# test_repository.py -- tests for repository.py
# Copyright (C) 2007 James Westby <jw+debian@jameswestby.net>
-#
+#
# 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 or (at your option) any later version of
+# of the License or (at your option) any later version 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.
+"""Tests for the repository."""
+
+from cStringIO import StringIO
import os
+import shutil
+import tempfile
import unittest
+import warnings
from dulwich import errors
-from dulwich.repo import Repo
+from dulwich.object_store import (
+ tree_lookup_path,
+ )
+from dulwich import objects
+from dulwich.repo import (
+ check_ref_format,
+ DictRefsContainer,
+ Repo,
+ read_packed_refs,
+ read_packed_refs_with_peeled,
+ write_packed_refs,
+ _split_ref_line,
+ )
+from dulwich.tests.utils import (
+ open_repo,
+ tear_down_repo,
+ )
+
+missing_sha = 'b91fa4d900e17e99b433218e988c4eb4a3e9a097'
+
+
+class CreateRepositoryTests(unittest.TestCase):
+
+ def test_create(self):
+ tmp_dir = tempfile.mkdtemp()
+ try:
+ repo = Repo.init_bare(tmp_dir)
+ self.assertEquals(tmp_dir, repo._controldir)
+ finally:
+ shutil.rmtree(tmp_dir)
-missing_sha = 'b91fa4d900g17e99b433218e988c4eb4a3e9a097'
class RepositoryTests(unittest.TestCase):
- def open_repo(self, name):
- return Repo(os.path.join(os.path.dirname(__file__),
- 'data/repos', name, '.git'))
-
- def test_simple_props(self):
- r = self.open_repo('a')
- basedir = os.path.join(os.path.dirname(__file__), 'data/repos/a/.git')
- self.assertEqual(r.controldir(), basedir)
- self.assertEqual(r.object_dir(), os.path.join(basedir, 'objects'))
-
- def test_ref(self):
- r = self.open_repo('a')
- self.assertEqual(r.ref('master'),
- 'a90fa2d900a17e99b433217e988c4eb4a2e9a097')
-
- def test_get_refs(self):
- r = self.open_repo('a')
- self.assertEquals({
- 'HEAD': 'a90fa2d900a17e99b433217e988c4eb4a2e9a097',
- 'refs/heads/master': 'a90fa2d900a17e99b433217e988c4eb4a2e9a097'
- }, r.get_refs())
-
- def test_head(self):
- r = self.open_repo('a')
- self.assertEqual(r.head(), 'a90fa2d900a17e99b433217e988c4eb4a2e9a097')
-
- def test_get_object(self):
- r = self.open_repo('a')
- obj = r.get_object(r.head())
- self.assertEqual(obj._type, 'commit')
-
- def test_get_object_non_existant(self):
- r = self.open_repo('a')
- self.assertRaises(KeyError, r.get_object, missing_sha)
-
- def test_commit(self):
- r = self.open_repo('a')
- obj = r.commit(r.head())
- self.assertEqual(obj._type, 'commit')
-
- def test_commit_not_commit(self):
- r = self.open_repo('a')
- self.assertRaises(errors.NotCommitError,
- r.commit, '4f2e6529203aa6d44b5af6e3292c837ceda003f9')
-
- def test_tree(self):
- r = self.open_repo('a')
- commit = r.commit(r.head())
- tree = r.tree(commit.tree)
- self.assertEqual(tree._type, 'tree')
- self.assertEqual(tree.sha().hexdigest(), commit.tree)
-
- def test_tree_not_tree(self):
- r = self.open_repo('a')
- self.assertRaises(errors.NotTreeError, r.tree, r.head())
-
- def test_get_blob(self):
- r = self.open_repo('a')
- commit = r.commit(r.head())
- tree = r.tree(commit.tree())
- blob_sha = tree.entries()[0][2]
- blob = r.get_blob(blob_sha)
- self.assertEqual(blob._type, 'blob')
- self.assertEqual(blob.sha().hexdigest(), blob_sha)
-
- def test_get_blob(self):
- r = self.open_repo('a')
- self.assertRaises(errors.NotBlobError, r.get_blob, r.head())
-
- def test_linear_history(self):
- r = self.open_repo('a')
- history = r.revision_history(r.head())
- shas = [c.sha().hexdigest() for c in history]
- self.assertEqual(shas, [r.head(),
- '2a72d929692c41d8554c07f6301757ba18a65d91'])
-
- def test_merge_history(self):
- r = self.open_repo('simple_merge')
- history = r.revision_history(r.head())
- shas = [c.sha().hexdigest() for c in history]
- self.assertEqual(shas, ['5dac377bdded4c9aeb8dff595f0faeebcc8498cc',
- 'ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd',
- '4cffe90e0a41ad3f5190079d7c8f036bde29cbe6',
- '60dacdc733de308bb77bb76ce0fb0f9b44c9769e',
- '0d89f20333fbb1d2f3a94da77f4981373d8f4310'])
-
- def test_revision_history_missing_commit(self):
- r = self.open_repo('simple_merge')
- self.assertRaises(errors.MissingCommitError, r.revision_history,
- missing_sha)
-
- def test_out_of_order_merge(self):
- """Test that revision history is ordered by date, not parent order."""
