def METHOD_NAME(self):
    # Arrange
    equity = Money(1_000_000, USD)
    # Act
    result = self.sizer.calculate(
        entry=Price.from_str("1.00087"),
        stop_loss=Price.from_str("1.00000"),
        equity=equity,
        risk=Decimal("0.001"),  # 0.1%
        unit_batch_size=Decimal(25000),
        units=4,
    )
    # Assert
    assert result == Quantity.from_int(275000)