gvsig-scripting / org.gvsig.scripting / trunk / org.gvsig.scripting / org.gvsig.scripting.app / org.gvsig.scripting.app.mainplugin / src / main / resources-plugin / scripting / lib / dulwich / tests / test_refs.py @ 959
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# test_refs.py -- tests for refs.py
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# encoding: utf-8
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# Copyright (C) 2013 Jelmer Vernooij <jelmer@samba.org>
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#
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# Dulwich is dual-licensed under the Apache License, Version 2.0 and the GNU
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# General Public License as public by the Free Software Foundation; version 2.0
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# or (at your option) any later version. You can redistribute it and/or
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# modify it under the terms of either of these two licenses.
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# You should have received a copy of the licenses; if not, see
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# <http://www.gnu.org/licenses/> for a copy of the GNU General Public License
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# and <http://www.apache.org/licenses/LICENSE-2.0> for a copy of the Apache
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# License, Version 2.0.
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#
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"""Tests for dulwich.refs."""
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from io import BytesIO |
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import os |
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import sys |
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import tempfile |
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from dulwich import errors |
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from dulwich.file import ( |
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GitFile, |
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) |
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from dulwich.objects import ZERO_SHA |
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from dulwich.refs import ( |
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DictRefsContainer, |
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InfoRefsContainer, |
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check_ref_format, |
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_split_ref_line, |
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read_packed_refs_with_peeled, |
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read_packed_refs, |
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write_packed_refs, |
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) |
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from dulwich.repo import Repo |
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from dulwich.tests import ( |
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SkipTest, |
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TestCase, |
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) |
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from dulwich.tests.utils import ( |
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open_repo, |
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tear_down_repo, |
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) |
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class CheckRefFormatTests(TestCase): |
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"""Tests for the check_ref_format function.
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These are the same tests as in the git test suite.
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"""
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def test_valid(self): |
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self.assertTrue(check_ref_format(b'heads/foo')) |
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self.assertTrue(check_ref_format(b'foo/bar/baz')) |
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self.assertTrue(check_ref_format(b'refs///heads/foo')) |
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self.assertTrue(check_ref_format(b'foo./bar')) |
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self.assertTrue(check_ref_format(b'heads/foo@bar')) |
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self.assertTrue(check_ref_format(b'heads/fix.lock.error')) |
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def test_invalid(self): |
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self.assertFalse(check_ref_format(b'foo')) |
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self.assertFalse(check_ref_format(b'heads/foo/')) |
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self.assertFalse(check_ref_format(b'./foo')) |
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self.assertFalse(check_ref_format(b'.refs/foo')) |
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self.assertFalse(check_ref_format(b'heads/foo..bar')) |
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self.assertFalse(check_ref_format(b'heads/foo?bar')) |
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self.assertFalse(check_ref_format(b'heads/foo.lock')) |
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self.assertFalse(check_ref_format(b'heads/v@{ation')) |
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self.assertFalse(check_ref_format(b'heads/foo\bar')) |
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ONES = b'1' * 40 |
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TWOS = b'2' * 40 |
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THREES = b'3' * 40 |
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FOURS = b'4' * 40 |
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class PackedRefsFileTests(TestCase): |
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def test_split_ref_line_errors(self): |
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self.assertRaises(errors.PackedRefsException, _split_ref_line,
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b'singlefield')
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self.assertRaises(errors.PackedRefsException, _split_ref_line,
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b'badsha name')
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self.assertRaises(errors.PackedRefsException, _split_ref_line,
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ONES + b' bad/../refname')
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def test_read_without_peeled(self): |
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f = BytesIO(b'\n'.join([
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b'# comment',
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ONES + b' ref/1',
