/brz/remove-bazaar

# Copyright (C) 2005, 2006 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

from cStringIO import StringIO

import os

import bzrlib

from bzrlib import branch, bzrdir, errors, urlutils, workingtree

from bzrlib.errors import (NotBranchError, NotVersionedError, 

                           UnsupportedOperation)

from bzrlib.osutils import pathjoin, getcwd, has_symlinks

from bzrlib.tests import TestSkipped

from bzrlib.tests.workingtree_implementations import TestCaseWithWorkingTree

from bzrlib.trace import mutter

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

                                WorkingTree)

from bzrlib.conflicts import ConflictList

class TestWorkingTree(TestCaseWithWorkingTree):

    def test_list_files(self):

        tree = self.make_branch_and_tree('.')

        self.build_tree(['dir/', 'file'])

        if has_symlinks():

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

        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_list_files_sorted(self):

        tree = self.make_branch_and_tree('.')

        self.build_tree(['dir/', 'file', 'dir/file', 'dir/b', 'dir/subdir/', 'a', 'dir/subfile',

                'zz_dir/', 'zz_dir/subfile'])

        files = [(path, kind) for (path, versioned, kind, file_id, entry) in tree.list_files()]

        self.assertEqual([

            ('a', 'file'),

            ('dir', 'directory'),

            ('file', 'file'),

            ('zz_dir', 'directory'),

            ], files)

        tree.add(['dir', 'zz_dir'])

        files = [(path, kind) for (path, versioned, kind, file_id, entry) in tree.list_files()]

        self.assertEqual([

            ('a', 'file'),

            ('dir', 'directory'),

            ('dir/b', 'file'),

            ('dir/file', 'file'),

            ('dir/subdir', 'directory'),

            ('dir/subfile', 'file'),

            ('file', 'file'),

            ('zz_dir', 'directory'),

            ('zz_dir/subfile', 'file'),

            ], files)

    def test_open_containing(self):

        branch = self.make_branch_and_tree('.').branch

        wt, relpath = WorkingTree.open_containing()

        self.assertEqual('', relpath)

        self.assertEqual(wt.basedir + '/', urlutils.local_path_from_url(branch.base))

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

        self.assertEqual('', relpath)

        self.assertEqual(wt.basedir + '/', urlutils.local_path_from_url(branch.base))

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

        self.assertEqual('foo', relpath)

        self.assertEqual(wt.basedir + '/', urlutils.local_path_from_url(branch.base))

        wt, relpath = WorkingTree.open_containing('file://' + getcwd() + '/foo')

        self.assertEqual('foo', relpath)

        self.assertEqual(wt.basedir + '/', urlutils.local_path_from_url(branch.base))

    def test_basic_relpath(self):

        # for comprehensive relpath tests, see whitebox.py.

        tree = self.make_branch_and_tree('.')

        self.assertEqual('child',

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

    def test_lock_locks_branch(self):

        tree = self.make_branch_and_tree('.')

        tree.lock_read()

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

        tree.unlock()

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

        tree.lock_write()

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

        tree.unlock()

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

    def test_revert(self):

        """Test selected-file revert"""

        tree = self.make_branch_and_tree('.')

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

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

        self.assertRaises(NotVersionedError,

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

        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.~1~', '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.~1~', 'new hello')

        # backup files are numbered

        file('hello.txt', 'w').write('new hello2')

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

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

        self.check_file_contents('hello.txt.~1~', 'new hello')

        self.check_file_contents('hello.txt.~2~', 'new hello2')

    def test_revert_missing(self):

        # Revert a file that has been deleted since last commit

        tree = self.make_branch_and_tree('.')

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

        tree.add('hello.txt')

        tree.commit('added hello.txt')

        os.unlink('hello.txt')

        tree.remove('hello.txt')

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

        self.failUnlessExists('hello.txt')

    def test_unknowns_by_default_patterns(self):

        """Backup files are ignored by default"""

        tree = self.make_branch_and_tree('.')

        self.build_tree(['hello.txt',

                         'hello.txt.~1~'])

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

                          ['hello.txt'])

    def test_versioned_files_not_unknown(self):

        tree = self.make_branch_and_tree('.')

        self.build_tree(['hello.txt',

                         'hello.txt.~1~'])

        tree.add('hello.txt')

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

                          [])

        tree.remove('hello.txt')

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

                          ['hello.txt'])

    def test_hashcache(self):

        from bzrlib.tests.test_hashcache import pause

        tree = self.make_branch_and_tree('.')

        self.build_tree(['hello.txt',

                         'hello.txt.~1~'])

        tree.add('hello.txt')

        pause()

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

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

        tree2 = WorkingTree.open('.')

