test_bigquery_to_mysql.py

# -*- coding: utf-8 -*-
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import unittest

from airflow.operators.bigquery_to_mysql import BigQueryToMySqlOperator
from tests.compat import mock

TASK_ID = 'test-bq-create-table-operator'
TEST_DATASET = 'test-dataset'
TEST_TABLE_ID = 'test-table-id'
TEST_DAG_ID = 'test-bigquery-operators'


class TestBigQueryToMySqlOperator(unittest.TestCase):
    @mock.patch('airflow.operators.bigquery_to_mysql.BigQueryHook')
    def test_execute_good_request_to_bq(self, mock_hook):
        destination_table = 'table'
        operator = BigQueryToMySqlOperator(
            task_id=TASK_ID,
            dataset_table='{}.{}'.format(TEST_DATASET, TEST_TABLE_ID),
            mysql_table=destination_table,
            replace=False,
        )

        operator.execute(None)
        mock_hook.return_value \
            .get_conn.return_value \
            .cursor.return_value \
            .get_tabledata \
            .assert_called_once_with(
                dataset_id=TEST_DATASET,
                table_id=TEST_TABLE_ID,
                max_results=1000,
                selected_fields=None,
                start_index=0
            )