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TWOS + b' ref/2']))
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self.assertEqual([(ONES, b'ref/1'), (TWOS, b'ref/2')], |
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list(read_packed_refs(f)))
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def test_read_without_peeled_errors(self): |
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f = BytesIO(b'\n'.join([
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ONES + b' ref/1',
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b'^' + TWOS]))
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self.assertRaises(errors.PackedRefsException, list, read_packed_refs(f)) |
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def test_read_with_peeled(self): |
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f = BytesIO(b'\n'.join([
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ONES + b' ref/1',
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TWOS + b' ref/2',
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b'^' + THREES,
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FOURS + b' ref/4']))
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self.assertEqual([
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(ONES, b'ref/1', None), |
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(TWOS, b'ref/2', THREES),
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(FOURS, b'ref/4', None), |
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], list(read_packed_refs_with_peeled(f)))
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def test_read_with_peeled_errors(self): |
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f = BytesIO(b'\n'.join([
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b'^' + TWOS,
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ONES + b' ref/1']))
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self.assertRaises(errors.PackedRefsException, list, read_packed_refs(f)) |
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f = BytesIO(b'\n'.join([
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ONES + b' ref/1',
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b'^' + TWOS,
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b'^' + THREES]))
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self.assertRaises(errors.PackedRefsException, list, read_packed_refs(f)) |
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def test_write_with_peeled(self): |
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f = BytesIO() |
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write_packed_refs(f, {b'ref/1': ONES, b'ref/2': TWOS},
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{b'ref/1': THREES})
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self.assertEqual(
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b'\n'.join([b'# pack-refs with: peeled', |
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ONES + b' ref/1',
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b'^' + THREES,
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TWOS + b' ref/2']) + b'\n', |
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f.getvalue()) |
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def test_write_without_peeled(self): |
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f = BytesIO() |
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write_packed_refs(f, {b'ref/1': ONES, b'ref/2': TWOS})
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self.assertEqual(b'\n'.join([ONES + b' ref/1', |
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TWOS + b' ref/2']) + b'\n', |
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f.getvalue()) |
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# Dict of refs that we expect all RefsContainerTests subclasses to define.
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_TEST_REFS = {
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b'HEAD': b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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b'refs/heads/40-char-ref-aaaaaaaaaaaaaaaaaa': b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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b'refs/heads/master': b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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b'refs/heads/packed': b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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b'refs/tags/refs-0.1': b'df6800012397fb85c56e7418dd4eb9405dee075c', |
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b'refs/tags/refs-0.2': b'3ec9c43c84ff242e3ef4a9fc5bc111fd780a76a8', |
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} |
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class RefsContainerTests(object): |
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def test_keys(self): |
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actual_keys = set(self._refs.keys()) |
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self.assertEqual(set(self._refs.allkeys()), actual_keys) |
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# ignore the symref loop if it exists
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actual_keys.discard(b'refs/heads/loop')
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self.assertEqual(set(_TEST_REFS.keys()), actual_keys) |
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actual_keys = self._refs.keys(b'refs/heads') |
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actual_keys.discard(b'loop')
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self.assertEqual(
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[b'40-char-ref-aaaaaaaaaaaaaaaaaa', b'master', b'packed'], |
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sorted(actual_keys))
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self.assertEqual([b'refs-0.1', b'refs-0.2'], |
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sorted(self._refs.keys(b'refs/tags'))) |
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def test_as_dict(self): |
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# refs/heads/loop does not show up even if it exists
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self.assertEqual(_TEST_REFS, self._refs.as_dict()) |
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def test_setitem(self): |
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self._refs[b'refs/some/ref'] = b'42d06bd4b77fed026b154d16493e5deab78f02ec' |
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self.assertEqual(b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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self._refs[b'refs/some/ref']) |
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self.assertRaises(
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errors.RefFormatError, self._refs.__setitem__,
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b'notrefs/foo', b'42d06bd4b77fed026b154d16493e5deab78f02ec') |
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def test_set_if_equals(self): |
