exercism.org/python/grains/grains_test.py

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2024-03-25 09:39:29 +01:00
# These tests are auto-generated with test data from:
# https://github.com/exercism/problem-specifications/tree/main/exercises/grains/canonical-data.json
# File last updated on 2023-09-27
import unittest
from grains import (
square,
total,
)
class GrainsTest(unittest.TestCase):
def test_grains_on_square_1(self):
self.assertEqual(square(1), 1)
def test_grains_on_square_2(self):
self.assertEqual(square(2), 2)
def test_grains_on_square_3(self):
self.assertEqual(square(3), 4)
def test_grains_on_square_4(self):
self.assertEqual(square(4), 8)
def test_grains_on_square_16(self):
self.assertEqual(square(16), 32768)
def test_grains_on_square_32(self):
self.assertEqual(square(32), 2147483648)
def test_grains_on_square_64(self):
self.assertEqual(square(64), 9223372036854775808)
def test_square_0_is_invalid(self):
with self.assertRaises(ValueError) as err:
square(0)
self.assertEqual(type(err.exception), ValueError)
self.assertEqual(err.exception.args[0], "square must be between 1 and 64")
def test_negative_square_is_invalid(self):
with self.assertRaises(ValueError) as err:
square(-1)
self.assertEqual(type(err.exception), ValueError)
self.assertEqual(err.exception.args[0], "square must be between 1 and 64")
def test_square_greater_than_64_is_invalid(self):
with self.assertRaises(ValueError) as err:
square(65)
self.assertEqual(type(err.exception), ValueError)
self.assertEqual(err.exception.args[0], "square must be between 1 and 64")
def test_returns_the_total_number_of_grains_on_the_board(self):
self.assertEqual(total(), 18446744073709551615)