incubator-superset0.99/tests/db_engine_specs/snowflake_tests.py

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from sqlalchemy import column

from superset.db_engine_specs.snowflake import SnowflakeEngineSpec
from tests.db_engine_specs.base_tests import DbEngineSpecTestCase


class SnowflakeTestCase(DbEngineSpecTestCase):
    def test_convert_dttm(self):
        dttm = self.get_dttm()

        self.assertEqual(
            SnowflakeEngineSpec.convert_dttm("DATE", dttm), "TO_DATE('2019-01-02')"
        )

        self.assertEqual(
            SnowflakeEngineSpec.convert_dttm("DATETIME", dttm),
            "CAST('2019-01-02T03:04:05.678900' AS DATETIME)",
        )

        self.assertEqual(
            SnowflakeEngineSpec.convert_dttm("TIMESTAMP", dttm),
            "TO_TIMESTAMP('2019-01-02T03:04:05.678900')",
        )