- r = self.open_repo('ooo_merge')
- history = r.revision_history(r.head())
- shas = [c.sha().hexdigest() for c in history]
- self.assertEqual(shas, ['7601d7f6231db6a57f7bbb79ee52e4d462fd44d1',
- 'f507291b64138b875c28e03469025b1ea20bc614',
- 'fb5b0425c7ce46959bec94d54b9a157645e114f5',
- 'f9e39b120c68182a4ba35349f832d0e4e61f485c'])
-
- def test_get_tags_empty(self):
- r = self.open_repo('ooo_merge')
- self.assertEquals({}, r.get_tags())
+ def setUp(self):
+ self._repo = None
+
+ def tearDown(self):
+ if self._repo is not None:
+ tear_down_repo(self._repo)
+
+ def test_simple_props(self):
+ r = self._repo = open_repo('a.git')
+ self.assertEqual(r.controldir(), r.path)
+
+ def test_ref(self):
+ r = self._repo = open_repo('a.git')
+ self.assertEqual(r.ref('refs/heads/master'),
+ 'a90fa2d900a17e99b433217e988c4eb4a2e9a097')
+
+ def test_setitem(self):
+ r = self._repo = open_repo('a.git')
+ r["refs/tags/foo"] = 'a90fa2d900a17e99b433217e988c4eb4a2e9a097'
+ self.assertEquals('a90fa2d900a17e99b433217e988c4eb4a2e9a097',
+ r["refs/tags/foo"].id)
+
+ def test_get_refs(self):
+ r = self._repo = open_repo('a.git')
+ self.assertEqual({
+ 'HEAD': 'a90fa2d900a17e99b433217e988c4eb4a2e9a097',
+ 'refs/heads/master': 'a90fa2d900a17e99b433217e988c4eb4a2e9a097',
+ 'refs/tags/mytag': '28237f4dc30d0d462658d6b937b08a0f0b6ef55a',
+ 'refs/tags/mytag-packed': 'b0931cadc54336e78a1d980420e3268903b57a50',
+ }, r.get_refs())
+
+ def test_head(self):
+ r = self._repo = open_repo('a.git')
+ self.assertEqual(r.head(), 'a90fa2d900a17e99b433217e988c4eb4a2e9a097')
+
+ def test_get_object(self):
+ r = self._repo = open_repo('a.git')
+ obj = r.get_object(r.head())
+ self.assertEqual(obj.type_name, 'commit')
+
+ def test_get_object_non_existant(self):
+ r = self._repo = open_repo('a.git')
+ self.assertRaises(KeyError, r.get_object, missing_sha)
+
+ def test_contains_object(self):
+ r = self._repo = open_repo('a.git')
+ self.assertTrue(r.head() in r)
+
+ def test_contains_ref(self):
+ r = self._repo = open_repo('a.git')
+ self.assertTrue("HEAD" in r)
+
+ def test_contains_missing(self):
+ r = self._repo = open_repo('a.git')
+ self.assertFalse("bar" in r)
+
+ def test_commit(self):
+ r = self._repo = open_repo('a.git')
+ warnings.simplefilter("ignore", DeprecationWarning)
+ try:
+ obj = r.commit(r.head())
+ finally:
+ warnings.resetwarnings()
+ self.assertEqual(obj.type_name, 'commit')
+
+ def test_commit_not_commit(self):
+ r = self._repo = open_repo('a.git')
+ warnings.simplefilter("ignore", DeprecationWarning)
+ try:
+ self.assertRaises(errors.NotCommitError,
+ r.commit, '4f2e6529203aa6d44b5af6e3292c837ceda003f9')
+ finally:
+ warnings.resetwarnings()
+
+ def test_tree(self):
+ r = self._repo = open_repo('a.git')
+ commit = r[r.head()]
+ warnings.simplefilter("ignore", DeprecationWarning)
+ try:
+ tree = r.tree(commit.tree)
+ finally:
+ warnings.resetwarnings()
+ self.assertEqual(tree.type_name, 'tree')
+ self.assertEqual(tree.sha().hexdigest(), commit.tree)
+
+ def test_tree_not_tree(self):
+ r = self._repo = open_repo('a.git')
+ warnings.simplefilter("ignore", DeprecationWarning)
+ try:
+ self.assertRaises(errors.NotTreeError, r.tree, r.head())
+ finally:
+ warnings.resetwarnings()
+
+ def test_tag(self):
+ r = self._repo = open_repo('a.git')
+ tag_sha = '28237f4dc30d0d462658d6b937b08a0f0b6ef55a'
+ warnings.simplefilter("ignore", DeprecationWarning)
+ try:
+ tag = r.tag(tag_sha)
+ finally:
+ warnings.resetwarnings()
+ self.assertEqual(tag.type_name, 'tag')
+ self.assertEqual(tag.sha().hexdigest(), tag_sha)
