From 088d748f2cb51f03f3bcacc0fb3af1e0f9607737 Mon Sep 17 00:00:00 2001
From: Sean Quah <8349537+squahtx@users.noreply.github.com>
Date: Tue, 7 Dec 2021 13:51:11 +0000
Subject: Revert "Move `glob_to_regex` and `re_word_boundary` to
 `matrix-python-common` (#11505) (#11527)

This reverts commit a77c36989785c0d5565ab9a1169f4f88e512ce8a.
---
 tests/util/test_glob_to_regex.py | 59 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 tests/util/test_glob_to_regex.py

(limited to 'tests/util')

diff --git a/tests/util/test_glob_to_regex.py b/tests/util/test_glob_to_regex.py
new file mode 100644
index 0000000000..220accb92b
--- /dev/null
+++ b/tests/util/test_glob_to_regex.py
@@ -0,0 +1,59 @@
+# 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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