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nines = b'9' * 40 |
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self.assertFalse(self._refs.set_if_equals(b'HEAD', b'c0ffee', nines)) |
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self.assertEqual(b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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self._refs[b'HEAD']) |
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self.assertTrue(self._refs.set_if_equals( |
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b'HEAD', b'42d06bd4b77fed026b154d16493e5deab78f02ec', nines)) |
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self.assertEqual(nines, self._refs[b'HEAD']) |
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self.assertTrue(self._refs.set_if_equals(b'refs/heads/master', None, |
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nines)) |
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self.assertEqual(nines, self._refs[b'refs/heads/master']) |
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self.assertTrue(self._refs.set_if_equals( |
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b'refs/heads/nonexistant', ZERO_SHA, nines))
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self.assertEqual(nines, self._refs[b'refs/heads/nonexistant']) |
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def test_add_if_new(self): |
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nines = b'9' * 40 |
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self.assertFalse(self._refs.add_if_new(b'refs/heads/master', nines)) |
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self.assertEqual(b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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self._refs[b'refs/heads/master']) |
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self.assertTrue(self._refs.add_if_new(b'refs/some/ref', nines)) |
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self.assertEqual(nines, self._refs[b'refs/some/ref']) |
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def test_set_symbolic_ref(self): |
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self._refs.set_symbolic_ref(b'refs/heads/symbolic', |
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b'refs/heads/master')
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self.assertEqual(b'ref: refs/heads/master', |
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self._refs.read_loose_ref(b'refs/heads/symbolic')) |
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self.assertEqual(b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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self._refs[b'refs/heads/symbolic']) |
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def test_set_symbolic_ref_overwrite(self): |
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nines = b'9' * 40 |
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self.assertFalse(b'refs/heads/symbolic' in self._refs) |
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self._refs[b'refs/heads/symbolic'] = nines |
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self.assertEqual(nines,
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self._refs.read_loose_ref(b'refs/heads/symbolic')) |
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self._refs.set_symbolic_ref(b'refs/heads/symbolic', |
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b'refs/heads/master')
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self.assertEqual(b'ref: refs/heads/master', |
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self._refs.read_loose_ref(b'refs/heads/symbolic')) |
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self.assertEqual(b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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self._refs[b'refs/heads/symbolic']) |
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def test_check_refname(self): |
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self._refs._check_refname(b'HEAD') |
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self._refs._check_refname(b'refs/stash') |
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self._refs._check_refname(b'refs/heads/foo') |
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self.assertRaises(errors.RefFormatError, self._refs._check_refname, |
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b'refs')
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self.assertRaises(errors.RefFormatError, self._refs._check_refname, |
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b'notrefs/foo')
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def test_contains(self): |
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self.assertTrue(b'refs/heads/master' in self._refs) |
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self.assertFalse(b'refs/heads/bar' in self._refs) |
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def test_delitem(self): |
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self.assertEqual(b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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self._refs[b'refs/heads/master']) |
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del self._refs[b'refs/heads/master'] |
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self.assertRaises(KeyError, lambda: self._refs[b'refs/heads/master']) |
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def test_remove_if_equals(self): |
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self.assertFalse(self._refs.remove_if_equals(b'HEAD', b'c0ffee')) |
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self.assertEqual(b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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self._refs[b'HEAD']) |
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self.assertTrue(self._refs.remove_if_equals( |
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b'refs/tags/refs-0.2', b'3ec9c43c84ff242e3ef4a9fc5bc111fd780a76a8')) |
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self.assertTrue(self._refs.remove_if_equals( |
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b'refs/tags/refs-0.2', ZERO_SHA))
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self.assertFalse(b'refs/tags/refs-0.2' in self._refs) |
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class DictRefsContainerTests(RefsContainerTests, TestCase): |
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def setUp(self): |
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TestCase.setUp(self)
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self._refs = DictRefsContainer(dict(_TEST_REFS)) |
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def test_invalid_refname(self): |
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# FIXME: Move this test into RefsContainerTests, but requires
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# some way of injecting invalid refs.
