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import unittest |
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from foil.compose import (tupleize, cartesian_product, disjoint_union, |
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create_quantiles, flip_dict, flip_iterable_dict) |
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class TestCartesianProduct(unittest.TestCase): |
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def test_tupleize(self): |
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elementlist = [None, 5, |
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'string', ('string',), |
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('a', 'b', 'c')] |
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expectedlist = [(None,), (5,), |
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('string',), ('string',), |
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('a', 'b', 'c')] |
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for element, expected in zip(elementlist, expectedlist): |
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with self.subTest(element=element): |
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result = tupleize(element) |
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self.assertEqual(result, expected) |
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def test_carteisian_product(self): |
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sets = (('a', 'bee', None), 'a') |
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expected = [('a', 'a'), ('bee', 'a'), (None, 'a')] |
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result = list(cartesian_product(sets)) |
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self.assertEqual(expected, result) |
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sets = (('b', 'c'), ('x', 'y')) |
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expected = [('b', 'x'), ('b', 'y'), ('c', 'x'), ('c', 'y')] |
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result = list(cartesian_product(sets)) |
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self.assertEqual(expected, result) |
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def test_disjoint_union(self): |
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iter1 = iter([('a', 'a'), ('bee', 'a')]) |
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iter2 = iter([('z', None), ('zz', None)]) |
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expected = [('a', 'a'), ('bee', 'a'), ('z', None), ('zz', None)] |
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result = list(disjoint_union([iter1, iter2])) |
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self.assertEqual(expected, result) |
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class TestQuantiles(unittest.TestCase): |
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def test_create_quantiles(self): |
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items = ['a', 'b', 'c'] |
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lower_bound = 0. |
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upper_bound = 6. |
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expected = [('a', (0., 2.)), ('b', (2., 4.)), ('c', (4., 6.))] |
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result = list(create_quantiles(items, lower_bound, upper_bound)) |
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self.assertEqual(expected, result) |
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class TestDictUtils(unittest.TestCase): |
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def test_flip_dict(self): |
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dictionary = {'a': 'aa', 'b': 'bb'} |
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expected = {'aa': 'a', 'bb': 'b'} |
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result = flip_dict(dictionary) |
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self.assertEqual(expected, result) |
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def test_flip_iterable_dict(self): |
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dictionary = {'a': ['1', '2'], 'b': ['10', '20']} |
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expected = {'1': 'a', '2': 'a', '10': 'b', '20': 'b'} |
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result = flip_iterable_dict(dictionary) |
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self.assertEqual(expected, result) |
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portfoliome /
foil
The coding style of this project requires that you add a docstring to this code element. Below, you find an example for methods:
If you would like to know more about docstrings, we recommend to read PEP-257: Docstring Conventions.