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annotate tests/test_unique.py @ 63:b911a7c01727

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add test common functionality
author Jeff Hammel <k0scist@gmail.com>
date Sun, 17 Dec 2017 12:37:49 -0800
parents e1eb45c4763e
children 5916b04d0582
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1 #!/usr/bin/env python
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3 """
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4 test uniqueness of set elements
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5 """
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6
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7 import os
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8 import unittest
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9 from tvii.unique import unique
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10 from tvii.unique import NotUnique
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11
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12 class TestUnique(unittest.TestCase):
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14 def test_positive(self):
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15 """ensure the unique functionality works as expected"""
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17 # true positive
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18 a_unique_value = [7] * 7
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19 assert unique(a_unique_value) == 7
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21 def test_negative(self):
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22 """what if a set is not unique?"""
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23
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24 data = [1,2,3,4]
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25 try:
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26 unique(data)
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27 assert 1 == 0
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28 except NotUnique as e:
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29 assert (e is not None)
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30 assert isinstance(e, NotUnique)
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32 if __name__ == '__main__':
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33 unittest.main()