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annotate tests/test_unique.py @ 50:4b20694b8a16

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add module + test for uniqueness
author Jeff Hammel <k0scist@gmail.com>
date Sun, 17 Sep 2017 14:28:36 -0700
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children e1eb45c4763e
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1 #!/usr/bin/env python
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2
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3 import os
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4 import unittest
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5 from tvii.unique import unique
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6 from tvii.unique import NotUnique
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7
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8 class TestUnique(unittest.TestCase):
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9
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10 def test_positive(self):
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11 """ensure the unique functionality works as expected"""
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12
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13 # true positive
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14 a_unique_value = [7] * 7
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15 assert unique(a_unique_value) == 7
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16
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17 def test_negative(self):
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18 """what if a set is not unique?"""
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19
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20 data = [1,2,3,4]
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21 e = None
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22 try:
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23 unique(data)
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24 except NotUnique as e:
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25 pass
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26 assert e is not None
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27 assert isinstance(e, NotUnique)
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28
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29 if __name__ == '__main__':
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30 unittest.main()