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Viewing changes to bzrlib/tests/test_revert.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2011-05-04 12:10:51 UTC
  • mfrom: (5819.1.4 777007-developer-doc)
  • Revision ID: pqm@pqm.ubuntu.com-20110504121051-aovlsmqiivjmc4fc
(jelmer) Small fixes to developer documentation. (Jonathan Riddell)

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bzrlib/tests/test_revert.py
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# Copyright (C) 2006 Canonical Ltd
 
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# Copyright (C) 2006, 2007, 2009, 2010 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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#
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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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from bzrlib import merge, tests
 
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
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import os
 
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from bzrlib import merge, tests, transform, workingtree
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class TestRevert(tests.TestCaseWithTransport):
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        self.build_tree(['source/dir/', 'source/dir/contents'])
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        source_tree.add(['dir', 'dir/contents'], ['dir-id', 'contents-id'])
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        source_tree.commit('added dir')
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        merge.merge_inner(target_tree.branch, source_tree.basis_tree(), 
 
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        target_tree.lock_write()
 
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        self.addCleanup(target_tree.unlock)
 
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        merge.merge_inner(target_tree.branch, source_tree.basis_tree(),
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                          target_tree.basis_tree(), this_tree=target_tree)
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        self.failUnlessExists('target/dir')
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        self.failUnlessExists('target/dir/contents')
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        target_tree.revert([])
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        self.failIfExists('target/dir/contents')
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        self.failIfExists('target/dir')
 
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        self.assertPathExists('target/dir')
 
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        self.assertPathExists('target/dir/contents')
 
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        target_tree.revert()
 
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        self.assertPathDoesNotExist('target/dir/contents')
 
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        self.assertPathDoesNotExist('target/dir')
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    def test_revert_new(self):
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        """Only locally-changed new files should be preserved when reverting
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        # newly-added files should not be deleted
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        tree.add('new_file')
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        basis_tree = tree.basis_tree()
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        tree.revert([])
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        self.failUnlessExists('tree/new_file')
 
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        basis_tree = tree.branch.repository.revision_tree(tree.last_revision())
 
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        tree.revert()
 
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        self.assertPathExists('tree/new_file')
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        # unchanged files should be deleted
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        tree.add('new_file')
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        tree.commit('add new_file')
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        tree.revert([], old_tree=basis_tree)
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        self.failIfExists('tree/new_file')
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        tree.revert(old_tree=basis_tree)
 
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        self.assertPathDoesNotExist('tree/new_file')
 
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        # files should be deleted if their changes came from merges
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        merge_target.merge_from_branch(tree.branch)
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        self.failUnlessExists('merge_target/new_file')
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        merge_target.revert([])
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        self.failIfExists('merge_target/new_file')
 
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        self.assertPathExists('merge_target/new_file')
 
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        merge_target.revert()
 
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        self.assertPathDoesNotExist('merge_target/new_file')
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        # files should not be deleted if changed after a merge
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        merge_target.merge_from_branch(tree.branch)
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        self.failUnlessExists('merge_target/new_file')
 
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        self.assertPathExists('merge_target/new_file')
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        self.build_tree_contents([('merge_target/new_file', 'new_contents')])
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        merge_target.revert([])
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        self.failUnlessExists('merge_target/new_file')
 
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        merge_target.revert()
 
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        self.assertPathExists('merge_target/new_file')
 
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    def tree_with_executable(self):
 
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        tree = self.make_branch_and_tree('tree')
 
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        tt = transform.TreeTransform(tree)
 
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        tt.new_file('newfile', tt.root, 'helooo!', 'newfile-id', True)
 
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        tt.apply()
 
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        tree.lock_write()
 
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        try:
 
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            self.assertTrue(tree.is_executable('newfile-id'))
 
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            tree.commit('added newfile')
 
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        finally:
 
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            tree.unlock()
 
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        return tree
 
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    def test_preserve_execute(self):
 
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        tree = self.tree_with_executable()
 
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        tt = transform.TreeTransform(tree)
 
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        newfile = tt.trans_id_tree_file_id('newfile-id')
 
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        tt.delete_contents(newfile)
 
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        tt.create_file('Woooorld!', newfile)
 
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        tt.apply()
 
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        tree = workingtree.WorkingTree.open('tree')
 
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        tree.lock_write()
 
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        self.addCleanup(tree.unlock)
 
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        self.assertTrue(tree.is_executable('newfile-id'))
 
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        transform.revert(tree, tree.basis_tree(), None, backups=True)
 
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        self.assertEqual('helooo!', tree.get_file('newfile-id').read())
 
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        self.assertTrue(tree.is_executable('newfile-id'))
 
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    def test_revert_executable(self):
 
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        tree = self.tree_with_executable()
 
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        tt = transform.TreeTransform(tree)
 
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        newfile = tt.trans_id_tree_file_id('newfile-id')
 
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        tt.set_executability(False, newfile)
 
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        tt.apply()
 
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        tree.lock_write()
 
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        self.addCleanup(tree.unlock)
 
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        transform.revert(tree, tree.basis_tree(), None)
 
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        self.assertTrue(tree.is_executable('newfile-id'))
 
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    def test_revert_deletes_files_from_revert(self):
 
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        tree = self.make_branch_and_tree('.')
 
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        self.build_tree(['file'])
 
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        tree.add('file')
 
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        tree.commit('added file', rev_id='rev1')
 
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        os.unlink('file')
 
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        tree.commit('removed file')
 
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        self.assertPathDoesNotExist('file')
 
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        tree.revert(old_tree=tree.branch.repository.revision_tree('rev1'))
 
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        self.assertPathExists('file')
 
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        tree.revert()
 
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        self.assertPathDoesNotExist('file')
 
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        self.assertEqual({}, tree.merge_modified())
 
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    def test_empty_deprecated(self):
 
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        tree = self.make_branch_and_tree('.')
 
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        self.build_tree(['file'])
 
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        tree.add('file')
 
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        self.callDeprecated(['Using [] to revert all files is deprecated'
 
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            ' as of bzr 0.91.  Please use None (the default) instead.'],
 
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            tree.revert, [])
 
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        self.assertIs(None, tree.path2id('file'))
 
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    def test_revert_file_in_deleted_dir(self):
 
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        tree = self.make_branch_and_tree('.')
 
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        self.build_tree(['dir/', 'dir/file1', 'dir/file2'])
 
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        tree.add(['dir', 'dir/file1', 'dir/file2'],
 
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                 ['dir-id', 'file1-id', 'file2-id'])
 
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        tree.commit("Added files")
 
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        os.unlink('dir/file1')
 
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        os.unlink('dir/file2')
 
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        os.rmdir('dir')
 
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        tree.remove(['dir/', 'dir/file1', 'dir/file2'])
 
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        tree.revert(['dir/file1'])
 
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        self.assertPathExists('dir/file1')
 
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        self.assertPathDoesNotExist('dir/file2')
 
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        self.assertEqual('dir-id', tree.path2id('dir'))
 
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    def test_revert_root_id_change(self):
 
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        tree = self.make_branch_and_tree('.')
 
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        tree.set_root_id('initial-root-id')
 
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        self.build_tree(['file1'])
 
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        tree.add(['file1'])
 
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        tree.commit('first')
 
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        tree.set_root_id('temp-root-id')
 
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        self.assertEqual('temp-root-id', tree.get_root_id())
 
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        tree.revert()
 
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        self.assertEqual('initial-root-id', tree.get_root_id())