import unittest

from test.test_support import run_unittest, TESTFN

import glob

import os

import shutil

class GlobTests(unittest.TestCase):

    def norm(self, *parts):

        return os.path.normpath(os.path.join(self.tempdir, *parts))

    def mktemp(self, *parts):

        filename = self.norm(*parts)

        base, file = os.path.split(filename)

        if not os.path.exists(base):

            os.makedirs(base)

        f = open(filename, 'w')

        f.close()

    def setUp(self):

        self.tempdir = TESTFN+"_dir"

        self.mktemp('a', 'D')

        self.mktemp('aab', 'F')

        self.mktemp('aaa', 'zzzF')

        self.mktemp('ZZZ')

        self.mktemp('a', 'bcd', 'EF')

        self.mktemp('a', 'bcd', 'efg', 'ha')

        if hasattr(os, 'symlink'):

            os.symlink(self.norm('broken'), self.norm('sym1'))

            os.symlink(self.norm('broken'), self.norm('sym2'))

    def tearDown(self):

        shutil.rmtree(self.tempdir)

    def glob(self, *parts):

        if len(parts) == 1:

            pattern = parts[0]

        else:

            pattern = os.path.join(*parts)

        p = os.path.join(self.tempdir, pattern)

        res = glob.glob(p)

        self.assertEqual(list(glob.iglob(p)), res)

        return res

    def assertSequencesEqual_noorder(self, l1, l2):

        self.assertEqual(set(l1), set(l2))

    def test_glob_literal(self):

        eq = self.assertSequencesEqual_noorder

        eq(self.glob('a'), [self.norm('a')])

        eq(self.glob('a', 'D'), [self.norm('a', 'D')])

        eq(self.glob('aab'), [self.norm('aab')])

        eq(self.glob('zymurgy'), [])

    def test_glob_one_directory(self):

        eq = self.assertSequencesEqual_noorder

        eq(self.glob('a*'), map(self.norm, ['a', 'aab', 'aaa']))

        eq(self.glob('*a'), map(self.norm, ['a', 'aaa']))

        eq(self.glob('aa?'), map(self.norm, ['aaa', 'aab']))

        eq(self.glob('aa[ab]'), map(self.norm, ['aaa', 'aab']))

        eq(self.glob('*q'), [])

    def test_glob_nested_directory(self):

        eq = self.assertSequencesEqual_noorder

        if os.path.normcase("abCD") == "abCD":

            # case-sensitive filesystem

            eq(self.glob('a', 'bcd', 'E*'), [self.norm('a', 'bcd', 'EF')])

        else:

            # case insensitive filesystem

            eq(self.glob('a', 'bcd', 'E*'), [self.norm('a', 'bcd', 'EF'),

                                             self.norm('a', 'bcd', 'efg')])

        eq(self.glob('a', 'bcd', '*g'), [self.norm('a', 'bcd', 'efg')])

    def test_glob_directory_names(self):

        eq = self.assertSequencesEqual_noorder

        eq(self.glob('*', 'D'), [self.norm('a', 'D')])

        eq(self.glob('*', '*a'), [])

        eq(self.glob('a', '*', '*', '*a'),

           [self.norm('a', 'bcd', 'efg', 'ha')])

        eq(self.glob('?a?', '*F'), map(self.norm, [os.path.join('aaa', 'zzzF'),

                                                   os.path.join('aab', 'F')]))

    def test_glob_directory_with_trailing_slash(self):

        # We are verifying that when there is wildcard pattern which

        # ends with os.sep doesn't blow up.

        res = glob.glob(self.tempdir + '*' + os.sep)

        self.assertEqual(len(res), 1)

        # either of these results are reasonable

        self.assertTrue(res[0] in [self.tempdir, self.tempdir + os.sep])

    def test_glob_broken_symlinks(self):

        if hasattr(os, 'symlink'):

            eq = self.assertSequencesEqual_noorder

            eq(self.glob('sym*'), [self.norm('sym1'), self.norm('sym2')])

            eq(self.glob('sym1'), [self.norm('sym1')])

            eq(self.glob('sym2'), [self.norm('sym2')])

def test_main():

    run_unittest(GlobTests)

if __name__ == "__main__":

    test_main()