--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/photologue/tests.py Thu Jan 21 18:41:10 2010 +0100
@@ -0,0 +1,218 @@
+import os
+import unittest
+from django.conf import settings
+from django.core.files.base import ContentFile
+from django.test import TestCase
+
+from models import *
+
+# Path to sample image
+RES_DIR = os.path.join(os.path.dirname(__file__), 'res')
+LANDSCAPE_IMAGE_PATH = os.path.join(RES_DIR, 'test_landscape.jpg')
+PORTRAIT_IMAGE_PATH = os.path.join(RES_DIR, 'test_portrait.jpg')
+SQUARE_IMAGE_PATH = os.path.join(RES_DIR, 'test_square.jpg')
+
+
+class TestPhoto(ImageModel):
+ """ Minimal ImageModel class for testing """
+ name = models.CharField(max_length=30)
+
+
+class PLTest(TestCase):
+ """ Base TestCase class """
+ def setUp(self):
+ self.s = PhotoSize(name='test', width=100, height=100)
+ self.s.save()
+ self.pl = TestPhoto(name='landscape')
+ self.pl.image.save(os.path.basename(LANDSCAPE_IMAGE_PATH),
+ ContentFile(open(LANDSCAPE_IMAGE_PATH, 'rb').read()))
+ self.pl.save()
+
+ def tearDown(self):
+ path = self.pl.image.path
+ self.pl.delete()
+ self.failIf(os.path.isfile(path))
+ self.s.delete()
+
+
+class PhotoTest(PLTest):
+ def test_new_photo(self):
+ self.assertEqual(TestPhoto.objects.count(), 1)
+ self.failUnless(os.path.isfile(self.pl.image.path))
+ self.assertEqual(os.path.getsize(self.pl.image.path),
+ os.path.getsize(LANDSCAPE_IMAGE_PATH))
+
+ #def test_exif(self):
+ # self.assert_(len(self.pl.EXIF.keys()) > 0)
+
+ def test_paths(self):
+ self.assertEqual(os.path.normpath(str(self.pl.cache_path())).lower(),
+ os.path.normpath(os.path.join(settings.MEDIA_ROOT,
+ PHOTOLOGUE_DIR,
+ 'photos',
+ 'cache')).lower())
+ self.assertEqual(self.pl.cache_url(),
+ settings.MEDIA_URL + PHOTOLOGUE_DIR + '/photos/cache')
+
+ def test_count(self):
+ for i in range(5):
+ self.pl.get_test_url()
+ self.assertEquals(self.pl.view_count, 0)
+ self.s.increment_count = True
+ self.s.save()
+ for i in range(5):
+ self.pl.get_test_url()
+ self.assertEquals(self.pl.view_count, 5)
+
+ def test_precache(self):
+ # set the thumbnail photo size to pre-cache
+ self.s.pre_cache = True
+ self.s.save()
+ # make sure it created the file
+ self.failUnless(os.path.isfile(self.pl.get_test_filename()))
+ self.s.pre_cache = False
+ self.s.save()
+ # clear the cache and make sure the file's deleted
+ self.pl.clear_cache()
+ self.failIf(os.path.isfile(self.pl.get_test_filename()))
+
+ def test_accessor_methods(self):
+ self.assertEquals(self.pl.get_test_photosize(), self.s)
+ self.assertEquals(self.pl.get_test_size(),
+ Image.open(self.pl.get_test_filename()).size)
+ self.assertEquals(self.pl.get_test_url(),
+ self.pl.cache_url() + '/' + \
+ self.pl._get_filename_for_size(self.s))
+ self.assertEquals(self.pl.get_test_filename(),
+ os.path.join(self.pl.cache_path(),
+ self.pl._get_filename_for_size(self.s)))
+
+
+class ImageResizeTest(PLTest):
+ def setUp(self):
+ super(ImageResizeTest, self).setUp()
+ self.pp = TestPhoto(name='portrait')
+ self.pp.image.save(os.path.basename(PORTRAIT_IMAGE_PATH),
+ ContentFile(open(PORTRAIT_IMAGE_PATH, 'rb').read()))
+ self.pp.save()
+ self.ps = TestPhoto(name='square')
+ self.ps.image.save(os.path.basename(SQUARE_IMAGE_PATH),
+ ContentFile(open(SQUARE_IMAGE_PATH, 'rb').read()))
+ self.ps.save()
+
+ def tearDown(self):
+ super(ImageResizeTest, self).tearDown()
+ self.pp.delete()
+ self.ps.delete()
+
+ def test_resize_to_fit(self):
+ self.assertEquals(self.pl.get_test_size(), (100, 75))
