assertEqual(url, 'http://launchpad.example/path/to/cache/file')
 
 
 if __name__ == '__main__':
     unittest.main(verbosity=2)