44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
import unittest
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from flatten_array import (
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flatten,
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)
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# Tests adapted from `problem-specifications//canonical-data.json`
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class FlattenArrayTest(unittest.TestCase):
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def test_no_nesting(self):
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inputs = [0, 1, 2]
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expected = [0, 1, 2]
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self.assertEqual(flatten(inputs), expected)
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def test_flattens_array_with_just_integers_present(self):
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inputs = [1, [2, 3, 4, 5, 6, 7], 8]
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expected = [1, 2, 3, 4, 5, 6, 7, 8]
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self.assertEqual(flatten(inputs), expected)
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def test_5_level_nesting(self):
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inputs = [0, 2, [[2, 3], 8, 100, 4, [[[50]]]], -2]
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expected = [0, 2, 2, 3, 8, 100, 4, 50, -2]
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self.assertEqual(flatten(inputs), expected)
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def test_6_level_nesting(self):
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inputs = [1, [2, [[3]], [4, [[5]]], 6, 7], 8]
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expected = [1, 2, 3, 4, 5, 6, 7, 8]
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self.assertEqual(flatten(inputs), expected)
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def test_6_level_nest_list_with_null_values(self):
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inputs = [0, 2, [[2, 3], 8, [[100]], None, [[None]]], -2]
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expected = [0, 2, 2, 3, 8, 100, -2]
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self.assertEqual(flatten(inputs), expected)
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def test_all_values_in_nested_list_are_null(self):
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inputs = [None, [[[None]]], None, None, [[None, None], None], None]
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expected = []
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self.assertEqual(flatten(inputs), expected)
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if __name__ == "__main__":
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unittest.main()
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