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self._refs._refs[b'refs/stash'] = b'00' * 20 |
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expected_refs = dict(_TEST_REFS)
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expected_refs[b'refs/stash'] = b'00' * 20 |
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self.assertEqual(expected_refs, self._refs.as_dict()) |
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class DiskRefsContainerTests(RefsContainerTests, TestCase): |
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def setUp(self): |
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TestCase.setUp(self)
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self._repo = open_repo('refs.git') |
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self.addCleanup(tear_down_repo, self._repo) |
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self._refs = self._repo.refs |
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def test_get_packed_refs(self): |
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self.assertEqual({
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b'refs/heads/packed': b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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b'refs/tags/refs-0.1': b'df6800012397fb85c56e7418dd4eb9405dee075c', |
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}, self._refs.get_packed_refs())
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def test_get_peeled_not_packed(self): |
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# not packed
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self.assertEqual(None, self._refs.get_peeled(b'refs/tags/refs-0.2')) |
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self.assertEqual(b'3ec9c43c84ff242e3ef4a9fc5bc111fd780a76a8', |
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self._refs[b'refs/tags/refs-0.2']) |
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# packed, known not peelable
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self.assertEqual(self._refs[b'refs/heads/packed'], |
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self._refs.get_peeled(b'refs/heads/packed')) |
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# packed, peeled
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self.assertEqual(b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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self._refs.get_peeled(b'refs/tags/refs-0.1')) |
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def test_setitem(self): |
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RefsContainerTests.test_setitem(self)
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f = open(os.path.join(self._refs.path, 'refs', 'some', 'ref'), 'rb') |
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self.assertEqual(b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
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f.read()[:40])
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f.close() |
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def test_setitem_symbolic(self): |
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ones = b'1' * 40 |
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self._refs[b'HEAD'] = ones |
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self.assertEqual(ones, self._refs[b'HEAD']) |
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# ensure HEAD was not modified
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f = open(os.path.join(self._refs.path, 'HEAD'), 'rb') |
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v = next(iter(f)).rstrip(b'\n\r') |
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f.close() |
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self.assertEqual(b'ref: refs/heads/master', v) |
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# ensure the symbolic link was written through
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f = open(os.path.join(self._refs.path, 'refs', 'heads', 'master'), 'rb') |
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self.assertEqual(ones, f.read()[:40]) |
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f.close() |
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|
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def test_set_if_equals(self): |
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RefsContainerTests.test_set_if_equals(self)
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# ensure symref was followed
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self.assertEqual(b'9' * 40, self._refs[b'refs/heads/master']) |
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|
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# ensure lockfile was deleted
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self.assertFalse(os.path.exists(
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os.path.join(self._refs.path, 'refs', 'heads', 'master.lock'))) |