+ obj_class, obj_sha = tag.object
+ self.assertEqual(obj_class, objects.Commit)
+ self.assertEqual(obj_sha, r.head())
+
+ def test_tag_not_tag(self):
+ r = self._repo = open_repo('a.git')
+ warnings.simplefilter("ignore", DeprecationWarning)
+ try:
+ self.assertRaises(errors.NotTagError, r.tag, r.head())
+ finally:
+ warnings.resetwarnings()
+
+ def test_get_peeled(self):
+ # unpacked ref
+ r = self._repo = open_repo('a.git')
+ tag_sha = '28237f4dc30d0d462658d6b937b08a0f0b6ef55a'
+ self.assertNotEqual(r[tag_sha].sha().hexdigest(), r.head())
+ self.assertEqual(r.get_peeled('refs/tags/mytag'), r.head())
+
+ # packed ref with cached peeled value
+ packed_tag_sha = 'b0931cadc54336e78a1d980420e3268903b57a50'
+ parent_sha = r[r.head()].parents[0]
+ self.assertNotEqual(r[packed_tag_sha].sha().hexdigest(), parent_sha)
+ self.assertEqual(r.get_peeled('refs/tags/mytag-packed'), parent_sha)
+
+ # TODO: add more corner cases to test repo
+
+ def test_get_peeled_not_tag(self):
+ r = self._repo = open_repo('a.git')
+ self.assertEqual(r.get_peeled('HEAD'), r.head())
+
+ def test_get_blob(self):
+ r = self._repo = open_repo('a.git')
+ commit = r[r.head()]
+ tree = r[commit.tree]
+ blob_sha = tree.entries()[0][2]
+ warnings.simplefilter("ignore", DeprecationWarning)
+ try:
+ blob = r.get_blob(blob_sha)
+ finally:
+ warnings.resetwarnings()
+ self.assertEqual(blob.type_name, 'blob')
+ self.assertEqual(blob.sha().hexdigest(), blob_sha)
+
+ def test_get_blob_notblob(self):
+ r = self._repo = open_repo('a.git')
+ warnings.simplefilter("ignore", DeprecationWarning)
+ try:
+ self.assertRaises(errors.NotBlobError, r.get_blob, r.head())
+ finally:
+ warnings.resetwarnings()
+
+ def test_linear_history(self):
+ r = self._repo = open_repo('a.git')
+ history = r.revision_history(r.head())
+ shas = [c.sha().hexdigest() for c in history]
+ self.assertEqual(shas, [r.head(),
+ '2a72d929692c41d8554c07f6301757ba18a65d91'])
+
+ def test_merge_history(self):
+ r = self._repo = open_repo('simple_merge.git')
+ history = r.revision_history(r.head())
+ shas = [c.sha().hexdigest() for c in history]
+ self.assertEqual(shas, ['5dac377bdded4c9aeb8dff595f0faeebcc8498cc',
+ 'ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd',
+ '4cffe90e0a41ad3f5190079d7c8f036bde29cbe6',
+ '60dacdc733de308bb77bb76ce0fb0f9b44c9769e',
+ '0d89f20333fbb1d2f3a94da77f4981373d8f4310'])
+
+ def test_revision_history_missing_commit(self):
+ r = self._repo = open_repo('simple_merge.git')
+ self.assertRaises(errors.MissingCommitError, r.revision_history,
+ missing_sha)
+
+ def test_out_of_order_merge(self):
+ """Test that revision history is ordered by date, not parent order."""
+ r = self._repo = open_repo('ooo_merge.git')
+ history = r.revision_history(r.head())
+ shas = [c.sha().hexdigest() for c in history]
+ self.assertEqual(shas, ['7601d7f6231db6a57f7bbb79ee52e4d462fd44d1',
+ 'f507291b64138b875c28e03469025b1ea20bc614',
+ 'fb5b0425c7ce46959bec94d54b9a157645e114f5',
+ 'f9e39b120c68182a4ba35349f832d0e4e61f485c'])
+
+ def test_get_tags_empty(self):
+ r = self._repo = open_repo('ooo_merge.git')
+ self.assertEqual({}, r.refs.as_dict('refs/tags'))
+
+ def test_get_config(self):
+ r = self._repo = open_repo('ooo_merge.git')
+ self.assertEquals({}, r.get_config())
+
+ def test_common_revisions(self):
+ """
+ This test demonstrates that ``find_common_revisions()`` actually returns
+ common heads, not revisions; dulwich already uses
+ ``find_common_revisions()`` in such a manner (see
+ ``Repo.fetch_objects()``).
