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# stdlib
import re
from operator import floordiv, truediv
from typing import List, Union
# 3rd party
import pytest
# this package
from domdf_python_tools.pagesizes.units import Unit, Unitcm, UnitInch, Unitmm, Unitpc, Unitpt, Unitum
units_of_12: List[Unit] = [Unit(12), UnitInch(12), Unitcm(12), Unitmm(12), Unitpc(12), Unitpt(12), Unitum(12)]
zero2thousand: List[int] = list(range(0, 1000, 10))
one2thousand: List[int] = list(range(1, 1000, 10))
units_zero2thousand: List[Unit] = [Unit(x) for x in zero2thousand]
units_ints_zero2thousand: List[Union[Unit, int]] = [*units_zero2thousand, *zero2thousand]
@pytest.mark.parametrize("unit", units_of_12)
def test_repr(unit: Unit):
assert re.match(r"<Unit '12\.000 .*': .*pt", repr(unit))
@pytest.mark.parametrize("unit", units_of_12)
def test_str(unit: Unit):
assert re.match(r"<Unit '12\.000\u205F.*': .*pt", str(unit))
class TestMul:
@pytest.mark.parametrize("obj", units_zero2thousand)
def test_mul_errors(self, obj: Unit):
with pytest.raises(NotImplementedError, match="Multiplying a unit by another unit is not allowed."):
Unit(17) * obj # pylint: disable=expression-not-assigned
@pytest.mark.parametrize("obj", zero2thousand)
def test_mul(self, obj: int):
assert obj * Unit(17) == obj * 17
assert obj * Unit(17 / 2) == obj * (17 / 2)
@pytest.mark.parametrize("obj", units_zero2thousand)
def test_rmul_errors(self, obj: Unit):
with pytest.raises(NotImplementedError, match="Multiplying a unit by another unit is not allowed."):
obj * Unit(17) # pylint: disable=expression-not-assigned
@pytest.mark.parametrize("obj", units_ints_zero2thousand)
def test_pow_errors(self, obj: Unit):
with pytest.raises(NotImplementedError, match="Powers are not supported for units."):
Unit(17)**obj # pylint: disable=expression-not-assigned
if isinstance(obj, Unit):
with pytest.raises(NotImplementedError, match="Powers are not supported for units."):
obj**Unit(17) # pylint: disable=expression-not-assigned
class TestDiv:
@pytest.mark.parametrize("obj", one2thousand)
def test_truediv(self, obj: int):
assert truediv(Unit(17), obj) == 17 / obj
assert truediv(Unit(17 / 2), obj) == (17 / 2) / obj
@pytest.mark.parametrize("obj", units_zero2thousand)
def test_truediv_errors(self, obj: Unit):
with pytest.raises(NotImplementedError, match="Dividing a unit by another unit is not allowed."):
truediv(Unit(17), obj)
with pytest.raises(NotImplementedError, match="Dividing a unit by another unit is not allowed."):
truediv(obj, Unit(17))
@pytest.mark.parametrize("obj", one2thousand)
def test_floordiv(self, obj: int):
assert floordiv(Unit(17), obj) == 17 // obj
assert floordiv(Unit(17 / 2), obj) == (17 / 2) // obj
@pytest.mark.parametrize("obj", units_zero2thousand)
def test_floordiv_errors(self, obj: Unit):
with pytest.raises(NotImplementedError, match="Dividing a unit by another unit is not allowed."):
floordiv(Unit(17), obj)
with pytest.raises(NotImplementedError, match="Dividing a unit by another unit is not allowed."):
floordiv(obj, Unit(17))
@pytest.mark.parametrize("obj", units_zero2thousand)
def test_modulo_errors(self, obj: Unit):
