def test_each_filter__should_create_its_own_rendition(self):
image = Image.objects.create(title='Some Title',
file=get_temporary_image())
image.get_rendition('original')
image.get_rendition('height-100')
image.get_rendition('width-100')
# should have three renditions
self.assertEqual(image.renditions.count(), 3)
def test_same_filter_called_twice__should_not_create_another_rendition(
self):
image = Image.objects.create(title='Some Title',
file=get_temporary_image())
image.get_rendition('original')
image.get_rendition('original')
# should have one rendition
self.assertEqual(image.renditions.count(), 1)
def test_clears_renditions_on_save(self):
image = Image.objects.create(title='Some Title',
file=get_temporary_image())
image.get_rendition('width-50')
image.get_rendition('width-150')
self.assertEqual(image.renditions.count(), 3)
image.save()
self.assertEqual(image.renditions.count(), 1)
def test_original(self):
image = Image.objects.create(title='Some Title',
file=get_temporary_image())
filter_spec = 'original'
rendition = image.get_rendition(filter_spec)
# should have one rendition
self.assertEqual(image.renditions.count(), 1)
image_filename = os.path.basename(image.file.name)
image_filename_without_extension, image_extension = os.path.splitext(
image_filename)
rendition_filename = os.path.basename(rendition.file.name)
self.assertEqual(
rendition_filename, '%s.%s%s' %
(image_filename_without_extension, filter_spec, image_extension))
self.assertEqual(rendition.file.width, image.file.width)
self.assertEqual(rendition.file.height, image.file.height)
self.assertEqual(rendition.filter_spec, filter_spec)
def test_width_and_height__wont_stretch_original_image_size(self):
image = Image.objects.create(title='Some Title',
file=get_temporary_image())
filter_spec = 'width-1000|height-1000'
rendition = image.get_rendition(filter_spec)
self.assertEqual(image.renditions.count(), 1)
image_filename = os.path.basename(image.file.name)
image_filename_without_extension, image_extension = os.path.splitext(
image_filename)
rendition_filename = os.path.basename(rendition.file.name)
self.assertEqual(
rendition_filename,
'%s.%s%s' % (image_filename_without_extension,
filter_spec.replace('|', '.'), image_extension))
# original image is 400x200
self.assertEqual(rendition.file.width, image.file.width)
self.assertEqual(rendition.file.height, image.file.height)
self.assertEqual(rendition.filter_spec, filter_spec)
def test_width_and_height(self):
image = Image.objects.create(title='Some Title',
file=get_temporary_image())
filter_spec = 'width-100|height-100'
rendition = image.get_rendition(filter_spec)
# should have one rendition
self.assertEqual(image.renditions.count(), 1)
image_filename = os.path.basename(image.file.name)
image_filename_without_extension, image_extension = os.path.splitext(
image_filename)
rendition_filename = os.path.basename(rendition.file.name)
self.assertEqual(
rendition_filename,
'%s.%s%s' % (image_filename_without_extension,
filter_spec.replace('|', '.'), image_extension))
# original image is 400x200 will result in 100x50 so to not screw up image ratio
self.assertEqual(rendition.file.width, 100)
self.assertEqual(rendition.file.height, 50)
self.assertEqual(rendition.filter_spec, filter_spec)
def setUp(self):
# Create an image for running tests on
self.image = Image.objects.create(
title="Test image",
file=get_temporary_image(),
)
def test_no_default_renditions_are_created(self):
image = Image.objects.create(title='Some Title',
file=get_temporary_image())
self.assertEqual(image.renditions.count(), 0)
def test_thumbnail_rendition_is_created(self):
image = Image.objects.create(title='Some Title',
file=get_temporary_image())
self.assertEqual(image.renditions.count(), 1)
def test_alt(self):
image = Image.objects.create(title='Some Title',
file=get_temporary_image())
rendition = image.get_rendition('original')
self.assertEqual(rendition.alt, rendition.image.title)