Examples with BoltStateMachine org.neo4j.bolt.runtime.statemachine.BoltStateMachine used on opensource projects

Example 26 with BoltStateMachine

use of org.neo4j.bolt.runtime.statemachine.BoltStateMachine in project neo4j by neo4j.

the class BoltRequestMessageReaderV41Test method verifyBoltV3MessageIsReadAsBoltV4Message.

private static void verifyBoltV3MessageIsReadAsBoltV4Message(TransactionInitiatingMessage messageV3, TransactionInitiatingMessage messageV4) throws Exception {
    Neo4jPack neo4jPack = newNeo4jPack();
    BoltStateMachine stateMachine = mock(BoltStateMachine.class);
    BoltRequestMessageReader reader = requestMessageReader(stateMachine);
    PackedInputArray input = new PackedInputArray(encode(neo4jPack, messageV3));
    Neo4jPack.Unpacker unpacker = neo4jPack.newUnpacker(input);
    reader.read(unpacker);
    verify(stateMachine).process(eq(messageV4), any());
    assertThat(messageV3.meta()).isEqualTo(messageV4.meta());
}

Example 27 with BoltStateMachine

use of org.neo4j.bolt.runtime.statemachine.BoltStateMachine in project neo4j by neo4j.

the class BoltRequestMessageReaderV43Test method verifyBoltV3MessageIsReadAsBoltV4Message.

private static void verifyBoltV3MessageIsReadAsBoltV4Message(TransactionInitiatingMessage messageV3, TransactionInitiatingMessage messageV4) throws Exception {
    Neo4jPack neo4jPack = newNeo4jPack();
    BoltStateMachine stateMachine = mock(BoltStateMachine.class);
    BoltRequestMessageReader reader = requestMessageReader(stateMachine);
    PackedInputArray input = new PackedInputArray(encode(neo4jPack, messageV3));
    Neo4jPack.Unpacker unpacker = neo4jPack.newUnpacker(input);
    reader.read(unpacker);
    verify(stateMachine).process(eq(messageV4), any());
    assertThat(messageV3.meta()).isEqualTo(messageV4.meta());
}

Example 28 with BoltStateMachine

use of org.neo4j.bolt.runtime.statemachine.BoltStateMachine in project neo4j by neo4j.

the class BoltRequestMessageV3Test method unpack.

private <T extends RequestMessage> T unpack(RecordingByteChannel channel) throws Exception {
    List<RequestMessage> messages = new ArrayList<>();
    BoltStateMachine stateMachine = mock(BoltStateMachine.class);
    doAnswer((Answer<Void>) invocationOnMock -> {
        RequestMessage msg = invocationOnMock.getArgument(0);
        messages.add(msg);
        return null;
    }).when(stateMachine).process(any(), any());
    BoltRequestMessageReader reader = new BoltRequestMessageReaderV3(new SynchronousBoltConnection(stateMachine), mock(BoltResponseMessageWriter.class), mock(ChannelProtector.class), NullLogService.getInstance());
    byte[] bytes = channel.getBytes();
    String serialized = HexPrinter.hex(bytes);
    Neo4jPack.Unpacker unpacker = neo4jPack.newUnpacker(new PackedInputArray(bytes));
    try {
        reader.read(unpacker);
    } catch (Throwable e) {
        throw new AssertionError("Failed to unpack message, wire data was:\n" + serialized + "[" + bytes.length + "b]", e);
    }
    return (T) messages.get(0);
}

Example 29 with BoltStateMachine

use of org.neo4j.bolt.runtime.statemachine.BoltStateMachine in project neo4j by neo4j.

the class DefaultBoltProtocolFactoryTest method shouldCreateBoltProtocol.

@ParameterizedTest(name = "V{0}.{1}")
@CsvSource({ "3, 0", "4, 0", "4, 1", "4, 2", "4, 3" })
void shouldCreateBoltProtocol(int majorVersion, int minorVersion) throws Throwable {
    EmbeddedChannel channel = new EmbeddedChannel();
    BoltChannel boltChannel = newTestBoltChannel(channel);
    BoltProtocolVersion boltProtocolVersion = new BoltProtocolVersion(majorVersion, minorVersion);
    BoltStateMachineFactory stateMachineFactory = mock(BoltStateMachineFactory.class);
    BoltStateMachine stateMachine = mock(BoltStateMachine.class);
    var channelProtector = mock(ChannelProtector.class);
    var memoryTracker = mock(MemoryTracker.class, RETURNS_MOCKS);
    when(stateMachineFactory.newStateMachine(boltProtocolVersion, boltChannel, MapValue.EMPTY, memoryTracker)).thenReturn(stateMachine);
    BoltConnectionFactory connectionFactory = mock(BoltConnectionFactory.class);
    BoltConnection connection = mock(BoltConnection.class);
    when(connectionFactory.newConnection(eq(boltChannel), eq(stateMachine), any())).thenReturn(connection);
    BoltProtocolFactory factory = new DefaultBoltProtocolFactory(connectionFactory, stateMachineFactory, Config.defaults(), NullLogService.getInstance(), new TestDatabaseIdRepository(), CustomBookmarkFormatParser.DEFAULT, mock(TransportThrottleGroup.class), Clocks.fakeClock(), Duration.ZERO);
    BoltProtocol protocol = factory.create(boltProtocolVersion, boltChannel, channelProtector, memoryTracker);
    protocol.install();
    // handler with correct version is created
    assertEquals(boltProtocolVersion, protocol.version());
    // it uses the expected worker
    verify(connectionFactory).newConnection(eq(boltChannel), any(BoltStateMachine.class), any(BoltResponseMessageWriter.class));
    verify(memoryTracker, times(5)).allocateHeap(anyLong());
    // and halts this same worker when closed
    verify(connection, never()).stop();
    channel.close();
    verify(connection).stop();
    channel.finishAndReleaseAll();
}

Example 30 with BoltStateMachine

use of org.neo4j.bolt.runtime.statemachine.BoltStateMachine in project neo4j by neo4j.

the class BoltRequestMessageReaderV4Test method testMessageDecoding.

private static void testMessageDecoding(RequestMessage message) throws Exception {
    Neo4jPack neo4jPack = newNeo4jPack();
    BoltStateMachine stateMachine = mock(BoltStateMachine.class);
    BoltRequestMessageReader reader = requestMessageReader(stateMachine);
    PackedInputArray input = new PackedInputArray(encode(neo4jPack, message));
    Neo4jPack.Unpacker unpacker = neo4jPack.newUnpacker(input);
    reader.read(unpacker);
    verify(stateMachine).process(eq(message), any());
}