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more tests

This commit is contained in:
John Cupitt 2015-01-27 21:45:14 +00:00
parent 4012341d59
commit e8f456a7e2
2 changed files with 174 additions and 0 deletions
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1
ChangeLog
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@ -13,6 +13,7 @@
- try to handle tiffs with old-style 8-bit colormaps
- rename vipsthumbnail -o as -f, -o stays as a hidden flag
- fix some small leaks
- faster openslide load, thanks Benjamin
24/12/14 started 7.42.1
- add gobject-2.0 to Requires: in vips and vips-cpp .pc files

173
test/test_create.py
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@ -139,8 +139,181 @@ class TestCreate(unittest.TestCase):
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.FLOAT)
im = Vips.Image.gaussnoise(100, 90, sigma = 10, mean = 100)
self.assertEqual(im.width, 100)
self.assertEqual(im.height, 90)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.FLOAT)
sigma = im.deviate()
mean = im.avg()
self.assertAlmostEqual(sigma, 10, places = 0)
self.assertAlmostEqual(mean, 100, places = 0)
def test_grey(self):
im = Vips.Image.grey(100, 90)
self.assertEqual(im.width, 100)
self.assertEqual(im.height, 90)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.FLOAT)
p = im.getpoint(0, 0)
self.assertEqual(p[0], 0.0)
p = im.getpoint(99, 0)
self.assertEqual(p[0], 1.0)
p = im.getpoint(0, 89)
self.assertEqual(p[0], 0.0)
p = im.getpoint(99, 89)
self.assertEqual(p[0], 1.0)
im = Vips.Image.grey(100, 90, uchar = True)
self.assertEqual(im.width, 100)
self.assertEqual(im.height, 90)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.UCHAR)
p = im.getpoint(0, 0)
self.assertEqual(p[0], 0)
p = im.getpoint(99, 0)
self.assertEqual(p[0], 255)
p = im.getpoint(0, 89)
self.assertEqual(p[0], 0)
p = im.getpoint(99, 89)
self.assertEqual(p[0], 255)
def test_identity(self):
im = Vips.Image.identity()
self.assertEqual(im.width, 256)
self.assertEqual(im.height, 1)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.UCHAR)
p = im.getpoint(0, 0)
self.assertEqual(p[0], 0.0)
p = im.getpoint(255, 0)
self.assertEqual(p[0], 255.0)
p = im.getpoint(128, 0)
self.assertEqual(p[0], 128.0)
im = Vips.Image.identity(ushort = True)
self.assertEqual(im.width, 65536)
self.assertEqual(im.height, 1)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.USHORT)
p = im.getpoint(0, 0)
self.assertEqual(p[0], 0)
p = im.getpoint(99, 0)
self.assertEqual(p[0], 99)
p = im.getpoint(65535, 0)
self.assertEqual(p[0], 65535)
def test_invertlut(self):
lut = Vips.Image.new_from_array([[0.1, 0.2, 0.3, 0.1],
[0.2, 0.4, 0.4, 0.2],
[0.7, 0.5, 0.6, 0.3]])
im = lut.invertlut()
self.assertEqual(im.width, 256)
self.assertEqual(im.height, 1)
self.assertEqual(im.bands, 3)
self.assertEqual(im.format, Vips.BandFormat.DOUBLE)
p = im.getpoint(0, 0)
self.assertAlmostEqualObjects(p, [0, 0, 0])
p = im.getpoint(255, 0)
self.assertAlmostEqualObjects(p, [1, 1, 1])
p = im.getpoint(0.2 * 255, 0)
self.assertAlmostEqual(p[0], 0.1, places = 2)
p = im.getpoint(0.3 * 255, 0)
self.assertAlmostEqual(p[1], 0.1, places = 2)
p = im.getpoint(0.1 * 255, 0)
self.assertAlmostEqual(p[2], 0.1, places = 2)
def test_logmat(self):
im = Vips.Image.logmat(1, 0.1)
self.assertEqual(im.width, 7)
self.assertEqual(im.height, 7)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.DOUBLE)
self.assertEqual(im.max(), 20)
total = im.avg() * im.width * im.height
scale = im.get("scale")
self.assertEqual(total, scale)
p = im.getpoint(im.width / 2, im.height / 2)
self.assertEqual(p[0], 20.0)
im = Vips.Image.logmat(1, 0.1,
separable = True, precision = "float")
self.assertEqual(im.width, 7)
self.assertEqual(im.height, 1)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.DOUBLE)
self.assertEqual(im.max(), 1.0)
total = im.avg() * im.width * im.height
scale = im.get("scale")
self.assertEqual(total, scale)
p = im.getpoint(im.width / 2, im.height / 2)
self.assertEqual(p[0], 1.0)
def test_mask_butterworth_band(self):
im = Vips.Image.mask_butterworth_band(128, 128, 2, 0.5, 0.5, 0.7, 0.1)
self.assertEqual(im.width, 128)
self.assertEqual(im.height, 128)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.FLOAT)
self.assertAlmostEqual(im.max(), 1, places = 2)
p = im.getpoint(32, 32)
self.assertEqual(p[0], 1.0)
im = Vips.Image.mask_butterworth_band(128, 128, 2, 0.5, 0.5, 0.7, 0.1,
uchar = True, optical = True)
self.assertEqual(im.width, 128)
self.assertEqual(im.height, 128)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.UCHAR)
self.assertEqual(im.max(), 255)
p = im.getpoint(32, 32)
self.assertEqual(p[0], 255.0)
p = im.getpoint(64, 64)
self.assertEqual(p[0], 255.0)
im = Vips.Image.mask_butterworth_band(128, 128, 2, 0.5, 0.5, 0.7, 0.1,
uchar = True, optical = True,
nodc = True)
self.assertEqual(im.width, 128)
self.assertEqual(im.height, 128)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.UCHAR)
self.assertEqual(im.max(), 255)
p = im.getpoint(32, 32)
self.assertEqual(p[0], 255.0)
p = im.getpoint(64, 64)
self.assertNotEqual(p[0], 255)
def test_mask_butterworth(self):
im = Vips.Image.mask_butterworth(128, 128, 2, 0.7, 0.1,
nodc = True)
self.assertEqual(im.width, 128)
self.assertEqual(im.height, 128)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.FLOAT)
self.assertAlmostEqual(im.min(), 0, places = 2)
p = im.getpoint(0, 0)
self.assertEqual(p[0], 0.0)
v, x, y = im.maxpos()
self.assertEqual(x, 64)
self.assertEqual(y, 64)
im = Vips.Image.mask_butterworth(128, 128, 2, 0.7, 0.1,
optical = True, uchar = True)
self.assertEqual(im.width, 128)
self.assertEqual(im.height, 128)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.UCHAR)
self.assertAlmostEqual(im.min(), 0, places = 2)
p = im.getpoint(64, 64)
self.assertEqual(p[0], 255)
if __name__ == '__main__':