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Viewing changes to bzrlib/tests/test_commit_merge.py

Fix BzrDir.create_workingtree for NULL_REVISION

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bzrlib/tests/test_commit_merge.py
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# Copyright (C) 2005 by Canonical Ltd
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# Copyright (C) 2005, 2006 by 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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import shutil
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from bzrlib.tests import TestCaseInTempDir
 
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from bzrlib.tests import TestCaseWithTransport
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from bzrlib.branch import Branch
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from bzrlib.commit import commit
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from bzrlib.errors import PointlessCommit, BzrError, PointlessCommit
 
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from bzrlib.errors import PointlessCommit, BzrError
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from bzrlib.tests.test_revision import make_branches
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from bzrlib.fetch import fetch
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from bzrlib.check import check
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class TestCommitMerge(TestCaseInTempDir):
 
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class TestCommitMerge(TestCaseWithTransport):
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    """Tests for committing the results of a merge.
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    These don't currently test the merge code, which is intentional to
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    def test_merge_commit_empty(self):
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        """Simple commit of two-way merge of empty trees."""
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        os.mkdir('x')
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        os.mkdir('y')
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        bx = Branch.initialize('x')
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        by = Branch.initialize('y')
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        commit(bx, 'commit one', rev_id='x@u-0-1', allow_pointless=True)
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        commit(by, 'commit two', rev_id='y@u-0-1', allow_pointless=True)
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        fetcher = fetch(from_branch=bx, to_branch=by)
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        self.assertEqual(1, fetcher.count_copied)
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        self.assertEqual([], fetcher.failed_revisions)
 
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        wtx = self.make_branch_and_tree('x')
 
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        base_rev = wtx.commit('common parent')
 
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        bx = wtx.branch
 
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        wty = wtx.bzrdir.sprout('y').open_workingtree()
 
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        by = wty.branch
 
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        wtx.commit('commit one', rev_id='x@u-0-1', allow_pointless=True)
 
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        wty.commit('commit two', rev_id='y@u-0-1', allow_pointless=True)
 
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        self.assertEqual((1, []), by.fetch(bx))
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        # just having the history there does nothing
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        self.assertRaises(PointlessCommit,
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                          commit,
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                          by, 'no changes yet', rev_id='y@u-0-2',
 
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                          wty.commit,
 
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                          'no changes yet', rev_id='y@u-0-2',
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                          allow_pointless=False)
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        by.working_tree().add_pending_merge('x@u-0-1')
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        commit(by, 'merge from x', rev_id='y@u-0-2', allow_pointless=False)
 
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        self.merge(bx, wty)
 
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        wty.commit('merge from x', rev_id='y@u-0-2', allow_pointless=False)
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        self.assertEquals(by.revno(), 2)
 
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        self.assertEquals(by.revno(), 3)
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        self.assertEquals(list(by.revision_history()),
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                          ['y@u-0-1', 'y@u-0-2'])
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        rev = by.get_revision('y@u-0-2')
 
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                          [base_rev, 'y@u-0-1', 'y@u-0-2'])
 
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        rev = by.repository.get_revision('y@u-0-2')
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        self.assertEquals(rev.parent_ids,
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                          ['y@u-0-1', 'x@u-0-1'])
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    def test_merge_new_file(self):
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        """Commit merge of two trees with no overlapping files."""
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        self.build_tree(['x/', 'x/ecks', 'y/', 'y/why'])
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        bx = Branch.initialize('x')
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        by = Branch.initialize('y')
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        bx.working_tree().add(['ecks'], ['ecks-id'])
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        by.working_tree().add(['why'], ['why-id'])
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        commit(bx, 'commit one', rev_id='x@u-0-1', allow_pointless=True)
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        commit(by, 'commit two', rev_id='y@u-0-1', allow_pointless=True)
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        fetch(from_branch=bx, to_branch=by)
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        # we haven't merged the texts, but let's fake it
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        shutil.copyfile('x/ecks', 'y/ecks')
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        by.working_tree().add(['ecks'], ['ecks-id'])
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        by.working_tree().add_pending_merge('x@u-0-1')
 
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        wtx = self.make_branch_and_tree('x')
 
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        base_rev = wtx.commit('common parent')
 
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        bx = wtx.branch
 
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        wty = wtx.bzrdir.sprout('y').open_workingtree()
 
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        by = wty.branch
 
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        self.build_tree(['x/ecks', 'y/why'])
 
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        wtx.add(['ecks'], ['ecks-id'])
 
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        wty.add(['why'], ['why-id'])
 
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        wtx.commit('commit one', rev_id='x@u-0-1', allow_pointless=True)
 
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        wty.commit('commit two', rev_id='y@u-0-1', allow_pointless=True)
 
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        self.merge(bx, wty)
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        # partial commit of merges is currently not allowed, because
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        # it would give different merge graphs for each file which
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        # might be complex.  it can be allowed in the future.
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        self.assertRaises(Exception,
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                          commit,
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                          by, 'partial commit', allow_pointless=False,
 
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                          wty.commit,
 
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                          'partial commit', allow_pointless=False,
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                          specific_files=['ecks'])
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        commit(by, 'merge from x', rev_id='y@u-0-2', allow_pointless=False)
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        tree = by.revision_tree('y@u-0-2')
 
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        wty.commit('merge from x', rev_id='y@u-0-2', allow_pointless=False)
 
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        tree = by.repository.revision_tree('y@u-0-2')
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        inv = tree.inventory
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        self.assertEquals(inv['ecks-id'].revision, 'x@u-0-1')
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        self.assertEquals(inv['why-id'].revision, 'y@u-0-1')
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        check(bx, False)
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        check(by, False)
 
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        bx.check()
 
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        by.check()
 
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        bx.repository.check([bx.last_revision()])
 
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        by.repository.check([by.last_revision()])