annotate tests/test_histogram.py @ 193:dc495f0b5ee8 default tip

[testing] toxify
author Jeff Hammel <k0scist@gmail.com>
date Sun, 13 Aug 2017 15:52:01 -0700
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1 #!/usr/bin/env python
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2 # -*- coding: utf-8 -*-
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3
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4 """
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5 unit tests for histograms
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6 """
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7
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8 import os
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9 import sys
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10 import unittest
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11 from numerics.histogram import Histogram
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12
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13 # globals
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14 here = os.path.dirname(os.path.abspath(__file__))
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15
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16 class HistogramUnitTest(unittest.TestCase):
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17
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18 def test_histogram(self):
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19 """basic histogram test"""
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20
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21 # make some test data
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22 data = [0.1, 0.1,
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23 1.1, 1.2,
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24 2,
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25 3,
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26 5,
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27 6,
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28 7,
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29 8, 8, 8, 8.1]
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30 bins = range(0,10)
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31
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32 # make a histogram
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33 h = Histogram(bins)
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34
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35 # add some data to it
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36 h.add(*data)
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37
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38 # now make sure what we did works
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39
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40 # First, let's check the bins
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41 expected_bins = [(0,1),
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42 (1,2),
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43 (2,3),
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44 (3,4),
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45 (4,5),
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46 (5,6),
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47 (6,7),
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48 (7,8),
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49 (8,9)]
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50 self.assertEqual(h.keys(), expected_bins)
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51
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52 # now let's check the values
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53 values = h()
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54 self.assertEqual(values[(0,1)], 2)
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55 self.assertEqual(values[(1,2)], 2)
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56 self.assertEqual(values[(2,3)], 1)
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57 self.assertEqual(values[(3,4)], 1)
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58 self.assertEqual(values[(4,5)], 0)
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59 self.assertEqual(values[(5,6)], 1)
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60 self.assertEqual(values[(6,7)], 1)
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61 self.assertEqual(values[(7,8)], 1)
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62 self.assertEqual(values[(8,9)], 4)
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64
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65 if __name__ == '__main__':
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66 unittest.main()
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