Added test for GitCmdObjectDB in order to verify the partial_to_complete_sha_hex is working as expected with different input ( it wasn't, of course ;) )

Author: Byron

lib/git/db.py

@@ -1,5 +1,8 @@
 """Module with our own gitdb implementation - it uses the git command"""
-from exc import GitCommandError
+from exc import (
+					GitCommandError, 
+					BadObject
+				)
 
 from gitdb.base import (
 								OInfo,
@@ -42,7 +45,7 @@ def stream(self, sha):
 
 	# { Interface
 
-	def partial_to_complete_sha_hex(partial_hexsha):
+	def partial_to_complete_sha_hex(self, partial_hexsha):
 		""":return: Full binary 20 byte sha from the given partial hexsha
 		:raise AmbiguousObjectName:
 		:raise BadObject:
@@ -51,7 +54,7 @@ def partial_to_complete_sha_hex(partial_hexsha):
 		try:
 			hexsha, typename, size = self._git.get_object_header(partial_hexsha)
 			return hex_to_bin(hexsha)
-		except GitCommandError:
+		except (GitCommandError, ValueError):
 			raise BadObject(partial_hexsha)
 		# END handle exceptions
 

test/git/test_db.py

@@ -0,0 +1,25 @@
+# test_repo.py
+# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
+#
+# This module is part of GitPython and is released under
+# the BSD License: http://www.opensource.org/licenses/bsd-license.php
+from test.testlib import *
+from git.db import *
+from gitdb.util import bin_to_hex
+from git.exc import BadObject
+import os
+
+class TestDB(TestBase):
+	
+	def test_base(self):
+		gdb = GitCmdObjectDB(os.path.join(self.rorepo.git_dir, 'objects'), self.rorepo.git)
+		
+		# partial to complete - works with everything
+		hexsha = bin_to_hex(gdb.partial_to_complete_sha_hex("0.1.6"))
+		assert len(hexsha) == 40
+		
+		assert bin_to_hex(gdb.partial_to_complete_sha_hex(hexsha[:20])) == hexsha
+		
+		# fails with BadObject
+		for invalid_rev in ("0000", "bad/ref", "super bad"):
+			self.failUnlessRaises(BadObject, gdb.partial_to_complete_sha_hex, invalid_rev)