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  • Committer: Package Import Robot
  • Author(s): Matthias Klose
  • Date: 2013-01-31 20:49:20 UTC
  • mfrom: (1.1.4)
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130131204920-7tnuhqhlsqdza4c2
Rewrite build dependencies to allow cross builds.

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Tests/test_imagestat.py
 
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from tester import *
 
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from PIL import Image
 
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from PIL import ImageStat
 
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def test_sanity():
 
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    im = lena()
 
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    st = ImageStat.Stat(im)
 
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    st = ImageStat.Stat(im.histogram())
 
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    st = ImageStat.Stat(im, Image.new("1", im.size, 1))
 
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    assert_no_exception(lambda: st.extrema)
 
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    assert_no_exception(lambda: st.sum)
 
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    assert_no_exception(lambda: st.mean)
 
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    assert_no_exception(lambda: st.median)
 
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    assert_no_exception(lambda: st.rms)
 
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    assert_no_exception(lambda: st.sum2)
 
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    assert_no_exception(lambda: st.var)
 
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    assert_no_exception(lambda: st.stddev)
 
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    assert_exception(AttributeError, lambda: st.spam)
 
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    assert_exception(TypeError, lambda: ImageStat.Stat(1))
 
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def test_lena():
 
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    im = lena()
 
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    st = ImageStat.Stat(im)
 
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    # verify a few values
 
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    assert_equal(st.extrema[0], (61, 255))
 
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    assert_equal(st.median[0], 197)
 
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    assert_equal(st.sum[0], 2954416)
 
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    assert_equal(st.sum[1], 2027250)
 
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    assert_equal(st.sum[2], 1727331)
 
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def test_constant():
 
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    im = Image.new("L", (128, 128), 128)
 
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    st = ImageStat.Stat(im)
 
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    assert_equal(st.extrema[0], (128, 128))
 
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    assert_equal(st.sum[0], 128**3)
 
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    assert_equal(st.sum2[0], 128**4)
 
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    assert_equal(st.mean[0], 128)
 
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    assert_equal(st.median[0], 128)
 
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    assert_equal(st.rms[0], 128)
 
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    assert_equal(st.var[0], 0)
 
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    assert_equal(st.stddev[0], 0)