+ """
+
+ expected_shas = set(['60dacdc733de308bb77bb76ce0fb0f9b44c9769e'])
+
+ # Source for objects.
+ r_base = open_repo('simple_merge.git')
+
+ # Re-create each-side of the merge in simple_merge.git.
+ #
+ # Since the trees and blobs are missing, the repository created is
+ # corrupted, but we're only checking for commits for the purpose of this
+ # test, so it's immaterial.
+ r1_dir = tempfile.mkdtemp()
+ r1_commits = ['ab64bbdcc51b170d21588e5c5d391ee5c0c96dfd', # HEAD
+ '60dacdc733de308bb77bb76ce0fb0f9b44c9769e',
+ '0d89f20333fbb1d2f3a94da77f4981373d8f4310']
+
+ r2_dir = tempfile.mkdtemp()
+ r2_commits = ['4cffe90e0a41ad3f5190079d7c8f036bde29cbe6', # HEAD
+ '60dacdc733de308bb77bb76ce0fb0f9b44c9769e',
+ '0d89f20333fbb1d2f3a94da77f4981373d8f4310']
+
+ try:
+ r1 = Repo.init_bare(r1_dir)
+ map(lambda c: r1.object_store.add_object(r_base.get_object(c)), \
+ r1_commits)
+ r1.refs['HEAD'] = r1_commits[0]
+
+ r2 = Repo.init_bare(r2_dir)
+ map(lambda c: r2.object_store.add_object(r_base.get_object(c)), \
+ r2_commits)
+ r2.refs['HEAD'] = r2_commits[0]
+
+ # Finally, the 'real' testing!
+ shas = r2.object_store.find_common_revisions(r1.get_graph_walker())
+ self.assertEqual(set(shas), expected_shas)
+
+ shas = r1.object_store.find_common_revisions(r2.get_graph_walker())
+ self.assertEqual(set(shas), expected_shas)
+ finally:
+ shutil.rmtree(r1_dir)
+ shutil.rmtree(r2_dir)
+
+
+class BuildRepoTests(unittest.TestCase):
+ """Tests that build on-disk repos from scratch.
+
+ Repos live in a temp dir and are torn down after each test. They start with
+ a single commit in master having single file named 'a'.
+ """
+
+ def setUp(self):
+ repo_dir = os.path.join(tempfile.mkdtemp(), 'test')
+ os.makedirs(repo_dir)
+ r = self._repo = Repo.init(repo_dir)
+ self.assertFalse(r.bare)
+ self.assertEqual('ref: refs/heads/master', r.refs.read_ref('HEAD'))
+ self.assertRaises(KeyError, lambda: r.refs['refs/heads/master'])
+
+ f = open(os.path.join(r.path, 'a'), 'wb')
+ try:
+ f.write('file contents')
+ finally:
+ f.close()
+ r.stage(['a'])
+ commit_sha = r.do_commit('msg',
+ committer='Test Committer <test@nodomain.com>',
+ author='Test Author <test@nodomain.com>',
+ commit_timestamp=12345, commit_timezone=0,
+ author_timestamp=12345, author_timezone=0)
+ self.assertEqual([], r[commit_sha].parents)
+ self._root_commit = commit_sha
+
+ def tearDown(self):
+ tear_down_repo(self._repo)
+
+ def test_build_repo(self):
+ r = self._repo
+ self.assertEqual('ref: refs/heads/master', r.refs.read_ref('HEAD'))
+ self.assertEqual(self._root_commit, r.refs['refs/heads/master'])
+ expected_blob = objects.Blob.from_string('file contents')
+ self.assertEqual(expected_blob.data, r[expected_blob.id].data)
+ actual_commit = r[self._root_commit]
+ self.assertEqual('msg', actual_commit.message)
+
+ def test_commit_modified(self):
+ r = self._repo
+ f = open(os.path.join(r.path, 'a'), 'wb')
+ try:
+ f.write('new contents')
+ finally:
+ f.close()
+ r.stage(['a'])
+ commit_sha = r.do_commit('modified a',
+ committer='Test Committer <test@nodomain.com>',
+ author='Test Author <test@nodomain.com>',
+ commit_timestamp=12395, commit_timezone=0,
+ author_timestamp=12395, author_timezone=0)
+ self.assertEqual([self._root_commit], r[commit_sha].parents)
+ _, blob_id = tree_lookup_path(r.get_object, r[commit_sha].tree, 'a')
+ self.assertEqual('new contents', r[blob_id].data)
+
+ def test_commit_deleted(self):
+ r = self._repo
+ os.remove(os.path.join(r.path, 'a'))
+ r.stage(['a'])
+ commit_sha = r.do_commit('deleted a',
+ committer='Test Committer <test@nodomain.com>',
+ author='Test Author <test@nodomain.com>',
+ commit_timestamp=12395, commit_timezone=0,
+ author_timestamp=12395, author_timezone=0)
+ self.assertEqual([self._root_commit], r[commit_sha].parents)
+ self.assertEqual([], list(r.open_index()))
+ tree = r[r[commit_sha].tree]
+ self.assertEqual([], tree.iteritems())
+
+ def test_commit_fail_ref(self):
+ r = self._repo
+
+ def set_if_equals(name, old_ref, new_ref):
+ return False
+ r.refs.set_if_equals = set_if_equals
+
+ def add_if_new(name, new_ref):
+ self.fail('Unexpected call to add_if_new')
+ r.refs.add_if_new = add_if_new
+
+ old_shas = set(r.object_store)
+ self.assertRaises(errors.CommitError, r.do_commit, 'failed commit',
+ committer='Test Committer <test@nodomain.com>',
+ author='Test Author <test@nodomain.com>',
+ commit_timestamp=12345, commit_timezone=0,
+ author_timestamp=12345, author_timezone=0)
+ new_shas = set(r.object_store) - old_shas
+ self.assertEqual(1, len(new_shas))
+ # Check that the new commit (now garbage) was added.
