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# Copyright (C) 2010 Canonical 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Test symlink support.
"""
import os
from bzrlib import (
osutils,
tests,
workingtree,
)
from bzrlib.tests.per_workingtree import TestCaseWithWorkingTree
from bzrlib.tests import (
features,
)
class TestSmartAddTree(TestCaseWithWorkingTree):
# See eg <https://bugs.launchpad.net/bzr/+bug/192859>
_test_needs_features = [features.SymlinkFeature]
def test_smart_add_symlink(self):
tree = self.make_branch_and_tree('tree')
self.build_tree_contents([
('tree/link@', 'target'),
])
tree.smart_add(['tree/link'])
self.assertIsNot(None, tree.path2id('link'))
self.assertIs(None, tree.path2id('target'))
self.assertEqual('symlink',
tree.kind(tree.path2id('link')))
def test_smart_add_symlink_pointing_outside(self):
tree = self.make_branch_and_tree('tree')
self.build_tree_contents([
('tree/link@', '../../../../target'),
])
tree.smart_add(['tree/link'])
self.assertIsNot(None, tree.path2id('link'))
self.assertIs(None, tree.path2id('target'))
self.assertEqual('symlink',
tree.kind(tree.path2id('link')))
def test_add_file_under_symlink(self):
# similar to
# https://bugs.launchpad.net/bzr/+bug/192859/comments/3
tree = self.make_branch_and_tree('tree')
self.build_tree_contents([
('tree/link@', 'dir'),
('tree/dir/',),
('tree/dir/file', 'content'),
])
self.assertEquals(
tree.smart_add(['tree/link/file']),
([u'dir', u'dir/file'], {}))
# should add the actual parent directory, not the apparent parent
# (which is actually a symlink)
self.assertTrue(tree.path2id('dir/file'))
self.assertTrue(tree.path2id('dir'))
self.assertIs(None, tree.path2id('link'))
self.assertIs(None, tree.path2id('link/file'))
class TestKindChanges(TestCaseWithWorkingTree):
_test_needs_features = [features.SymlinkFeature]
def test_symlink_changes_to_dir(self):
# <https://bugs.launchpad.net/bzr/+bug/192859>:
# we had some past problems with the workingtree remembering for too
# long what kind of object was at a particular name; we really
# shouldn't do that. Operating on the dirstate through passing
# inventory deltas rather than mutating the inventory largely avoids
# that.
tree = self.make_branch_and_tree('tree')
self.build_tree_contents([
('tree/a@', 'target')])
tree.smart_add(['tree/a'])
tree.commit('add symlink')
os.unlink('tree/a')
self.build_tree_contents([
('tree/a/',),
('tree/a/f', 'content'),
])
tree.smart_add(['tree/a/f'])
tree.commit('change to dir')
tree.lock_read()
self.addCleanup(tree.unlock)
self.assertEquals([], list(tree.iter_changes(tree.basis_tree())))
if tree._format.supports_versioned_directories:
self.assertEquals(
['a', 'a/f'], sorted(info[0] for info in tree.list_files()))
else:
self.assertEquals([], list(tree.list_files()))
def test_dir_changes_to_symlink(self):
# <https://bugs.launchpad.net/bzr/+bug/192859>:
# we had some past problems with the workingtree remembering for too
# long what kind of object was at a particular name; we really
# shouldn't do that. Operating on the dirstate through passing
# inventory deltas rather than mutating the inventory largely avoids
# that.
tree = self.make_branch_and_tree('tree')
self.build_tree_contents([
('tree/a/',),
('tree/a/file', 'content'),
])
tree.smart_add(['tree/a'])
tree.commit('add dir')
osutils.rmtree('tree/a')
self.build_tree_contents([
('tree/a@', 'target'),
])
tree.commit('change to symlink')
class TestOpenTree(TestCaseWithWorkingTree):
_test_needs_features = [features.SymlinkFeature]
def test_open_containing_through_symlink(self):
self.make_test_tree()
self.check_open_containing('link/content', 'tree', 'content')
self.check_open_containing('link/sublink', 'tree', 'sublink')
# this next one is a bit debatable, but arguably it's better that
# open_containing is only concerned with opening the tree
# and then you can deal with symlinks along the way if you want
self.check_open_containing('link/sublink/subcontent', 'tree',
'sublink/subcontent')
def check_open_containing(self, to_open, expected_tree_name,
expected_relpath):
wt, relpath = workingtree.WorkingTree.open_containing(to_open)
self.assertEquals(relpath, expected_relpath)
self.assertEndsWith(wt.basedir, expected_tree_name)
def test_tree_files(self):
# not strictly a WorkingTree method, but it should be
# probably the root cause for
# <https://bugs.launchpad.net/bzr/+bug/128562>
self.make_test_tree()
self.check_tree_files(['tree/outerlink'],
'tree', ['outerlink'])
self.check_tree_files(['link/outerlink'],
'tree', ['outerlink'])
self.check_tree_files(['link/sublink/subcontent'],
'tree', ['subdir/subcontent'])
def check_tree_files(self, to_open, expected_tree, expect_paths):
tree, relpaths = workingtree.WorkingTree.open_containing_paths(to_open)
self.assertEndsWith(tree.basedir, expected_tree)
self.assertEquals(expect_paths, relpaths)
def make_test_tree(self):
tree = self.make_branch_and_tree('tree')
self.build_tree_contents([
('link@', 'tree'),
('tree/outerlink@', '/not/there'),
('tree/content', 'hello'),
('tree/sublink@', 'subdir'),
('tree/subdir/',),
('tree/subdir/subcontent', 'subcontent stuff')
])
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