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

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

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

    def test_initialize(self):

        # initialize should create a working tree and branch in an existing dir

        t = self.make_branch_and_tree('.')

        b = branch.Branch.open('.')

        self.assertEqual(t.branch.base, b.base)

        t2 = WorkingTree.open('.')

        self.assertEqual(t.basedir, t2.basedir)

        self.assertEqual(b.base, t2.branch.base)

        # TODO maybe we should check the branch format? not sure if its

        # appropriate here.

    def test_rename_dirs(self):

        """Test renaming directories and the files within them."""

        wt = self.make_branch_and_tree('.')

        b = wt.branch

        self.build_tree(['dir/', 'dir/sub/', 'dir/sub/file'])

        wt.add(['dir', 'dir/sub', 'dir/sub/file'])

        wt.commit('create initial state')

        revid = b.revision_history()[0]

        self.log('first revision_id is {%s}' % revid)

        inv = b.repository.get_revision_inventory(revid)

        self.log('contents of inventory: %r' % inv.entries())

        self.check_inventory_shape(inv,

                                   ['dir', 'dir/sub', 'dir/sub/file'])

        wt.rename_one('dir', 'newdir')

        self.check_inventory_shape(wt.read_working_inventory(),

                                   ['newdir', 'newdir/sub', 'newdir/sub/file'])

        wt.rename_one('newdir/sub', 'newdir/newsub')

        self.check_inventory_shape(wt.read_working_inventory(),

                                   ['newdir', 'newdir/newsub',

                                    'newdir/newsub/file'])

    def test_add_in_unversioned(self):

        """Try to add a file in an unversioned directory.

        "bzr add" adds the parent as necessary, but simple working tree add

        doesn't do that.

        """

        from bzrlib.errors import NotVersionedError

        wt = self.make_branch_and_tree('.')

        self.build_tree(['foo/',

                         'foo/hello'])

        self.assertRaises(NotVersionedError,

                          wt.add,

                          'foo/hello')

    def test_add_missing(self):

        # adding a msising file -> NoSuchFile

        wt = self.make_branch_and_tree('.')

        self.assertRaises(errors.NoSuchFile, wt.add, 'fpp')

    def test_remove_verbose(self):

        #FIXME the remove api should not print or otherwise depend on the

        # text UI - RBC 20060124

        wt = self.make_branch_and_tree('.')

        self.build_tree(['hello'])

        wt.add(['hello'])

        wt.commit(message='add hello')

        stdout = StringIO()

        stderr = StringIO()

        self.assertEqual(None, self.apply_redirected(None, stdout, stderr,

                                                     wt.remove,

                                                     ['hello'],

                                                     verbose=True))

        self.assertEqual('?       hello\n', stdout.getvalue())

        self.assertEqual('', stderr.getvalue())

    def test_clone_trivial(self):

        wt = self.make_branch_and_tree('source')

        cloned_dir = wt.bzrdir.clone('target')

        cloned = cloned_dir.open_workingtree()

        self.assertEqual(cloned.last_revision(), wt.last_revision())

    def test_last_revision(self):

        wt = self.make_branch_and_tree('source')

        self.assertEqual(None, wt.last_revision())

        wt.commit('A', allow_pointless=True, rev_id='A')

        self.assertEqual('A', wt.last_revision())

    def test_set_last_revision(self):

        wt = self.make_branch_and_tree('source')

        self.assertEqual(None, wt.last_revision())

        # cannot set the last revision to one not in the branch history.

        self.assertRaises(errors.NoSuchRevision, wt.set_last_revision, 'A')

        wt.commit('A', allow_pointless=True, rev_id='A')

        self.assertEqual('A', wt.last_revision())

        # None is aways in the branch

        wt.set_last_revision(None)

        self.assertEqual(None, wt.last_revision())

        # and now we can set it to 'A'

        # because some formats mutate the branch to set it on the tree

        # we need to alter the branch to let this pass.

        wt.branch.set_revision_history(['A', 'B'])

        wt.set_last_revision('A')

        self.assertEqual('A', wt.last_revision())

    def test_set_last_revision_different_to_branch(self):

