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Contents
import unittest
from flatten_array import flatten
# Tests adapted from `problem-specifications//canonical-data.json` @ v1.2.0
class FlattenArrayTests(unittest.TestCase):
def test_no_nesting(self):
self.assertEqual(flatten([0, 1, 2]), [0, 1, 2])
def test_flatten_integers(self):
inputs = [1, [2, 3, 4, 5, 6, 7], 8]
expected = [1, 2, 3, 4, 5, 6, 7, 8]
self.assertEqual(flatten(inputs), expected)
def test_five_level_nesting(self):
inputs = [0, 2, [[2, 3], 8, 100, 4, [[[50]]]], -2]
expected = [0, 2, 2, 3, 8, 100, 4, 50, -2]
self.assertEqual(flatten(inputs), expected)
def test_six_level_nesting(self):
inputs = [1, [2, [[3]], [4, [[5]]], 6, 7], 8]
expected = [1, 2, 3, 4, 5, 6, 7, 8]
self.assertEqual(flatten(inputs), expected)
def test_with_none_values(self):
inputs = [0, 2, [[2, 3], 8, [[100]], None, [[None]]], -2]
expected = [0, 2, 2, 3, 8, 100, -2]
self.assertEqual(flatten(inputs), expected)
def test_all_values_are_none(self):
inputs = [None, [[[None]]], None, None, [[None, None], None], None]
expected = []
self.assertEqual(flatten(inputs), expected)
# Additional tests for this track
def test_empty_nested_lists(self):
self.assertEqual(flatten([[()]]), [])
def test_strings(self):
self.assertEqual(flatten(['0', ['1', '2']]), ['0', '1', '2'])
if __name__ == '__main__':
unittest.main()
Version data entries
54 entries across 54 versions & 1 rubygems