Used skipIf decorator to skip image tests when PIL is not available

tests/regressiontests/model_fields/imagefield.py

@@ -6,15 +6,20 @@ import shutil
 from django.core.files import File
 from django.core.files.images import ImageFile
 from django.test import TestCase
+from django.utils.unittest import skipIf
 
-from .models import (Image, Person, PersonWithHeight, PersonWithHeightAndWidth,
+from .models import Image
-    PersonDimensionsFirst, PersonTwoImages, TestImageFieldFile)
 
-
-# If PIL available, do these tests.
 if Image:
-
+    from .models import (Person, PersonWithHeight, PersonWithHeightAndWidth,
+        PersonDimensionsFirst, PersonTwoImages, TestImageFieldFile)
     from .models import temp_storage_dir
+else:
+    # PIL not available, create dummy classes (tests will be skipped anyway)
+    class Person():
+        pass
+    PersonWithHeight = PersonWithHeightAndWidth = PersonDimensionsFirst = Person
+    PersonTwoImages = Person
 
 
 class ImageFieldTestMixin(object):
@@ -83,6 +88,7 @@ if Image:
             self.assertEqual(getattr(instance, height_field_name), height)
 
 
+@skipIf(Image is None, "PIL is required to test ImageField")
 class ImageFieldTests(ImageFieldTestMixin, TestCase):
     """
     Tests for ImageField that don't need to be run with each of the
@@ -169,6 +175,7 @@ if Image:
         self.assertEqual(p.mugshot, loaded_p.mugshot)
 
 
+@skipIf(Image is None, "PIL is required to test ImageField")
 class ImageFieldTwoDimensionsTests(ImageFieldTestMixin, TestCase):
     """
     Tests behavior of an ImageField and its dimensions fields.
@@ -282,6 +289,7 @@ if Image:
         self.assertEqual(p.mugshot.was_opened, True)
 
 
+@skipIf(Image is None, "PIL is required to test ImageField")
 class ImageFieldNoDimensionsTests(ImageFieldTwoDimensionsTests):
     """
     Tests behavior of an ImageField with no dimension fields.
@@ -290,6 +298,7 @@ if Image:
     PersonModel = Person
 
 
+@skipIf(Image is None, "PIL is required to test ImageField")
 class ImageFieldOneDimensionTests(ImageFieldTwoDimensionsTests):
     """
     Tests behavior of an ImageField with one dimensions field.
@@ -298,6 +307,7 @@ if Image:
     PersonModel = PersonWithHeight
 
 
+@skipIf(Image is None, "PIL is required to test ImageField")
 class ImageFieldDimensionsFirstTests(ImageFieldTwoDimensionsTests):
     """
     Tests behavior of an ImageField where the dimensions fields are
@@ -307,6 +317,7 @@ if Image:
     PersonModel = PersonDimensionsFirst
 
 
+@skipIf(Image is None, "PIL is required to test ImageField")
 class ImageFieldUsingFileTests(ImageFieldTwoDimensionsTests):
     """
     Tests behavior of an ImageField when assigning it a File instance
@@ -317,6 +328,7 @@ if Image:
     File = File
 
 
+@skipIf(Image is None, "PIL is required to test ImageField")
 class TwoImageFieldTests(ImageFieldTestMixin, TestCase):
     """
     Tests a model with two ImageFields.

tests/regressiontests/model_fields/tests.py

@@ -13,8 +13,6 @@ from django.utils import unittest
 from .models import (Foo, Bar, Whiz, BigD, BigS, Image, BigInt, Post,
     NullBooleanModel, BooleanModel, Document, RenamedField)
 
-# If PIL available, do these tests.
-if Image:
 from .imagefield import (ImageFieldTests, ImageFieldTwoDimensionsTests,
     TwoImageFieldTests, ImageFieldNoDimensionsTests,
     ImageFieldOneDimensionTests, ImageFieldDimensionsFirstTests,