commit: fixed failing commit tests as the mocked git command would always return the same thing which does not work anymore - re-implemented it in a more dynamic manner, but in the end tests will have to be revised anyway

Added slots to Diff and Stats type respectively

6 files changed, 57 insertions, 68 deletions

diff --git a/lib/git/blob.py b/lib/git/blob.py
index b0e47a3c..1fafb128 100644
--- a/lib/git/blob.py
+++ b/lib/git/blob.py
@@ -57,7 +57,7 @@ class Blob(base.IndexObject):
 		blames = []
 		info = None
 
-		for line in data.splitlines():
+		for line in data.splitlines(False):
 			parts = cls.re_whitespace.split(line, 1)
 			firstpart = parts[0]
 			if cls.re_hexsha_only.search(firstpart):
diff --git a/lib/git/commit.py b/lib/git/commit.py
index 5d494621..9bf753e0 100644
--- a/lib/git/commit.py
+++ b/lib/git/commit.py
@@ -162,8 +162,7 @@ class Commit(base.Object):
 		Returns
 			git.Commit[]
 		"""
-		lines = [l for l in text.splitlines() if l.strip('\r\n')]
-
+		lines =text.splitlines(False)
 		commits = []
 
 		while lines:
@@ -173,18 +172,22 @@ class Commit(base.Object):
 			parents = []
 			while lines and lines[0].startswith('parent'):
 				parents.append(lines.pop(0).split()[-1])
+			# END while there are parent lines
 			author, authored_date = cls._actor(lines.pop(0))
 			committer, committed_date = cls._actor(lines.pop(0))
-
+			
+			# free line
+			lines.pop(0)
+			
 			messages = []
-			while lines and lines[0].startswith('	 '):
+			while lines and not lines[0].startswith('commit'):
 				messages.append(lines.pop(0).strip())
-
+			# END while there are message lines
 			message = '\n'.join(messages)
 
 			commits.append(Commit(repo, id=id, parents=parents, tree=tree, author=author, authored_date=authored_date,
 								  committer=committer, committed_date=committed_date, message=message))
-
+		# END while lines
 		return commits
 
 	@classmethod
diff --git a/lib/git/diff.py b/lib/git/diff.py
index ef58cb0e..7200b7e3 100644
--- a/lib/git/diff.py
+++ b/lib/git/diff.py
@@ -45,12 +45,12 @@ class Diff(object):
 									\.\.(?P<b_blob_id>[0-9A-Fa-f]+)[ ]?(?P<b_mode>.+)?(?:\n|$))?
 							""", re.VERBOSE | re.MULTILINE)
 	re_is_null_hexsha = re.compile( r'^0{40}$' )
+	__slots__ = ("a_blob", "b_blob", "a_mode", "b_mode", "new_file", "deleted_file", 
+				 "rename_from", "rename_to", "renamed", "diff")
 
 	def __init__(self, repo, a_path, b_path, a_blob_id, b_blob_id, a_mode,
 				 b_mode, new_file, deleted_file, rename_from,
 				 rename_to, diff):
-		self.repo = repo
-
 		if not a_blob_id or self.re_is_null_hexsha.search(a_blob_id):
 			self.a_blob = None
 		else:
diff --git a/lib/git/stats.py b/lib/git/stats.py
index a39d1dab..19b1591f 100644
--- a/lib/git/stats.py
+++ b/lib/git/stats.py
@@ -31,8 +31,9 @@ class Stats(object):
 	 files = number of changed files as int
 	
 	"""
-	def __init__(self, repo, total, files):
-		self.repo = repo
+	__slots__ = ("total", "files")
+	
+	def __init__(self, total, files):
 		self.total = total
 		self.files = files
 
@@ -56,4 +57,4 @@ class Stats(object):
 			hsh['files'][filename.strip()] = {'insertions': insertions,
 											  'deletions': deletions,
 											  'lines': insertions + deletions}
-		return Stats(repo, hsh['total'], hsh['files'])
+		return Stats(hsh['total'], hsh['files'])
diff --git a/test/git/test_commit.py b/test/git/test_commit.py
index 341d72e2..79768c3f 100644
--- a/test/git/test_commit.py
+++ b/test/git/test_commit.py
@@ -135,30 +135,21 @@ class TestCommit(object):
 											  '91169e1f5fa4de2eaea3f176461f5dc784796769',
 									  ), {'full_index': True}))
 
