# Copyright 2009 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Test for glob using fake_filesystem."""

import contextlib
import glob
import os
import sys
import unittest

from pyfakefs import fake_filesystem_unittest


class FakeGlobUnitTest(fake_filesystem_unittest.TestCase):
    def setUp(self):
        self.setUpPyfakefs()
        directory = "./xyzzy"
        self.fs.create_dir(directory)
        self.fs.create_dir("%s/subdir" % directory)
        self.fs.create_dir("%s/subdir2" % directory)
        self.fs.create_file("%s/subfile" % directory)
        self.fs.create_file("[Temp]")

    def test_glob_empty(self):
        self.assertEqual(glob.glob(""), [])

    def test_glob_star(self):
        basedir = "/xyzzy"
        self.assertEqual(
            [
                os.path.join(basedir, "subdir"),
                os.path.join(basedir, "subdir2"),
                os.path.join(basedir, "subfile"),
            ],
            sorted(glob.glob("/xyzzy/*")),
        )

    def test_glob_exact(self):
        self.assertEqual(["/xyzzy"], glob.glob("/xyzzy"))
        self.assertEqual(["/xyzzy/subfile"], glob.glob("/xyzzy/subfile"))

    def test_glob_question(self):
        basedir = "/xyzzy"
        self.assertEqual(
            [
                os.path.join(basedir, "subdir"),
                os.path.join(basedir, "subdir2"),
                os.path.join(basedir, "subfile"),
            ],
            sorted(glob.glob("/x?zz?/*")),
        )

    def test_glob_no_magic(self):
        self.assertEqual(["/xyzzy"], glob.glob("/xyzzy"))
        self.assertEqual(["/xyzzy/subdir"], glob.glob("/xyzzy/subdir"))

    def test_non_existent_path(self):
        self.assertEqual([], glob.glob("nonexistent"))

    def test_magic_dir(self):
        self.assertEqual(["/[Temp]"], glob.glob("/*emp*"))

    @unittest.skipIf(sys.version_info >= (3, 15), "glob1 removed in Python 3.15.")
    def test_glob1(self):
        warning_context = (
            contextlib.nullcontext()
            if sys.version_info < (3, 13)
            else self.assertWarns(DeprecationWarning)
        )
        with warning_context:
            self.assertEqual(["[Temp]"], glob.glob1("/", "*Tem*"))

    def test_has_magic(self):
        self.assertTrue(glob.has_magic("["))
        self.assertFalse(glob.has_magic("a"))


if __name__ == "__main__":
    unittest.main()
