text: # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you under the Apache License, Version 2.0 (the
  # "License"); you may not use this file except in compliance
  # with the License.  You may obtain a copy of the License at
  #
  #   http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing,
  # software distributed under the License is distributed on an
  # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  # KIND, either express or implied.  See the License for the
  # specific language governing permissions and limitations
  # under the License.
  import json
  from datetime import datetime
  from unittest import mock
  
  import pytest
  from flask.ctx import AppContext
  
  from superset.errors import ErrorLevel, SupersetError, SupersetErrorType
  from tests.unit_tests.fixtures.common import dttm
  
  
  @pytest.mark.parametrize(
      "actual,expected",
      [
          ("DATE", "TO_DATE('2019-01-02')"),
          ("DATETIME", "CAST('2019-01-02T03:04:05.678900' AS DATETIME)"),
          ("TIMESTAMP", "TO_TIMESTAMP('2019-01-02T03:04:05.678900')"),
      ],
  )
  def test_convert_dttm(
      app_context: AppContext, actual: str, expected: str, dttm: datetime
  ) -> None:
      from superset.db_engine_specs.snowflake import SnowflakeEngineSpec
  
      assert SnowflakeEngineSpec.convert_dttm(actual, dttm) == expected
  
  
  def test_database_connection_test_mutator(app_context: AppContext) -> None:
      from superset.db_engine_specs.snowflake import SnowflakeEngineSpec
      from superset.models.core import Database
  
      database = Database(sqlalchemy_uri="snowflake://abc")
      SnowflakeEngineSpec.mutate_db_for_connection_test(database)
      engine_params = json.loads(database.extra or "{}")
  
      assert {
          "engine_params": {"connect_args": {"validate_default_parameters": True}}
      } == engine_params
  
  
  def test_extract_errors(app_context: AppContext) -> None:
      from superset.db_engine_specs.snowflake import SnowflakeEngineSpec
  
      msg = "Object dumbBrick does not exist or not authorized."
      result = SnowflakeEngineSpec.extract_errors(Exception(msg))
      assert result == [
          SupersetError(
              message="dumbBrick does not exist in this database.",
              error_type=SupersetErrorType.OBJECT_DOES_NOT_EXIST_ERROR,
              level=ErrorLevel.ERROR,
              extra={
                  "engine_name": "Snowflake",
                  "issue_codes": [
                      {
                          "code": 1029,
                          "message": "Issue 1029 - The object does not exist in the given database.",
                      }
                  ],
              },
          )
      ]
  
      msg = "syntax error line 1 at position 10 unexpected 'limmmited'."
      result = SnowflakeEngineSpec.extract_errors(Exception(msg))
      assert result == [
          SupersetError(
              message='Please check your query for syntax errors at or near "limmmited". Then, try running your query again.',
              error_type=SupersetErrorType.SYNTAX_ERROR,
              level=ErrorLevel.ERROR,
              extra={
                  "engine_name": "Snowflake",
                  "issue_codes": [
                      {
                          "code": 1030,
                          "message": "Issue 1030 - The query has a syntax error.",
                      }
                  ],
              },
          )
      ]
  
  
  @mock.patch("sqlalchemy.engine.Engine.connect")
  def test_get_cancel_query_id(engine_mock: mock.Mock) -> None:
      from superset.db_engine_specs.snowflake import SnowflakeEngineSpec
      from superset.models.sql_lab import Query
  
      query = Query()
      cursor_mock = engine_mock.return_value.__enter__.return_value
      cursor_mock.fetchone.return_value = [123]
      assert SnowflakeEngineSpec.get_cancel_query_id(cursor_mock, query) == 123
  
  
  @mock.patch("sqlalchemy.engine.Engine.connect")
  def test_cancel_query(engine_mock: mock.Mock) -> None:
      from superset.db_engine_specs.snowflake import SnowflakeEngineSpec
      from superset.models.sql_lab import Query
  
      query = Query()
      cursor_mock = engine_mock.return_value.__enter__.return_value
      assert SnowflakeEngineSpec.cancel_query(cursor_mock, query, "123") is True
  
  
  @mock.patch("sqlalchemy.engine.Engine.connect")
  def test_cancel_query_failed(engine_mock: mock.Mock) -> None:
      from superset.db_engine_specs.snowflake import SnowflakeEngineSpec
      from superset.models.sql_lab import Query
  
      query = Query()
      cursor_mock = engine_mock.raiseError.side_effect = Exception()
      assert SnowflakeEngineSpec.cancel_query(cursor_mock, query, "123") is False
  