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Convert more tests
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hugovk
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133120c6a6
commit
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24
test/test_image_tobitmap.py
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24
test/test_image_tobitmap.py
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from helper import unittest, PillowTestCase, lena
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from PIL import Image
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class TestImage(PillowTestCase):
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def test_sanity(self):
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self.assertRaises(ValueError, lambda: lena().tobitmap())
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assert_no_exception(lambda: lena().convert("1").tobitmap())
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im1 = lena().convert("1")
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bitmap = im1.tobitmap()
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assert_true(isinstance(bitmap, bytes))
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assert_image_equal(im1, fromstring(bitmap))
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if __name__ == '__main__':
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unittest.main()
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# End of file
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74
test/test_imagechops.py
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74
test/test_imagechops.py
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from helper import unittest, PillowTestCase, lena
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from PIL import Image
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from PIL import ImageChops
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class TestImage(PillowTestCase):
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def test_sanity(self):
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im = lena("L")
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ImageChops.constant(im, 128)
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ImageChops.duplicate(im)
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ImageChops.invert(im)
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ImageChops.lighter(im, im)
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ImageChops.darker(im, im)
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ImageChops.difference(im, im)
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ImageChops.multiply(im, im)
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ImageChops.screen(im, im)
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ImageChops.add(im, im)
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ImageChops.add(im, im, 2.0)
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ImageChops.add(im, im, 2.0, 128)
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ImageChops.subtract(im, im)
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ImageChops.subtract(im, im, 2.0)
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ImageChops.subtract(im, im, 2.0, 128)
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ImageChops.add_modulo(im, im)
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ImageChops.subtract_modulo(im, im)
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ImageChops.blend(im, im, 0.5)
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ImageChops.composite(im, im, im)
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ImageChops.offset(im, 10)
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ImageChops.offset(im, 10, 20)
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def test_logical(self):
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def table(op, a, b):
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out = []
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for x in (a, b):
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imx = Image.new("1", (1, 1), x)
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for y in (a, b):
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imy = Image.new("1", (1, 1), y)
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out.append(op(imx, imy).getpixel((0, 0)))
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return tuple(out)
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self.assertEqual(
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table(ImageChops.logical_and, 0, 1), (0, 0, 0, 255))
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self.assertEqual(
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table(ImageChops.logical_or, 0, 1), (0, 255, 255, 255))
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self.assertEqual(
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table(ImageChops.logical_xor, 0, 1), (0, 255, 255, 0))
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self.assertEqual(
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table(ImageChops.logical_and, 0, 128), (0, 0, 0, 255))
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self.assertEqual(
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table(ImageChops.logical_or, 0, 128), (0, 255, 255, 255))
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self.assertEqual(
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table(ImageChops.logical_xor, 0, 128), (0, 255, 255, 0))
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self.assertEqual(
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table(ImageChops.logical_and, 0, 255), (0, 0, 0, 255))
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self.assertEqual(
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table(ImageChops.logical_or, 0, 255), (0, 255, 255, 255))
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self.assertEqual(
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table(ImageChops.logical_xor, 0, 255), (0, 255, 255, 0))
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if __name__ == '__main__':
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unittest.main()
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# End of file
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78
test/test_imagemath.py
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test/test_imagemath.py
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from helper import unittest, PillowTestCase
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from PIL import Image
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from PIL import ImageMath
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def pixel(im):
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if hasattr(im, "im"):
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return "%s %r" % (im.mode, im.getpixel((0, 0)))
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else:
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if isinstance(im, type(0)):
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return int(im) # hack to deal with booleans
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print(im)
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A = Image.new("L", (1, 1), 1)
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B = Image.new("L", (1, 1), 2)
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F = Image.new("F", (1, 1), 3)
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I = Image.new("I", (1, 1), 4)
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images = {"A": A, "B": B, "F": F, "I": I}
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class TestImageMath(PillowTestCase):
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def test_sanity(self):
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self.assertEqual(ImageMath.eval("1"), 1)
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self.assertEqual(ImageMath.eval("1+A", A=2), 3)
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self.assertEqual(pixel(ImageMath.eval("A+B", A=A, B=B)), "I 3")
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self.assertEqual(pixel(ImageMath.eval("A+B", images)), "I 3")
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self.assertEqual(pixel(ImageMath.eval("float(A)+B", images)), "F 3.0")
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self.assertEqual(pixel(
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ImageMath.eval("int(float(A)+B)", images)), "I 3")
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def test_ops(self):
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self.assertEqual(pixel(ImageMath.eval("-A", images)), "I -1")
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self.assertEqual(pixel(ImageMath.eval("+B", images)), "L 2")
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self.assertEqual(pixel(ImageMath.eval("A+B", images)), "I 3")
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self.assertEqual(pixel(ImageMath.eval("A-B", images)), "I -1")
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self.assertEqual(pixel(ImageMath.eval("A*B", images)), "I 2")
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self.assertEqual(pixel(ImageMath.eval("A/B", images)), "I 0")
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self.assertEqual(pixel(ImageMath.eval("B**2", images)), "I 4")
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self.assertEqual(pixel(
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ImageMath.eval("B**33", images)), "I 2147483647")
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self.assertEqual(pixel(ImageMath.eval("float(A)+B", images)), "F 3.0")
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self.assertEqual(pixel(ImageMath.eval("float(A)-B", images)), "F -1.0")
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self.assertEqual(pixel(ImageMath.eval("float(A)*B", images)), "F 2.0")
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self.assertEqual(pixel(ImageMath.eval("float(A)/B", images)), "F 0.5")
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self.assertEqual(pixel(ImageMath.eval("float(B)**2", images)), "F 4.0")
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self.assertEqual(pixel(
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ImageMath.eval("float(B)**33", images)), "F 8589934592.0")
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def test_logical(self):
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self.assertEqual(pixel(ImageMath.eval("not A", images)), 0)
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self.assertEqual(pixel(ImageMath.eval("A and B", images)), "L 2")
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self.assertEqual(pixel(ImageMath.eval("A or B", images)), "L 1")
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def test_convert(self):
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self.assertEqual(pixel(
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ImageMath.eval("convert(A+B, 'L')", images)), "L 3")
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self.assertEqual(pixel(
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ImageMath.eval("convert(A+B, '1')", images)), "1 0")
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self.assertEqual(pixel(
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ImageMath.eval("convert(A+B, 'RGB')", images)), "RGB (3, 3, 3)")
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def test_compare(self):
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self.assertEqual(pixel(ImageMath.eval("min(A, B)", images)), "I 1")
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self.assertEqual(pixel(ImageMath.eval("max(A, B)", images)), "I 2")
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self.assertEqual(pixel(ImageMath.eval("A == 1", images)), "I 1")
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self.assertEqual(pixel(ImageMath.eval("A == 2", images)), "I 0")
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if __name__ == '__main__':
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unittest.main()
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# End of file
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