Pillow/Tests/test_file_xvthumb.py
2019-06-13 18:54:11 +03:00

36 lines
970 B
Python

from .helper import hopper, PillowTestCase
from PIL import Image, XVThumbImagePlugin
TEST_FILE = "Tests/images/hopper.p7"
class TestFileXVThumb(PillowTestCase):
def test_open(self):
# Act
im = Image.open(TEST_FILE)
# Assert
self.assertEqual(im.format, "XVThumb")
# Create a Hopper image with a similar XV palette
im_hopper = hopper().quantize(palette=im)
self.assert_image_similar(im, im_hopper, 9)
def test_unexpected_eof(self):
# Test unexpected EOF reading XV thumbnail file
# Arrange
bad_file = "Tests/images/hopper_bad.p7"
# Act / Assert
self.assertRaises(SyntaxError, XVThumbImagePlugin.XVThumbImageFile, bad_file)
def test_invalid_file(self):
# Arrange
invalid_file = "Tests/images/flower.jpg"
# Act / Assert
self.assertRaises(
SyntaxError, XVThumbImagePlugin.XVThumbImageFile, invalid_file
)