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more tests

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This commit is contained in:
John Cupitt 2015-01-05 13:48:35 +00:00
parent d0d49caa72
commit 90725b9f5e
2 changed files with 76 additions and 1 deletions
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2
ChangeLog
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@ -1,6 +1,8 @@
30/12/14 started 7.42.2
- allow c++ set enum from string
- display param default and range in usage
- better docs
- more tests
24/12/14 started 7.42.1
- add gobject-2.0 to Requires: in vips and vips-cpp .pc files

75
test/test_create.py
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@ -29,7 +29,7 @@ def zip_expand(x, y):
class TestCreate(unittest.TestCase):
# test a pair of things which can be lists for approx. equality
def assertAlmostEqualObjects(self, a, b, places = 4, msg = ''):
#print 'assertAlmostEqualObjects %s = %s' % (a, b)
# print 'assertAlmostEqualObjects %s = %s' % (a, b)
for x, y in zip_expand(a, b):
self.assertAlmostEqual(x, y, places = places, msg = msg)
@ -70,5 +70,78 @@ class TestCreate(unittest.TestCase):
p = lut.getpoint(10, 0)
self.assertEqual(p[0], 100 * 10.0 / 255.0)
M = Vips.Image.new_from_array([[0, 0, 100],
[255, 100, 0],
[128, 10, 90]])
lut = M.buildlut()
self.assertEqual(lut.width, 256)
self.assertEqual(lut.height, 1)
self.assertEqual(lut.bands, 2)
p = lut.getpoint(0, 0)
self.assertAlmostEqualObjects(p, [0.0, 100.0])
p = lut.getpoint(64, 0)
self.assertAlmostEqualObjects(p, [5.0, 95.0])
def test_eye(self):
im = Vips.Image.eye(100, 90)
self.assertEqual(im.width, 100)
self.assertEqual(im.height, 90)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.FLOAT)
self.assertEqual(im.max(), 1.0)
self.assertEqual(im.min(), -1.0)
im = Vips.Image.eye(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)
self.assertEqual(im.max(), 255.0)
self.assertEqual(im.min(), 0.0)
def test_fractsurf(self):
im = Vips.Image.fractsurf(100, 90, 2.5)
self.assertEqual(im.width, 100)
self.assertEqual(im.height, 90)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.FLOAT)
def test_gaussmat(self):
im = Vips.Image.gaussmat(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.gaussmat(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_gaussnoise(self):
im = Vips.Image.gaussnoise(100, 90)
self.assertEqual(im.width, 100)
self.assertEqual(im.height, 90)
self.assertEqual(im.bands, 1)
self.assertEqual(im.format, Vips.BandFormat.FLOAT)
if __name__ == '__main__':
unittest.main()