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Re-roll in case of identical noise

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Hugo 2017-12-19 15:06:43 +02:00
parent 2cb6523899
commit c8eebc1dc7
1 changed files with 15 additions and 5 deletions
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12
Tests/test_image.py
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@ -347,14 +347,24 @@ class TestImage(PillowTestCase):
# Arrange
size = (100, 100)
sigma = 128
# To reduce chance of randomly having the same value twice
attempts = 5
# Act
while attempts > 0:
im = Image.effect_noise(size, sigma)
# Assert
self.assertEqual(im.size, (100, 100))
self.assertEqual(im.mode, "L")
self.assertNotEqual(im.getpixel((0, 0)), im.getpixel((0, 1)))
p0 = im.getpixel((0, 0))
p1 = im.getpixel((0, 1))
if p0 == p1:
# Let's roll again
attempts -= 1
else:
break
self.assertNotEqual(p0, p1)
def test_effect_spread(self):
# Arrange