52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
import unittest
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from grains import square, total
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# Tests adapted from `problem-specifications//canonical-data.json`
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class GrainsTest(unittest.TestCase):
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def test_1(self):
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self.assertEqual(square(1), 1)
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def test_2(self):
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self.assertEqual(square(2), 2)
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def test_3(self):
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self.assertEqual(square(3), 4)
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def test_4(self):
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self.assertEqual(square(4), 8)
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def test_16(self):
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self.assertEqual(square(16), 32768)
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def test_32(self):
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self.assertEqual(square(32), 2147483648)
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def test_64(self):
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self.assertEqual(square(64), 9223372036854775808)
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def test_square_0_raises_an_exception(self):
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with self.assertRaisesWithMessage(ValueError):
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square(0)
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def test_negative_square_raises_an_exception(self):
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with self.assertRaisesWithMessage(ValueError):
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square(-1)
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def test_square_greater_than_64_raises_an_exception(self):
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with self.assertRaisesWithMessage(ValueError):
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square(65)
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def test_returns_the_total_number_of_grains_on_the_board(self):
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self.assertEqual(total(), 18446744073709551615)
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# Utility functions
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def assertRaisesWithMessage(self, exception):
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return self.assertRaisesRegex(exception, r".+")
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if __name__ == "__main__":
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unittest.main()
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