def test_gif_format(self): """Test that response looks like valid GIF data.""" img = resolve_image('Glucose', fmt='gif') self.assertEqual(img[:4], b'GIF8')
def test_png_format(self): """Test that response looks like valid PNG data.""" img = resolve_image('Glucose') self.assertEqual(img[:8], b'\x89PNG\x0d\x0a\x1a\x0a')