use custom fixture for cover

avipost/avipost/urls.py

@@ -3,11 +3,8 @@
 from django.conf.urls.static import static
 
 from rest_framework import routers
-
 from postcards.views import PostcardViewSet
 
-
-
 router = routers.DefaultRouter()
 router.register(r'postcards', PostcardViewSet)
 
@@ -16,4 +13,6 @@
 )
 
 if settings.DEBUG:
+    import autofixture
+    autofixture.autodiscover()
     urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

avipost/postcards/autofixtures.py

@@ -0,0 +1,19 @@
+from .models import Postcard
+from autofixture import generators, register, AutoFixture
+
+
+class PostcardAutoFixture(AutoFixture):
+
+    default_cover_sizes = (
+        (800, 600),
+        (600, 800),
+        (1200, 600),
+        (600, 1200),
+        (1000, 1000),
+    )
+
+    field_values = {
+        'cover': generators.ImageGenerator(sizes=default_cover_sizes),
+    }
+
+register(Postcard, PostcardAutoFixture)

avipost/postcards/models.py

@@ -1,7 +1,8 @@
 from django.db import models
 
+
 class Postcard(models.Model):
     # didn't use TextField here because Django doesn't check max length for textField?
     message = models.CharField('Message', max_length=140, default="Hello!")
     cover = models.ImageField('Cover')
-    sender = models.CharField('Sender', max_length=20, default="demo")
+    sender = models.CharField('Sender', max_length=20, default="demo")