Add unit tests for bodyfunctions. Merges #1494.

evennia/contrib/tutorial_examples/bodyfunctions.py

@@ -31,10 +31,12 @@ class BodyFunctions(DefaultScript):
         This gets called every self.interval seconds. We make
         a random check here so as to only return 33% of the time.
         """
-
         if random.random() < 0.66:
             # no message this time
             return
+        self.send_random_message()
+
+    def send_random_message(self):
         rand = random.random()
         # return a random message
         if rand < 0.1:

evennia/contrib/tutorial_examples/tests.py

@@ -0,0 +1,69 @@
+from mock import Mock, patch
+
+from evennia.utils.test_resources import EvenniaTest
+
+from .bodyfunctions import BodyFunctions
+
+@patch("evennia.contrib.tutorial_examples.bodyfunctions.random")
+class TestBodyFunctions(EvenniaTest):
+    script_typeclass = BodyFunctions
+
+    def setUp(self):
+        super(TestBodyFunctions, self).setUp()
+        self.script.obj = self.char1
+
+    def tearDown(self):
+        super(TestBodyFunctions, self).tearDown()
+        # if we forget to stop the script, DirtyReactorAggregateError will be raised
+        self.script.stop()
+
+    def test_at_repeat(self, mock_random):
+        """test that no message will be sent when below the 66% threshold"""
+        mock_random.random = Mock(return_value=0.5)
+        old_func = self.script.send_random_message
+        self.script.send_random_message = Mock()
+        self.script.at_repeat()
+        self.script.send_random_message.assert_not_called()
+        # test that random message will be sent
+        mock_random.random = Mock(return_value=0.7)
+        self.script.at_repeat()
+        self.script.send_random_message.assert_called()
+        self.script.send_random_message = old_func
+
+    def test_send_random_message(self, mock_random):
+        """Test that correct message is sent for each random value"""
+        old_func = self.char1.msg
+        self.char1.msg = Mock()
+        # test each of the values
+        mock_random.random = Mock(return_value=0.05)
+        self.script.send_random_message()
+        self.char1.msg.assert_called_with("You tap your foot, looking around.")
+        mock_random.random = Mock(return_value=0.15)
+        self.script.send_random_message()
+        self.char1.msg.assert_called_with("You have an itch. Hard to reach too.")
+        mock_random.random = Mock(return_value=0.25)
+        self.script.send_random_message()
+        self.char1.msg.assert_called_with("You think you hear someone behind you. ... "
+                                          "but when you look there's noone there.")
+        mock_random.random = Mock(return_value=0.35)
+        self.script.send_random_message()
+        self.char1.msg.assert_called_with("You inspect your fingernails. Nothing to report.")
+        mock_random.random = Mock(return_value=0.45)
+        self.script.send_random_message()
+        self.char1.msg.assert_called_with("You cough discreetly into your hand.")
+        mock_random.random = Mock(return_value=0.55)
+        self.script.send_random_message()
+        self.char1.msg.assert_called_with("You scratch your head, looking around.")
+        mock_random.random = Mock(return_value=0.65)
+        self.script.send_random_message()
+        self.char1.msg.assert_called_with("You blink, forgetting what it was you were going to do.")
+        mock_random.random = Mock(return_value=0.75)
+        self.script.send_random_message()
+        self.char1.msg.assert_called_with("You feel lonely all of a sudden.")
+        mock_random.random = Mock(return_value=0.85)
+        self.script.send_random_message()
+        self.char1.msg.assert_called_with("You get a great idea. Of course you won't tell anyone.")
+        mock_random.random = Mock(return_value=0.95)
+        self.script.send_random_message()
+        self.char1.msg.assert_called_with("You suddenly realize how much you love Evennia!")
+        self.char1.msg = old_func