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tests.py
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tests.py
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import unittest
import io
from PIL import Image
from customidenticon import create
class ForHashTest:
def __init__(self, *args):
pass
def hexdigest(self):
return "000000" + "f"*150
def gen_image(data, type="pixels", **kwargs):
identicon = create(data, type, **kwargs)
return Image.open(io.BytesIO(identicon))
def gen_for_test(type, size=3, block_size=1):
return gen_image("Test",
type=type,
hash_func=ForHashTest,
border=1,
background=(250, 250, 250),
block_size=block_size,
size=size,
block_visibility=255)
class IdenticonTestCase(unittest.TestCase):
def test_pixels_create(self):
image = gen_image("test")
self.assertEqual(image.format, "PNG")
self.assertEqual((200, 200), image.size)
image = gen_image("test", format="jpeg")
self.assertEqual(image.format, "JPEG")
self.assertEqual((200, 200), image.size)
image = gen_image("test", border=10, block_size=10, size=6)
size = 6 * 10 + 10 * 2 # size * block_size + border * 2
self.assertEqual((size, size), image.size)
def test_blocks_create(self):
image = gen_image("test", type="blocks")
self.assertEqual(image.format, "PNG")
self.assertEqual((200, 200), image.size)
image = gen_image("test", type="blocks", format="jpeg")
self.assertEqual(image.format, "JPEG")
self.assertEqual((200, 200), image.size)
image = gen_image("test", type="blocks", border=10, block_size=10, size=4)
size = 4 * 10 + 10 * 2 # size * block_size + border * 2
self.assertEqual((size, size), image.size)
def test_layers_create(self):
image = gen_image("test", type="layers")
self.assertEqual(image.format, "PNG")
self.assertEqual((200, 200), image.size)
image = gen_image("test", type="layers", format="jpeg")
self.assertEqual(image.format, "JPEG")
self.assertEqual((200, 200), image.size)
image = gen_image("test", type="layers", border=10, block_size=10, size=4)
size = 4 * 10 + 10 * 2 # size * block_size + border * 2
self.assertEqual((size, size), image.size)
def test_pixels_generated_image(self):
image = gen_for_test("pixels", 5)
image_size = 7 # size + border * 2
self.assertEqual((image_size, image_size), image.size)
rgb_im = image.convert("RGB")
color = (0, 0, 0)
background = (250, 250, 250)
for x in range(image_size):
for y in range(image_size):
if x == 0 or x == image_size-1 or y == 0 or y == image_size-1:
self.assertEqual(background, rgb_im.getpixel((x, y)))
else:
self.assertEqual(color, rgb_im.getpixel((x, y)))
def test_blocks_generated_image(self):
image = gen_for_test("blocks", 5)
image_size = 7 # size + border * 2
self.assertEqual((image_size, image_size), image.size)
rgb_im = image.convert("RGB")
color1 = (0, 0, 0)
color2 = (255, 255, 255)
background = (250, 250, 250)
for x in range(image_size):
for y in range(image_size):
if x == 0 or x == image_size-1 or y == 0 or y == image_size-1:
self.assertEqual(background, rgb_im.getpixel((x, y)))
else:
if x == 1 and y == 1:
self.assertEqual(color1, rgb_im.getpixel((x, y)))
else:
self.assertEqual(color2, rgb_im.getpixel((x, y)))
def test_layers_generated_image(self):
image = gen_for_test("layers", 3, 2)
image_size = 8 # size * block_size + border * 2
self.assertEqual((image_size, image_size), image.size)
rgb_im = image.convert("RGB")
color1 = (0, 0, 0)
color2 = (255, 255, 255)
background = (250, 250, 250)
for x in range(image_size):
for y in range(image_size):
if x == 0 or x == image_size-1 or y == 0 or y == image_size-1:
self.assertEqual(background, rgb_im.getpixel((x, y)))
else:
if x == 1 or x == image_size-2 or y == 1 or y == image_size-2:
self.assertEqual(color1, rgb_im.getpixel((x, y)))
else:
self.assertEqual(color2, rgb_im.getpixel((x, y)))
if __name__ == "__main__":
unittest.main(warnings="ignore")