2 files changed, 59 insertions, 0 deletions
diff --git a/tests/cogs/__init__.py b/tests/cogs/__init__.py
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/tests/cogs/__init__.py
diff --git a/tests/cogs/test_security.py b/tests/cogs/test_security.py
new file mode 100644
index 000000000..6c646ae70
--- /dev/null
+++ b/tests/cogs/test_security.py
@@ -0,0 +1,59 @@
+import logging
+import unittest
+from unittest.mock import MagicMock
+
+from discord.ext.commands import NoPrivateMessage
+
+from bot.cogs import security
+
+
+class SecurityCogTests(unittest.TestCase):
+    """Tests the `Security` cog."""
+
+    def setUp(self):
+        """Attach an instance of the cog to the class for tests."""
+        self.bot = MagicMock()
+        self.cog = security.Security(self.bot)
+        self.ctx = MagicMock()
+        self.ctx.author = MagicMock()
+
+    def test_check_additions(self):
+        """The cog should add its checks after initialization."""
+        self.bot.check.assert_any_call(self.cog.check_on_guild)
+        self.bot.check.assert_any_call(self.cog.check_not_bot)
+
+    def test_check_not_bot_returns_false_for_humans(self):
+        """The bot check should return `True` when invoked with human authors."""
+        self.ctx.author.bot = False
+        self.assertTrue(self.cog.check_not_bot(self.ctx))
+
+    def test_check_not_bot_returns_true_for_robots(self):
+        """The bot check should return `False` when invoked with robotic authors."""
+        self.ctx.author.bot = True
+        self.assertFalse(self.cog.check_not_bot(self.ctx))
+
+    def test_check_on_guild_raises_when_outside_of_guild(self):
+        """When invoked outside of a guild, `check_on_guild` should cause an error."""
+        self.ctx.guild = None
+
+        with self.assertRaises(NoPrivateMessage, msg="This command cannot be used in private messages."):
+            self.cog.check_on_guild(self.ctx)
+
+    def test_check_on_guild_returns_true_inside_of_guild(self):
+        """When invoked inside of a guild, `check_on_guild` should return `True`."""
+        self.ctx.guild = "lemon's lemonade stand"
+        self.assertTrue(self.cog.check_on_guild(self.ctx))
+
+
+class SecurityCogLoadTests(unittest.TestCase):
+    """Tests loading the `Security` cog."""
+
+    def test_security_cog_load(self):
+        """Cog loading logs a message at `INFO` level."""
+        bot = MagicMock()
+        with self.assertLogs(logger='bot.cogs.security', level=logging.INFO) as cm:
+            security.setup(bot)
+            bot.add_cog.assert_called_once()
+
+        [line] = cm.output
+        self.assertIn("Cog loaded: Security", line)