python/adbc_driver_flightsql/tests/test_lowlevel.py

# 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 pyarrow
import pytest

import adbc_driver_flightsql
import adbc_driver_manager


def test_load_driver():
    # Fails, but in environments where we don't spin up testing
    # servers, this checks that we can at least *load* the driver
    with pytest.raises(
        adbc_driver_manager.OperationalError, match="Error while dialing"
    ):
        with adbc_driver_flightsql.connect("grpc://127.0.0.100:12345") as db:
            with adbc_driver_manager.AdbcConnection(db) as conn:
                with adbc_driver_manager.AdbcStatement(conn) as stmt:
                    stmt.set_sql_query("SELECT 1")
                    stmt.execute_query()


def test_query_trivial(dremio):
    with adbc_driver_manager.AdbcStatement(dremio) as stmt:
        stmt.set_sql_query("SELECT 1")
        stream, _ = stmt.execute_query()
        reader = pyarrow.RecordBatchReader._import_from_c(stream.address)
        assert reader.read_all()


def test_options(dremio):
    with adbc_driver_manager.AdbcStatement(dremio) as stmt:
        stmt.set_options(
            **{
                adbc_driver_flightsql.StatementOptions.QUEUE_SIZE.value: "2",
                adbc_driver_flightsql.StatementOptions.TIMEOUT_FETCH.value: "10",
            }
        )
        stmt.set_sql_query("SELECT 1")
        stream, _ = stmt.execute_query()
        reader = pyarrow.RecordBatchReader._import_from_c(stream.address)
        assert reader.read_all()


def test_version():
    assert adbc_driver_flightsql.__version__  # type:ignore