2 files changed, 114 insertions, 0 deletions
diff --git a/tests/pydis_core/utils/test_cooldown.py b/tests/pydis_core/utils/test_cooldown.py
new file mode 100644
index 00000000..eed16da3
--- /dev/null
+++ b/tests/pydis_core/utils/test_cooldown.py
@@ -0,0 +1,49 @@
+import unittest
+from unittest.mock import patch
+
+from pydis_core.utils.cooldown import _CommandCooldownManager, _create_argument_tuple
+
+
+class CommandCooldownManagerTests(unittest.IsolatedAsyncioTestCase):
+    test_call_args = (
+        _create_argument_tuple(0),
+        _create_argument_tuple(a=0),
+        _create_argument_tuple([]),
+        _create_argument_tuple(a=[]),
+        _create_argument_tuple(1, 2, 3, a=4, b=5, c=6),
+        _create_argument_tuple([1], [2], [3], a=[4], b=[5], c=[6]),
+        _create_argument_tuple([1], 2, [3], a=4, b=[5], c=6),
+    )
+
+    async def asyncSetUp(self):
+        self.cooldown_manager = _CommandCooldownManager(cooldown_duration=5)
+
+    def test_no_cooldown_on_unset(self):
+        for call_args in self.test_call_args:
+            with self.subTest(arguments_tuple=call_args, channel=0):
+                self.assertFalse(self.cooldown_manager.is_on_cooldown(0, call_args))
+
+        for call_args in self.test_call_args:
+            with self.subTest(arguments_tuple=call_args, channel=1):
+                self.assertFalse(self.cooldown_manager.is_on_cooldown(1, call_args))
+
+    @patch("time.monotonic")
+    def test_cooldown_is_set(self, monotonic):
+        monotonic.side_effect = lambda: 0
+        for call_args in self.test_call_args:
+            with self.subTest(arguments_tuple=call_args):
+                self.cooldown_manager.set_cooldown(0, call_args)
+                self.assertTrue(self.cooldown_manager.is_on_cooldown(0, call_args))
+
+    @patch("time.monotonic")
+    def test_cooldown_expires(self, monotonic):
+        for call_args in self.test_call_args:
+            monotonic.side_effect = (0, 1000)
+            with self.subTest(arguments_tuple=call_args):
+                self.cooldown_manager.set_cooldown(0, call_args)
+                self.assertFalse(self.cooldown_manager.is_on_cooldown(0, call_args))
+
+    def test_keywords_and_tuples_differentiated(self):
+        self.cooldown_manager.set_cooldown(0, _create_argument_tuple(("a", 0)))
+        self.assertFalse(self.cooldown_manager.is_on_cooldown(0, _create_argument_tuple(a=0)))
+        self.assertTrue(self.cooldown_manager.is_on_cooldown(0, _create_argument_tuple(("a", 0))))
diff --git a/tests/pydis_core/utils/test_regex.py b/tests/pydis_core/utils/test_regex.py
new file mode 100644
index 00000000..01a2412b
--- /dev/null
+++ b/tests/pydis_core/utils/test_regex.py
@@ -0,0 +1,65 @@
+import unittest
+from typing import Optional
+
+from pydis_core.utils.regex import DISCORD_INVITE
+
+
+def match_regex(s: str) -> Optional[str]:
+    """Helper function to run re.match on a string.
+
+    Return the invite capture group, if the string matches the pattern
+        else return None
+    """
+    result = DISCORD_INVITE.match(s)
+    return result if result is None else result.group("invite")
+
+
+def search_regex(s: str) -> Optional[str]:
+    """Helper function to run re.search on a string.
+
+    Return the invite capture group, if the string matches the pattern
+        else return None
+    """
+    result = DISCORD_INVITE.search(s)
+    return result if result is None else result.group("invite")
+
+
+class UtilsRegexTests(unittest.TestCase):
+
+    def test_discord_invite_positives(self):
+        """Test the DISCORD_INVITE regex on a set of strings we would expect to capture."""
+
+        self.assertEqual(match_regex("discord.gg/python"), "python")
+        self.assertEqual(match_regex("https://discord.gg/python"), "python")
+        self.assertEqual(match_regex("https://www.discord.gg/python"), "python")
+        self.assertEqual(match_regex("discord.com/invite/python"), "python")
+        self.assertEqual(match_regex("www.discord.com/invite/python"), "python")
+        self.assertEqual(match_regex("discordapp.com/invite/python"), "python")
+        self.assertEqual(match_regex("discord.me/python"), "python")
+        self.assertEqual(match_regex("discord.li/python"), "python")
+        self.assertEqual(match_regex("discord.io/python"), "python")
+        self.assertEqual(match_regex(".gg/python"), "python")
+
+        self.assertEqual(match_regex("discord.gg/python/but/extra"), "python/but/extra")
+        self.assertEqual(match_regex("discord.me/this/isnt/python"), "this/isnt/python")
+        self.assertEqual(match_regex(".gg/a/a/a/a/a/a/a/a/a/a/a"), "a/a/a/a/a/a/a/a/a/a/a")
+        self.assertEqual(match_regex("discordapp.com/invite/python/snakescord"), "python/snakescord")
+        self.assertEqual(match_regex("http://discord.gg/python/%20/notpython"), "python/%20/notpython")
+        self.assertEqual(match_regex("discord.gg/python?=ts/notpython"), "python?=ts/notpython")
+        self.assertEqual(match_regex("https://discord.gg/python#fragment/notpython"), "python#fragment/notpython")
+        self.assertEqual(match_regex("https://discord.gg/python/~/notpython"), "python/~/notpython")
+
+        self.assertEqual(search_regex("https://discord.gg/python with whitespace"), "python")
+        self.assertEqual(search_regex(" https://discord.gg/python "), "python")
+
+    def test_discord_invite_negatives(self):
+        """Test the DISCORD_INVITE regex on a set of strings we would expect to not capture."""
+
+        self.assertEqual(match_regex("another string"), None)
+        self.assertEqual(match_regex("https://pythondiscord.com"), None)
+        self.assertEqual(match_regex("https://discord.com"), None)
+        self.assertEqual(match_regex("https://discord.gg"), None)
+        self.assertEqual(match_regex("https://discord.gg/ python"), None)
+
+        self.assertEqual(search_regex("https://discord.com with whitespace"), None)
+        self.assertEqual(search_regex(" https://discord.com "), None)