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bzrlib/tests/blackbox/test_join.py
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# Copyright (C) 2006 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import os
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from bzrlib import bzrdir, repository, tests, workingtree
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class TestJoin(tests.TestCaseWithTransport):
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    def make_trees(self):
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        base_tree = self.make_branch_and_tree('tree',
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            format='dirstate-with-subtree')
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        base_tree.commit('empty commit')
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        self.build_tree(['tree/subtree/', 'tree/subtree/file1'])
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        sub_tree = self.make_branch_and_tree('tree/subtree')
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        sub_tree.set_root_id('subtree-root-id')
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        sub_tree.add('file1', 'file1-id')
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        sub_tree.commit('added file1')
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        return base_tree, sub_tree
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    def check_success(self, path):
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        base_tree = workingtree.WorkingTree.open(path)
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        self.assertEqual('file1-id', base_tree.path2id('subtree/file1'))
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    def test_join(self):
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        base_tree, sub_tree = self.make_trees()
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        self.run_bzr('join tree/subtree')
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        self.check_success('tree')
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    def test_join_dot(self):
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        base_tree, sub_tree = self.make_trees()
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        self.run_bzr('join .', working_dir='tree/subtree')
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        self.check_success('tree')
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    def test_join_error(self):
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        base_tree, sub_tree = self.make_trees()
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        os.mkdir('tree/subtree2')
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        os.rename('tree/subtree', 'tree/subtree2/subtree')
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        self.run_bzr_error(
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            ('Cannot join .*subtree.  Parent directory is not versioned',),
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             'join tree/subtree2/subtree')
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        # disabled because this gives an ugly error at present -- mbp 20070306
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        ## self.run_bzr_error(
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        ##     ('Cannot join .*subtree.  Parent directory is not versioned',),
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        ##      'join', '--reference', 'tree/subtree2/subtree')
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        self.run_bzr_error(('Not a branch:.*subtree2',),
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                           'join tree/subtree2')
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    def test_join_reference(self):
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        """Join can add a reference if --reference is supplied"""
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        base_tree, sub_tree = self.make_trees()
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        self.run_bzr('join . --reference', working_dir='tree/subtree')
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        sub_tree.lock_read()
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        self.addCleanup(sub_tree.unlock)
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        self.assertEqual('file1-id', sub_tree.path2id('file1'))
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        self.assertTrue('file1-id' in sub_tree)
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        self.assertEqual('subtree-root-id', sub_tree.path2id(''))
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        self.assertEqual('', sub_tree.id2path('subtree-root-id'))
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        self.assertIs(None, base_tree.path2id('subtree/file1'))
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        base_tree.lock_read()
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        self.addCleanup(base_tree.unlock)
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        self.assertTrue('file1-id' not in base_tree)
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        self.assertEqual('subtree-root-id', base_tree.path2id('subtree'))
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        self.assertEqual('subtree', base_tree.id2path('subtree-root-id'))
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    def test_references_check_repository_support(self):
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        """Users are stopped from adding a reference that can't be committed."""
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        # in 0.15 the default format has a dirstate workingtree, that can
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        # support tree references, but the default repository format 
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        # cannot.
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        tree = self.make_branch_and_tree('tree', format='dirstate')
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        tree2 = self.make_branch_and_tree('tree/subtree')
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        out, err = self.run_bzr('join --reference tree/subtree',
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                                retcode=3)
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        self.assertContainsRe(err, r"Can't join trees")
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        self.assertContainsRe(err, r"use bzr upgrade")
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