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Example 1 with VoidNamespace

use of org.apache.flink.queryablestate.client.VoidNamespace in project flink by apache.

the class KvStateServerHandlerTest method testFailureOnGetSerializedValue.

/**
 * Tests the failure response on a failure on the {@link
 * InternalKvState#getSerializedValue(byte[], TypeSerializer, TypeSerializer, TypeSerializer)}
 * call.
 */
@Test
public void testFailureOnGetSerializedValue() throws Exception {
    KvStateRegistry registry = new KvStateRegistry();
    AtomicKvStateRequestStats stats = new AtomicKvStateRequestStats();
    MessageSerializer<KvStateInternalRequest, KvStateResponse> serializer = new MessageSerializer<>(new KvStateInternalRequest.KvStateInternalRequestDeserializer(), new KvStateResponse.KvStateResponseDeserializer());
    KvStateServerHandler handler = new KvStateServerHandler(testServer, registry, serializer, stats);
    EmbeddedChannel channel = new EmbeddedChannel(getFrameDecoder(), handler);
    // Failing KvState
    InternalKvState<Integer, VoidNamespace, Long> kvState = new InternalKvState<Integer, VoidNamespace, Long>() {

        @Override
        public TypeSerializer<Integer> getKeySerializer() {
            return IntSerializer.INSTANCE;
        }

        @Override
        public TypeSerializer<VoidNamespace> getNamespaceSerializer() {
            return VoidNamespaceSerializer.INSTANCE;
        }

        @Override
        public TypeSerializer<Long> getValueSerializer() {
            return LongSerializer.INSTANCE;
        }

        @Override
        public void setCurrentNamespace(VoidNamespace namespace) {
        // do nothing
        }

        @Override
        public byte[] getSerializedValue(final byte[] serializedKeyAndNamespace, final TypeSerializer<Integer> safeKeySerializer, final TypeSerializer<VoidNamespace> safeNamespaceSerializer, final TypeSerializer<Long> safeValueSerializer) throws Exception {
            throw new RuntimeException("Expected test Exception");
        }

        @Override
        public StateIncrementalVisitor<Integer, VoidNamespace, Long> getStateIncrementalVisitor(int recommendedMaxNumberOfReturnedRecords) {
            throw new UnsupportedOperationException();
        }

        @Override
        public void clear() {
        }
    };
    KvStateID kvStateId = registry.registerKvState(new JobID(), new JobVertexID(), new KeyGroupRange(0, 0), "vanilla", kvState, getClass().getClassLoader());
    KvStateInternalRequest request = new KvStateInternalRequest(kvStateId, new byte[0]);
    ByteBuf serRequest = MessageSerializer.serializeRequest(channel.alloc(), 282872L, request);
    // Write the request and wait for the response
    channel.writeInbound(serRequest);
    ByteBuf buf = (ByteBuf) readInboundBlocking(channel);
    // skip frame length
    buf.skipBytes(4);
    // Verify the response
    assertEquals(MessageType.REQUEST_FAILURE, MessageSerializer.deserializeHeader(buf));
    RequestFailure response = MessageSerializer.deserializeRequestFailure(buf);
    buf.release();
    assertTrue(response.getCause().getMessage().contains("Expected test Exception"));
    assertEquals(1L, stats.getNumRequests());
    assertEquals(1L, stats.getNumFailed());
}
Also used : KvStateRegistry(org.apache.flink.runtime.query.KvStateRegistry) MessageSerializer(org.apache.flink.queryablestate.network.messages.MessageSerializer) JobVertexID(org.apache.flink.runtime.jobgraph.JobVertexID) KeyGroupRange(org.apache.flink.runtime.state.KeyGroupRange) EmbeddedChannel(org.apache.flink.shaded.netty4.io.netty.channel.embedded.EmbeddedChannel) ByteBuf(org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf) InternalKvState(org.apache.flink.runtime.state.internal.InternalKvState) KvStateServerHandler(org.apache.flink.queryablestate.server.KvStateServerHandler) TypeSerializer(org.apache.flink.api.common.typeutils.TypeSerializer) KvStateInternalRequest(org.apache.flink.queryablestate.messages.KvStateInternalRequest) KvStateResponse(org.apache.flink.queryablestate.messages.KvStateResponse) VoidNamespace(org.apache.flink.queryablestate.client.VoidNamespace) KvStateID(org.apache.flink.queryablestate.KvStateID) RequestFailure(org.apache.flink.queryablestate.network.messages.RequestFailure) AtomicKvStateRequestStats(org.apache.flink.queryablestate.network.stats.AtomicKvStateRequestStats) JobID(org.apache.flink.api.common.JobID) Test(org.junit.Test)

Aggregations

JobID (org.apache.flink.api.common.JobID)1 TypeSerializer (org.apache.flink.api.common.typeutils.TypeSerializer)1 KvStateID (org.apache.flink.queryablestate.KvStateID)1 VoidNamespace (org.apache.flink.queryablestate.client.VoidNamespace)1 KvStateInternalRequest (org.apache.flink.queryablestate.messages.KvStateInternalRequest)1 KvStateResponse (org.apache.flink.queryablestate.messages.KvStateResponse)1 MessageSerializer (org.apache.flink.queryablestate.network.messages.MessageSerializer)1 RequestFailure (org.apache.flink.queryablestate.network.messages.RequestFailure)1 AtomicKvStateRequestStats (org.apache.flink.queryablestate.network.stats.AtomicKvStateRequestStats)1 KvStateServerHandler (org.apache.flink.queryablestate.server.KvStateServerHandler)1 JobVertexID (org.apache.flink.runtime.jobgraph.JobVertexID)1 KvStateRegistry (org.apache.flink.runtime.query.KvStateRegistry)1 KeyGroupRange (org.apache.flink.runtime.state.KeyGroupRange)1 InternalKvState (org.apache.flink.runtime.state.internal.InternalKvState)1 ByteBuf (org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf)1 EmbeddedChannel (org.apache.flink.shaded.netty4.io.netty.channel.embedded.EmbeddedChannel)1 Test (org.junit.Test)1