43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
import pytest
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from roll.roll import Roll
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def test_roll_validation():
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with pytest.raises(ValueError):
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Roll(0, 20)
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with pytest.raises(ValueError):
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Roll(1, 1)
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@pytest.mark.parametrize(
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("roll", "expected"),
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[(Roll(1, 20), "1d20"), (Roll(2, 20, 3), "2d20+3"), (Roll(4, 6, -3), "4d6-3")],
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)
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def test_str_roundtrip(roll: Roll, expected: str):
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assert roll.to_str() == expected
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assert Roll.from_str(expected) == roll
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@pytest.mark.parametrize("roll", ["d90", "0d0", "-1d-1", "aba", "000", "1d1d1d"])
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def test_from_bad_str(roll: str):
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with pytest.raises(ValueError):
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Roll.from_str(roll)
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def test_modify():
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roll = Roll(2, 20)
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modified_roll = roll.modify(3)
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assert modified_roll == Roll(2, 20, 3)
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assert roll == Roll(2, 20)
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assert modified_roll is not roll and modified_roll != roll
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@pytest.mark.parametrize("n", list(range(1, 5)))
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@pytest.mark.parametrize("sides", list(range(2, 100)))
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def test_throw(n: int, sides: int):
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roll = Roll(n, sides)
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throw = roll.throw()
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assert len(throw.results) == n
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assert all(1 <= result <= sides for result in throw.results)
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