Testing Abstract classes

lostplaces/lostplaces_app/tests/models/__init__.py

@@ -7,13 +7,14 @@ from django.test import TestCase
 
 class ModelTestCase:
     '''
-    Base class for Lostplaces models
+    Base class for ModelTests
     '''
     model = None
     model_name = None
 
     def setUp(self):
-        self.object = self.model.objects.get(id=1)
+        if not self.model._meta.abstract:
+            self.object = self.model.objects.get(id=1)
         self.model_name = self.model.__name__
 
     def _test_field(self, field_name, field_class, must_have={}, must_not_have={}):
@@ -26,7 +27,7 @@ class ModelTestCase:
         something that fullfills value == False (i.e. '' or 0)
         '''
         try:
-            field = self.object._meta.get_field(field_name)
+            field = self.model._meta.get_field(field_name)
         except FieldDoesNotExist:
             self.fail(
                 'Expecting %s to have a field named \'%s\'' % (

lostplaces/lostplaces_app/tests/models/test_abstract_models.py

@@ -0,0 +1,44 @@
+import datetime
+
+from django.test import TestCase
+from django.db import models
+from django.contrib.auth.models import User
+
+from lostplaces_app.models import Place, Taggable, MapablePoint
+from lostplaces_app.tests.models import ModelTestCase
+
+from taggit.managers import TaggableManager
+
+
+class TaggableTestCase(ModelTestCase, TestCase):
+
+    model = Taggable
+
+    def test_tags(self):
+        self._test_field('tags', TaggableManager)
+
+
+class MapablePointTestCase(ModelTestCase, TestCase):
+
+    model = MapablePoint
+
+    def test_name(self):
+        self._test_char_field(
+            field_name='name',
+            min_length=10,
+            max_length=100
+        )
+
+    def test_latitude(self):
+        self._test_float_field(
+            field_name='latitude',
+            min_value=-90,
+            max_value=90
+        )
+
+    def test_longitude(self):
+        self._test_float_field(
+            field_name='longitude',
+            min_value=-180,
+            max_value=180
+        )

lostplaces/lostplaces_app/tests/models/test_place_model.py

@@ -8,9 +8,6 @@ from django.contrib.auth.models import User
 from lostplaces_app.models import Place
 from lostplaces_app.tests.models import SubmittableTestCase
 
-
-from taggit.managers import TaggableManager
-
 class PlaceTestCase(SubmittableTestCase, TestCase):
     model = Place
     related_name = 'places'
@@ -35,12 +32,6 @@ class PlaceTestCase(SubmittableTestCase, TestCase):
         place.tags.add('I a tag', 'testlocation')
         place.save()
 
-    def test_name_field(self):
-        self._test_char_field(
-            field_name='name', 
-            min_length=10,
-            max_length=100
-        )
 
     def test_location(self):
         self._test_char_field(
@@ -49,26 +40,9 @@ class PlaceTestCase(SubmittableTestCase, TestCase):
             max_length=100
         )
 
-    def test_latitude(self):
-        self._test_float_field(
-            field_name='latitude', 
-            min_value=-90, 
-            max_value=90
-        )
-
-    def test_longitude(self):
-        self._test_float_field(
-            field_name='longitude',
-            min_value=-180, 
-            max_value=180
-        )
-
     def test_decsription(self):
         self._test_field('description', models.TextField)
 
-    def test_tags(self):
-        self._test_field('tags', TaggableManager)
-
     def test_average_latlon(self):
         '''
         Tests the average latitude/longitude calculation of a list