add jinja support, template rendering tests

resize/templates/resize/test.html

@@ -0,0 +1,4 @@
+
+{% load resize %}
+
+{{ 'test.jpg'|resize_static:'20x20' }}

resize/templates/resize/test.jinja

@@ -0,0 +1,2 @@
+
+{{ resize_static('test.jpg', '20x20') }}

resize/templatetags/resize.py

@@ -10,12 +10,24 @@
 
 from resize.utils import resize_image, calc_height, calc_width
 
+try:
+    from django_jinja import library
+    lib = library.Library()
+
+except ImportError:
+    class LibraryStub(object):
+        @staticmethod
+        def global_function(func):
+            return func
+    lib = LibraryStub()
+
 logger = logging.getLogger(__name__)
 
 register = Library()
 
 
 @register.filter
+@lib.global_function
 def resize(img_file, size=100):
     try:
         return resize_image(img_file, size)
@@ -25,6 +37,7 @@ def resize(img_file, size=100):
 
 
 @register.filter
+@lib.global_function
 def resize_static(img_path, size=100):
     try:
         abs_path = find_file(img_path)
@@ -40,6 +53,7 @@ def resize_static(img_path, size=100):
 
 
 @register.filter
+@lib.global_function
 def resize_absolute(img_file, size=100):
     try:
         path = resize_image(img_file, size=size)
@@ -52,6 +66,7 @@ def resize_absolute(img_file, size=100):
 
 
 @register.filter
+@lib.global_function
 def height(img_file, size=100):
     try:
         return calc_height(img_file, size)
@@ -61,6 +76,7 @@ def height(img_file, size=100):
 
 
 @register.filter
+@lib.global_function
 def width(img_file, size=100):
     try:
         return calc_width(img_file, size)

resize/tests.py

@@ -5,6 +5,7 @@
 
 from django.test import TestCase
 from django.core.files.images import ImageFile
+from django.template.loader import render_to_string
 
 from resize.utils import calc_height, calc_width, resize_image
 
@@ -123,3 +124,9 @@ def test_resize_crop(self):
         img = self.get_resize(size)
         self.assertEqual(img.size[0], 100)
         self.assertEqual(img.size[1], 100)
+
+    def test_django_template(self):
+        render_to_string('resize/test.html')
+
+    def test_jinja_template(self):
+        render_to_string('resize/test.jinja')

tests/settings.py

@@ -1,5 +1,12 @@
 
+import os
+
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
+
+
 INSTALLED_APPS = (
+    'django.contrib.staticfiles',
+    'django_jinja',
     'resize',
 )
 
@@ -11,3 +18,15 @@
 }
 
 SECRET_KEY = 'notsecure'
+
+
+STATIC_URL = '/static/'
+STATICFILES_DIRS = (
+    os.path.join(BASE_DIR, 'test_images'),
+)
+
+
+TEMPLATE_LOADERS = (
+    'django_jinja.loaders.AppLoader',
+    'django_jinja.loaders.FileSystemLoader',
+)