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programming-basics-2022/03/tests/test_merge.py

61 lines
1.6 KiB

import unittest
from merge.imlementation import merge, mergesort
from typing import List
class MergeTestCase(unittest.TestCase):
def test_merge_minimal(self):
self.assertEqual(
merge([], []),
[],
)
def test_merge_one(self):
self.assertEqual(merge([301], []), [301])
self.assertEqual(merge([-301], []), [-301])
self.assertEqual(merge([], [-31]), [-31])
self.assertEqual(merge([], [31]), [31])
def test_merge_two(self):
self.assertEqual(merge([301], [1]), [1, 301])
self.assertEqual(merge([1], [301]), [1, 301])
self.assertEqual(merge([-301, 1], []), [-301, 1])
self.assertEqual(merge([], [-301, 1]), [-301, 1])
def test_mergesort_minimal(self):
self.assertEqual(
mergesort([]),
[],
)
def test_mergesort_one(self):
self.assertEqual(mergesort([3]), [3])
self.assertEqual(mergesort([-3]), [-3])
def test_mergesort_two(self):
self.assertEqual(mergesort([1, 3]), [1, 3])
self.assertEqual(mergesort([3, 1]), [1, 3])
self.assertEqual(
mergesort([3, 3]),
[3, 3],
)
def test_small(self):
self.assertEqual(
mergesort([3, 3, 1, 2, 4, 6, 2, 4]),
[1, 2, 2, 3, 3, 4, 4, 6],
)
def test_small2(self):
self.assertEqual(
mergesort([3, -3, 1, 2, 4, -6, 2, 4]),
[-6, -3, 1, 2, 2, 3, 4, 4],
)
# def test_forbidden(self):
# self.assertEqual(
# mergesort(["a", "b", 3]),
# ["a", "b", 3],
# )