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# Copyright (C) 2006, 2008 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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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want_unversioned=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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include_root, want_unversioned)
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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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want_unversioned=True,
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InterTree._optimisers = old_optimisers
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('compare', tree2, tree, False, None, None, False, False, False),
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('compare', tree2, tree, 'unchanged', 'specific', 'extra',
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'require', True, False),
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('compare', tree2, tree, 'unchanged', 'specific', 'extra',
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'require', True, True),
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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(), include_root=True)
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self.assertEqual(len(delta.added), 1)
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self.assertEqual(delta.added[0][0], '')
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def test_changes_from_with_require_versioned(self):
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"""Ensure the require_versioned option does what's expected."""
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wt = self.make_branch_and_tree('.')
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self.build_tree(['known_file', 'unknown_file'])
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self.assertRaises(errors.PathsNotVersionedError,
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wt.changes_from, wt.basis_tree(), wt, specific_files=['known_file',
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'unknown_file'], require_versioned=True)
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# we need to pass a known file with an unknown file to get this to
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# fail when expected.
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delta = wt.changes_from(wt.basis_tree(),
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specific_files=['known_file', 'unknown_file'] ,
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require_versioned=False)
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self.assertEqual(len(delta.added), 1)
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class TestMultiWalker(TestCaseWithTransport):
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def assertStepOne(self, has_more, path, file_id, iterator):
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retval = _mod_tree.MultiWalker._step_one(iterator)
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self.assertIs(None, path)
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self.assertIs(None, file_id)
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self.assertEqual((False, None, None), retval)
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self.assertEqual((has_more, path, file_id),
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(retval[0], retval[1], retval[2].file_id))
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def test__step_one_empty(self):
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tree = self.make_branch_and_tree('empty')
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repo = tree.branch.repository
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empty_tree = repo.revision_tree(revision.NULL_REVISION)
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iterator = empty_tree.iter_entries_by_dir()
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self.assertStepOne(False, None, None, iterator)
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self.assertStepOne(False, None, None, iterator)
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def test__step_one(self):
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tree = self.make_branch_and_tree('tree')
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self.build_tree(['tree/a', 'tree/b/', 'tree/b/c'])
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tree.add(['a', 'b', 'b/c'], ['a-id', 'b-id', 'c-id'])
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iterator = tree.iter_entries_by_dir()
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self.addCleanup(tree.unlock)
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root_id = tree.path2id('')
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self.assertStepOne(True, '', root_id, iterator)
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self.assertStepOne(True, 'a', 'a-id', iterator)
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self.assertStepOne(True, 'b', 'b-id', iterator)
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self.assertStepOne(True, 'b/c', 'c-id', iterator)
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self.assertStepOne(False, None, None, iterator)
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self.assertStepOne(False, None, None, iterator)
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def assertWalkerNext(self, exp_path, exp_file_id, master_has_node,
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exp_other_paths, iterator):
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"""Check what happens when we step the iterator.
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:param path: The path for this entry
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:param file_id: The file_id for this entry
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:param master_has_node: Does the master tree have this entry?
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:param exp_other_paths: A list of other_path values.
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:param iterator: The iterator to step
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path, file_id, master_ie, other_values = iterator.next()
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self.assertEqual((exp_path, exp_file_id), (path, file_id),
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'Master entry did not match')
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self.assertIsNot(None, master_ie, 'master should have an entry')
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self.assertIs(None, master_ie, 'master should not have an entry')
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self.assertEqual(len(exp_other_paths), len(other_values),
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'Wrong number of other entries')
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for path, ie in other_values:
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other_paths.append(path)
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other_file_ids.append(None)
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other_file_ids.append(ie.file_id)
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for path in exp_other_paths:
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exp_file_ids.append(None)
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exp_file_ids.append(file_id)
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self.assertEqual(exp_other_paths, other_paths, "Other paths incorrect")
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self.assertEqual(exp_file_ids, other_file_ids,
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"Other file_ids incorrect")
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def lock_and_get_basis_and_root_id(self, tree):
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self.addCleanup(tree.unlock)
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basis_tree = tree.basis_tree()
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basis_tree.lock_read()
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self.addCleanup(basis_tree.unlock)
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root_id = tree.path2id('')
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return basis_tree, root_id
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def test_simple_stepping(self):
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tree = self.make_branch_and_tree('tree')
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self.build_tree(['tree/a', 'tree/b/', 'tree/b/c'])
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tree.add(['a', 'b', 'b/c'], ['a-id', 'b-id', 'c-id'])
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tree.commit('first', rev_id='first-rev-id')
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basis_tree, root_id = self.lock_and_get_basis_and_root_id(tree)
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walker = _mod_tree.MultiWalker(tree, [basis_tree])
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iterator = walker.iter_all()
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self.assertWalkerNext(u'', root_id, True, [u''], iterator)
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self.assertWalkerNext(u'a', 'a-id', True, [u'a'], iterator)
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self.assertWalkerNext(u'b', 'b-id', True, [u'b'], iterator)
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self.assertWalkerNext(u'b/c', 'c-id', True, [u'b/c'], iterator)
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self.assertRaises(StopIteration, iterator.next)
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def test_master_has_extra(self):
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tree = self.make_branch_and_tree('tree')
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self.build_tree(['tree/a', 'tree/b/', 'tree/c', 'tree/d'])
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tree.add(['a', 'b', 'd'], ['a-id', 'b-id', 'd-id'])
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tree.commit('first', rev_id='first-rev-id')
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tree.add(['c'], ['c-id'])
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basis_tree, root_id = self.lock_and_get_basis_and_root_id(tree)
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walker = _mod_tree.MultiWalker(tree, [basis_tree])
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iterator = walker.iter_all()
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self.assertWalkerNext(u'', root_id, True, [u''], iterator)
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self.assertWalkerNext(u'a', 'a-id', True, [u'a'], iterator)
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self.assertWalkerNext(u'b', 'b-id', True, [u'b'], iterator)
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self.assertWalkerNext(u'c', 'c-id', True, [None], iterator)
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self.assertWalkerNext(u'd', 'd-id', True, [u'd'], iterator)
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self.assertRaises(StopIteration, iterator.next)
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def test_master_renamed_to_earlier(self):
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"""The record is still present, it just shows up early."""
