# Copyright (C) 2006, 2007 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
"""Tests for the extra cases that WorkingTree.walkdirs can encounter."""
import os
from bzrlib import transform
from bzrlib.tests import SymlinkFeature
from bzrlib.tests.per_workingtree import TestCaseWithWorkingTree
# tests to write:
# type mismatches - file to link, dir, dir to file, link, link to file, dir
class DirBlock:
"""Object representation of the tuples returned by dirstate."""
def __init__(self, tree, file_path, file_name=None, id=None,
inventory_kind=None, stat=None, disk_kind='unknown'):
self.file_path = file_path
self.abspath = tree.abspath(file_path)
self.relpath = tree.relpath(file_path)
if file_name is None:
file_name = os.path.split(file_path)[-1]
if len(file_name) == 0:
file_name = os.path.split(file_path)[-2]
self.file_name = file_name
self.id = id
self.inventory_kind = inventory_kind
self.stat = stat
self.disk_kind = disk_kind
def as_tuple(self):
return (self.relpath, self.file_name, self.disk_kind,
self.stat, self.id, self.inventory_kind)
def as_dir_tuple(self):
return (self.relpath, self.id)
def __str__(self):
return """
file_path = %r
abspath = %r
relpath = %r
file_name = %r
id = %r
inventory_kind = %r
stat = %r
disk_kind = %r""" % (self.file_path, self.abspath, self.relpath,
self.file_name, self.id, self.inventory_kind, self.stat,
self.disk_kind)
class TestWalkdirs(TestCaseWithWorkingTree):
added='added'
missing='missing'
unknown='unknown'
def get_tree(self, file_status, prefix=None):
tree = self.make_branch_and_tree('.')
dirblocks = []
paths = [
file_status + ' file',
file_status + ' dir/',
file_status + ' dir/a file',
file_status + ' empty dir/',
]
self.build_tree(paths)
def add_dirblock(path, kind):
dirblock = DirBlock(tree, path)
if file_status != self.unknown:
dirblock.id = 'a ' + str(path).replace('/','-') + '-id'
dirblock.inventory_kind = kind
if file_status != self.missing:
dirblock.disk_kind = kind
dirblock.stat = os.lstat(dirblock.relpath)
dirblocks.append(dirblock)
add_dirblock(paths[0], 'file')
add_dirblock(paths[1], 'directory')
add_dirblock(paths[2], 'file')
add_dirblock(paths[3], 'directory')
if file_status != self.unknown:
tree.add(paths, [db.id for db in dirblocks])
if file_status == self.missing:
# now make the files be missing
tree.bzrdir.root_transport.delete(dirblocks[0].relpath)
tree.bzrdir.root_transport.delete_tree(dirblocks[1].relpath)
tree.bzrdir.root_transport.delete_tree(dirblocks[3].relpath)
expected_dirblocks = [
(('', tree.path2id('')),
[dirblocks[1].as_tuple(), dirblocks[3].as_tuple(),
dirblocks[0].as_tuple()]
),
(dirblocks[1].as_dir_tuple(),
[dirblocks[2].as_tuple()]
),
(dirblocks[3].as_dir_tuple(),
[]
),
]
if prefix:
expected_dirblocks = [e for e in expected_dirblocks
if len(e) > 0 and len(e[0]) > 0 and e[0][0] == prefix]
return tree, expected_dirblocks
def _test_walkdir(self, file_status, prefix=""):
result = []
tree, expected_dirblocks = self.get_tree(file_status, prefix)
tree.lock_read()
for dirinfo, dirblock in tree.walkdirs(prefix):
result.append((dirinfo, list(dirblock)))
tree.unlock()
# check each return value for debugging ease.
for pos, item in enumerate(expected_dirblocks):
result_pos = []
if len(result) > pos:
result_pos = result[pos]
self.assertEqual(item, result_pos)
self.assertEqual(expected_dirblocks, result)
def test_walkdir_unknowns(self):
"""unknown files and directories should be reported by walkdirs."""
self._test_walkdir(self.unknown)
def test_walkdir_from_unknown_dir(self):
"""Doing a walkdir when the requested prefix is unknown but on disk."""
self._test_walkdir(self.unknown, 'unknown dir')
def test_walkdir_missings(self):
"""missing files and directories should be reported by walkdirs."""
