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annotate tests/test_centroid.py @ 77:20a2970d4510

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add test for centroid calculations
author Jeff Hammel <k0scist@gmail.com>
date Sun, 17 Dec 2017 13:35:45 -0800
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1 #!/usr/bin/env python
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2
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3 """
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4 test centroid calculations
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5 """
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6
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7 import common
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8 import os
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9 import unittest
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10 from tvii import centroid
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11
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12
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13 class CentroidTest(unittest.TestCase):
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14
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15 def test_square(self):
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16 """find the centroids of these boring squares"""
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17
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18 # a boring square centered about the origin
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19 points = [(5., 0.),
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20 (0., 5.),
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21 (-5., 0.),
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22 (0., -5)]
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23 center = centroid.centroid(*points)
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24
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25 tolerance = 1e-6
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26 assert len(center) == 2 # dimensions
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27 assert all([abs(dim) < tolerance
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28 for dim in center])
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29
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30 def test_main(self):
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31 """smoketest for console-script entry point"""
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32
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33 datafile = common.datafile('circles.csv')
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34 assert os.path.exists(datafile)
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35 centroid.main([datafile])
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36
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37 if __name__ == '__main__':
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38 unittest.main()