tests/db_engine_specs/base_tests.py

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# isort:skip_file
from datetime import datetime

from tests.test_app import app
from tests.base_tests import SupersetTestCase
from superset.db_engine_specs.mysql import MySQLEngineSpec
from superset.models.core import Database


class TestDbEngineSpec(SupersetTestCase):
    def sql_limit_regex(
        self, sql, expected_sql, engine_spec_class=MySQLEngineSpec, limit=1000
    ):
        main = Database(database_name="test_database", sqlalchemy_uri="sqlite://")
        limited = engine_spec_class.apply_limit_to_sql(sql, limit, main)
        self.assertEqual(expected_sql, limited)

    @classmethod
    def get_dttm(cls):
        return datetime.strptime("2019-01-02 03:04:05.678900", "%Y-%m-%d %H:%M:%S.%f")