Add test for ProcessedImageField

tests/models.py

@@ -1,5 +1,6 @@
 from django.db import models
 
+from imagekit.models import ProcessedImageField
 from imagekit.models import ImageSpecField
 from imagekit.processors import Adjust, ResizeToFill, SmartCrop
 
@@ -16,6 +17,11 @@ class Photo(models.Model):
             format='JPEG', options={'quality': 90})
 
 
+class ProcessedImageFieldModel(models.Model):
+    processed = ProcessedImageField([SmartCrop(50, 50)], format='JPEG',
+            options={'quality': 90}, upload_to='p')
+
+
 class AbstractImageModel(models.Model):
     original_image = models.ImageField(upload_to='photos')
     abstract_class_spec = ImageSpecField()

tests/test_fields.py

@@ -0,0 +1,15 @@
+from django.core.files.base import File
+from nose.tools import eq_
+from . import imagespecs  # noqa
+from .models import ProcessedImageFieldModel
+from .utils import get_image_file
+
+
+def test_model_processedimagefield():
+    instance = ProcessedImageFieldModel()
+    file = File(get_image_file())
+    instance.processed.save('whatever.jpeg', file)
+    instance.save()
+
+    eq_(instance.processed.width, 50)
+    eq_(instance.processed.height, 50)