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"""Tests for the series exercise
Implementation note:
The slices function should raise a ValueError with a meaningful error
message if its length argument doesn't fit the series.
"""
import unittest
from series import slices
class SeriesTest(unittest.TestCase):
def test_slices_of_one(self):
self.assertEqual([[0], [1], [2], [3], [4]],
slices("01234", 1))
def test_slices_of_two(self):
self.assertEqual([[9, 7], [7, 8], [8, 6], [6, 7],
[7, 5], [5, 6], [6, 4]],
slices("97867564", 2))
def test_slices_of_three(self):
self.assertEqual([[9, 7, 8], [7, 8, 6], [8, 6, 7],
[6, 7, 5], [7, 5, 6], [5, 6, 4]],
slices("97867564", 3))
def test_slices_of_four(self):
self.assertEqual([[0, 1, 2, 3], [1, 2, 3, 4]],
slices("01234", 4))
def test_slices_of_five(self):
self.assertEqual([[0, 1, 2, 3, 4]],
slices("01234", 5))
def test_overly_long_slice(self):
with self.assertRaises(ValueError):
slices("012", 4)
def test_overly_short_slice(self):
with self.assertRaises(ValueError):
slices("01234", 0)
if __name__ == '__main__':
unittest.main()
Version data entries
127 entries across 127 versions & 1 rubygems