~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006-2009, 2011 Canonical Ltd

#

# 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; either version 2 of the License, or

# (at your option) any later version.

#

# 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

from bzrlib import errors, workingtree, tests

class TestWorkingTree(tests.TestCaseWithTransport):

    def make_branch_and_tree(self, relpath, format=None):

        if format is None:

            format = 'dirstate-with-subtree'

        return tests.TestCaseWithTransport.make_branch_and_tree(self, relpath,

                                                                format)

    def make_trees(self, format=None, same_root=False):

        self.build_tree(['tree/',

                         'tree/file',

                         'tree/subtree/',

                         'tree/subtree/file2'])

        base_tree = self.make_branch_and_tree('tree', format=format)

        base_tree.add('file', 'file-id')

        base_tree.commit('first commit', rev_id='tree-1')

        sub_tree = self.make_branch_and_tree('tree/subtree',

            format='dirstate-with-subtree')

        if same_root is True:

            sub_tree.set_root_id(base_tree.get_root_id())

        sub_tree.add('file2', 'file2-id')

        sub_tree.commit('first commit', rev_id='subtree-1')

        return base_tree, sub_tree

    def test_old_knit1_failure(self):

        """Ensure that BadSubsumeSource is raised.

        SubsumeTargetNeedsUpgrade must not be raised, because upgrading the

        target won't help.

        """

        base_tree, sub_tree = self.make_trees(format='knit',

                                              same_root=True)

        self.assertRaises(errors.BadSubsumeSource, base_tree.subsume,

                          sub_tree)

    def test_knit1_failure(self):

        base_tree, sub_tree = self.make_trees(format='knit')

        self.assertRaises(errors.SubsumeTargetNeedsUpgrade, base_tree.subsume,

                          sub_tree)

    def test_subsume_tree(self):

        base_tree, sub_tree = self.make_trees()

        self.assertNotEqual(base_tree.get_root_id(), sub_tree.get_root_id())

        sub_root_id = sub_tree.get_root_id()

        # this test checks the subdir is removed, so it needs to know the

        # control directory; that changes rarely so just hardcode (and check)

        # it is correct.

        self.assertPathExists('tree/subtree/.bzr')

        base_tree.subsume(sub_tree)

        self.assertEqual(['tree-1', 'subtree-1'], base_tree.get_parent_ids())

        self.assertEqual(sub_root_id, base_tree.path2id('subtree'))

        self.assertEqual('file2-id', base_tree.path2id('subtree/file2'))

        # subsuming the tree removes the control directory, so you can't open

        # it.

        self.assertPathDoesNotExist('tree/subtree/.bzr')

        file2 = open('tree/subtree/file2', 'rb')

        try:

            file2_contents = file2.read()

        finally:

            file2.close()

        base_tree = workingtree.WorkingTree.open('tree')

        base_tree.commit('combined', rev_id='combined-1')

        self.assertEqual('file2-id', base_tree.path2id('subtree/file2'))

        self.assertEqual('subtree/file2', base_tree.id2path('file2-id'))

        self.assertEqualDiff(file2_contents,

                             base_tree.get_file_text('file2-id'))

        basis_tree = base_tree.basis_tree()

        basis_tree.lock_read()

        self.addCleanup(basis_tree.unlock)

        self.assertEqualDiff(file2_contents,

                             base_tree.get_file_text('file2-id'))

        self.assertEqualDiff(file2_contents,

                             basis_tree.get_file_text('file2-id'))

        self.assertEqual('subtree-1',

                         basis_tree.get_file_revision('file2-id'))

        self.assertEqual('combined-1',

                         basis_tree.get_file_revision(sub_root_id))

    def test_subsume_failure(self):

        base_tree, sub_tree = self.make_trees()

        if base_tree.get_root_id() == sub_tree.get_root_id():

            raise tests.TestSkipped('This test requires unique roots')

        sub_root_id = sub_tree.get_root_id()

        self.assertRaises(errors.BadSubsumeSource, base_tree.subsume,

                          base_tree)

        self.assertRaises(errors.BadSubsumeSource, sub_tree.subsume,

                          base_tree)

        self.build_tree(['subtree2/'])

        sub_tree2 = self.make_branch_and_tree('subtree2')

        self.assertRaises(errors.BadSubsumeSource, sub_tree.subsume,

                          sub_tree2)

        self.build_tree(['tree/subtree/subtree3/'])

        sub_tree3 = self.make_branch_and_tree('tree/subtree/subtree3')

        self.assertRaises(errors.BadSubsumeSource, base_tree.subsume,

                          sub_tree3)