~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006-2010 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

"""Tests for handling of ignore files"""

from cStringIO import StringIO

from bzrlib import config, errors, ignores

from bzrlib.tests import TestCase, TestCaseInTempDir, TestCaseWithTransport

class TestParseIgnoreFile(TestCase):

    def test_parse_fancy(self):

        ignored = ignores.parse_ignore_file(StringIO(

                './rootdir\n'

                'randomfile*\n'

                'path/from/ro?t\n'

                'unicode\xc2\xb5\n' # u'\xb5'.encode('utf8')

                'dos\r\n'

                '\n' # empty line

                '#comment\n'

                ' xx \n' # whitespace

                '!RE:^\.z.*\n'

                '!!./.zcompdump\n'

                ))

        self.assertEqual(set(['./rootdir',

                          'randomfile*',

                          'path/from/ro?t',

                          u'unicode\xb5',

                          'dos',

                          ' xx ',

                          '!RE:^\.z.*',

                          '!!./.zcompdump',

                         ]), ignored)

    def test_parse_empty(self):

        ignored = ignores.parse_ignore_file(StringIO(''))

        self.assertEqual(set([]), ignored)

    def test_parse_non_utf8(self):

        """Lines with non utf 8 characters should be discarded."""

        ignored = ignores.parse_ignore_file(StringIO(

                'utf8filename_a\n'

                'invalid utf8\x80\n'

                'utf8filename_b\n'

                ))

        self.assertEqual(set([

                        'utf8filename_a',

                        'utf8filename_b',

                       ]), ignored)

class TestUserIgnores(TestCaseInTempDir):

    def test_create_if_missing(self):

        # $HOME should be set to '.'

        ignore_path = config.user_ignore_config_filename()

        self.failIfExists(ignore_path)

        user_ignores = ignores.get_user_ignores()

        self.assertEqual(set(ignores.USER_DEFAULTS), user_ignores)

        self.failUnlessExists(ignore_path)

        f = open(ignore_path, 'rb')

        try:

            entries = ignores.parse_ignore_file(f)

        finally:

            f.close()

        self.assertEqual(set(ignores.USER_DEFAULTS), entries)

    def test_use_existing(self):

        patterns = ['*.o', '*.py[co]', u'\xe5*']

        ignores._set_user_ignores(patterns)

        user_ignores = ignores.get_user_ignores()

        self.assertEqual(set(patterns), user_ignores)

    def test_use_empty(self):

        ignores._set_user_ignores([])

        ignore_path = config.user_ignore_config_filename()

        self.check_file_contents(ignore_path, '')

        self.assertEqual(set([]), ignores.get_user_ignores())

    def test_set(self):

        patterns = ['*.py[co]', '*.py[oc]']

        ignores._set_user_ignores(patterns)

        self.assertEqual(set(patterns), ignores.get_user_ignores())

        patterns = ['vim', '*.swp']

        ignores._set_user_ignores(patterns)

        self.assertEqual(set(patterns), ignores.get_user_ignores())

    def test_add(self):

        """Test that adding will not duplicate ignores"""

        # Create an empty file

        ignores._set_user_ignores([])

        patterns = ['foo', './bar', u'b\xe5z']

        added = ignores.add_unique_user_ignores(patterns)

        self.assertEqual(patterns, added)

        self.assertEqual(set(patterns), ignores.get_user_ignores())

    def test_add_directory(self):

        """Test that adding a directory will strip any trailing slash"""

        # Create an empty file

        ignores._set_user_ignores([])

        in_patterns = ['foo/', 'bar/', 'baz\\']

        added = ignores.add_unique_user_ignores(in_patterns)

        out_patterns = [ x.rstrip('/\\') for x in in_patterns ]

        self.assertEqual(out_patterns, added)

        self.assertEqual(set(out_patterns), ignores.get_user_ignores())

    def test_add_unique(self):