        # working tree formats from the meta-dir format and newer support

        # setting the last revision on a tree independently of that on the 

        # branch. Its concievable that some future formats may want to 

        # couple them again (i.e. because its really a smart server and

        # the working tree will always match the branch). So we test

        # that formats where initialising a branch does not initialise a 

        # tree - and thus have separable entities - support skewing the 

        # two things.

        branch = self.make_branch('tree')

        try:

            # if there is a working tree now, this is not supported.

            branch.bzrdir.open_workingtree()

            return

        except errors.NoWorkingTree:

            pass

        wt = branch.bzrdir.create_workingtree()

        wt.commit('A', allow_pointless=True, rev_id='A')

        wt.set_last_revision(None)

        self.assertEqual(None, wt.last_revision())

        self.assertEqual('A', wt.branch.last_revision())

        # and now we can set it back to 'A'

        wt.set_last_revision('A')

        self.assertEqual('A', wt.last_revision())

        self.assertEqual('A', wt.branch.last_revision())

    def test_clone_and_commit_preserves_last_revision(self):

        wt = self.make_branch_and_tree('source')

        cloned_dir = wt.bzrdir.clone('target')

        wt.commit('A', allow_pointless=True, rev_id='A')

        self.assertNotEqual(cloned_dir.open_workingtree().last_revision(),

                            wt.last_revision())

    def test_clone_preserves_content(self):

        wt = self.make_branch_and_tree('source')

        self.build_tree(['added', 'deleted', 'notadded'], transport=wt.bzrdir.transport.clone('..'))

        wt.add('deleted', 'deleted')

        wt.commit('add deleted')

        wt.remove('deleted')

        wt.add('added', 'added')

        cloned_dir = wt.bzrdir.clone('target')

        cloned = cloned_dir.open_workingtree()

        cloned_transport = cloned.bzrdir.transport.clone('..')

        self.assertFalse(cloned_transport.has('deleted'))

        self.assertTrue(cloned_transport.has('added'))

        self.assertFalse(cloned_transport.has('notadded'))

        self.assertEqual('added', cloned.path2id('added'))

        self.assertEqual(None, cloned.path2id('deleted'))

        self.assertEqual(None, cloned.path2id('notadded'))

    def test_basis_tree_returns_last_revision(self):

        wt = self.make_branch_and_tree('.')

        self.build_tree(['foo'])

        wt.add('foo', 'foo-id')

        wt.commit('A', rev_id='A')

        wt.rename_one('foo', 'bar')

        wt.commit('B', rev_id='B')

        wt.set_last_revision('B')

        tree = wt.basis_tree()

        self.failUnless(tree.has_filename('bar'))

        wt.set_last_revision('A')

        tree = wt.basis_tree()

        self.failUnless(tree.has_filename('foo'))

    def test_clone_tree_revision(self):

        # make a tree with a last-revision,

        # and clone it with a different last-revision, this should switch

        # do it.

        #

        # also test that the content is merged

        # and conflicts recorded.

        # This should merge between the trees - local edits should be preserved

        # but other changes occured.

        # we test this by having one file that does

        # not change between two revisions, and another that does -

        # if the changed one is not changed, fail,

        # if the one that did not change has lost a local change, fail.

        # 

        raise TestSkipped('revision limiting is not implemented yet.')

    def test_initialize_with_revision_id(self):

        # a bzrdir can construct a working tree for itself @ a specific revision.

        source = self.make_branch_and_tree('source')

        source.commit('a', rev_id='a', allow_pointless=True)

        source.commit('b', rev_id='b', allow_pointless=True)

        self.build_tree(['new/'])

        made_control = self.bzrdir_format.initialize('new')

        source.branch.repository.clone(made_control)

        source.branch.clone(made_control)

        made_tree = self.workingtree_format.initialize(made_control, revision_id='a')

        self.assertEqual('a', made_tree.last_revision())

    def test_update_sets_last_revision(self):

        # working tree formats from the meta-dir format and newer support

        # setting the last revision on a tree independently of that on the 

        # branch. Its concievable that some future formats may want to 

        # couple them again (i.e. because its really a smart server and

        # the working tree will always match the branch). So we test

        # that formats where initialising a branch does not initialise a 

        # tree - and thus have separable entities - support skewing the 

        # two things.

        main_branch = self.make_branch('tree')

        try:

