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# Copyright (C) 2006 Canonical Ltd
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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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# 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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# 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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"""Tests for Tree and InterTree."""
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from bzrlib.tests import TestCaseWithTransport
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from bzrlib.tree import InterTree
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class TestInterTree(TestCaseWithTransport):
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def test_revision_tree_revision_tree(self):
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# we should have an InterTree registered for RevisionTree to
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tree = self.make_branch_and_tree('.')
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rev_id = tree.commit('first post')
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rev_id2 = tree.commit('second post', allow_pointless=True)
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rev_tree = tree.branch.repository.revision_tree(rev_id)
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rev_tree2 = tree.branch.repository.revision_tree(rev_id2)
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optimiser = InterTree.get(rev_tree, rev_tree2)
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self.assertIsInstance(optimiser, InterTree)
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optimiser = InterTree.get(rev_tree2, rev_tree)
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self.assertIsInstance(optimiser, InterTree)
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def test_working_tree_revision_tree(self):
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# we should have an InterTree available for WorkingTree to
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tree = self.make_branch_and_tree('.')
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rev_id = tree.commit('first post')
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rev_tree = tree.branch.repository.revision_tree(rev_id)
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optimiser = InterTree.get(rev_tree, tree)
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self.assertIsInstance(optimiser, InterTree)
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optimiser = InterTree.get(tree, rev_tree)
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self.assertIsInstance(optimiser, InterTree)
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def test_working_tree_working_tree(self):
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# we should have an InterTree available for WorkingTree to
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tree = self.make_branch_and_tree('1')
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tree2 = self.make_branch_and_tree('2')
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optimiser = InterTree.get(tree, tree2)
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self.assertIsInstance(optimiser, InterTree)
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optimiser = InterTree.get(tree2, tree)
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self.assertIsInstance(optimiser, InterTree)
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class RecordingOptimiser(InterTree):
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def compare(self, want_unchanged=False, specific_files=None,
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extra_trees=None, require_versioned=False, include_root=False):
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('compare', self.source, self.target, want_unchanged,
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specific_files, extra_trees, require_versioned,
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def is_compatible(klass, source, target):
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class TestTree(TestCaseWithTransport):
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def test_compare_calls_InterTree_compare(self):
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"""This test tests the way Tree.compare() uses InterTree."""
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old_optimisers = InterTree._optimisers
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InterTree._optimisers = []
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RecordingOptimiser.calls = []
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InterTree.register_optimiser(RecordingOptimiser)
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tree = self.make_branch_and_tree('1')
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tree2 = self.make_branch_and_tree('2')
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# do a series of calls:
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tree.changes_from(tree2)
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# pass in all optional arguments by position
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tree.changes_from(tree2, 'unchanged', 'specific', 'extra',
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# pass in all optional arguments by keyword
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tree.changes_from(tree2,
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specific_files='specific',
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want_unchanged='unchanged',
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require_versioned='require',
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InterTree._optimisers = old_optimisers
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('compare', tree2, tree, False, None, None, False, False),
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('compare', tree2, tree, 'unchanged', 'specific', 'extra',
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('compare', tree2, tree, 'unchanged', 'specific', 'extra',
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], RecordingOptimiser.calls)
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def test_changes_from_with_root(self):
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"""Ensure the include_root option does what's expected."""
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wt = self.make_branch_and_tree('.')
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delta = wt.changes_from(wt.basis_tree())
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self.assertEqual(len(delta.added), 0)
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delta = wt.changes_from(wt.basis_tree(), wt, include_root=True)
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self.assertEqual(len(delta.added), 1)
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self.assertEqual(delta.added[0][0], '')