        """Test that adding will not duplicate ignores"""

        ignores._set_user_ignores(

            ['foo', './bar', u'b\xe5z', 'dir1/', 'dir3\\'])

        added = ignores.add_unique_user_ignores(

            ['xxx', './bar', 'xxx', 'dir1/', 'dir2/', 'dir3\\'])

        self.assertEqual(['xxx', 'dir2'], added)

        self.assertEqual(set(['foo', './bar', u'b\xe5z',

                              'xxx', 'dir1', 'dir2', 'dir3']),

                         ignores.get_user_ignores())

class TestRuntimeIgnores(TestCase):

    def setUp(self):

        TestCase.setUp(self)

        # For the purposes of these tests, we must have no

        # runtime ignores

        self.overrideAttr(ignores, '_runtime_ignores', set())

    def test_add(self):

        """Test that we can add an entry to the list."""

        self.assertEqual(set(), ignores.get_runtime_ignores())

        ignores.add_runtime_ignores(['foo'])

        self.assertEqual(set(['foo']), ignores.get_runtime_ignores())

    def test_add_duplicate(self):

        """Adding the same ignore twice shouldn't add a new entry."""

        ignores.add_runtime_ignores(['foo', 'bar'])

        self.assertEqual(set(['foo', 'bar']), ignores.get_runtime_ignores())

        ignores.add_runtime_ignores(['bar'])

        self.assertEqual(set(['foo', 'bar']), ignores.get_runtime_ignores())

class TestTreeIgnores(TestCaseWithTransport):

    def assertPatternsEquals(self, patterns):

        contents = open(".bzrignore", 'rU').read().strip().split('\n')

        self.assertEquals(sorted(patterns), sorted(contents))

    def test_new_file(self):

        tree = self.make_branch_and_tree(".")

        ignores.tree_ignores_add_patterns(tree, ["myentry"])

        self.assertTrue(tree.has_filename(".bzrignore"))

        self.assertPatternsEquals(["myentry"])

    def test_add_to_existing(self):

        tree = self.make_branch_and_tree(".")

        self.build_tree_contents([('.bzrignore', "myentry1\n")])

        tree.add([".bzrignore"])

        ignores.tree_ignores_add_patterns(tree, ["myentry2", "foo"])

        self.assertPatternsEquals(["myentry1", "myentry2", "foo"])

    def test_adds_ending_newline(self):

        tree = self.make_branch_and_tree(".")

        self.build_tree_contents([('.bzrignore', "myentry1")])

        tree.add([".bzrignore"])

        ignores.tree_ignores_add_patterns(tree, ["myentry2"])

        self.assertPatternsEquals(["myentry1", "myentry2"])

        text = open(".bzrignore", 'r').read()

        self.assertTrue(text.endswith('\r\n') or

                        text.endswith('\n') or

                        text.endswith('\r'))

    def test_does_not_add_dupe(self):

        tree = self.make_branch_and_tree(".")

        self.build_tree_contents([('.bzrignore', "myentry\n")])

        tree.add([".bzrignore"])

        ignores.tree_ignores_add_patterns(tree, ["myentry"])

        self.assertPatternsEquals(["myentry"])

    def test_non_ascii(self):

        tree = self.make_branch_and_tree(".")

        self.build_tree_contents([('.bzrignore',

                                   u"myentry\u1234\n".encode('utf-8'))])

        tree.add([".bzrignore"])

        ignores.tree_ignores_add_patterns(tree, [u"myentry\u5678"])

        self.assertPatternsEquals([u"myentry\u1234".encode('utf-8'),

                                   u"myentry\u5678".encode('utf-8')])

    def test_crlf(self):

        tree = self.make_branch_and_tree(".")

        self.build_tree_contents([('.bzrignore', "myentry1\r\n")])

        tree.add([".bzrignore"])

        ignores.tree_ignores_add_patterns(tree, ["myentry2", "foo"])

        self.assertEquals(open('.bzrignore', 'rb').read(), 'myentry1\r\nmyentry2\r\nfoo\r\n')

        self.assertPatternsEquals(["myentry1", "myentry2", "foo"])