~bzr-pqm/bzr/bzr.dev

# (C) 2005 Canonical Ltd

# Authors:  Robert Collins <robert.collins@canonical.com>

#

# 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

import os

from bzrlib.branch import Branch

from bzrlib.errors import NotBranchError, NotVersionedError

from bzrlib.tests import TestCaseInTempDir

from bzrlib.trace import mutter

from bzrlib.osutils import pathjoin, getcwd, has_symlinks

from bzrlib.workingtree import (TreeEntry, TreeDirectory, TreeFile, TreeLink,

                                WorkingTree)

class TestTreeDirectory(TestCaseInTempDir):

    def test_kind_character(self):

        self.assertEqual(TreeDirectory().kind_character(), '/')

class TestTreeEntry(TestCaseInTempDir):

    def test_kind_character(self):

        self.assertEqual(TreeEntry().kind_character(), '???')

class TestTreeFile(TestCaseInTempDir):

    def test_kind_character(self):

        self.assertEqual(TreeFile().kind_character(), '')

class TestTreeLink(TestCaseInTempDir):

    def test_kind_character(self):

        self.assertEqual(TreeLink().kind_character(), '')

class TestWorkingTree(TestCaseInTempDir):

    def test_listfiles(self):

        branch = Branch.initialize(u'.')

        os.mkdir('dir')

        print >> open('file', 'w'), "content"

        if has_symlinks():

            os.symlink('target', 'symlink')

        tree = branch.working_tree()

        files = list(tree.list_files())

        self.assertEqual(files[0], ('dir', '?', 'directory', None, TreeDirectory()))

        self.assertEqual(files[1], ('file', '?', 'file', None, TreeFile()))

        if has_symlinks():

            self.assertEqual(files[2], ('symlink', '?', 'symlink', None, TreeLink()))

    def test_open_containing(self):

        branch = Branch.initialize(u'.')

        wt, relpath = WorkingTree.open_containing()

        self.assertEqual('', relpath)

        self.assertEqual(wt.basedir, branch.base)

        wt, relpath = WorkingTree.open_containing(u'.')

        self.assertEqual('', relpath)

        self.assertEqual(wt.basedir, branch.base)

        wt, relpath = WorkingTree.open_containing('./foo')

        self.assertEqual('foo', relpath)

        self.assertEqual(wt.basedir, branch.base)

        # paths that are urls are just plain wrong for working trees.

        self.assertRaises(NotBranchError,

                          WorkingTree.open_containing, 

                          'file:///' + getcwd())

    def test_construct_with_branch(self):

        branch = Branch.initialize(u'.')

        tree = WorkingTree(branch.base, branch)

        self.assertEqual(branch, tree.branch)

        self.assertEqual(branch.base, tree.basedir)

    def test_construct_without_branch(self):

        branch = Branch.initialize(u'.')

        tree = WorkingTree(branch.base)

        self.assertEqual(branch.base, tree.branch.base)

        self.assertEqual(branch.base, tree.basedir)

    def test_basic_relpath(self):

        # for comprehensive relpath tests, see whitebox.py.

        branch = Branch.initialize(u'.')

        tree = WorkingTree(branch.base)

        self.assertEqual('child',

                         tree.relpath(pathjoin(getcwd(), 'child')))

    def test_lock_locks_branch(self):

        branch = Branch.initialize(u'.')

        tree = WorkingTree(branch.base)

        tree.lock_read()

        self.assertEqual(1, tree.branch._lock_count)

        self.assertEqual('r', tree.branch._lock_mode)

        tree.unlock()

        self.assertEqual(None, tree.branch._lock_count)

        tree.lock_write()

        self.assertEqual(1, tree.branch._lock_count)

        self.assertEqual('w', tree.branch._lock_mode)

        tree.unlock()

        self.assertEqual(None, tree.branch._lock_count)

    def get_pullable_branches(self):

        self.build_tree(['from/', 'from/file', 'to/'])

        br_a = Branch.initialize('from')

        tree = br_a.working_tree()

        tree.add('file')

        tree.commit('foo', rev_id='A')

        br_b = Branch.initialize('to')

        return br_a, br_b

    def test_pull(self):

        br_a, br_b = self.get_pullable_branches()

        br_b.working_tree().pull(br_a)

        self.failUnless(br_b.has_revision('A'))

        self.assertEqual(['A'], br_b.revision_history())

    def test_pull_overwrites(self):

        br_a, br_b = self.get_pullable_branches()

        br_b.working_tree().commit('foo', rev_id='B')

        self.assertEqual(['B'], br_b.revision_history())

        br_b.working_tree().pull(br_a, overwrite=True)

        self.failUnless(br_b.has_revision('A'))

        self.failUnless(br_b.has_revision('B'))

        self.assertEqual(['A'], br_b.revision_history())

    def test_revert(self):

        """Test selected-file revert"""

        b = Branch.initialize(u'.')

        self.build_tree(['hello.txt'])

        file('hello.txt', 'w').write('initial hello')

        self.assertRaises(NotVersionedError,

                          b.working_tree().revert, ['hello.txt'])

        tree = WorkingTree(b.base, b)

        tree.add(['hello.txt'])

        tree.commit('create initial hello.txt')

        self.check_file_contents('hello.txt', 'initial hello')

        file('hello.txt', 'w').write('new hello')

        self.check_file_contents('hello.txt', 'new hello')

        # revert file modified since last revision

        tree.revert(['hello.txt'])

        self.check_file_contents('hello.txt', 'initial hello')

        self.check_file_contents('hello.txt~', 'new hello')

        # reverting again does not clobber the backup

        tree.revert(['hello.txt'])

        self.check_file_contents('hello.txt', 'initial hello')

        self.check_file_contents('hello.txt~', 'new hello')

    def test_unknowns(self):

        b = Branch.initialize(u'.')

        tree = WorkingTree(u'.', b)

        self.build_tree(['hello.txt',

                         'hello.txt~'])

        self.assertEquals(list(tree.unknowns()),

                          ['hello.txt'])

    def test_hashcache(self):

        from bzrlib.tests.test_hashcache import pause

        b = Branch.initialize(u'.')

        tree = WorkingTree(u'.', b)

        self.build_tree(['hello.txt',

                         'hello.txt~'])

        tree.add('hello.txt')

        pause()

        sha = tree.get_file_sha1(tree.path2id('hello.txt'))

        self.assertEqual(1, tree._hashcache.miss_count)

        tree2 = WorkingTree(u'.', b)

        sha2 = tree2.get_file_sha1(tree2.path2id('hello.txt'))

        self.assertEqual(0, tree2._hashcache.miss_count)

        self.assertEqual(1, tree2._hashcache.hit_count)