Ejemplo n.º 1
0
    def test_execute_error_must_pass_through(self, monkeypatch):
        snowflake_module_connect_method = MagicMock()
        connection = MagicMock(spec=sf.SnowflakeConnection)
        cursor = MagicMock(spec=sf.DictCursor)

        # link all the mocks together appropriately
        snowflake_module_connect_method.return_value = connection
        connection.cursor = cursor

        # database cursors can be ugly to mock given  the use of __enter__
        cursor.return_value.__enter__.return_value.execute.side_effect = (
            sf.DatabaseError("Invalid query"))
        snowflake_connector_module = MagicMock(
            connect=snowflake_module_connect_method)

        monkeypatch.setattr("prefect.tasks.snowflake.snowflake.sf",
                            snowflake_connector_module)

        task = SnowflakeQuery(account="test",
                              user="******",
                              password="******",
                              warehouse="test")

        with pytest.raises(sf.errors.DatabaseError, match="Invalid query"):
            task.run(query="SELECT * FROM foo")
Ejemplo n.º 2
0
    def test_execute_error_must_pass_through(self, monkeypatch, sql_file):
        connection = MagicMock(spec=sf.SnowflakeConnection)
        snowflake_module_connect_method = MagicMock(return_value=connection)
        snowflake_connector_module = MagicMock(connect=snowflake_module_connect_method)

        # setting error
        connection.execute_string.side_effect = sf.DatabaseError("Invalid query")

        monkeypatch.setattr(
            "prefect.tasks.snowflake.snowflake.sf", snowflake_connector_module
        )

        task = SnowflakeQueriesFromFile(
            account="test", user="******", password="******", warehouse="test"
        )

        with pytest.raises(sf.errors.DatabaseError, match="Invalid query"):
            task.run(file_path=sql_file)