tests/affinity/test_affinity_bad_servers.py

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import pytest

from pyignite import Client, AioClient
from pyignite.exceptions import ReconnectError, connection_errors
from tests.affinity.conftest import CLIENT_SOCKET_TIMEOUT
from tests.util import start_ignite, kill_process_tree


@pytest.fixture(params=['with-partition-awareness', 'without-partition-awareness'])
def with_partition_awareness(request):
    yield request.param == 'with-partition-awareness'


def test_client_with_multiple_bad_servers(with_partition_awareness):
    with pytest.raises(ReconnectError, match="Can not connect."):
        client = Client(partition_aware=with_partition_awareness)
        with client.connect([("127.0.0.1", 10900), ("127.0.0.1", 10901)]):
            pass


@pytest.mark.asyncio
async def test_client_with_multiple_bad_servers_async(with_partition_awareness):
    with pytest.raises(ReconnectError, match="Can not connect."):
        client = AioClient(partition_aware=with_partition_awareness)
        async with client.connect([("127.0.0.1", 10900), ("127.0.0.1", 10901)]):
            pass


def test_client_with_failed_server(request, with_partition_awareness):
    srv = start_ignite(idx=4)
    try:
        client = Client(partition_aware=with_partition_awareness)
        with 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)

            if with_partition_awareness:
                ex_class = (ReconnectError, ConnectionResetError)
            else:
                ex_class = ConnectionResetError

            with pytest.raises(ex_class):
                cache.get(1)
    finally:
        kill_process_tree(srv.pid)


@pytest.mark.asyncio
async def test_client_with_failed_server_async(request, with_partition_awareness):
    srv = start_ignite(idx=4)
    try:
        client = AioClient(partition_aware=with_partition_awareness)
        async with client.connect([("127.0.0.1", 10804)]):
            cache = await client.get_or_create_cache(request.node.name)
            await cache.put(1, 1)
            kill_process_tree(srv.pid)

            if with_partition_awareness:
                ex_class = (ReconnectError, ConnectionResetError)
            else:
                ex_class = ConnectionResetError

            with pytest.raises(ex_class):
                await cache.get(1)
    finally:
        kill_process_tree(srv.pid)


def test_client_with_recovered_server(request, with_partition_awareness):
    srv = start_ignite(idx=4)
    try:
        client = Client(partition_aware=with_partition_awareness, timeout=CLIENT_SOCKET_TIMEOUT)
        with 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(idx=4)

            # First request may fail.
            try:
                cache.put(1, 2)
            except connection_errors:
                pass

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


@pytest.mark.asyncio
async def test_client_with_recovered_server_async(request, with_partition_awareness):
    srv = start_ignite(idx=4)
    try:
        client = AioClient(partition_aware=with_partition_awareness)
        async with client.connect([("127.0.0.1", 10804)]):
            cache = await client.get_or_create_cache(request.node.name)
            await cache.put(1, 1)

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

            # First request may fail.
            try:
                await cache.put(1, 2)
            except connection_errors:
                pass

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