-	@patch_object(Git, '_call_process')
-	def test_diffs_on_initial_import(self, git):
-		git.return_value = fixture('diff_i')
-
-		commit = Commit(self.repo, id='634396b2f541a9f2d58b00be1a07f0c358b999b3')
-		diffs = commit.diffs
-
-		assert_equal(10, len(diffs))
-
-		assert_equal('History.txt', diffs[0].b_blob.path)
-		assert_equal(None, diffs[0].a_blob)
-		assert_equal('100644', diffs[0].b_blob.mode)
-		assert_equal('81d2c27608b352814cbe979a6acd678d30219678', diffs[0].b_blob.id)
-		assert_equal(True, diffs[0].new_file)
-		assert_equal(False, diffs[0].deleted_file)
-		assert_equal("--- /dev/null\n+++ b/History.txt\n@@ -0,0 +1,5 @@\n+== 1.0.0 / 2007-10-09\n+\n+* 1 major enhancement\n+  * Birthday!\n+", diffs[0].diff)
-
-		assert_equal('lib/grit.rb', diffs[5].b_blob.path)
-		assert_equal(None, diffs[5].a_blob)
-		assert_equal('32cec87d1e78946a827ddf6a8776be4d81dcf1d1', diffs[5].b_blob.id)
-		assert_equal(True, diffs[5].new_file)
-
-		assert_true(git.called)
-		assert_equal(git.call_args, (('show', '634396b2f541a9f2d58b00be1a07f0c358b999b3', '-M'), {'full_index': True, 'pretty': 'raw'}))
+	def test_diffs_on_initial_import(self):
+		commit = Commit(self.repo, '33ebe7acec14b25c5f84f35a664803fcab2f7781')
+		
+		for diff in commit.diffs:
+			assert isinstance(diff, Diff)
+			assert isinstance(diff.a_blob, Blob) or isinstance(diff.b_blob, Blob)
+			assert isinstance(diff.a_mode, int) and isinstance(diff.b_mode, int)
+			assert diff.diff
+			if diff.renamed:
+				assert diff.rename_from and diff.rename_to and diff.rename_from != diff.rename_to
+			if diff.a_blob is None:
+				assert diff.new_file and isinstance(diff.new_file, bool)
+			if diff.b_blob is None:
+				assert diff.deleted_file and isinstance(diff.deleted_file, bool)
+		# END for each diff in initial import commit
 
 	@patch_object(Git, '_call_process')
 	def test_diffs_on_initial_import_with_empty_commit(self, git):
@@ -172,37 +163,36 @@ class TestCommit(object):
 		assert_true(git.called)
 		assert_equal(git.call_args, (('show', '634396b2f541a9f2d58b00be1a07f0c358b999b3', '-M'), {'full_index': True, 'pretty': 'raw'}))
 
-	@patch_object(Git, '_call_process')
-	def test_diffs_with_mode_only_change(self, git):
-		git.return_value = fixture('diff_mode_only')
-
-		commit = Commit(self.repo, id='91169e1f5fa4de2eaea3f176461f5dc784796769')
+	def test_diffs_with_mode_only_change(self):
+		commit = Commit(self.repo, id='ccde80b7a3037a004a7807a6b79916ce2a1e9729')
 		diffs = commit.diffs
 
 		# in case of mode-only changes, there is no blob
-		assert_equal(23, len(diffs))
+		assert_equal(1, len(diffs))
 		assert_equal(None, diffs[0].a_blob)
 		assert_equal(None, diffs[0].b_blob)
 		assert_equal('100644', diffs[0].a_mode)
 		assert_equal('100755', diffs[0].b_mode)
 
-		assert_true(git.called)
-		assert_equal(git.call_args, (('show', '91169e1f5fa4de2eaea3f176461f5dc784796769', '-M'), {'full_index': True, 'pretty': 'raw'}))
-
-	@patch_object(Git, '_call_process')
-	def test_stats(self, git):
-		git.return_value = fixture('diff_tree_numstat_root')
-
-		commit = Commit(self.repo, id='634396b2f541a9f2d58b00be1a07f0c358b999b3')
+	def test_stats(self):
+		commit = Commit(self.repo, id='33ebe7acec14b25c5f84f35a664803fcab2f7781')
 		stats = commit.stats
-
-		keys = stats.files.keys()
-		keys.sort()
-		assert_equal(["a.txt", "b.txt"], keys)
-
-		assert_true(git.called)
-		assert_equal(git.call_args, (('diff_tree', '634396b2f541a9f2d58b00be1a07f0c358b999b3', '--'), {'numstat': True, 'root': True }))
-
+		
+		def check_entries(d):
+			assert isinstance(d, dict)
+			for key in ("insertions", "deletions", "lines"):
+				assert key in d
+		# END assertion helper 
+		assert stats.files 
+		assert stats.total
+		
+		check_entries(stats.total) 
+		assert "files" in stats.total
+		
+		for filepath, d in stats.files.items():
+			check_entries(d)
+		# END for each stated file
+		
 	@patch_object(Git, '_call_process')
 	def test_rev_list_bisect_all(self, git):
 		"""
diff --git a/test/git/test_repo.py b/test/git/test_repo.py
index e232b065..d4316981 100644
--- a/test/git/test_repo.py
+++ b/test/git/test_repo.py
@@ -33,16 +33,11 @@ class TestRepo(object):
 		for head in self.repo.heads:
 			assert_equal(Head, head.__class__)
 
-	@patch_object(Git, '_call_process')
-	def test_heads_should_populate_head_data(self, git):
-		git.return_value = fixture('for_each_ref')
-
-		head = self.repo.heads[0]
-		assert_equal('master', head.name)
-		assert_equal('634396b2f541a9f2d58b00be1a07f0c358b999b3', head.commit.id)
-
-		assert_true(git.called)
-		assert_equal(git.call_args, (('for_each_ref', 'refs/heads'), {'sort': 'committerdate', 'format': '%(refname)%00%(objectname)'}))
+	def test_heads_should_populate_head_data(self):
+		for head in self.repo.heads:
+			assert head.name
+			assert isinstance(head.commit,Commit)
+		# END for each head 
 
 	@patch_object(Git, '_call_process')
 	def test_commits(self, git):