/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 os

import sys

import bzrlib

from bzrlib.errors import BzrBadParameterNotUnicode, InvalidURL

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')

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 TestWin32Funcs(TestCase):

    """Test that the _win32 versions of os utilities return appropriate paths."""

    def test_abspath(self):

        self.assertEqual('C:/foo', osutils._win32_abspath('C:\\foo'))

        self.assertEqual('C:/foo', osutils._win32_abspath('C:/foo'))

    def test_realpath(self):

        self.assertEqual('C:/foo', osutils._win32_realpath('C:\\foo'))

        self.assertEqual('C:/foo', osutils._win32_realpath('C:/foo'))

    def test_pathjoin(self):

        self.assertEqual('path/to/foo', osutils._win32_pathjoin('path', 'to', 'foo'))

        self.assertEqual('C:/foo', osutils._win32_pathjoin('path\\to', 'C:\\foo'))

        self.assertEqual('C:/foo', osutils._win32_pathjoin('path/to', 'C:/foo'))

        self.assertEqual('path/to/foo', osutils._win32_pathjoin('path/to/', 'foo'))

        self.assertEqual('/foo', osutils._win32_pathjoin('C:/path/to/', '/foo'))

        self.assertEqual('/foo', osutils._win32_pathjoin('C:\\path\\to\\', '\\foo'))

    def test_normpath(self):

        self.assertEqual('path/to/foo', osutils._win32_normpath(r'path\\from\..\to\.\foo'))

        self.assertEqual('path/to/foo', osutils._win32_normpath('path//from/../to/./foo'))

    def test_getcwd(self):

        self.assertEqual(os.getcwdu().replace('\\', '/'), osutils._win32_getcwd())

class TestWin32FuncsDirs(TestCaseInTempDir):

    """Test win32 functions that create files."""

    def test_getcwd(self):

        # Make sure getcwd can handle unicode filenames

        try:

            os.mkdir(u'B\xe5gfors')

        except UnicodeError:

            raise TestSkipped("Unable to create Unicode filename")

        os.chdir(u'B\xe5gfors')

        # TODO: jam 20060427 This will probably fail on Mac OSX because

        #       it will change the normalization of B\xe5gfors

        #       Consider using a different unicode character, or make

        #       osutils.getcwd() renormalize the path.

        self.assertTrue(osutils._win32_getcwd().endswith(u'/B\xe5gfors'))

    def test_mkdtemp(self):

        tmpdir = osutils._win32_mkdtemp(dir='.')

        self.assertFalse('\\' in tmpdir)

    def test_rename(self):

        a = open('a', 'wb')

        a.write('foo\n')

        a.close()

        b = open('b', 'wb')

        b.write('baz\n')

        b.close()

        osutils._win32_rename('b', 'a')

        self.failUnlessExists('a')

        self.failIfExists('b')

        self.assertFileEqual('baz\n', 'a')

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'))