icepool/tests/arithmetic_test.py at main · HighDiceRoller/icepool · GitHub

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import icepool
import pytest

from icepool import d6

test_dice = [icepool.d6, icepool.d8, icepool.d10.explode(depth=2)]


@pytest.mark.parametrize('a', test_dice)
@pytest.mark.parametrize('i', range(-5, 5))
def test_die_int_add(a, i):
    result = a + i
    expected = icepool.map(lambda x, y: x + y, a, i)
    assert result.equals(expected)


@pytest.mark.parametrize('i', range(-5, 5))
@pytest.mark.parametrize('a', test_dice)
def test_int_die_add(i, a):
    result = i + a
    expected = icepool.map(lambda x, y: x + y, i, a)
    assert result.equals(expected)


@pytest.mark.parametrize('a', test_dice)
@pytest.mark.parametrize('b', test_dice)
def test_die_die_add(a, b):
    result = a + b
    expected = icepool.map(lambda x, y: x + y, a, b)
    assert result.equals(expected)


@pytest.mark.parametrize('a', test_dice)
@pytest.mark.parametrize('i', range(-5, 5))
def test_die_int_sub(a, i):
    result = a - i
    expected = icepool.map(lambda x, y: x - y, a, i)
    assert result.equals(expected)


@pytest.mark.parametrize('i', range(-5, 5))
@pytest.mark.parametrize('a', test_dice)
def test_int_die_sub(i, a):
    result = i - a
    expected = icepool.map(lambda x, y: x - y, i, a)
    assert result.equals(expected)


@pytest.mark.parametrize('a', test_dice)
@pytest.mark.parametrize('b', test_dice)
def test_die_die_sub(a, b):
    result = a - b
    expected = icepool.map(lambda x, y: x - y, a, b)
    assert result.equals(expected)


def test_clip():
    result = icepool.d6
    result = result.clip(2, 5)
    expected = icepool.Die([2, 2, 3, 4, 5, 5])
    assert result.equals(expected)


def test_clip_skip():
    result = icepool.d6 * 2
    result = result.clip(3, 9)
    expected = icepool.Die([3, 4, 6, 8, 9, 9])
    assert result.equals(expected)


def test_clip_outside():
    result = icepool.d6
    result = result.clip(0, 7)
    expected = icepool.Die([1, 2, 3, 4, 5, 6])
    assert result.equals(expected)


def test_truncate():
    result = icepool.d6
    result = result.truncate(2, 5)
    expected = icepool.Die([2, 3, 4, 5])
    assert result.equals(expected)


def test_truncate_outside():
    result = icepool.d6
    result = result.truncate(0, 7)
    expected = icepool.Die([1, 2, 3, 4, 5, 6])
    assert result.equals(expected)


def test_truncate_skip():
    result = icepool.d6 * 2
    result = result.truncate(3, 9)
    expected = icepool.Die([4, 6, 8])
    assert result.equals(expected)


def test_abs_positive():
    result = icepool.d6.abs()
    expected = icepool.d6
    assert result.equals(expected)


def test_abs_negative():
    result = (-icepool.d6).abs()
    expected = icepool.d6
    assert result.equals(expected)


def test_abs_cross_zero():
    result = (icepool.d6 - 3).abs()
    expected = icepool.Die(range(4), times=[1, 2, 2, 1])
    assert result.equals(expected)


def test_abs_cross_zero_nonuniform():
    result = (icepool.d6 + icepool.d6 - 7).abs()
    expected = icepool.Die(range(6), times=[6, 10, 8, 6, 4, 2])
    assert result.equals(expected)


def test_mod():
    result = icepool.d10 % 4
    expected = icepool.Die(range(4), times=[2, 3, 3, 2])
    assert result.equals(expected)


def test_div():
    result = icepool.d10 // 4
    expected = icepool.Die(range(3), times=[3, 4, 3])
    assert result.equals(expected)


def test_simplify():
    result = icepool.Die(range(3), times=[2, 4, 6]).simplify()
    expected = icepool.Die(range(3), times=[1, 2, 3])
    assert result.equals(expected)


def test_matmul_int_die():
    result = 2 @ icepool.d6
    expected = icepool.d6 + icepool.d6
    assert result.equals(expected)


def test_matmul_die_die():
    result = icepool.d6 @ icepool.d6
    expected = icepool.d6.map(lambda x: x @ icepool.d6)
    assert result.equals(expected)


def test_matmul_coin_die():
    result = icepool.coin(1, 2) @ d6
    expected = icepool.coin(1, 2).map(lambda x: x @ d6)
    assert result.equals(expected)


def test_d():
    result = icepool.d3 @ icepool.d(3)
    expected = icepool.Die({
        1: 9,
        2: 12,
        3: 16,
        4: 12,
        5: 12,
        6: 10,
        7: 6,
        8: 3,
        9: 1
    })
    assert result.equals(expected)


def test_d_negative():
    result = (icepool.d7 - 4) @ icepool.d(3)
    assert result.equals(-result)