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test_glob_to_regex.py 2.56 KiB
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  • # Copyright 2021 The Matrix.org Foundation C.I.C.
    #
    # 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.
    from synapse.util import glob_to_regex
    
    from tests.unittest import TestCase
    
    
    class GlobToRegexTestCase(TestCase):
        def test_literal_match(self):
            """patterns without wildcards should match"""
            pat = glob_to_regex("foobaz")
            self.assertTrue(
                pat.match("FoobaZ"), "patterns should match and be case-insensitive"
            )
            self.assertFalse(
                pat.match("x foobaz"), "pattern should not match at word boundaries"
            )
    
        def test_wildcard_match(self):
            pat = glob_to_regex("f?o*baz")
    
            self.assertTrue(
                pat.match("FoobarbaZ"),
                "* should match string and pattern should be case-insensitive",
            )
            self.assertTrue(pat.match("foobaz"), "* should match 0 characters")
            self.assertFalse(pat.match("fooxaz"), "the character after * must match")
            self.assertFalse(pat.match("fobbaz"), "? should not match 0 characters")
            self.assertFalse(pat.match("fiiobaz"), "? should not match 2 characters")
    
        def test_multi_wildcard(self):
            """patterns with multiple wildcards in a row should match"""
            pat = glob_to_regex("**baz")
            self.assertTrue(pat.match("agsgsbaz"), "** should match any string")
            self.assertTrue(pat.match("baz"), "** should match the empty string")
            self.assertEqual(pat.pattern, r"\A.{0,}baz\Z")
    
            pat = glob_to_regex("*?baz")
            self.assertTrue(pat.match("agsgsbaz"), "*? should match any string")
            self.assertTrue(pat.match("abaz"), "*? should match a single char")
            self.assertFalse(pat.match("baz"), "*? should not match the empty string")
            self.assertEqual(pat.pattern, r"\A.{1,}baz\Z")
    
            pat = glob_to_regex("a?*?*?baz")
            self.assertTrue(pat.match("a g baz"), "?*?*? should match 3 chars")
            self.assertFalse(pat.match("a..baz"), "?*?*? should not match 2 chars")
            self.assertTrue(pat.match("a.gg.baz"), "?*?*? should match 4 chars")
            self.assertEqual(pat.pattern, r"\Aa.{3,}baz\Z")