            # if there is a working tree now, this is not supported.

            main_branch.bzrdir.open_workingtree()

            return

        except errors.NoWorkingTree:

            pass

        wt = main_branch.bzrdir.create_workingtree()

        # create an out of date working tree by making a checkout in this

        # current format

        self.build_tree(['checkout/', 'tree/file'])

        checkout = bzrdir.BzrDirMetaFormat1().initialize('checkout')

        branch.BranchReferenceFormat().initialize(checkout, main_branch)

        old_tree = self.workingtree_format.initialize(checkout)

        # now commit to 'tree'

        wt.add('file')

        wt.commit('A', rev_id='A')

        # and update old_tree

        self.assertEqual(0, old_tree.update())

        self.failUnlessExists('checkout/file')

        self.assertEqual('A', old_tree.last_revision())

    def test_update_returns_conflict_count(self):

        # working tree formats from the meta-dir format and newer support

        # setting the last revision on a tree independently of that on the 

        # branch. Its concievable that some future formats may want to 

        # couple them again (i.e. because its really a smart server and

        # the working tree will always match the branch). So we test

        # that formats where initialising a branch does not initialise a 

        # tree - and thus have separable entities - support skewing the 

        # two things.

        main_branch = self.make_branch('tree')

        try:

            # if there is a working tree now, this is not supported.

            main_branch.bzrdir.open_workingtree()

            return

        except errors.NoWorkingTree:

            pass

        wt = main_branch.bzrdir.create_workingtree()

        # create an out of date working tree by making a checkout in this

        # current format

        self.build_tree(['checkout/', 'tree/file'])

        checkout = bzrdir.BzrDirMetaFormat1().initialize('checkout')

        branch.BranchReferenceFormat().initialize(checkout, main_branch)

        old_tree = self.workingtree_format.initialize(checkout)

        # now commit to 'tree'

        wt.add('file')

        wt.commit('A', rev_id='A')

        # and add a file file to the checkout

        self.build_tree(['checkout/file'])

        old_tree.add('file')

        # and update old_tree

        self.assertEqual(1, old_tree.update())

        self.assertEqual('A', old_tree.last_revision())

    def test_merge_revert(self):

        from bzrlib.merge import merge_inner

        this = self.make_branch_and_tree('b1')

        open('b1/a', 'wb').write('a test\n')

        this.add('a')

        open('b1/b', 'wb').write('b test\n')

        this.add('b')

        this.commit(message='')

        base = this.bzrdir.clone('b2').open_workingtree()

        open('b2/a', 'wb').write('b test\n')

        other = this.bzrdir.clone('b3').open_workingtree()

        open('b3/a', 'wb').write('c test\n')

        open('b3/c', 'wb').write('c test\n')

        other.add('c')

        open('b1/b', 'wb').write('q test\n')

        open('b1/d', 'wb').write('d test\n')

        merge_inner(this.branch, other, base, this_tree=this)

        self.assertNotEqual(open('b1/a', 'rb').read(), 'a test\n')

        this.revert([])

        self.assertEqual(open('b1/a', 'rb').read(), 'a test\n')

        self.assertIs(os.path.exists('b1/b.~1~'), True)

        self.assertIs(os.path.exists('b1/c'), False)

        self.assertIs(os.path.exists('b1/a.~1~'), False)

        self.assertIs(os.path.exists('b1/d'), True)

    def test_update_updates_bound_branch_no_local_commits(self):

        # doing an update in a tree updates the branch its bound to too.

        master_tree = self.make_branch_and_tree('master')

        tree = self.make_branch_and_tree('tree')

        try:

            tree.branch.bind(master_tree.branch)

        except errors.UpgradeRequired:

            # legacy branches cannot bind

            return

        master_tree.commit('foo', rev_id='foo', allow_pointless=True)

        tree.update()

        self.assertEqual('foo', tree.last_revision())

        self.assertEqual('foo', tree.branch.last_revision())

    def test_update_turns_local_commit_into_merge(self):

        # doing an update with a few local commits and no master commits

        # makes pending-merges. 

        # this is done so that 'bzr update; bzr revert' will always produce

        # an exact copy of the 'logical branch' - the referenced branch for

        # a checkout, and the master for a bound branch.

        # its possible that we should instead have 'bzr update' when there

        # is nothing new on the master leave the current commits intact and

        # alter 'revert' to revert to the master always. But for now, its

        # good.

        master_tree = self.make_branch_and_tree('master')

        tree = self.make_branch_and_tree('tree')

        try:

            tree.branch.bind(master_tree.branch)

        except errors.UpgradeRequired:

