# Copyright (C) 2006 by Canonical Development Ltd # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA """test the functions in bzrlib/delta.py""" from bzrlib import delta, revision, transform from bzrlib.tests import TestCaseWithTransport class TestCompareTrees(TestCaseWithTransport): def setUp(self): TestCaseWithTransport.setUp(self) self.tree = self.make_branch_and_tree('tree') files = ['a', 'b/', 'b/c'] self.build_tree(['tree/' + f for f in files]) self.tree.add(files, ['a-id', 'b-id', 'c-id']) self.tree.commit('initial tree') def test_revision_tree_against_empty(self): empty_tree = self.tree.branch.repository.revision_tree( revision.NULL_REVISION) d = delta.compare_trees(empty_tree, self.tree.basis_tree()) self.assertEqual([('a', 'a-id', 'file'), ('b', 'b-id', 'directory'), ('b/c', 'c-id', 'file'), ], d.added) self.assertEqual([], d.removed) self.assertEqual([], d.renamed) self.assertEqual([], d.modified) d = delta.compare_trees(self.tree.basis_tree(), empty_tree) self.assertEqual([], d.added) self.assertEqual([('a', 'a-id', 'file'), ('b', 'b-id', 'directory'), ('b/c', 'c-id', 'file'), ], d.removed) self.assertEqual([], d.renamed) self.assertEqual([], d.modified) def test_tree_modified(self): open('tree/a', 'wb').write('foobar\n') d = delta.compare_trees(self.tree.basis_tree(), self.tree) self.assertEqual([], d.added) self.assertEqual([], d.removed) self.assertEqual([], d.renamed) self.assertEqual([('a', 'a-id', 'file', True, False)], d.modified) def test_tree_meta_modified(self): tt = transform.TreeTransform(self.tree) trans_id = tt.trans_id_tree_path('b/c') tt.set_executability(True, trans_id) tt.apply() d = delta.compare_trees(self.tree.basis_tree(), self.tree) self.assertEqual([], d.added) self.assertEqual([], d.removed) self.assertEqual([], d.renamed) self.assertEqual([('b/c', 'c-id', 'file', False, True)], d.modified) def test_tree_renamed(self): self.tree.rename_one('a', 'd') d = delta.compare_trees(self.tree.basis_tree(), self.tree) self.assertEqual([], d.added) self.assertEqual([], d.removed) self.assertEqual([('a', 'd', 'a-id', 'file', False, False)], d.renamed) self.assertEqual([], d.modified) def test_tree_renamed_modified(self): self.tree.rename_one('a', 'd') open('tree/d', 'wb').write('bar\n') d = delta.compare_trees(self.tree.basis_tree(), self.tree) self.assertEqual([], d.added) self.assertEqual([], d.removed) self.assertEqual([('a', 'd', 'a-id', 'file', True, False)], d.renamed) self.assertEqual([], d.modified) def test_tree_renamed_meta_modified(self): tt = transform.TreeTransform(self.tree) trans_id = tt.trans_id_tree_path('b/c') parent_trans_id = tt.trans_id_tree_path('') tt.adjust_path('e', parent_trans_id, trans_id) tt.set_executability(True, trans_id) tt.apply() d = delta.compare_trees(self.tree.basis_tree(), self.tree) self.assertEqual([], d.added) self.assertEqual([], d.removed) self.assertEqual([('b/c', 'e', 'c-id', 'file', False, True)], d.renamed) self.assertEqual([], d.modified) def test_subset_file(self): empty_tree = self.tree.branch.repository.revision_tree( revision.NULL_REVISION) d = delta.compare_trees(empty_tree, self.tree.basis_tree(), specific_files=['a']) self.assertEqual([('a', 'a-id', 'file')], d.added) self.assertEqual([], d.removed) self.assertEqual([], d.renamed) self.assertEqual([], d.modified) def test_subset_multiple(self): empty_tree = self.tree.branch.repository.revision_tree( revision.NULL_REVISION) d = delta.compare_trees(empty_tree, self.tree, specific_files=['a', 'b/c']) self.assertEqual([('a', 'a-id', 'file'), ('b/c', 'c-id', 'file'), ], d.added) self.assertEqual([], d.removed) self.assertEqual([], d.renamed) self.assertEqual([], d.modified) def test_subset_dir(self): """Restricting to a directory checks the dir, and all children.""" empty_tree = self.tree.branch.repository.revision_tree( revision.NULL_REVISION) d = delta.compare_trees(empty_tree, self.tree, specific_files=['b']) self.assertEqual([('b', 'b-id', 'directory'), ('b/c', 'c-id', 'file'), ], d.added) self.assertEqual([], d.removed) self.assertEqual([], d.renamed) self.assertEqual([], d.modified) def test_unknown(self): self.build_tree(['tree/unknown']) # Unknowns are not reported by compare_trees d = delta.compare_trees(self.tree.basis_tree(), self.tree) self.assertEqual([], d.added) self.assertEqual([], d.removed) self.assertEqual([], d.renamed) self.assertEqual([], d.modified) def test_unknown_specific_file(self): self.build_tree(['tree/unknown']) empty_tree = self.tree.branch.repository.revision_tree( revision.NULL_REVISION) # If a specific_files list is present, even if none of the # files are versioned, only paths that are present in the list # should be compared d = delta.compare_trees(empty_tree, self.tree, specific_files=['unknown']) self.assertEqual([], d.added) self.assertEqual([], d.removed) self.assertEqual([], d.renamed) self.assertEqual([], d.modified)