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Viewing changes to bzrlib/tests/per_repository_chk/test_supported.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2009-04-07 22:23:23 UTC
  • mfrom: (4246.1.3 bzr.1.14)
  • Revision ID: pqm@pqm.ubuntu.com-20090407222323-wj7suiz9p413eflm
(tanner) land brisbane-core in safest possible way (Vincent Ladeuil,
        Robert Collins)

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bzrlib/tests/per_repository_chk/test_supported.py
 
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# Copyright (C) 2008 Canonical Ltd
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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"""Tests for repositories that support CHK indices."""
 
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from bzrlib import osutils
 
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from bzrlib.versionedfile import VersionedFiles
 
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from bzrlib.tests.per_repository_chk import TestCaseWithRepositoryCHK
 
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class TestCHKSupport(TestCaseWithRepositoryCHK):
 
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    def test_chk_bytes_attribute_is_VersionedFiles(self):
 
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        repo = self.make_repository('.')
 
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        self.assertIsInstance(repo.chk_bytes, VersionedFiles)
 
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    def test_add_bytes_to_chk_bytes_store(self):
 
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        repo = self.make_repository('.')
 
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        repo.lock_write()
 
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        try:
 
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            repo.start_write_group()
 
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            try:
 
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                sha1, len, _ = repo.chk_bytes.add_lines((None,),
 
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                    None, ["foo\n", "bar\n"], random_id=True)
 
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                self.assertEqual('4e48e2c9a3d2ca8a708cb0cc545700544efb5021',
 
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                    sha1)
 
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                self.assertEqual(
 
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                    set([('sha1:4e48e2c9a3d2ca8a708cb0cc545700544efb5021',)]),
 
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                    repo.chk_bytes.keys())
 
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            except:
 
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                repo.abort_write_group()
 
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                raise
 
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            else:
 
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                repo.commit_write_group()
 
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        finally:
 
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            repo.unlock()
 
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        # And after an unlock/lock pair
 
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        repo.lock_read()
 
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        try:
 
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            self.assertEqual(
 
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                set([('sha1:4e48e2c9a3d2ca8a708cb0cc545700544efb5021',)]),
 
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                repo.chk_bytes.keys())
 
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        finally:
 
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            repo.unlock()
 
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        # and reopening
 
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        repo = repo.bzrdir.open_repository()
 
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        repo.lock_read()
 
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        try:
 
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            self.assertEqual(
 
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                set([('sha1:4e48e2c9a3d2ca8a708cb0cc545700544efb5021',)]),
 
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                repo.chk_bytes.keys())
 
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        finally:
 
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            repo.unlock()
 
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    def test_pack_preserves_chk_bytes_store(self):
 
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        leaf_lines = ["chkleaf:\n", "0\n", "1\n", "0\n", "\n"]
 
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        leaf_sha1 = osutils.sha_strings(leaf_lines)
 
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        node_lines = ["chknode:\n", "0\n", "1\n", "1\n", "foo\n",
 
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                      "\x00sha1:%s\n" % (leaf_sha1,)]
 
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        node_sha1 = osutils.sha_strings(node_lines)
 
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        expected_set = set([('sha1:' + leaf_sha1,), ('sha1:' + node_sha1,)])
 
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        repo = self.make_repository('.')
 
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        repo.lock_write()
 
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        try:
 
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            repo.start_write_group()
 
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            try:
 
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                # Internal node pointing at a leaf.
 
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                repo.chk_bytes.add_lines((None,), None, node_lines, random_id=True)
 
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            except:
 
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                repo.abort_write_group()
 
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                raise
 
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            else:
 
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                repo.commit_write_group()
 
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            repo.start_write_group()
 
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            try:
 
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                # Leaf in a separate pack.
 
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                repo.chk_bytes.add_lines((None,), None, leaf_lines, random_id=True)
 
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            except:
 
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                repo.abort_write_group()
 
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                raise
 
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            else:
 
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                repo.commit_write_group()
 
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            repo.pack()
 
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            self.assertEqual(expected_set, repo.chk_bytes.keys())
 
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        finally:
 
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            repo.unlock()
 
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        # and reopening
 
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        repo = repo.bzrdir.open_repository()
 
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        repo.lock_read()
 
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        try:
 
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            self.assertEqual(expected_set, repo.chk_bytes.keys())
 
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        finally:
 
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            repo.unlock()