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tree = self.make_branch_and_tree('tree')
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self.build_tree(['tree/a', 'tree/c', 'tree/d'])
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tree.add(['a', 'c', 'd'], ['a-id', 'c-id', 'd-id'])
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tree.commit('first', rev_id='first-rev-id')
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tree.rename_one('d', 'b')
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basis_tree, root_id = self.lock_and_get_basis_and_root_id(tree)
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walker = _mod_tree.MultiWalker(tree, [basis_tree])
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iterator = walker.iter_all()
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self.assertWalkerNext(u'', root_id, True, [u''], iterator)
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self.assertWalkerNext(u'a', 'a-id', True, [u'a'], iterator)
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self.assertWalkerNext(u'b', 'd-id', True, [u'd'], iterator)
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self.assertWalkerNext(u'c', 'c-id', True, [u'c'], iterator)
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self.assertRaises(StopIteration, iterator.next)
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def test_master_renamed_to_later(self):
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tree = self.make_branch_and_tree('tree')
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self.build_tree(['tree/a', 'tree/b', 'tree/d'])
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tree.add(['a', 'b', 'd'], ['a-id', 'b-id', 'd-id'])
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tree.commit('first', rev_id='first-rev-id')
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tree.rename_one('b', 'e')
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basis_tree, root_id = self.lock_and_get_basis_and_root_id(tree)
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walker = _mod_tree.MultiWalker(tree, [basis_tree])
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iterator = walker.iter_all()
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self.assertWalkerNext(u'', root_id, True, [u''], iterator)
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self.assertWalkerNext(u'a', 'a-id', True, [u'a'], iterator)
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self.assertWalkerNext(u'd', 'd-id', True, [u'd'], iterator)
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self.assertWalkerNext(u'e', 'b-id', True, [u'b'], iterator)
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self.assertRaises(StopIteration, iterator.next)
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def test_other_extra_in_middle(self):
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tree = self.make_branch_and_tree('tree')
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self.build_tree(['tree/a', 'tree/b', 'tree/d'])
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tree.add(['a', 'b', 'd'], ['a-id', 'b-id', 'd-id'])
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tree.commit('first', rev_id='first-rev-id')
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basis_tree, root_id = self.lock_and_get_basis_and_root_id(tree)
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walker = _mod_tree.MultiWalker(tree, [basis_tree])
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iterator = walker.iter_all()
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self.assertWalkerNext(u'', root_id, True, [u''], iterator)
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self.assertWalkerNext(u'a', 'a-id', True, [u'a'], iterator)
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self.assertWalkerNext(u'd', 'd-id', True, [u'd'], iterator)
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self.assertWalkerNext(u'b', 'b-id', False, [u'b'], iterator)
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self.assertRaises(StopIteration, iterator.next)
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def test_other_extra_at_end(self):
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tree = self.make_branch_and_tree('tree')
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self.build_tree(['tree/a', 'tree/b', 'tree/d'])
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tree.add(['a', 'b', 'd'], ['a-id', 'b-id', 'd-id'])
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tree.commit('first', rev_id='first-rev-id')
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basis_tree, root_id = self.lock_and_get_basis_and_root_id(tree)
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walker = _mod_tree.MultiWalker(tree, [basis_tree])
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iterator = walker.iter_all()
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self.assertWalkerNext(u'', root_id, True, [u''], iterator)
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self.assertWalkerNext(u'a', 'a-id', True, [u'a'], iterator)
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self.assertWalkerNext(u'b', 'b-id', True, [u'b'], iterator)
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self.assertWalkerNext(u'd', 'd-id', False, [u'd'], iterator)
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self.assertRaises(StopIteration, iterator.next)
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def test_others_extra_at_end(self):
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tree = self.make_branch_and_tree('tree')
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self.build_tree(['tree/a', 'tree/b', 'tree/c', 'tree/d', 'tree/e'])
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tree.add(['a', 'b', 'c', 'd', 'e'],
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['a-id', 'b-id', 'c-id', 'd-id', 'e-id'])
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tree.commit('first', rev_id='first-rev-id')
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tree.commit('second', rev_id='second-rev-id')
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tree.commit('third', rev_id='third-rev-id')
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basis_tree, root_id = self.lock_and_get_basis_and_root_id(tree)
