Pillow/Tests/test_image.py
2014-07-05 16:29:40 +03:00

63 lines
1.7 KiB
Python

from helper import unittest, PillowTestCase, tearDownModule
from PIL import Image
class TestImage(PillowTestCase):
def test_sanity(self):
im = Image.new("L", (100, 100))
self.assertEqual(
repr(im)[:45], "<PIL.Image.Image image mode=L size=100x100 at")
self.assertEqual(im.mode, "L")
self.assertEqual(im.size, (100, 100))
im = Image.new("RGB", (100, 100))
self.assertEqual(
repr(im)[:45], "<PIL.Image.Image image mode=RGB size=100x100 ")
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (100, 100))
Image.new("L", (100, 100), None)
im2 = Image.new("L", (100, 100), 0)
im3 = Image.new("L", (100, 100), "black")
self.assertEqual(im2.getcolors(), [(10000, 0)])
self.assertEqual(im3.getcolors(), [(10000, 0)])
self.assertRaises(ValueError, lambda: Image.new("X", (100, 100)))
# self.assertRaises(
# MemoryError, lambda: Image.new("L", (1000000, 1000000)))
def test_internals(self):
im = Image.new("L", (100, 100))
im.readonly = 1
im._copy()
self.assertFalse(im.readonly)
im.readonly = 1
im.paste(0, (0, 0, 100, 100))
self.assertFalse(im.readonly)
file = self.tempfile("temp.ppm")
im._dump(file)
def test_comparison_with_other_type(self):
# Arrange
item = Image.new('RGB', (25, 25), '#000')
num = 12
# Act/Assert
# Shouldn't cause AttributeError (#774)
self.assertFalse(item is None)
self.assertFalse(item == None)
self.assertFalse(item == num)
if __name__ == '__main__':
unittest.main()
# End of file