def testImageCacheForSameSizeImageLeavesImageUnmodified(self):
asset, image_size = get_test_thumbnail_asset()
width, height = image_size
thumbnail = default_thumbnail_cache.get_thumbnail(asset, width, height, "resize")
self.assertEqual(thumbnail.width, width)
self.assertEqual(thumbnail.height, height)
# Make sure the assets are identical.
self.assertEqual(hashlib.sha1(default_storage.open(default_asset_cache.get_name(asset)).read()).hexdigest(), hashlib.sha1(default_storage.open(default_asset_cache.get_name(thumbnail._asset)).read()).hexdigest())
def testImageCacheThumbnailLarger(self):
asset, image_size = get_test_thumbnail_asset()
width, height = image_size
width *= 3
height *= 2
thumbnail = default_thumbnail_cache.get_thumbnail(asset, width, height, "proportional")
self.assertNotEqual(thumbnail.width, width)
self.assertEqual(thumbnail.height, height)
# Make sure the file contents are not identical.
self.assertEqual(hashlib.sha1(default_storage.open(default_asset_cache.get_name(asset)).read()).hexdigest(), hashlib.sha1(default_storage.open(default_asset_cache.get_name(thumbnail._asset)).read()).hexdigest())
def testGetImgTag(self):
asset, image_size = get_test_thumbnail_asset()
width, height = image_size
width /= 2
height /= 2
thumbnail = default_thumbnail_cache.get_thumbnail(asset, width, height, "resize")
self.assertEqual(
Template("{% load assets %}{% get_img asset width=width height=height method='resize' as img %}{{img.url}}:{{img.width}}:{{img.height}}").render(Context({
"asset": asset,
"width": width,
"height": height,
})),
u'{src}:{width}:{height}'.format(
src = thumbnail.url,
width = thumbnail.width,
height = thumbnail.height,
),
)
def testImgTag(self):
asset, image_size = get_test_thumbnail_asset()
width, height = image_size
width /= 2
height /= 2
thumbnail = default_thumbnail_cache.get_thumbnail(asset, width, height, "resize")
self.assertEqual(
Template("{% load assets %}{% img asset width=width height=height method='resize' %}").render(Context({
"asset": asset,
"width": width,
"height": height,
})),
u'<img src="{src}" width={width} height={height} alt="">'.format(
src = thumbnail.url,
width = thumbnail.width,
height = thumbnail.height,
),
)