self._test_walkdir(self.missing)
def test_walkdir_from_dir(self):
"""Doing a walkdir when the requested prefix is known and on disk."""
self._test_walkdir(self.added, 'added dir')
def test_walkdir_from_empty_dir(self):
"""Doing a walkdir when the requested prefix is empty dir."""
self._test_walkdir(self.added, 'added empty dir')
def test_walkdir_from_missing_dir(self):
"""Doing a walkdir when the requested prefix is missing but on disk."""
self._test_walkdir(self.missing, 'missing dir')
def test_walkdirs_type_changes(self):
"""Walkdir shows the actual kinds on disk and the recorded kinds."""
self.requireFeature(SymlinkFeature)
tree = self.make_branch_and_tree('.')
paths = ['file1', 'file2', 'dir1/', 'dir2/']
ids = ['file1', 'file2', 'dir1', 'dir2']
self.build_tree(paths)
tree.add(paths, ids)
tt = transform.TreeTransform(tree)
root_transaction_id = tt.trans_id_tree_path('')
tt.new_symlink('link1',
root_transaction_id, 'link-target', 'link1')
tt.new_symlink('link2',
root_transaction_id, 'link-target', 'link2')
tt.apply()
tree.bzrdir.root_transport.delete_tree('dir1')
tree.bzrdir.root_transport.delete_tree('dir2')
tree.bzrdir.root_transport.delete('file1')
tree.bzrdir.root_transport.delete('file2')
tree.bzrdir.root_transport.delete('link1')
tree.bzrdir.root_transport.delete('link2')
changed_paths = ['dir1', 'file1/', 'link1', 'link2/']
self.build_tree(changed_paths)
os.symlink('target', 'dir2')
os.symlink('target', 'file2')
dir1_stat = os.lstat('dir1')
dir2_stat = os.lstat('dir2')
file1_stat = os.lstat('file1')
file2_stat = os.lstat('file2')
link1_stat = os.lstat('link1')
link2_stat = os.lstat('link2')
expected_dirblocks = [
(('', tree.path2id('')),
[('dir1', 'dir1', 'file', dir1_stat, 'dir1', 'directory'),
('dir2', 'dir2', 'symlink', dir2_stat, 'dir2', 'directory'),
('file1', 'file1', 'directory', file1_stat, 'file1', 'file'),
('file2', 'file2', 'symlink', file2_stat, 'file2', 'file'),
('link1', 'link1', 'file', link1_stat, 'link1', 'symlink'),
('link2', 'link2', 'directory', link2_stat, 'link2', 'symlink'),
]
),
(('dir1', 'dir1'),
[
]
),
(('dir2', 'dir2'),
[
]
),
(('file1', None),
[
]
),
(('link2', None),
[
]
),
]
tree.lock_read()
result = list(tree.walkdirs())
tree.unlock()
# check each return value for debugging ease.
for pos, item in enumerate(expected_dirblocks):
self.assertEqual(item, result[pos])
self.assertEqual(len(expected_dirblocks), len(result))
def test_walkdirs_type_changes_wo_symlinks(self):
# similar to test_walkdirs_type_changes
# but don't use symlinks for safe testing on win32
tree = self.make_branch_and_tree('.')
paths = ['file1', 'dir1/']
ids = ['file1', 'dir1']
self.build_tree(paths)
tree.add(paths, ids)
tree.bzrdir.root_transport.delete_tree('dir1')
tree.bzrdir.root_transport.delete('file1')
changed_paths = ['dir1', 'file1/']
self.build_tree(changed_paths)
dir1_stat = os.lstat('dir1')
file1_stat = os.lstat('file1')
expected_dirblocks = [
(('', tree.path2id('')),
[('dir1', 'dir1', 'file', dir1_stat, 'dir1', 'directory'),
('file1', 'file1', 'directory', file1_stat, 'file1', 'file'),
]
),
(('dir1', 'dir1'),
[
]
),
(('file1', None),
[
]
),
]
tree.lock_read()
result = list(tree.walkdirs())
tree.unlock()
# check each return value for debugging ease.
for pos, item in enumerate(expected_dirblocks):
self.assertEqual(item, result[pos])
self.assertEqual(len(expected_dirblocks), len(result))
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