+ new_commit = r[new_shas.pop()]
+ self.assertEqual(r[self._root_commit].tree, new_commit.tree)
+ self.assertEqual('failed commit', new_commit.message)
+
+ def test_stage_deleted(self):
+ r = self._repo
+ os.remove(os.path.join(r.path, 'a'))
+ r.stage(['a'])
+ r.stage(['a']) # double-stage a deleted path
+
+
+class CheckRefFormatTests(unittest.TestCase):
+ """Tests for the check_ref_format function.
+
+ These are the same tests as in the git test suite.
+ """
+
+ def test_valid(self):
+ self.assertTrue(check_ref_format('heads/foo'))
+ self.assertTrue(check_ref_format('foo/bar/baz'))
+ self.assertTrue(check_ref_format('refs///heads/foo'))
+ self.assertTrue(check_ref_format('foo./bar'))
+ self.assertTrue(check_ref_format('heads/foo@bar'))
+ self.assertTrue(check_ref_format('heads/fix.lock.error'))
+
+ def test_invalid(self):
+ self.assertFalse(check_ref_format('foo'))
+ self.assertFalse(check_ref_format('heads/foo/'))
+ self.assertFalse(check_ref_format('./foo'))
+ self.assertFalse(check_ref_format('.refs/foo'))
+ self.assertFalse(check_ref_format('heads/foo..bar'))
+ self.assertFalse(check_ref_format('heads/foo?bar'))
+ self.assertFalse(check_ref_format('heads/foo.lock'))
+ self.assertFalse(check_ref_format('heads/v@{ation'))
+ self.assertFalse(check_ref_format('heads/foo\bar'))
+
+
+ONES = "1" * 40
+TWOS = "2" * 40
+THREES = "3" * 40
+FOURS = "4" * 40
+
+class PackedRefsFileTests(unittest.TestCase):
+
+ def test_split_ref_line_errors(self):
+ self.assertRaises(errors.PackedRefsException, _split_ref_line,
+ 'singlefield')
+ self.assertRaises(errors.PackedRefsException, _split_ref_line,
+ 'badsha name')
+ self.assertRaises(errors.PackedRefsException, _split_ref_line,
+ '%s bad/../refname' % ONES)
+
+ def test_read_without_peeled(self):
+ f = StringIO('# comment\n%s ref/1\n%s ref/2' % (ONES, TWOS))
+ self.assertEqual([(ONES, 'ref/1'), (TWOS, 'ref/2')],
+ list(read_packed_refs(f)))
+
+ def test_read_without_peeled_errors(self):
+ f = StringIO('%s ref/1\n^%s' % (ONES, TWOS))
+ self.assertRaises(errors.PackedRefsException, list, read_packed_refs(f))
+
+ def test_read_with_peeled(self):
+ f = StringIO('%s ref/1\n%s ref/2\n^%s\n%s ref/4' % (
+ ONES, TWOS, THREES, FOURS))
+ self.assertEqual([
+ (ONES, 'ref/1', None),
+ (TWOS, 'ref/2', THREES),
+ (FOURS, 'ref/4', None),
+ ], list(read_packed_refs_with_peeled(f)))
+
+ def test_read_with_peeled_errors(self):
+ f = StringIO('^%s\n%s ref/1' % (TWOS, ONES))
+ self.assertRaises(errors.PackedRefsException, list, read_packed_refs(f))
+
+ f = StringIO('%s ref/1\n^%s\n^%s' % (ONES, TWOS, THREES))
+ self.assertRaises(errors.PackedRefsException, list, read_packed_refs(f))
+
+ def test_write_with_peeled(self):
+ f = StringIO()
+ write_packed_refs(f, {'ref/1': ONES, 'ref/2': TWOS},
+ {'ref/1': THREES})
+ self.assertEqual(
+ "# pack-refs with: peeled\n%s ref/1\n^%s\n%s ref/2\n" % (
+ ONES, THREES, TWOS), f.getvalue())
+
+ def test_write_without_peeled(self):
+ f = StringIO()
+ write_packed_refs(f, {'ref/1': ONES, 'ref/2': TWOS})
+ self.assertEqual("%s ref/1\n%s ref/2\n" % (ONES, TWOS), f.getvalue())
+
+
+# Dict of refs that we expect all RefsContainerTests subclasses to define.