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first_tree = tree.branch.repository.revision_tree('first-rev-id')
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second_tree = tree.branch.repository.revision_tree('second-rev-id')
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walker = _mod_tree.MultiWalker(tree, [basis_tree, first_tree,
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iterator = walker.iter_all()
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self.assertWalkerNext(u'', root_id, True, [u'', u'', u''], iterator)
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self.assertWalkerNext(u'a', 'a-id', True, [u'a', u'a', u'a'], iterator)
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self.assertWalkerNext(u'b', 'b-id', True, [u'b', u'b', u'b'], iterator)
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self.assertWalkerNext(u'c', 'c-id', False, [u'c', u'c', u'c'], iterator)
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self.assertWalkerNext(u'd', 'd-id', False, [None, u'd', u'd'], iterator)
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self.assertWalkerNext(u'e', 'e-id', False, [None, u'e', None], iterator)
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self.assertRaises(StopIteration, iterator.next)
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def test_different_file_id_in_others(self):
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tree = self.make_branch_and_tree('tree')
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self.build_tree(['tree/a', 'tree/b', 'tree/c/'])
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tree.add(['a', 'b', 'c'], ['a-id', 'b-id', 'c-id'])
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tree.commit('first', rev_id='first-rev-id')
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tree.rename_one('b', 'c/d')
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self.build_tree(['tree/b'])
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tree.add(['b'], ['b2-id'])
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tree.commit('second', rev_id='second-rev-id')
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tree.rename_one('a', 'c/e')
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self.build_tree(['tree/a'])
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tree.add(['a'], ['a2-id'])
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basis_tree, root_id = self.lock_and_get_basis_and_root_id(tree)
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first_tree = tree.branch.repository.revision_tree('first-rev-id')
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walker = _mod_tree.MultiWalker(tree, [basis_tree, first_tree])
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iterator = walker.iter_all()
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self.assertWalkerNext(u'', root_id, True, [u'', u''], iterator)
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self.assertWalkerNext(u'a', 'a2-id', True, [None, None], iterator)
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self.assertWalkerNext(u'b', 'b2-id', True, [u'b', None], iterator)
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self.assertWalkerNext(u'c', 'c-id', True, [u'c', u'c'], iterator)
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self.assertWalkerNext(u'c/d', 'b-id', True, [u'c/d', u'b'], iterator)
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self.assertWalkerNext(u'c/e', 'a-id', True, [u'a', u'a'], iterator)
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self.assertRaises(StopIteration, iterator.next)
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def assertCmpByDirblock(self, cmp_val, path1, path2):
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self.assertEqual(cmp_val,
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_mod_tree.MultiWalker._cmp_path_by_dirblock(path1, path2))
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def test__cmp_path_by_dirblock(self):
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# We only support Unicode strings at this point
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self.assertRaises(TypeError,
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_mod_tree.MultiWalker._cmp_path_by_dirblock, '', 'b')
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self.assertCmpByDirblock(0, u'', u'')
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self.assertCmpByDirblock(0, u'a', u'a')
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self.assertCmpByDirblock(0, u'a/b', u'a/b')
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self.assertCmpByDirblock(0, u'a/b/c', u'a/b/c')
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self.assertCmpByDirblock(1, u'a-a', u'a')
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self.assertCmpByDirblock(-1, u'a-a', u'a/a')
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self.assertCmpByDirblock(-1, u'a=a', u'a/a')
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self.assertCmpByDirblock(1, u'a-a/a', u'a/a')
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self.assertCmpByDirblock(1, u'a=a/a', u'a/a')
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self.assertCmpByDirblock(1, u'a-a/a', u'a/a/a')
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self.assertCmpByDirblock(1, u'a=a/a', u'a/a/a')
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self.assertCmpByDirblock(1, u'a-a/a/a', u'a/a/a')
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self.assertCmpByDirblock(1, u'a=a/a/a', u'a/a/a')
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def assertPathToKey(self, expected, path):
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self.assertEqual(expected, _mod_tree.MultiWalker._path_to_key(path))
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def test__path_to_key(self):
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self.assertPathToKey(([u''], u''), u'')
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self.assertPathToKey(([u''], u'a'), u'a')
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self.assertPathToKey(([u'a'], u'b'), u'a/b')
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self.assertPathToKey(([u'a', u'b'], u'c'), u'a/b/c')
added
removed
bzrlib/tests/test_tree.py