+ self.assertEquals(self.pp.get_test_size(), (75, 100))
+ self.assertEquals(self.ps.get_test_size(), (100, 100))
+
+ def test_resize_to_fit_width(self):
+ self.s.size = (100, 0)
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), (100, 75))
+ self.assertEquals(self.pp.get_test_size(), (100, 133))
+ self.assertEquals(self.ps.get_test_size(), (100, 100))
+
+ def test_resize_to_fit_width_enlarge(self):
+ self.s.size = (400, 0)
+ self.s.upscale = True
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), (400, 300))
+ self.assertEquals(self.pp.get_test_size(), (400, 533))
+ self.assertEquals(self.ps.get_test_size(), (400, 400))
+
+ def test_resize_to_fit_height(self):
+ self.s.size = (0, 100)
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), (133, 100))
+ self.assertEquals(self.pp.get_test_size(), (75, 100))
+ self.assertEquals(self.ps.get_test_size(), (100, 100))
+
+ def test_resize_to_fit_height_enlarge(self):
+ self.s.size = (0, 400)
+ self.s.upscale = True
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), (533, 400))
+ self.assertEquals(self.pp.get_test_size(), (300, 400))
+ self.assertEquals(self.ps.get_test_size(), (400, 400))
+
+ def test_resize_and_crop(self):
+ self.s.crop = True
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), self.s.size)
+ self.assertEquals(self.pp.get_test_size(), self.s.size)
+ self.assertEquals(self.ps.get_test_size(), self.s.size)
+
+ def test_resize_rounding_to_fit(self):
+ self.s.size = (113, 113)
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), (113, 85))
+ self.assertEquals(self.pp.get_test_size(), (85, 113))
+ self.assertEquals(self.ps.get_test_size(), (113, 113))
+
+ def test_resize_rounding_cropped(self):
+ self.s.size = (113, 113)
+ self.s.crop = True
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), self.s.size)
+ self.assertEquals(self.pp.get_test_size(), self.s.size)
+ self.assertEquals(self.ps.get_test_size(), self.s.size)
+
+ def test_resize_one_dimension_width(self):
+ self.s.size = (100, 150)
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), (100, 75))
+
+ def test_resize_one_dimension_height(self):
+ self.s.size = (200, 75)
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), (100, 75))
+
+ def test_resize_no_upscale(self):
+ self.s.size = (1000, 1000)
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), (200, 150))
+
+ def test_resize_no_upscale_mixed_height(self):
+ self.s.size = (400, 75)
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), (100, 75))
+
+ def test_resize_no_upscale_mixed_width(self):
+ self.s.size = (100, 300)
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), (100, 75))
+
+ def test_resize_no_upscale_crop(self):
+ self.s.size = (1000, 1000)
+ self.s.crop = True
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), (1000, 1000))
+
+ def test_resize_upscale(self):
+ self.s.size = (1000, 1000)
+ self.s.upscale = True
+ self.s.save()
+ self.assertEquals(self.pl.get_test_size(), (1000, 750))
+ self.assertEquals(self.pp.get_test_size(), (750, 1000))
+ self.assertEquals(self.ps.get_test_size(), (1000, 1000))
+
+
+class PhotoEffectTest(PLTest):
+ def test(self):
+ effect = PhotoEffect(name='test')
+ im = Image.open(self.pl.image.path)
+ self.assert_(isinstance(effect.pre_process(im), Image.Image))
+ self.assert_(isinstance(effect.post_process(im), Image.Image))
+ self.assert_(isinstance(effect.process(im), Image.Image))
+
+
+class PhotoSizeCacheTest(PLTest):
+ def test(self):
+ cache = PhotoSizeCache()
+ self.assertEqual(cache.sizes['test'], self.s)
+