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bzrlib/selftest/testworkingtree.py
 
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# (C) 2005 Canonical Ltd
 
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# Authors:  Robert Collins <robert.collins@canonical.com>
 
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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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# 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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#
 
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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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#
 
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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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import os
 
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from bzrlib.branch import Branch
 
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from bzrlib.errors import NotVersionedError
 
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from bzrlib.selftest import TestCaseInTempDir
 
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from bzrlib.trace import mutter
 
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from bzrlib.workingtree import (TreeEntry, TreeDirectory, TreeFile, TreeLink,
 
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                                WorkingTree)
 
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class TestTreeDirectory(TestCaseInTempDir):
 
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    def test_kind_character(self):
 
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        self.assertEqual(TreeDirectory().kind_character(), '/')
 
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class TestTreeEntry(TestCaseInTempDir):
 
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    def test_kind_character(self):
 
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        self.assertEqual(TreeEntry().kind_character(), '???')
 
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class TestTreeFile(TestCaseInTempDir):
 
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    def test_kind_character(self):
 
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        self.assertEqual(TreeFile().kind_character(), '')
 
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class TestTreeLink(TestCaseInTempDir):
 
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    def test_kind_character(self):
 
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        self.assertEqual(TreeLink().kind_character(), '')
 
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class TestWorkingTree(TestCaseInTempDir):
 
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    def test_listfiles(self):
 
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        branch = Branch.initialize('.')
 
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        os.mkdir('dir')
 
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        print >> open('file', 'w'), "content"
 
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        os.symlink('target', 'symlink')
 
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        tree = branch.working_tree()
 
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        files = list(tree.list_files())
 
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        self.assertEqual(files[0], ('dir', '?', 'directory', None, TreeDirectory()))
 
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        self.assertEqual(files[1], ('file', '?', 'file', None, TreeFile()))
 
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        self.assertEqual(files[2], ('symlink', '?', 'symlink', None, TreeLink()))
 
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    def test_construct_with_branch(self):
 
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        branch = Branch.initialize('.')
 
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        tree = WorkingTree(branch.base, branch)
 
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        self.assertEqual(branch, tree.branch)
 
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        self.assertEqual(branch.base, tree.basedir)
 
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    def test_construct_without_branch(self):
 
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        branch = Branch.initialize('.')
 
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        tree = WorkingTree(branch.base)
 
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        self.assertEqual(branch.base, tree.branch.base)
 
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        self.assertEqual(branch.base, tree.basedir)
 
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    def test_basic_relpath(self):
 
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        # for comprehensive relpath tests, see whitebox.py.
 
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        branch = Branch.initialize('.')
 
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        tree = WorkingTree(branch.base)
 
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        self.assertEqual('child',
 
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                         tree.relpath(os.path.join(os.getcwd(), 'child')))
 
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    def test_lock_locks_branch(self):
 
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        branch = Branch.initialize('.')
 
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        tree = WorkingTree(branch.base)
 
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        tree.lock_read()
 
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        self.assertEqual(1, tree.branch._lock_count)
 
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        self.assertEqual('r', tree.branch._lock_mode)
 
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        tree.unlock()
 
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        self.assertEqual(None, tree.branch._lock_count)
 
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        tree.lock_write()
 
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        self.assertEqual(1, tree.branch._lock_count)
 
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        self.assertEqual('w', tree.branch._lock_mode)
 
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        tree.unlock()
 
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        self.assertEqual(None, tree.branch._lock_count)
 
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    def get_pullable_branches(self):
 
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        self.build_tree(['from/', 'from/file', 'to/'])
 
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        br_a = Branch.initialize('from')
 
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        br_a.add('file')
 
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        br_a.working_tree().commit('foo', rev_id='A')
 
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        br_b = Branch.initialize('to')
 
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        return br_a, br_b
 
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    def test_pull(self):
 
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        br_a, br_b = self.get_pullable_branches()
 
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        br_b.working_tree().pull(br_a)
 
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        self.failUnless(br_b.has_revision('A'))
 
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        self.assertEqual(['A'], br_b.revision_history())
 
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    def test_pull_overwrites(self):
 
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        br_a, br_b = self.get_pullable_branches()
 
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        br_b.working_tree().commit('foo', rev_id='B')
 
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        self.assertEqual(['B'], br_b.revision_history())
 
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        br_b.working_tree().pull(br_a, overwrite=True)
 
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        self.failUnless(br_b.has_revision('A'))
 
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        self.failUnless(br_b.has_revision('B'))
 
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        self.assertEqual(['A'], br_b.revision_history())
 
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    def test_revert(self):
 
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        """Test selected-file revert"""
 
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        b = Branch.initialize('.')
 
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        self.build_tree(['hello.txt'])
 
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        file('hello.txt', 'w').write('initial hello')
 
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        self.assertRaises(NotVersionedError,
 
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                          b.working_tree().revert, ['hello.txt'])
 
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        b.add(['hello.txt'])
 
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        b.working_tree().commit('create initial hello.txt')
 
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        self.check_file_contents('hello.txt', 'initial hello')
 
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        file('hello.txt', 'w').write('new hello')
 
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        self.check_file_contents('hello.txt', 'new hello')
 
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        wt = b.working_tree()
 
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        # revert file modified since last revision
 
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        wt.revert(['hello.txt'])
 
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        self.check_file_contents('hello.txt', 'initial hello')
 
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        self.check_file_contents('hello.txt~', 'new hello')
 
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        # reverting again does not clobber the backup
 
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        wt.revert(['hello.txt'])
 
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        self.check_file_contents('hello.txt', 'initial hello')
 
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        self.check_file_contents('hello.txt~', 'new hello')