"""Test Exchange Rate Model."""

from royalties.models.exchange_rate import ExchangeRate
from royalties.tests.utils.factories import StatementPeriodFactory


def test_create_exchange_rate(test_app_request):
    """Test creating an exchange rate with related models."""
    statement_period = StatementPeriodFactory.create()
    from_currency_code = 'USD'
    to_currency_code = 'CAD'
    rate = 0.123456
    new_exchange_rate = ExchangeRate.create(
        statement_period=statement_period,
        from_currency_code=from_currency_code,
        to_currency_code=to_currency_code,
        rate=rate,
    )

    assert new_exchange_rate.exchange_rate_id is not None
    assert new_exchange_rate.statement_period == statement_period
    assert new_exchange_rate.from_currency_code == from_currency_code
    assert new_exchange_rate.to_currency_code == to_currency_code
    assert float(new_exchange_rate.rate) == rate