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18
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1 #!/usr/bin/env python
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2
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3 """
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4 data casting functions
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5 """
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6
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7 import unittest
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8 from lemiformes import cast
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9
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10 class TestCast(unittest.TestCase):
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11
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12 def test_isiterable(self):
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13 assert not cast.isiterable(1)
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14 assert cast.isiterable(range(5))
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15
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16 def test_make_iterable(self):
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17 iterval = cast.iterable(1)
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18 assert cast.isiterable(iterval)
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19 assert list(iterval) == [1]
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20 assert cast.iterable([1,2,3]) == [1,2,3]
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21
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22 def test_interference(self):
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23 ints = ['1', '2', '3']
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24 floats = ['1', '2', '3.5']
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25 strings = ['1', '2', "I'm a kitty!"]
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26
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27 assert cast.infer(ints) == int
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28 assert cast.infer(floats) == float
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29 assert cast.infer(strings) == str
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30
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31 def test_casting(self):
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32 ints = ['1', '2', '3']
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33 floats = ['1', '2', '3.5']
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34 strings = ['1', '2', "I'm a kitty!"]
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35
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36 assert cast.cast(ints) == [1, 2, 3]
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37 assert cast.cast(floats) == [1., 2., 3.5]
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38 assert cast.cast(strings) == strings
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39
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40
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41 if __name__ == '__main__':
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42 unittest.main()
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