django context coverage

django_pyvows/context.py

@@ -17,6 +17,8 @@ class DjangoContext(Vows.Context):
 
     def __init__(self, parent):
         super(DjangoContext, self).__init__(parent)
+        if not hasattr(self, '_get_settings'):
+            raise RuntimeError('The context %s needs a _get_settings method that returns the DJANGO_SETTINGS_MODULE environment variable value.' % self.__class__.__name__)
         os.environ['DJANGO_SETTINGS_MODULE'] = self._get_settings()
 
         #Gotta set settings environment variable first
@@ -24,10 +26,6 @@ class DjangoContext(Vows.Context):
 
         setup_test_environment()
 
-
-    def _get_settings(self):
-        return 'settings'
-
     def _url(self, path):
         return Url(self, path)
 

vows/context_vows.py

@@ -8,4 +8,24 @@
 # http://www.opensource.org/licenses/mit-license
 # Copyright (c) 2011 Rafael Caricio rafael@caricio.com
 
-from pyvows import Vows
+from pyvows import Vows, expect
+
+from django_pyvows.context import DjangoContext
+
+class DjangoFailedContext(DjangoContext):
+    pass
+
+@Vows.batch
+class ContextTest(Vows.Context):
+
+    def topic(self):
+        return DjangoFailedContext(self)
+
+    def should_be_an_error(self, topic):
+        expect(topic).to_be_an_error()
+
+    def should_be_runtime_error(self, topic):
+        expect(topic).to_be_an_error_like(RuntimeError)
+
+    def should_have_nice_error_message(self, topic):
+        expect(topic).to_have_an_error_message_of('The context DjangoFailedContext needs a _get_settings method that returns the DJANGO_SETTINGS_MODULE environment variable value.')