django-imagekit/tests/core/tests.py
2011-10-31 23:23:50 +09:00

55 lines
1.7 KiB
Python

import os
import tempfile
from django.core.files.base import ContentFile
from django.db import models
from django.test import TestCase
from imagekit.lib import Image
from imagekit.models import ImageSpec
from imagekit.processors import Adjust
from imagekit.processors.resize import Crop
class Photo(models.Model):
original_image = models.ImageField(upload_to='photos')
thumbnail = ImageSpec([Adjust(contrast=1.2, sharpness=1.1), Crop(50, 50)],
image_field='original_image', format='JPEG', quality=90)
class IKTest(TestCase):
""" Base TestCase class. """
def generate_image(self):
tmp = tempfile.TemporaryFile()
Image.new('RGB', (800, 600)).save(tmp, 'JPEG')
tmp.seek(0)
return tmp
def setUp(self):
self.photo = Photo()
img = self.generate_image()
file = ContentFile(img.read())
self.photo.original_image = file
self.photo.original_image.save('test.jpeg', file)
self.photo.save()
img.close()
def test_save_image(self):
photo = Photo.objects.get(id=self.photo.id)
self.assertTrue(os.path.isfile(photo.original_image.path))
def test_setup(self):
self.assertEqual(self.photo.original_image.width, 800)
self.assertEqual(self.photo.original_image.height, 600)
def test_thumbnail_creation(self):
photo = Photo.objects.get(id=self.photo.id)
self.assertTrue(os.path.isfile(photo.thumbnail.file.name))
def test_thumbnail_size(self):
self.assertEqual(self.photo.thumbnail.width, 50)
self.assertEqual(self.photo.thumbnail.height, 50)
def test_thumbnail_source_file(self):
self.assertEqual(
self.photo.thumbnail.source_file, self.photo.original_image)