+_TEST_REFS = {
+ 'HEAD': '42d06bd4b77fed026b154d16493e5deab78f02ec',
+ 'refs/heads/master': '42d06bd4b77fed026b154d16493e5deab78f02ec',
+ 'refs/heads/packed': '42d06bd4b77fed026b154d16493e5deab78f02ec',
+ 'refs/tags/refs-0.1': 'df6800012397fb85c56e7418dd4eb9405dee075c',
+ 'refs/tags/refs-0.2': '3ec9c43c84ff242e3ef4a9fc5bc111fd780a76a8',
+ }
+
+
+class RefsContainerTests(object):
+
+ def test_keys(self):
+ actual_keys = set(self._refs.keys())
+ self.assertEqual(set(self._refs.allkeys()), actual_keys)
+ # ignore the symref loop if it exists
+ actual_keys.discard('refs/heads/loop')
+ self.assertEqual(set(_TEST_REFS.iterkeys()), actual_keys)
+
+ actual_keys = self._refs.keys('refs/heads')
+ actual_keys.discard('loop')
+ self.assertEqual(['master', 'packed'], sorted(actual_keys))
+ self.assertEqual(['refs-0.1', 'refs-0.2'],
+ sorted(self._refs.keys('refs/tags')))
+
+ def test_as_dict(self):
+ # refs/heads/loop does not show up even if it exists
+ self.assertEqual(_TEST_REFS, self._refs.as_dict())
+
+ def test_setitem(self):
+ self._refs['refs/some/ref'] = '42d06bd4b77fed026b154d16493e5deab78f02ec'
+ self.assertEqual('42d06bd4b77fed026b154d16493e5deab78f02ec',
+ self._refs['refs/some/ref'])
+
+ def test_set_if_equals(self):
+ nines = '9' * 40
+ self.assertFalse(self._refs.set_if_equals('HEAD', 'c0ffee', nines))
+ self.assertEqual('42d06bd4b77fed026b154d16493e5deab78f02ec',
+ self._refs['HEAD'])
+
+ self.assertTrue(self._refs.set_if_equals(
+ 'HEAD', '42d06bd4b77fed026b154d16493e5deab78f02ec', nines))
+ self.assertEqual(nines, self._refs['HEAD'])
+
+ self.assertTrue(self._refs.set_if_equals('refs/heads/master', None,
+ nines))
+ self.assertEqual(nines, self._refs['refs/heads/master'])
+
+ def test_add_if_new(self):
+ nines = '9' * 40
+ self.assertFalse(self._refs.add_if_new('refs/heads/master', nines))
+ self.assertEqual('42d06bd4b77fed026b154d16493e5deab78f02ec',
+ self._refs['refs/heads/master'])
+
+ self.assertTrue(self._refs.add_if_new('refs/some/ref', nines))
+ self.assertEqual(nines, self._refs['refs/some/ref'])
+
+ def test_set_symbolic_ref(self):
+ self._refs.set_symbolic_ref('refs/heads/symbolic', 'refs/heads/master')
+ self.assertEqual('ref: refs/heads/master',
+ self._refs.read_loose_ref('refs/heads/symbolic'))
+ self.assertEqual('42d06bd4b77fed026b154d16493e5deab78f02ec',
+ self._refs['refs/heads/symbolic'])
+
+ def test_set_symbolic_ref_overwrite(self):
+ nines = '9' * 40
+ self.assertFalse('refs/heads/symbolic' in self._refs)
+ self._refs['refs/heads/symbolic'] = nines
+ self.assertEqual(nines, self._refs.read_loose_ref('refs/heads/symbolic'))
+ self._refs.set_symbolic_ref('refs/heads/symbolic', 'refs/heads/master')
+ self.assertEqual('ref: refs/heads/master',
+ self._refs.read_loose_ref('refs/heads/symbolic'))
+ self.assertEqual('42d06bd4b77fed026b154d16493e5deab78f02ec',
+ self._refs['refs/heads/symbolic'])
+
+ def test_check_refname(self):
+ try:
+ self._refs._check_refname('HEAD')
+ except KeyError:
+ self.fail()
+
+ try:
+ self._refs._check_refname('refs/heads/foo')
+ except KeyError:
+ self.fail()
+
+ self.assertRaises(KeyError, self._refs._check_refname, 'refs')
+ self.assertRaises(KeyError, self._refs._check_refname, 'notrefs/foo')
+
+ def test_contains(self):
