tests/custom/test_cluster.py

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import pytest

from pyignite import Client, AioClient
from pyignite.exceptions import CacheError
from tests.util import clear_ignite_work_dir, start_ignite_gen

from pyignite.datatypes import ClusterState


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


@pytest.fixture(autouse=True)
def cleanup():
    clear_ignite_work_dir()
    yield None
    clear_ignite_work_dir()


@pytest.fixture(autouse=True)
def server1(with_persistence, cleanup):
    yield from start_ignite_gen(idx=1, use_persistence=with_persistence)


@pytest.fixture(autouse=True)
def server2(with_persistence, cleanup):
    yield from start_ignite_gen(idx=2, use_persistence=with_persistence)


@pytest.fixture(autouse=True)
def cluster_api_supported(request, server1):
    client = Client()
    client.connect('127.0.0.1', 10801)

    if not client.protocol_context.is_cluster_api_supported():
        pytest.skip(f'skipped {request.node.name}, ExpiryPolicy APIis not supported.')


def test_cluster_set_active(with_persistence):
    key = 42
    val = 42
    start_state = ClusterState.INACTIVE if with_persistence else ClusterState.ACTIVE

    client = Client()
    with client.connect([("127.0.0.1", 10801), ("127.0.0.1", 10802)]):
        cluster = client.get_cluster()
        assert cluster.get_state() == start_state

        cluster.set_state(ClusterState.ACTIVE)
        assert cluster.get_state() == ClusterState.ACTIVE

        cache = client.get_or_create_cache("test_cache")
        cache.put(key, val)
        assert cache.get(key) == val

        cluster.set_state(ClusterState.ACTIVE_READ_ONLY)
        assert cluster.get_state() == ClusterState.ACTIVE_READ_ONLY

        assert cache.get(key) == val
        with pytest.raises(CacheError):
            cache.put(key, val + 1)

        cluster.set_state(ClusterState.INACTIVE)
        assert cluster.get_state() == ClusterState.INACTIVE

        with pytest.raises(CacheError):
            cache.get(key)

        with pytest.raises(CacheError):
            cache.put(key, val + 1)

        cluster.set_state(ClusterState.ACTIVE)
        assert cluster.get_state() == ClusterState.ACTIVE

        cache.put(key, val + 2)
        assert cache.get(key) == val + 2


@pytest.mark.asyncio
async def test_cluster_set_active_async(with_persistence):
    key = 42
    val = 42
    start_state = ClusterState.INACTIVE if with_persistence else ClusterState.ACTIVE

    client = AioClient()
    async with client.connect([("127.0.0.1", 10801), ("127.0.0.1", 10802)]):
        cluster = client.get_cluster()
        assert await cluster.get_state() == start_state

        await cluster.set_state(ClusterState.ACTIVE)
        assert await cluster.get_state() == ClusterState.ACTIVE

        cache = await client.get_or_create_cache("test_cache")
        await cache.put(key, val)
        assert await cache.get(key) == val

        await cluster.set_state(ClusterState.ACTIVE_READ_ONLY)
        assert await cluster.get_state() == ClusterState.ACTIVE_READ_ONLY

        assert await cache.get(key) == val
        with pytest.raises(CacheError):
            await cache.put(key, val + 1)

        await cluster.set_state(ClusterState.INACTIVE)
        assert await cluster.get_state() == ClusterState.INACTIVE

        with pytest.raises(CacheError):
            await cache.get(key)

        with pytest.raises(CacheError):
            await cache.put(key, val + 1)

        await cluster.set_state(ClusterState.ACTIVE)
        assert await cluster.get_state() == ClusterState.ACTIVE

        await cache.put(key, val + 2)
        assert await cache.get(key) == val + 2