1 files changed, 92 insertions, 0 deletions
diff --git a/morphlib/gitindex_tests.py b/morphlib/gitindex_tests.py
new file mode 100644
index 00000000..7a8953f2
--- /dev/null
+++ b/morphlib/gitindex_tests.py
@@ -0,0 +1,92 @@
+# Copyright (C) 2013  Codethink Limited
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# =*= License: GPL-2 =*=
+
+
+import os
+import shutil
+import tempfile
+import unittest
+
+import morphlib
+
+
+class GitIndexTests(unittest.TestCase):
+
+    def setUp(self):
+        self.tempdir = tempfile.mkdtemp()
+        self.dirname = os.path.join(self.tempdir, 'foo')
+        os.mkdir(self.dirname)
+        gd = morphlib.gitdir.init(self.dirname)
+        with open(os.path.join(self.dirname, 'foo'), 'w') as f:
+            f.write('dummy text\n')
+        gd._runcmd(['git', 'add', '.'])
+        gd._runcmd(['git', 'commit', '-m', 'Initial commit'])
+        self.mirror = os.path.join(self.tempdir, 'mirror')
+        gd._runcmd(['git', 'clone', '--mirror', self.dirname, self.mirror])
+
+    def tearDown(self):
+        shutil.rmtree(self.tempdir)
+
+    def test_uncommitted_changes(self):
+        idx = morphlib.gitdir.GitDirectory(self.dirname).get_index()
+        self.assertEqual(list(idx.get_uncommitted_changes()), [])
+        os.unlink(os.path.join(self.dirname, 'foo'))
+        self.assertEqual(sorted(idx.get_uncommitted_changes()),
+                         [(' D', 'foo', None)])
+
+    def test_uncommitted_alt_index(self):
+        gd = morphlib.gitdir.GitDirectory(self.dirname)
+        idx = gd.get_index(os.path.join(self.tempdir, 'index'))
+        self.assertEqual(sorted(idx.get_uncommitted_changes()),
+                         [('D ', 'foo', None)])
+        # 'D ' means not in the index, but in the working tree
+
+    def test_set_to_tree_alt_index(self):
+        gd = morphlib.gitdir.GitDirectory(self.dirname)
+        idx = gd.get_index(os.path.join(self.tempdir, 'index'))
+        # Read the HEAD commit into the index, which is the same as the
+        # working tree, so there are no uncommitted changes reported
+        # by status
+        idx.set_to_tree(gd.HEAD)
+        self.assertEqual(list(idx.get_uncommitted_changes()),[])
+
+    def test_add_files_from_index_info(self):
+        gd = morphlib.gitdir.GitDirectory(self.dirname)
+        idx = gd.get_index(os.path.join(self.tempdir, 'index'))
+        filepath = os.path.join(gd.dirname, 'foo')
+        with open(filepath, 'r') as f:
+            sha1 = gd.store_blob(f)
+            idx.add_files_from_index_info(
+                [(os.stat(filepath).st_mode, sha1, 'foo')])
+        self.assertEqual(list(idx.get_uncommitted_changes()),[])
+
+    def test_add_files_from_working_tree(self):
+        gd = morphlib.gitdir.GitDirectory(self.dirname)
+        idx = gd.get_index()
+        idx.add_files_from_working_tree(['foo'])
+        self.assertEqual(list(idx.get_uncommitted_changes()),[])
+
+    def test_add_files_from_working_tree_fails_in_bare(self):
+        gd = morphlib.gitdir.GitDirectory(self.mirror)
+        idx = gd.get_index()
+        self.assertRaises(morphlib.gitdir.NoWorkingTreeError,
+                          idx.add_files_from_working_tree, ['foo'])
+
+    def test_write_tree(self):
+        gd = morphlib.gitdir.GitDirectory(self.dirname)
+        idx = gd.get_index()
+        self.assertEqual(idx.write_tree(), gd.resolve_ref_to_tree(gd.HEAD))