def test_resize_no_upscaling(self):
"""
Ensure upscaling is forbidden in resize action.
"""
renderer = LazyThumbRenderer()
mock_img = MockImg()
img = renderer.resize(width=2000, height=2000, img=mock_img)
self.assertEqual(img.size[0], 1000)
self.assertEqual(img.size[1], 1000)
self.assertEqual(len(mock_img.called), 0)
def test_resize(self):
"""
Test behavior of resize action.
"""
renderer = LazyThumbRenderer()
mock_img = MockImg()
img = renderer.resize(width=48, height=50, img=mock_img)
self.assertEqual(img.size[1], 50)
self.assertEqual(len(mock_img.called), 2)
self.assertTrue('crop' in mock_img.called)
self.assertTrue('resize' in mock_img.called)