"""Test for vat exempt lambda invocation."""

from unittest.mock import patch

import pytest

from hooks.lambda_invoke.invocation_response import LambdaInvocationResponse
from tasks.accounting_period_calculate_vat.invoke_vat_exempt_lambda import \
    invoke_vat_exempt_lambda_task


@patch('tasks.accounting_period_calculate_vat.invoke_vat_exempt_lambda'
       '.OrchLambdaHook')
def test_invoke_vat_exempt_lambda_success(
    mock_orchlambdahook,
    mock_accounting_period_calc_vat_dag_run,
    lambda_response_success
):
    """Test invoke_vat_exempt_lambda task success."""
    mock_lambda_response = LambdaInvocationResponse(lambda_response_success)
    mock_orchlambdahook.return_value.invoke_lambda.return_value = mock_lambda_response

    invoke_vat_exempt_lambda_task(mock_accounting_period_calc_vat_dag_run)
    mock_orchlambdahook.assert_called_once()


@patch('tasks.accounting_period_calculate_vat.invoke_vat_exempt_lambda'
       '.OrchLambdaHook')
def test_invoke_vat_exempt_lambda_error(
        mock_orchlambdahook,
        mock_accounting_period_calc_vat_dag_run,
        lambda_response_error
):
    """Test invoke_vat_exempt_lambda raises exception when lambda fails."""
    mock_lambda_response = LambdaInvocationResponse(lambda_response_error)
    mock_orchlambdahook.return_value.invoke_lambda.return_value = mock_lambda_response

    with pytest.raises(Exception):
        invoke_vat_exempt_lambda_task(mock_accounting_period_calc_vat_dag_run)

    mock_orchlambdahook.assert_called_once()