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self.assertFalse(os.path.exists(
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os.path.join(self._refs.path, 'HEAD.lock'))) |
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|
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def test_add_if_new_packed(self): |
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# don't overwrite packed ref
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self.assertFalse(self._refs.add_if_new(b'refs/tags/refs-0.1', |
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b'9' * 40)) |
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self.assertEqual(b'df6800012397fb85c56e7418dd4eb9405dee075c', |
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self._refs[b'refs/tags/refs-0.1']) |
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def test_add_if_new_symbolic(self): |
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# Use an empty repo instead of the default.
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repo_dir = os.path.join(tempfile.mkdtemp(), 'test')
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os.makedirs(repo_dir) |
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repo = Repo.init(repo_dir) |
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self.addCleanup(tear_down_repo, repo)
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refs = repo.refs |
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|
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nines = b'9' * 40 |
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self.assertEqual(b'ref: refs/heads/master', refs.read_ref(b'HEAD')) |
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self.assertFalse(b'refs/heads/master' in refs) |
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self.assertTrue(refs.add_if_new(b'HEAD', nines)) |
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self.assertEqual(b'ref: refs/heads/master', refs.read_ref(b'HEAD')) |
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self.assertEqual(nines, refs[b'HEAD']) |
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self.assertEqual(nines, refs[b'refs/heads/master']) |
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self.assertFalse(refs.add_if_new(b'HEAD', b'1' * 40)) |
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self.assertEqual(nines, refs[b'HEAD']) |
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self.assertEqual(nines, refs[b'refs/heads/master']) |
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|
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def test_follow(self): |
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self.assertEqual(([b'HEAD', b'refs/heads/master'], |
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b'42d06bd4b77fed026b154d16493e5deab78f02ec'),
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self._refs.follow(b'HEAD')) |
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self.assertEqual(([b'refs/heads/master'], |
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b'42d06bd4b77fed026b154d16493e5deab78f02ec'),
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self._refs.follow(b'refs/heads/master')) |
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self.assertRaises(KeyError, self._refs.follow, b'refs/heads/loop') |
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|
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def test_delitem(self): |
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RefsContainerTests.test_delitem(self)
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ref_file = os.path.join(self._refs.path, 'refs', 'heads', 'master') |
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self.assertFalse(os.path.exists(ref_file))
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self.assertFalse(b'refs/heads/master' in self._refs.get_packed_refs()) |
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|
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def test_delitem_symbolic(self): |
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self.assertEqual(b'ref: refs/heads/master', |
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self._refs.read_loose_ref(b'HEAD')) |
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del self._refs[b'HEAD'] |
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self.assertRaises(KeyError, lambda: self._refs[b'HEAD']) |
| 397 |
self.assertEqual(b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
| 398 |
self._refs[b'refs/heads/master']) |
| 399 |
self.assertFalse(os.path.exists(os.path.join(self._refs.path, 'HEAD'))) |
| 400 |
|
| 401 |
def test_remove_if_equals_symref(self): |
| 402 |
# HEAD is a symref, so shouldn't equal its dereferenced value
|
| 403 |
self.assertFalse(self._refs.remove_if_equals( |
| 404 |
b'HEAD', b'42d06bd4b77fed026b154d16493e5deab78f02ec')) |
| 405 |
self.assertTrue(self._refs.remove_if_equals( |
| 406 |
b'refs/heads/master', b'42d06bd4b77fed026b154d16493e5deab78f02ec')) |
