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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")
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