plug the cypher system roller into the irc plugin

Signed-off-by: Brian S. Stephan <bss@incorporeal.org>

tests/test_dice_ircplugin.py

@@ -0,0 +1,48 @@
+"""Test IRC behavior of the dice plugin."""
+import re
+from unittest import mock
+
+from django.test import TestCase
+
+import dice.ircplugin
+from ircbot.models import IrcServer
+
+
+class MarkovTestCase(TestCase):
+    """Test the markov plugin."""
+
+    fixtures = ['tests/fixtures/irc_server_fixture.json']
+
+    def setUp(self):
+        """Create common objects."""
+        self.mock_bot = mock.MagicMock()
+        self.mock_connection = mock.MagicMock()
+
+        self.mock_connection.get_nickname.return_value = 'test_bot'
+        self.mock_connection.server_config = IrcServer.objects.get(pk=1)
+
+        self.plugin = dice.ircplugin.Dice(self.mock_bot, self.mock_connection, mock.MagicMock())
+
+    def test_cypher_roll_strings(self):
+        """Simulate incoming Cypher System requests."""
+        mock_event = mock.MagicMock()
+        mock_event.arguments = ['!cypher T3']
+        mock_event.source = 'test!test@test'
+        mock_event.target = '#test'
+        mock_event.recursing = False
+
+        match = re.search(dice.ircplugin.CYPHER_COMMAND_REGEX, '!cypher T3')
+        with mock.patch('random.SystemRandom.randint', return_value=17):
+            self.plugin.handle_cypher_roll(self.mock_connection, mock_event, match)
+        self.mock_bot.reply.assert_called_with(
+            mock_event,
+            'test: your check 9succeeded, with +1 damage! 14(d20=17 vs. diff. 3)'
+        )
+
+        match = re.search(dice.ircplugin.CYPHER_COMMAND_REGEX, '!cypher +1')
+        with mock.patch('random.SystemRandom.randint', return_value=17):
+            self.plugin.handle_cypher_roll(self.mock_connection, mock_event, match)
+        self.mock_bot.reply.assert_called_with(
+            mock_event,
+            'test: your check beats a difficulty 4 task, with +1 damage! 14(d20=17 with +1 levels)'
+        )