Examples with WebSocketClientService org.apache.nifi.websocket.WebSocketClientService used on opensource projects

Example 1 with WebSocketClientService

use of org.apache.nifi.websocket.WebSocketClientService in project nifi by apache.

the class TestConnectWebSocket method testSuccess.

@Test
public void testSuccess() throws Exception {
    final TestRunner runner = TestRunners.newTestRunner(ConnectWebSocket.class);
    final ConnectWebSocket processor = (ConnectWebSocket) runner.getProcessor();
    final SharedSessionState sharedSessionState = new SharedSessionState(processor, new AtomicLong(0));
    // Use this custom session factory implementation so that createdSessions can be read from test case,
    // because MockSessionFactory doesn't expose it.
    final Set<MockProcessSession> createdSessions = new HashSet<>();
    final ProcessSessionFactory sessionFactory = () -> {
        final MockProcessSession session = new MockProcessSession(sharedSessionState, processor);
        createdSessions.add(session);
        return session;
    };
    final WebSocketClientService service = mock(WebSocketClientService.class);
    final WebSocketSession webSocketSession = spy(AbstractWebSocketSession.class);
    when(webSocketSession.getSessionId()).thenReturn("ws-session-id");
    when(webSocketSession.getLocalAddress()).thenReturn(new InetSocketAddress("localhost", 12345));
    when(webSocketSession.getRemoteAddress()).thenReturn(new InetSocketAddress("example.com", 80));
    final String serviceId = "ws-service";
    final String endpointId = "client-1";
    final String textMessageFromServer = "message from server.";
    when(service.getIdentifier()).thenReturn(serviceId);
    when(service.getTargetUri()).thenReturn("ws://example.com/web-socket");
    doAnswer(invocation -> {
        processor.connected(webSocketSession);
        // Two times.
        processor.consume(webSocketSession, textMessageFromServer);
        processor.consume(webSocketSession, textMessageFromServer);
        // Three times.
        final byte[] binaryMessage = textMessageFromServer.getBytes();
        processor.consume(webSocketSession, binaryMessage, 0, binaryMessage.length);
        processor.consume(webSocketSession, binaryMessage, 0, binaryMessage.length);
        processor.consume(webSocketSession, binaryMessage, 0, binaryMessage.length);
        return null;
    }).when(service).connect(endpointId);
    runner.addControllerService(serviceId, service);
    runner.enableControllerService(service);
    runner.setProperty(ConnectWebSocket.PROP_WEBSOCKET_CLIENT_SERVICE, serviceId);
    runner.setProperty(ConnectWebSocket.PROP_WEBSOCKET_CLIENT_ID, endpointId);
    processor.onTrigger(runner.getProcessContext(), sessionFactory);
    final Map<Relationship, List<MockFlowFile>> transferredFlowFiles = getAllTransferredFlowFiles(createdSessions, processor);
    List<MockFlowFile> connectedFlowFiles = transferredFlowFiles.get(AbstractWebSocketGatewayProcessor.REL_CONNECTED);
    assertEquals(1, connectedFlowFiles.size());
    connectedFlowFiles.forEach(ff -> {
        assertFlowFile(webSocketSession, serviceId, endpointId, ff, null);
    });
    List<MockFlowFile> textFlowFiles = transferredFlowFiles.get(AbstractWebSocketGatewayProcessor.REL_MESSAGE_TEXT);
    assertEquals(2, textFlowFiles.size());
    textFlowFiles.forEach(ff -> {
        assertFlowFile(webSocketSession, serviceId, endpointId, ff, WebSocketMessage.Type.TEXT);
    });
    List<MockFlowFile> binaryFlowFiles = transferredFlowFiles.get(AbstractWebSocketGatewayProcessor.REL_MESSAGE_BINARY);
    assertEquals(3, binaryFlowFiles.size());
    binaryFlowFiles.forEach(ff -> {
        assertFlowFile(webSocketSession, serviceId, endpointId, ff, WebSocketMessage.Type.BINARY);
    });
    final List<ProvenanceEventRecord> provenanceEvents = sharedSessionState.getProvenanceEvents();
    assertEquals(6, provenanceEvents.size());
    assertTrue(provenanceEvents.stream().allMatch(event -> ProvenanceEventType.RECEIVE.equals(event.getEventType())));
}