"""Tests for Currency model."""

from decimal import Decimal
from unittest.mock import patch

from sqlalchemy.exc import SQLAlchemyError

from ows_accounting.models import currency_exchange_rates


def test_get_currency_by_id(db_fixture):
    """Test getting currency exchange rate"""
    expected_response = {
        'id': 1,
        'period_id': 102,
        'currency_from_id': 4,
        'currency_to_id': 1,
        'exchange_rate': Decimal('2.7')
    }

    response = currency_exchange_rates.get_currency_exchange_rate(
        period_id=102, currency_from_id=4)

    assert response.status
    assert response.message == expected_response


def test_get_currency_by_id_not_found(db_fixture):
    """Test getting no currency."""
    response = currency_exchange_rates.get_currency_exchange_rate(
        period_id=10, currency_to_id=6, currency_from_id=1)

    assert response.status == 404


@patch('ows_accounting.utils.mysql.db_session', side_effect=SQLAlchemyError())
def test_get_currency_by_id_exception(monkeypatch):
    """Test getting currency with exception."""
    response = currency_exchange_rates.get_currency_exchange_rate(
        period_id=102, currency_from_id=4)

    assert response.status == 500