+ self.assertTrue('refs/heads/master' in self._refs)
+ self.assertFalse('refs/heads/bar' in self._refs)
+
+ def test_delitem(self):
+ self.assertEqual('42d06bd4b77fed026b154d16493e5deab78f02ec',
+ self._refs['refs/heads/master'])
+ del self._refs['refs/heads/master']
+ self.assertRaises(KeyError, lambda: self._refs['refs/heads/master'])
+
+ def test_remove_if_equals(self):
+ self.assertFalse(self._refs.remove_if_equals('HEAD', 'c0ffee'))
+ self.assertEqual('42d06bd4b77fed026b154d16493e5deab78f02ec',
+ self._refs['HEAD'])
+ self.assertTrue(self._refs.remove_if_equals(
+ 'refs/tags/refs-0.2', '3ec9c43c84ff242e3ef4a9fc5bc111fd780a76a8'))
+ self.assertFalse('refs/tags/refs-0.2' in self._refs)
+
+
+class DictRefsContainerTests(RefsContainerTests, unittest.TestCase):
+
+ def setUp(self):
+ self._refs = DictRefsContainer(dict(_TEST_REFS))
+
+
+class DiskRefsContainerTests(RefsContainerTests, unittest.TestCase):
+
+ def setUp(self):
+ self._repo = open_repo('refs.git')
+ self._refs = self._repo.refs
+
+ def tearDown(self):
+ tear_down_repo(self._repo)
+
+ def test_get_packed_refs(self):
+ self.assertEqual({
+ 'refs/heads/packed': '42d06bd4b77fed026b154d16493e5deab78f02ec',
+ 'refs/tags/refs-0.1': 'df6800012397fb85c56e7418dd4eb9405dee075c',
+ }, self._refs.get_packed_refs())
+
+ def test_get_peeled_not_packed(self):
+ # not packed
+ self.assertEqual(None, self._refs.get_peeled('refs/tags/refs-0.2'))
+ self.assertEqual('3ec9c43c84ff242e3ef4a9fc5bc111fd780a76a8',
+ self._refs['refs/tags/refs-0.2'])
+
+ # packed, known not peelable
+ self.assertEqual(self._refs['refs/heads/packed'],
+ self._refs.get_peeled('refs/heads/packed'))
+
+ # packed, peeled
+ self.assertEqual('42d06bd4b77fed026b154d16493e5deab78f02ec',
+ self._refs.get_peeled('refs/tags/refs-0.1'))
+
+ def test_setitem(self):
+ RefsContainerTests.test_setitem(self)
+ f = open(os.path.join(self._refs.path, 'refs', 'some', 'ref'), 'rb')
+ self.assertEqual('42d06bd4b77fed026b154d16493e5deab78f02ec',
+ f.read()[:40])
+ f.close()
+
+ def test_setitem_symbolic(self):
+ ones = '1' * 40
+ self._refs['HEAD'] = ones
+ self.assertEqual(ones, self._refs['HEAD'])
+
+ # ensure HEAD was not modified
+ f = open(os.path.join(self._refs.path, 'HEAD'), 'rb')
+ self.assertEqual('ref: refs/heads/master', iter(f).next().rstrip('\n'))
+ f.close()
+
+ # ensure the symbolic link was written through
+ f = open(os.path.join(self._refs.path, 'refs', 'heads', 'master'), 'rb')
+ self.assertEqual(ones, f.read()[:40])
+ f.close()
+
+ def test_set_if_equals(self):
+ RefsContainerTests.test_set_if_equals(self)
+
+ # ensure symref was followed
+ self.assertEqual('9' * 40, self._refs['refs/heads/master'])
+
+ # ensure lockfile was deleted
+ self.assertFalse(os.path.exists(
+ os.path.join(self._refs.path, 'refs', 'heads', 'master.lock')))
+ self.assertFalse(os.path.exists(
+ os.path.join(self._refs.path, 'HEAD.lock')))
+
+ def test_add_if_new_packed(self):
+ # don't overwrite packed ref
+ self.assertFalse(self._refs.add_if_new('refs/tags/refs-0.1', '9' * 40))
+ self.assertEqual('df6800012397fb85c56e7418dd4eb9405dee075c',
+ self._refs['refs/tags/refs-0.1'])
+
+ def test_add_if_new_symbolic(self):
+ # Use an empty repo instead of the default.
