1 files changed, 49 insertions, 0 deletions
diff --git a/tests/botcore/utils/test_cooldown.py b/tests/botcore/utils/test_cooldown.py
new file mode 100644
index 00000000..00e5a052
--- /dev/null
+++ b/tests/botcore/utils/test_cooldown.py
@@ -0,0 +1,49 @@
+import unittest
+from unittest.mock import patch
+
+from botcore.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))))