# test_repository.py -- tests for repository.py # Copyright (C) 2007 James Westby # # 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 # 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 warnings from dulwich import errors from dulwich.file import ( GitFile, ) from dulwich.object_store import ( tree_lookup_path, ) from dulwich import objects from dulwich.repo import ( check_ref_format, DictRefsContainer, Repo, MemoryRepo, read_packed_refs, read_packed_refs_with_peeled, write_packed_refs, _split_ref_line, ) from dulwich.tests import ( TestCase, ) from dulwich.tests.utils import ( open_repo, tear_down_repo, ) missing_sha = 'b91fa4d900e17e99b433218e988c4eb4a3e9a097' class CreateRepositoryTests(TestCase): def assertFileContentsEqual(self, expected, repo, path): f = repo.get_named_file(path) if not f: self.assertEqual(expected, None) else: try: self.assertEqual(expected, f.read()) finally: f.close() def _check_repo_contents(self, repo, expect_bare): self.assertEquals(expect_bare, repo.bare) self.assertFileContentsEqual('Unnamed repository', repo, 'description') self.assertFileContentsEqual('', repo, os.path.join('info', 'exclude')) self.assertFileContentsEqual(None, repo, 'nonexistent file') barestr = 'bare = %s' % str(expect_bare).lower() self.assertTrue(barestr in repo.get_named_file('config').read()) def test_create_disk_bare(self): tmp_dir = tempfile.mkdtemp() self.addCleanup(shutil.rmtree, tmp_dir) repo = Repo.init_bare(tmp_dir) self.assertEquals(tmp_dir, repo._controldir) self._check_repo_contents(repo, True) def test_create_disk_non_bare(self): tmp_dir = tempfile.mkdtemp() self.addCleanup(shutil.rmtree, tmp_dir) repo = Repo.init(tmp_dir) self.assertEquals(os.path.join(tmp_dir, '.git'), repo._controldir) self._check_repo_contents(repo, False) def test_create_memory(self): repo = MemoryRepo.init_bare([], {}) self._check_repo_contents(repo, True) class RepositoryTests(TestCase): def setUp(self): super(RepositoryTests, self).setUp() self._repo = None def tearDown(self): if self._repo is not None: tear_down_repo(self._repo) super(RepositoryTests, self).tearDown() 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_delitem(self): r = self._repo = open_repo('a.git') del r['refs/heads/master'] self.assertRaises(KeyError, lambda: r['refs/heads/master']) del r['HEAD'] self.assertRaises(KeyError, lambda: r['HEAD']) self.assertRaises(ValueError, r.__delitem__, 'notrefs/foo') 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) self.addCleanup(warnings.resetwarnings) obj = r.commit(r.head()) self.assertEqual(obj.type_name, 'commit') def test_commit_not_commit(self): r = self._repo = open_repo('a.git') warnings.simplefilter("ignore", DeprecationWarning) self.addCleanup(warnings.resetwarnings) self.assertRaises(errors.NotCommitError, r.commit, '4f2e6529203aa6d44b5af6e3292c837ceda003f9') def test_tree(self): r = self._repo = open_repo('a.git') commit = r[r.head()] warnings.simplefilter("ignore", DeprecationWarning) self.addCleanup(warnings.resetwarnings) tree = r.tree(commit.tree) 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) self.addCleanup(warnings.resetwarnings) self.assertRaises(errors.NotTreeError, r.tree, r.head()) def test_tag(self): r = self._repo = open_repo('a.git') tag_sha = '28237f4dc30d0d462658d6b937b08a0f0b6ef55a' warnings.simplefilter("ignore", DeprecationWarning) self.addCleanup(warnings.resetwarnings) tag = r.tag(tag_sha) 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) self.addCleanup(warnings.resetwarnings) self.assertRaises(errors.NotTagError, r.tag, r.head()) 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.items()[0][2] warnings.simplefilter("ignore", DeprecationWarning) self.addCleanup(warnings.resetwarnings) blob = r.get_blob(blob_sha) 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) self.addCleanup(warnings.resetwarnings) self.assertRaises(errors.NotBlobError, r.get_blob, r.head()) 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_clone(self): r = self._repo = open_repo('a.git') tmp_dir = tempfile.mkdtemp() self.addCleanup(shutil.rmtree, tmp_dir) t = r.clone(tmp_dir, mkdir=False) self.assertEqual({ 'HEAD': 'a90fa2d900a17e99b433217e988c4eb4a2e9a097', 'refs/remotes/origin/master': 'a90fa2d900a17e99b433217e988c4eb4a2e9a097', 'refs/heads/master': 'a90fa2d900a17e99b433217e988c4eb4a2e9a097', 'refs/tags/mytag': '28237f4dc30d0d462658d6b937b08a0f0b6ef55a', 'refs/tags/mytag-packed': 'b0931cadc54336e78a1d980420e3268903b57a50', }, t.refs.as_dict()) history = t.revision_history(t.head()) shas = [c.sha().hexdigest() for c in history] self.assertEqual(shas, [t.