+ tear_down_repo(self._repo)
+ repo_dir = os.path.join(tempfile.mkdtemp(), 'test')
+ os.makedirs(repo_dir)
+ self._repo = Repo.init(repo_dir)
+ refs = self._repo.refs
+
+ nines = '9' * 40
+ self.assertEqual('ref: refs/heads/master', refs.read_ref('HEAD'))
+ self.assertFalse('refs/heads/master' in refs)
+ self.assertTrue(refs.add_if_new('HEAD', nines))
+ self.assertEqual('ref: refs/heads/master', refs.read_ref('HEAD'))
+ self.assertEqual(nines, refs['HEAD'])
+ self.assertEqual(nines, refs['refs/heads/master'])
+ self.assertFalse(refs.add_if_new('HEAD', '1' * 40))
+ self.assertEqual(nines, refs['HEAD'])
+ self.assertEqual(nines, refs['refs/heads/master'])
+
+ def test_follow(self):
+ self.assertEquals(
+ ('refs/heads/master', '42d06bd4b77fed026b154d16493e5deab78f02ec'),
+ self._refs._follow('HEAD'))
+ self.assertEquals(
+ ('refs/heads/master', '42d06bd4b77fed026b154d16493e5deab78f02ec'),
+ self._refs._follow('refs/heads/master'))
+ self.assertRaises(KeyError, self._refs._follow, 'notrefs/foo')
+ self.assertRaises(KeyError, self._refs._follow, 'refs/heads/loop')
+
+ def test_delitem(self):
+ RefsContainerTests.test_delitem(self)
+ ref_file = os.path.join(self._refs.path, 'refs', 'heads', 'master')
+ self.assertFalse(os.path.exists(ref_file))
+ self.assertFalse('refs/heads/master' in self._refs.get_packed_refs())
+
+ def test_delitem_symbolic(self):
+ self.assertEqual('ref: refs/heads/master',
+ self._refs.read_loose_ref('HEAD'))
+ del self._refs['HEAD']
+ self.assertRaises(KeyError, lambda: self._refs['HEAD'])
+ self.assertEqual('42d06bd4b77fed026b154d16493e5deab78f02ec',
+ self._refs['refs/heads/master'])
+ self.assertFalse(os.path.exists(os.path.join(self._refs.path, 'HEAD')))
+
+ def test_remove_if_equals_symref(self):
+ # HEAD is a symref, so shouldn't equal its dereferenced value
+ self.assertFalse(self._refs.remove_if_equals(
+ 'HEAD', '42d06bd4b77fed026b154d16493e5deab78f02ec'))
+ self.assertTrue(self._refs.remove_if_equals(
+ 'refs/heads/master', '42d06bd4b77fed026b154d16493e5deab78f02ec'))
+ self.assertRaises(KeyError, lambda: self._refs['refs/heads/master'])
+
+ # HEAD is now a broken symref
+ self.assertRaises(KeyError, lambda: self._refs['HEAD'])
+ self.assertEqual('ref: refs/heads/master',
+ self._refs.read_loose_ref('HEAD'))
+
+ self.assertFalse(os.path.exists(
+ os.path.join(self._refs.path, 'refs', 'heads', 'master.lock')))
+ self.assertFalse(os.path.exists(
+ os.path.join(self._refs.path, 'HEAD.lock')))
+
+ def test_remove_packed_without_peeled(self):
+ refs_file = os.path.join(self._repo.path, 'packed-refs')
+ f = open(refs_file)
+ refs_data = f.read()
+ f.close()
+ f = open(refs_file, 'w')
+ f.write('\n'.join(l for l in refs_data.split('\n')
+ if not l or l[0] not in '#^'))
+ f.close()
+ self._repo = Repo(self._repo.path)
+ refs = self._repo.refs
+ self.assertTrue(refs.remove_if_equals(
+ 'refs/heads/packed', '42d06bd4b77fed026b154d16493e5deab78f02ec'))
+
+ def test_remove_if_equals_packed(self):
+ # test removing ref that is only packed
+ self.assertEqual('df6800012397fb85c56e7418dd4eb9405dee075c',
+ self._refs['refs/tags/refs-0.1'])
+ self.assertTrue(
+ self._refs.remove_if_equals('refs/tags/refs-0.1',
+ 'df6800012397fb85c56e7418dd4eb9405dee075c'))
+ self.assertRaises(KeyError, lambda: self._refs['refs/tags/refs-0.1'])
+
+ def test_read_ref(self):
+ self.assertEqual('ref: refs/heads/master', self._refs.read_ref("HEAD"))
+ self.assertEqual('42d06bd4b77fed026b154d16493e5deab78f02ec',
+ self._refs.read_ref("refs/heads/packed"))
+ self.assertEqual(None,
+ self._refs.read_ref("nonexistant"))