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Viewing changes to breezy/tests/test_subsume.py

  • Committer: Robert Collins
  • Date: 2005-10-19 10:11:57 UTC
  • mfrom: (1185.16.78)
  • mto: This revision was merged to the branch mainline in revision 1470.
  • Revision ID: robertc@robertcollins.net-20051019101157-17438d311e746b4f
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breezy/tests/test_subsume.py
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# Copyright (C) 2006-2009, 2011 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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from breezy import errors, workingtree, tests
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class TestWorkingTree(tests.TestCaseWithTransport):
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    def make_branch_and_tree(self, relpath, format=None):
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        if format is None:
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            format = 'development-subtree'
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        return tests.TestCaseWithTransport.make_branch_and_tree(self, relpath,
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                                                                format)
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    def make_trees(self, format=None, same_root=False):
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        self.build_tree(['tree/',
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                         'tree/file',
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                         'tree/subtree/',
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                         'tree/subtree/file2'])
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        base_tree = self.make_branch_and_tree('tree', format=format)
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        base_tree.add('file', b'file-id')
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        base_tree.commit('first commit', rev_id=b'tree-1')
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        sub_tree = self.make_branch_and_tree('tree/subtree',
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                                             format='development-subtree')
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        if same_root is True:
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            sub_tree.set_root_id(base_tree.path2id(''))
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        sub_tree.add('file2', b'file2-id')
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        sub_tree.commit('first commit', rev_id=b'subtree-1')
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        return base_tree, sub_tree
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    def test_old_knit1_failure(self):
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        """Ensure that BadSubsumeSource is raised.
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        SubsumeTargetNeedsUpgrade must not be raised, because upgrading the
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        target won't help.
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        """
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        base_tree, sub_tree = self.make_trees(format='knit',
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                                              same_root=True)
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        self.assertRaises(errors.BadSubsumeSource, base_tree.subsume,
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                          sub_tree)
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    def test_knit1_failure(self):
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        base_tree, sub_tree = self.make_trees(format='knit')
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        self.assertRaises(errors.SubsumeTargetNeedsUpgrade, base_tree.subsume,
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                          sub_tree)
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    def test_subsume_tree(self):
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        base_tree, sub_tree = self.make_trees()
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        self.assertNotEqual(base_tree.path2id(''), sub_tree.path2id(''))
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        sub_root_id = sub_tree.path2id('')
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        # this test checks the subdir is removed, so it needs to know the
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        # control directory; that changes rarely so just hardcode (and check)
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        # it is correct.
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        self.assertPathExists('tree/subtree/.bzr')
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        base_tree.subsume(sub_tree)
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        self.assertEqual([b'tree-1', b'subtree-1'], base_tree.get_parent_ids())
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        self.assertEqual(sub_root_id, base_tree.path2id('subtree'))
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        self.assertEqual(b'file2-id', base_tree.path2id('subtree/file2'))
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        # subsuming the tree removes the control directory, so you can't open
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        # it.
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        self.assertPathDoesNotExist('tree/subtree/.bzr')
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        with open('tree/subtree/file2', 'rb') as file2:
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            file2_contents = file2.read()
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        base_tree = workingtree.WorkingTree.open('tree')
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        base_tree.commit('combined', rev_id=b'combined-1')
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        self.assertEqual(b'file2-id', base_tree.path2id('subtree/file2'))
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        if base_tree.supports_setting_file_ids():
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            self.assertEqual('subtree/file2', base_tree.id2path(b'file2-id'))
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        self.assertEqualDiff(file2_contents,
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                             base_tree.get_file_text('subtree/file2'))
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        basis_tree = base_tree.basis_tree()
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        basis_tree.lock_read()
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        self.addCleanup(basis_tree.unlock)
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        self.assertEqualDiff(file2_contents,
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                             base_tree.get_file_text('subtree/file2'))
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        self.assertEqualDiff(file2_contents,
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                             basis_tree.get_file_text('subtree/file2'))
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        self.assertEqual(b'subtree-1',
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                         basis_tree.get_file_revision('subtree/file2'))
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        self.assertEqual(b'combined-1',
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                         basis_tree.get_file_revision('subtree'))
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    def test_subsume_failure(self):
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        base_tree, sub_tree = self.make_trees()
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        if base_tree.path2id('') == sub_tree.path2id(''):
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            raise tests.TestSkipped('This test requires unique roots')
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        self.assertRaises(errors.BadSubsumeSource, base_tree.subsume,
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                          base_tree)
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        self.assertRaises(errors.BadSubsumeSource, sub_tree.subsume,
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                          base_tree)
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        self.build_tree(['subtree2/'])
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        sub_tree2 = self.make_branch_and_tree('subtree2')
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        self.assertRaises(errors.BadSubsumeSource, sub_tree.subsume,
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                          sub_tree2)
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        self.build_tree(['tree/subtree/subtree3/'])
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        sub_tree3 = self.make_branch_and_tree('tree/subtree/subtree3')
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        self.assertRaises(errors.BadSubsumeSource, base_tree.subsume,
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                          sub_tree3)