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(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): super(BuildRepoTests, self).setUp() 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 ', author='Test Author ', 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) super(BuildRepoTests, self).tearDown() 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 ', author='Test Author ', 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 ', author='Test Author ', 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([], list(tree.iteritems())) def test_commit_encoding(self): r = self._repo commit_sha = r.do_commit('commit with strange character \xee', committer='Test Committer ', author='Test Author ', commit_timestamp=12395, commit_timezone=0, author_timestamp=12395, author_timezone=0, encoding="iso8859-1") self.assertEquals("iso8859-1", r[commit_sha].encoding) 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 ', author='Test Author ', 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_commit_branch(self): r = self._repo commit_sha = r.do_commit('commit to branch', committer='Test Committer ', author='Test Author ', commit_timestamp=12395, commit_timezone=0, author_timestamp=12395, author_timezone=0, ref="refs/heads/new_branch") self.assertEqual(self._root_commit, r["HEAD"].id) self.assertEqual(commit_sha, r["refs/heads/new_branch"].id) self.assertEqual([], r[commit_sha].parents) self.assertTrue("refs/heads/new_branch" in r) new_branch_head = commit_sha commit_sha = r.do_commit('commit to branch 2', committer='Test Committer ', author='Test Author ', commit_timestamp=12395, commit_timezone=0, author_timestamp=12395, author_timezone=0, ref="refs/heads/new_branch") self.assertEqual(self._root_commit, r["HEAD"].id) self.assertEqual(commit_sha, r["refs/heads/new_branch"].id) self.assertEqual([new_branch_head], r[commit_sha].parents) def test_commit_merge_heads(self): r = self._repo merge_1 = r.do_commit('commit to branch 2', committer='Test Committer ', author='Test Author ', commit_timestamp=12395, commit_timezone=0, author_timestamp=12395, author_timezone=0, ref="refs/heads/new_branch") commit_sha = r.do_commit('commit with merge', committer='Test Committer ', author='Test Author ', commit_timestamp=12395, commit_timezone=0, author_timestamp=12395, author_timezone=0, merge_heads=[merge_1]) self.assertEquals( [self._root_commit, merge_1], r[commit_sha].parents) 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(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(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']) self.assertRaises(errors.RefFormatError, self._refs.__setitem__, 'notrefs/foo', '42d06bd4b77fed026b154d16493e5deab78f02ec') 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): self._refs._check_refname('HEAD') self._refs._check_refname('refs/stash') self._refs._check_refname('refs/heads/foo') self.assertRaises(errors.RefFormatError, self._refs._check_refname, 'refs') self.assertRaises(errors.RefFormatError, 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, TestCase): def setUp(self): TestCase.setUp(self) self._refs = DictRefsContainer(dict(_TEST_REFS)) def test_invalid_refname(self): # FIXME: Move this test into RefsContainerTests, but requires # some way of injecting invalid refs. self._refs._refs["refs/stash"] = "00" * 20 expected_refs = dict(_TEST_REFS) expected_refs["refs/stash"] = "00" * 20 self.assertEquals(expected_refs, self._refs.as_dict()) class DiskRefsContainerTests(RefsContainerTests, TestCase): def setUp(self): TestCase.setUp(self) self._repo = open_repo('refs.git') self._refs = self._repo.refs def tearDown(self): tear_down_repo(self._repo) TestCase.tearDown(self) 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, '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 = GitFile(refs_file) refs_data = f.read() f.close() f = GitFile(refs_file, 'wb') 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"))