mirror of
https://github.com/drewcassidy/quicktex.git
synced 2024-09-13 06:37:34 +00:00
62 lines
2.4 KiB
Python
62 lines
2.4 KiB
Python
import unittest
|
|
import nose
|
|
import quicktex
|
|
import images
|
|
import tempfile
|
|
from PIL import Image
|
|
|
|
|
|
class TestRawTexture(unittest.TestCase):
|
|
boilerplate = Image.open(images.image_path + '/Boilerplate.png')
|
|
bp_bytes = boilerplate.tobytes('raw', 'RGBX')
|
|
width = boilerplate.width
|
|
height = boilerplate.height
|
|
|
|
def setUp(self):
|
|
self.texture = quicktex.RawTexture(self.width, self.height)
|
|
|
|
def test_size(self):
|
|
"""Test byte size and image dimensions"""
|
|
self.assertEqual(self.texture.size, self.width * self.height * 4, "incorrect texture byte size")
|
|
self.assertEqual(self.texture.width, self.width, "incorrect texture width")
|
|
self.assertEqual(self.texture.height, self.height, "incorrect texture height")
|
|
self.assertEqual(self.texture.dimensions, (self.width, self.height), "incorrect texture dimension tuple")
|
|
|
|
def test_pixels(self):
|
|
"""Test getting and setting pixel values"""
|
|
color1 = (69, 13, 12, 0) # totally random color
|
|
color2 = (19, 142, 93, 44)
|
|
|
|
self.texture[0, 0] = color1
|
|
self.texture[-1, -1] = color2
|
|
data = self.texture.tobytes()
|
|
|
|
self.assertEqual(self.texture[0, 0], color1)
|
|
self.assertEqual(self.texture[-1, -1], color2)
|
|
self.assertEqual(tuple(data[0:4]), color1)
|
|
self.assertEqual(tuple(data[-4:]), color2)
|
|
with self.assertRaises(IndexError):
|
|
thing = self.texture[self.width, self.height]
|
|
with self.assertRaises(IndexError):
|
|
thing = self.texture[-1 - self.width, -1 - self.height]
|
|
|
|
def test_buffer(self):
|
|
"""Test the Buffer protocol implementation for RawTexture"""
|
|
with tempfile.TemporaryFile('r+b') as fp:
|
|
fp.write(self.bp_bytes)
|
|
fp.seek(0)
|
|
bytes_read = fp.readinto(self.texture)
|
|
|
|
self.assertEqual(bytes_read, self.texture.size, 'buffer over/underrun')
|
|
self.assertEqual(self.bp_bytes, self.texture.tobytes(), 'Incorrect bytes after writing to buffer')
|
|
self.assertEqual(self.bp_bytes, bytes(self.texture), "Incorrect bytes after reading from buffer")
|
|
|
|
def test_frombytes(self):
|
|
"""Test the frombytes factory function"""
|
|
bytetex = quicktex.RawTexture.frombytes(self.bp_bytes, *self.boilerplate.size)
|
|
self.assertEqual(self.bp_bytes, bytetex.tobytes(), 'Incorrect bytes after writing to buffer')
|
|
|
|
|
|
if __name__ == '__main__':
|
|
nose.main()
|