/brz/remove-bazaar

# Copyright (C) 2005 by 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

"""Tests for the osutils wrapper.

"""

import errno

import os

import socket

import stat

import sys

import bzrlib

from bzrlib.errors import BzrBadParameterNotUnicode

import bzrlib.osutils as osutils

from bzrlib.tests import TestCaseInTempDir, TestCase

class TestOSUtils(TestCaseInTempDir):

    def test_fancy_rename(self):

        # This should work everywhere

        def rename(a, b):

            osutils.fancy_rename(a, b,

                    rename_func=os.rename,

                    unlink_func=os.unlink)

        open('a', 'wb').write('something in a\n')

        rename('a', 'b')

        self.failIfExists('a')

        self.failUnlessExists('b')

        self.check_file_contents('b', 'something in a\n')

        open('a', 'wb').write('new something in a\n')

        rename('b', 'a')

        self.check_file_contents('a', 'something in a\n')

    def test_rename(self):

        # Rename should be semi-atomic on all platforms

        open('a', 'wb').write('something in a\n')

        osutils.rename('a', 'b')

        self.failIfExists('a')

        self.failUnlessExists('b')

        self.check_file_contents('b', 'something in a\n')

        open('a', 'wb').write('new something in a\n')

        osutils.rename('b', 'a')

        self.check_file_contents('a', 'something in a\n')

    # TODO: test fancy_rename using a MemoryTransport

    def test_01_rand_chars_empty(self):

        result = osutils.rand_chars(0)

        self.assertEqual(result, '')

    def test_02_rand_chars_100(self):

        result = osutils.rand_chars(100)

        self.assertEqual(len(result), 100)

        self.assertEqual(type(result), str)

        self.assertContainsRe(result, r'^[a-z0-9]{100}$')

    def test_rmtree(self):

        # Check to remove tree with read-only files/dirs

        os.mkdir('dir')

        f = file('dir/file', 'w')

        f.write('spam')

        f.close()

        # would like to also try making the directory readonly, but at the

        # moment python shutil.rmtree doesn't handle that properly - it would

        # need to chmod the directory before removing things inside it - deferred

        # for now -- mbp 20060505

        # osutils.make_readonly('dir')

        osutils.make_readonly('dir/file')

        osutils.rmtree('dir')

        self.failIfExists('dir/file')

        self.failIfExists('dir')

    def test_file_kind(self):

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

        self.assertEquals('file', osutils.file_kind('file'))

        self.assertEquals('directory', osutils.file_kind('dir/'))

        if osutils.has_symlinks():

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

            self.assertEquals('symlink', osutils.file_kind('symlink'))

        # TODO: jam 20060529 Test a block device

        try:

            os.lstat('/dev/null')

        except OSError, e:

            if e.errno not in (errno.ENOENT,):

                raise

        else:

            self.assertEquals('chardev', osutils.file_kind('/dev/null'))

        mkfifo = getattr(os, 'mkfifo', None)

        if mkfifo:

            mkfifo('fifo')

            try:

                self.assertEquals('fifo', osutils.file_kind('fifo'))

            finally:

                os.remove('fifo')

        AF_UNIX = getattr(socket, 'AF_UNIX', None)

        if AF_UNIX:

            s = socket.socket(AF_UNIX)

            s.bind('socket')

            try:

                self.assertEquals('socket', osutils.file_kind('socket'))

            finally:

                os.remove('socket')

class TestSafeUnicode(TestCase):

    def test_from_ascii_string(self):

        self.assertEqual(u'foobar', osutils.safe_unicode('foobar'))

    def test_from_unicode_string_ascii_contents(self):

        self.assertEqual(u'bargam', osutils.safe_unicode(u'bargam'))

    def test_from_unicode_string_unicode_contents(self):

        self.assertEqual(u'bargam\xae', osutils.safe_unicode(u'bargam\xae'))

    def test_from_utf8_string(self):

        self.assertEqual(u'foo\xae', osutils.safe_unicode('foo\xc2\xae'))

    def test_bad_utf8_string(self):

        self.assertRaises(BzrBadParameterNotUnicode,

                          osutils.safe_unicode,

                          '\xbb\xbb')

class TestSplitLines(TestCase):

    def test_split_unicode(self):

        self.assertEqual([u'foo\n', u'bar\xae'],

                         osutils.split_lines(u'foo\nbar\xae'))

        self.assertEqual([u'foo\n', u'bar\xae\n'],

                         osutils.split_lines(u'foo\nbar\xae\n'))

    def test_split_with_carriage_returns(self):

        self.assertEqual(['foo\rbar\n'],

                         osutils.split_lines('foo\rbar\n'))