            # legacy branches cannot bind

            return

        tree.commit('foo', rev_id='foo', allow_pointless=True, local=True)

        tree.commit('bar', rev_id='bar', allow_pointless=True, local=True)

        tree.update()

        self.assertEqual(None, tree.last_revision())

        self.assertEqual([], tree.branch.revision_history())

        self.assertEqual(['bar'], tree.pending_merges())

    def test_merge_modified(self):

        tree = self.make_branch_and_tree('master')

        tree._control_files.put('merge-hashes', StringIO('asdfasdf'))

        self.assertRaises(errors.MergeModifiedFormatError, tree.merge_modified)

    def test_conflicts(self):

        from bzrlib.tests.test_conflicts import example_conflicts

        tree = self.make_branch_and_tree('master')

        try:

            tree.set_conflicts(example_conflicts)

        except UnsupportedOperation:

            raise TestSkipped('set_conflicts not supported')

        tree2 = WorkingTree.open('master')

        self.assertEqual(tree2.conflicts(), example_conflicts)

        tree2._control_files.put('conflicts', StringIO(''))

        self.assertRaises(errors.ConflictFormatError, 

                          tree2.conflicts)

        tree2._control_files.put('conflicts', StringIO('a'))

        self.assertRaises(errors.ConflictFormatError, 

                          tree2.conflicts)

    def make_merge_conflicts(self):

        from bzrlib.merge import merge_inner 

        tree = self.make_branch_and_tree('mine')

        file('mine/bloo', 'wb').write('one')

        tree.add('bloo')

        file('mine/blo', 'wb').write('on')

        tree.add('blo')

        tree.commit("blah", allow_pointless=False)

        base = tree.basis_tree()

        bzrdir.BzrDir.open("mine").sprout("other")

        file('other/bloo', 'wb').write('two')

        othertree = WorkingTree.open('other')

        othertree.commit('blah', allow_pointless=False)

        file('mine/bloo', 'wb').write('three')

        tree.commit("blah", allow_pointless=False)

        merge_inner(tree.branch, othertree, base, this_tree=tree)

        return tree

    def test_merge_conflicts(self):

        tree = self.make_merge_conflicts()

        self.assertEqual(len(tree.conflicts()), 1)

    def test_clear_merge_conflicts(self):

        tree = self.make_merge_conflicts()

        self.assertEqual(len(tree.conflicts()), 1)

        try:

            tree.set_conflicts(ConflictList())

        except UnsupportedOperation:

            raise TestSkipped

        self.assertEqual(tree.conflicts(), ConflictList())

    def test_revert_clear_conflicts(self):

        tree = self.make_merge_conflicts()

        self.assertEqual(len(tree.conflicts()), 1)

        tree.revert(["blo"])

        self.assertEqual(len(tree.conflicts()), 1)

        tree.revert(["bloo"])

        self.assertEqual(len(tree.conflicts()), 0)

    def test_revert_clear_conflicts2(self):

        tree = self.make_merge_conflicts()

        self.assertEqual(len(tree.conflicts()), 1)

        tree.revert([])

        self.assertEqual(len(tree.conflicts()), 0)

    def test_format_description(self):

        tree = self.make_branch_and_tree('tree')

        text = tree._format.get_format_description()

        self.failUnless(len(text))

    def test_branch_attribute_is_not_settable(self):

        # the branch attribute is an aspect of the working tree, not a

        # configurable attribute

        tree = self.make_branch_and_tree('tree')

        def set_branch():

            tree.branch = tree.branch

        self.assertRaises(AttributeError, set_branch)

    def test_list_files_versioned_before_ignored(self):

        """A versioned file matching an ignore rule should not be ignored."""

        tree = self.make_branch_and_tree('.')

        self.build_tree(['foo.pyc'])

        # ensure that foo.pyc is ignored

        self.build_tree_contents([('.bzrignore', 'foo.pyc')])

        tree.add('foo.pyc', 'anid')

        files = sorted(list(tree.list_files()))

        self.assertEqual((u'.bzrignore', '?', 'file', None), files[0][:-1])

        self.assertEqual((u'foo.pyc', 'V', 'file', 'anid'), files[1][:-1])

        self.assertEqual(2, len(files))