"""Unit tests for snowflake_calculate_totals task."""

from unittest.mock import patch

from lib import config
from tasks.accounting_run_calculate_nr.snowflake_calculate_totals import \
    calculate_run_totals_task

import_path = 'tasks.accounting_run_calculate_nr.snowflake_calculate_totals'


@patch(f'{import_path}.RoyaltySnowflakeHook')
@patch(f'{import_path}.shared_helpers')
@patch(f'{import_path}.helpers')
@patch(f'{import_path}.calculate_totals_nr_template')
def test_calculate_run_totals_task_success(
    mock_template,
    mock_helpers,
    mock_shared_helpers,
    mock_hook,
    mock_accounting_run_calculate_nr_dag_run
):
    """Test task that calculates NR run totals and stages them in snowflake."""
    accounting_run_id = 123
    accounting_period = {
        'statement_period_id': 456
    }
    accounting_run = {
        'accounting_run_id': accounting_run_id,
        'run_controller_name': 'Test NR Run'
    }

    mock_helpers.get_event_from_params.return_value.target_id = accounting_run_id
    mock_shared_helpers.get_event_records.return_value = \
        accounting_period, accounting_run

    mock_template.return_value.render.return_value = \
        'CALCULATE RUN TOTALS AND INSERT RESULTS INTO ACCOUNTING_RUN_RESULTS_NR_STAGING'
    mock_hook.return_value.run.return_value = True

    calculate_run_totals_task(mock_accounting_run_calculate_nr_dag_run)

    mock_helpers.get_event_from_params.assert_called_once_with(
        mock_accounting_run_calculate_nr_dag_run
    )
    mock_shared_helpers.get_event_records.assert_called_once_with(accounting_run_id)
    mock_hook.assert_called_once_with(snowflake_conn_id=config.SNOWFLAKE_CONN_NAME)
    mock_template.return_value.render.assert_called_once_with(
        accounting_run_id=accounting_run_id,
        accounting_run_name=accounting_run.get('run_controller_name'),
        schema=config.OWS_ENV,
        statement_period_id=accounting_period.get('statement_period_id')
    )