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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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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from ..commit import PointlessCommit
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TestCaseWithTransport,
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from .features import (
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from .matchers import RevisionHistoryMatches
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from bzrlib.tests import TestCaseWithTransport
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from bzrlib.branch import Branch
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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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class TestCommitMerge(TestCaseWithTransport):
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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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wtx = self.make_branch_and_tree('x')
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base_rev = wtx.commit('common parent')
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wty = wtx.controldir.sprout('y').open_workingtree()
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wty = self.make_branch_and_tree('y')
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wtx.commit('commit one', rev_id=b'x@u-0-1', allow_pointless=True)
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wty.commit('commit two', rev_id=b'y@u-0-1', allow_pointless=True)
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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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'no changes yet', rev_id=b'y@u-0-2',
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'no changes yet', rev_id='y@u-0-2',
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allow_pointless=False)
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wty.merge_from_branch(bx)
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wty.commit('merge from x', rev_id=b'y@u-0-2', allow_pointless=False)
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wty.add_pending_merge('x@u-0-1')
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wty.commit('merge from x', rev_id='y@u-0-2', allow_pointless=False)
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self.assertEqual(by.revno(), 3)
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graph = wty.branch.repository.get_graph()
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self.addCleanup(wty.lock_read().unlock)
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RevisionHistoryMatches(
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[base_rev, b'y@u-0-1', b'y@u-0-2'])
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rev = by.repository.get_revision(b'y@u-0-2')
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self.assertEqual(rev.parent_ids,
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[b'y@u-0-1', b'x@u-0-1'])
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self.assertEquals(by.revno(), 2)
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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.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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wtx = self.make_branch_and_tree('x')
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base_rev = wtx.commit('common parent')
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wtx.commit('establish root id')
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wty = wtx.controldir.sprout('y').open_workingtree()
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self.assertEqual(wtx.path2id(''), wty.path2id(''))
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wty = self.make_branch_and_tree('y')
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self.build_tree(['x/ecks', 'y/why'])
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wtx.add(['ecks'], [b'ecks-id'])
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wty.add(['why'], [b'why-id'])
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wtx.commit('commit one', rev_id=b'x@u-0-1', allow_pointless=True)
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wty.commit('commit two', rev_id=b'y@u-0-1', allow_pointless=True)
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wty.merge_from_branch(bx)
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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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# 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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wty.add(['ecks'], ['ecks-id'])
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wty.add_pending_merge('x@u-0-1')
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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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'partial commit', allow_pointless=False,
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specific_files=['ecks'])
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wty.commit('merge from x', rev_id=b'y@u-0-2', allow_pointless=False)
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tree = by.repository.revision_tree(b'y@u-0-2')
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self.assertEqual(tree.get_file_revision('ecks'), b'x@u-0-1')
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self.assertEqual(tree.get_file_revision('why'), b'y@u-0-1')
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check.check_dwim(bx.base, False, True, True)
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check.check_dwim(by.base, False, True, True)
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def test_merge_with_symlink(self):
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self.requireFeature(SymlinkFeature)
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tree_a = self.make_branch_and_tree('tree_a')
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os.symlink('target', osutils.pathjoin('tree_a', 'link'))
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tree_a.commit('added link')
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tree_b = tree_a.controldir.sprout('tree_b').open_workingtree()
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self.build_tree(['tree_a/file'])
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tree_a.commit('added file')
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self.build_tree(['tree_b/another_file'])
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tree_b.add('another_file')
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tree_b.commit('add another file')
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tree_b.merge_from_branch(tree_a.branch)
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tree_b.commit('merge')
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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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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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bx.repository.check([bx.last_revision()])
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by.repository.check([by.last_revision()])