with pytest.raises(NotImplementedError, match="Modulo division of a unit by another unit is not allowed."):
Unit(17) % obj # pylint: disable=expression-not-assigned
with pytest.raises(NotImplementedError, match="Modulo division of a unit by another unit is not allowed."):
obj % Unit(17) # pylint: disable=expression-not-assigned
@pytest.mark.parametrize("obj", one2thousand)
def test_modulo(self, obj: int):
assert Unit(17) % obj == 17 % obj
@pytest.mark.parametrize("obj", zero2thousand)
def test_rtruediv_errors(self, obj: int):
with pytest.raises(NotImplementedError, match="Dividing by a unit is not allowed."):
truediv(obj, Unit(17))
# TODO eq
@pytest.mark.parametrize("unit", units_of_12)
class TestAdd:
@pytest.mark.parametrize("obj", zero2thousand)
def test_add_unit(self, unit: Unit, obj: int):
assert isinstance(unit + Unit(obj), Unit)
assert (unit + Unit(obj)).name == unit.name
assert (unit + Unit(obj)).as_pt() == unit.as_pt() + obj
@pytest.mark.parametrize("obj", zero2thousand)
def test_radd_unit(self, unit: Unit, obj: int):
assert isinstance(Unit(obj) + unit, Unit)
assert (Unit(obj) + unit).name == "pt"
assert (Unit(obj) + unit).as_pt() == unit.as_pt() + obj
@pytest.mark.parametrize("obj", zero2thousand)
def test_add_number(self, unit: Unit, obj: int):
assert isinstance(Unit(12) + obj, Unit)
assert (Unit(12) + obj).name == "pt"
assert (Unit(12) + obj).as_pt() == 12 + obj
assert isinstance(UnitInch(1) + obj, Unit)
assert (UnitInch(1) + obj).name == "inch"
assert (UnitInch(1) + obj) == UnitInch.from_pt(72) + obj
@pytest.mark.parametrize("obj", zero2thousand)
def test_radd_number(self, unit: Unit, obj: int):
assert isinstance(obj + Unit(12), Unit)
assert (obj + Unit(12)).name == "pt"
assert (obj + Unit(12)).as_pt() == 12 + obj
assert isinstance(obj + UnitInch(1), Unit)
assert (obj + UnitInch(1)).name == "inch"
assert (obj + UnitInch(1)) == UnitInch.from_pt(72) + obj
@pytest.mark.parametrize("unit", units_of_12)
class TestSub:
@pytest.mark.parametrize("obj", zero2thousand)
def test_sub_unit(self, unit: Unit, obj: int):
assert isinstance(unit + Unit(obj), Unit)
assert (unit - Unit(obj)).name == unit.name
assert (unit - Unit(obj)).as_pt() == unit.as_pt() - obj
@pytest.mark.parametrize("obj", zero2thousand)
def test_rsub_unit(self, unit: Unit, obj: int):
assert isinstance(Unit(obj) - unit, Unit)
assert (Unit(obj) - unit).name == "pt"
assert (Unit(obj) - unit).as_pt() == obj - unit.as_pt()
@pytest.mark.parametrize("obj", zero2thousand)
def test_sub_number(self, unit: Unit, obj: int):
assert isinstance(Unit(12) - obj, Unit)
assert (Unit(12) - obj).name == "pt"
assert (Unit(12) - obj).as_pt() == 12 - obj
assert isinstance(UnitInch(1) - obj, Unit)
assert (UnitInch(1) - obj).name == "inch"
assert (UnitInch(1) - obj) == UnitInch.from_pt(72) - obj
@pytest.mark.parametrize("obj", zero2thousand)
def test_rsub_number(self, unit: Unit, obj: int):
assert isinstance(obj + Unit(12), Unit)
assert (obj - Unit(12)).name == "pt"
assert (obj - Unit(12)).as_pt() == obj - 12
assert isinstance(obj - UnitInch(1), Unit)
assert (obj - UnitInch(1)).name == "inch"
assert (obj - UnitInch(1)) == obj - UnitInch.from_pt(72)
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