| 407 |
self.assertRaises(KeyError, lambda: self._refs[b'refs/heads/master']) |
| 408 |
|
| 409 |
# HEAD is now a broken symref
|
| 410 |
self.assertRaises(KeyError, lambda: self._refs[b'HEAD']) |
| 411 |
self.assertEqual(b'ref: refs/heads/master', |
| 412 |
self._refs.read_loose_ref(b'HEAD')) |
| 413 |
|
| 414 |
self.assertFalse(os.path.exists(
|
| 415 |
os.path.join(self._refs.path, 'refs', 'heads', 'master.lock'))) |
| 416 |
self.assertFalse(os.path.exists(
|
| 417 |
os.path.join(self._refs.path, 'HEAD.lock'))) |
| 418 |
|
| 419 |
def test_remove_packed_without_peeled(self): |
| 420 |
refs_file = os.path.join(self._repo.path, 'packed-refs') |
| 421 |
f = GitFile(refs_file) |
| 422 |
refs_data = f.read() |
| 423 |
f.close() |
| 424 |
f = GitFile(refs_file, 'wb')
|
| 425 |
f.write(b'\n'.join(l for l in refs_data.split(b'\n') |
| 426 |
if not l or l[0] not in b'#^')) |
| 427 |
f.close() |
| 428 |
self._repo = Repo(self._repo.path) |
| 429 |
refs = self._repo.refs
|
| 430 |
self.assertTrue(refs.remove_if_equals(
|
| 431 |
b'refs/heads/packed', b'42d06bd4b77fed026b154d16493e5deab78f02ec')) |
| 432 |
|
| 433 |
def test_remove_if_equals_packed(self): |
| 434 |
# test removing ref that is only packed
|
| 435 |
self.assertEqual(b'df6800012397fb85c56e7418dd4eb9405dee075c', |
| 436 |
self._refs[b'refs/tags/refs-0.1']) |
| 437 |
self.assertTrue(
|
| 438 |
self._refs.remove_if_equals(
|
| 439 |
b'refs/tags/refs-0.1',
|
| 440 |
b'df6800012397fb85c56e7418dd4eb9405dee075c'))
|
| 441 |
self.assertRaises(KeyError, lambda: self._refs[b'refs/tags/refs-0.1']) |
| 442 |
|
| 443 |
def test_read_ref(self): |
| 444 |
self.assertEqual(b'ref: refs/heads/master', self._refs.read_ref(b'HEAD')) |
| 445 |
self.assertEqual(b'42d06bd4b77fed026b154d16493e5deab78f02ec', |
| 446 |
self._refs.read_ref(b'refs/heads/packed')) |
| 447 |
self.assertEqual(None, self._refs.read_ref(b'nonexistant')) |
| 448 |
|
| 449 |
def test_non_ascii(self): |
| 450 |
try:
|
| 451 |
encoded_ref = u'refs/tags/schön'.encode(sys.getfilesystemencoding())
|
| 452 |
except UnicodeEncodeError: |
| 453 |
raise SkipTest("filesystem encoding doesn't support special character") |
| 454 |
p = os.path.join(self._repo.path, 'refs', 'tags', u'schön') |
| 455 |
with open(p, 'w') as f: |
| 456 |
f.write('00' * 20) |
| 457 |
|
| 458 |
expected_refs = dict(_TEST_REFS)
|
| 459 |
expected_refs[encoded_ref] = b'00' * 20 |
| 460 |
|
| 461 |
self.assertEqual(expected_refs, self._repo.get_refs()) |
| 462 |
|
| 463 |
|
| 464 |
_TEST_REFS_SERIALIZED = ( |
| 465 |
b'42d06bd4b77fed026b154d16493e5deab78f02ec\trefs/heads/40-char-ref-aaaaaaaaaaaaaaaaaa\n'
|
| 466 |
b'42d06bd4b77fed026b154d16493e5deab78f02ec\trefs/heads/master\n'
|
| 467 |
b'42d06bd4b77fed026b154d16493e5deab78f02ec\trefs/heads/packed\n'
|
| 468 |
b'df6800012397fb85c56e7418dd4eb9405dee075c\trefs/tags/refs-0.1\n'
|
| 469 |
b'3ec9c43c84ff242e3ef4a9fc5bc111fd780a76a8\trefs/tags/refs-0.2\n')
|
| 470 |
|
| 471 |
|
| 472 |
class InfoRefsContainerTests(TestCase): |
| 473 |
|
| 474 |
def test_invalid_refname(self): |
| 475 |
text = _TEST_REFS_SERIALIZED + b'00' * 20 + b'\trefs/stash\n' |
| 476 |
refs = InfoRefsContainer(BytesIO(text)) |
| 477 |
expected_refs = dict(_TEST_REFS)
|
| 478 |
del expected_refs[b'HEAD'] |
| 479 |
expected_refs[b'refs/stash'] = b'00' * 20 |
| 480 |
self.assertEqual(expected_refs, refs.as_dict())
|
| 481 |
|
| 482 |
def test_keys(self): |
| 483 |
refs = InfoRefsContainer(BytesIO(_TEST_REFS_SERIALIZED)) |
| 484 |
actual_keys = set(refs.keys())
|
| 485 |
self.assertEqual(set(refs.allkeys()), actual_keys) |
| 486 |
# ignore the symref loop if it exists
|
| 487 |
actual_keys.discard(b'refs/heads/loop')
|
| 488 |
expected_refs = dict(_TEST_REFS)
|
| 489 |
del expected_refs[b'HEAD'] |
| 490 |
self.assertEqual(set(expected_refs.keys()), actual_keys) |
| 491 |
|
| 492 |
actual_keys = refs.keys(b'refs/heads')
|
| 493 |
actual_keys.discard(b'loop')
|
| 494 |
self.assertEqual(
|
| 495 |
[b'40-char-ref-aaaaaaaaaaaaaaaaaa', b'master', b'packed'], |
| 496 |
sorted(actual_keys))
|
| 497 |
self.assertEqual([b'refs-0.1', b'refs-0.2'], |
| 498 |
sorted(refs.keys(b'refs/tags'))) |
| 499 |
|
| 500 |
def test_as_dict(self): |
| 501 |
refs = InfoRefsContainer(BytesIO(_TEST_REFS_SERIALIZED)) |
| 502 |
# refs/heads/loop does not show up even if it exists
|
| 503 |
expected_refs = dict(_TEST_REFS)
|
| 504 |
del expected_refs[b'HEAD'] |
| 505 |
self.assertEqual(expected_refs, refs.as_dict())
|
| 506 |
|
| 507 |
def test_contains(self): |
| 508 |
refs = InfoRefsContainer(BytesIO(_TEST_REFS_SERIALIZED)) |
| 509 |
self.assertTrue(b'refs/heads/master' in refs) |
| 510 |
self.assertFalse(b'refs/heads/bar' in refs) |
| 511 |
|
| 512 |
def test_get_peeled(self): |
| 513 |
refs = InfoRefsContainer(BytesIO(_TEST_REFS_SERIALIZED)) |
| 514 |
# refs/heads/loop does not show up even if it exists
|
| 515 |
self.assertEqual(
|
| 516 |
_TEST_REFS[b'refs/heads/master'],
|
| 517 |
refs.get_peeled(b'refs/heads/master'))
|