tests/test_affinity_bad_servers.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 pytest

from pyignite.exceptions import ReconnectError
from tests.util import *


def test_client_with_multiple_bad_servers(start_client):
    client = start_client(partition_aware=True)
    with pytest.raises(ReconnectError) as e_info:
        client.connect([("127.0.0.1", 10900), ("127.0.0.1", 10901)])
    assert str(e_info.value) == "Can not connect."


def test_client_with_failed_server(request, start_ignite_server, start_client):
    srv = start_ignite_server(4)
    try:
        client = start_client()
        client.connect([("127.0.0.1", 10804)])
        cache = client.get_or_create_cache(request.node.name)
        cache.put(1, 1)
        kill_process_tree(srv.pid)
        with pytest.raises(ConnectionResetError):
            cache.get(1)
    finally:
        kill_process_tree(srv.pid)


def test_client_with_recovered_server(request, start_ignite_server, start_client):
    srv = start_ignite_server(4)
    try:
        client = start_client()
        client.connect([("127.0.0.1", 10804)])
        cache = client.get_or_create_cache(request.node.name)
        cache.put(1, 1)

        # Kill and restart server
        kill_process_tree(srv.pid)
        srv = start_ignite_server(4)

        # First request fails
        with pytest.raises(Exception):
            cache.put(1, 2)

        # Retry succeeds
        cache.put(1, 2)
        assert cache.get(1) == 2
    finally:
        kill_process_tree(srv.pid)