Package com.linkedin.databus.core.test.netty

Examples of com.linkedin.databus.core.test.netty.SimpleHttpResponseHandler

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        ChannelPipeline clientPipeline = pipeline();

        clientPipeline.addLast("client logger 1", new LoggingHandler("client logger 1", InternalLogLevel.DEBUG, true));
        clientPipeline.addLast("codec", new HttpClientCodec());
        clientPipeline.addLast("aggregator", new FooterAwareHttpChunkAggregator(1000000));
        _responseHandler = new SimpleHttpResponseHandler();
        clientPipeline.addLast("handler", _responseHandler);
        clientPipeline.addLast("client logger 5", new LoggingHandler("client logger 5", InternalLogLevel.DEBUG, true));
        return clientPipeline;
      }
    });
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    HttpRequest httpRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1,
                                                     HttpMethod.GET, "/sources");

    SimpleTestHttpClient httpClient = SimpleTestHttpClient.createLocal(TimeoutPolicy.ALL_TIMEOUTS);
    SimpleHttpResponseHandler respHandler = httpClient.sendRequest(_serverAddress, httpRequest);

    assertTrue("failed to get a response", respHandler.awaitResponseUninterruptedly(1, TimeUnit.SECONDS));
    ByteArrayInputStream in = new ByteArrayInputStream(respHandler.getReceivedBytes());
    ObjectMapper objMapper = new ObjectMapper();
    List<IdNamePair> res = objMapper.readValue(in, new TypeReference<List<IdNamePair>>(){});
    assertNotNull("no result", res);
    if (LOG.isDebugEnabled())
    {
      LOG.debug("/sources response:" + new String(respHandler.getReceivedBytes()));
    }

    HashSet<IdNamePair> origSet = new HashSet<IdNamePair>(_staticConfig.getSourceIds());
    HashSet<IdNamePair> resSet = new HashSet<IdNamePair>(res);
    Assert.assertEquals(origSet, resSet);
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    HttpRequest httpRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1,
                                                     HttpMethod.GET, "/sources");
    httpRequest.setHeader(DatabusHttpHeaders.DBUS_CLIENT_HOST_HDR, "localhost");
    httpRequest.setHeader(DatabusHttpHeaders.DBUS_CLIENT_SERVICE_HDR, "unittestclient");
    SimpleTestHttpClient httpClient = SimpleTestHttpClient.createLocal(TimeoutPolicy.ALL_TIMEOUTS);
    SimpleHttpResponseHandler respHandler = httpClient.sendRequest(_serverAddress, httpRequest);

    assertTrue("failed to get a response",
               respHandler.awaitResponseUninterruptedly(1, TimeUnit.SECONDS));
    ByteArrayInputStream in = new ByteArrayInputStream(respHandler.getReceivedBytes());
    ObjectMapper objMapper = new ObjectMapper();
    List<IdNamePair> res = objMapper.readValue(in, new TypeReference<List<IdNamePair>>(){});
    assertNotNull("no result", res);
    if (LOG.isDebugEnabled())
    {
      LOG.debug("/sources response:" + new String(respHandler.getReceivedBytes()));
    }

    HashSet<IdNamePair> origSet = new HashSet<IdNamePair>(_staticConfig.getSourceIds());
    HashSet<IdNamePair> resSet = new HashSet<IdNamePair>(res);
    Assert.assertEquals(origSet, resSet);
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  {
    HttpRequest httpRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1,
                                                     HttpMethod.GET, "/sources");

    SimpleTestHttpClient httpClient = SimpleTestHttpClient.createLocal(TimeoutPolicy.ALL_TIMEOUTS);
    SimpleHttpResponseHandler respHandler = httpClient.sendRequest(_serverAddress, httpRequest);

    assertTrue("failed to get a response", respHandler.awaitResponseUninterruptedly(1, TimeUnit.SECONDS));
    ByteArrayInputStream in = new ByteArrayInputStream(respHandler.getReceivedBytes());
    ObjectMapper objMapper = new ObjectMapper();
    List<IdNamePair> res = objMapper.readValue(in, new TypeReference<List<IdNamePair>>(){});
    assertNotNull("no result", res);
    if (LOG.isDebugEnabled())
    {
      LOG.debug("/sources response:" + new String(respHandler.getReceivedBytes()));
    }

    HashSet<IdNamePair> origSet = new HashSet<IdNamePair>(_staticConfig.getSourceIds());
    HashSet<IdNamePair> resSet = new HashSet<IdNamePair>(res);
    Assert.assertEquals(origSet, resSet);
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    // /register?sources=2
    HttpRequest httpRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1,
                                                     HttpMethod.GET, "/register?sources=3002");

    SimpleTestHttpClient httpClient = SimpleTestHttpClient.createLocal(TimeoutPolicy.ALL_TIMEOUTS);
    SimpleHttpResponseHandler respHandler = httpClient.sendRequest(_serverAddress, httpRequest);

    assertTrue("failed to get a response", respHandler.awaitResponseUninterruptedly(1, TimeUnit.SECONDS));
    byte[] respBytes = respHandler.getReceivedBytes();
    if (LOG.isDebugEnabled())
    {
      LOG.debug("/register response:" + new String(respBytes));
    }
    ByteArrayInputStream in = new ByteArrayInputStream(respBytes);
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    // /register?sources=1,2
    SimpleTestHttpClient httpClient = SimpleTestHttpClient.createLocal(TimeoutPolicy.ALL_TIMEOUTS);
    HttpRequest httpRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1,
                                         HttpMethod.GET, "/register?sources=4001,4002");
    SimpleHttpResponseHandler respHandler = httpClient.sendRequest(_serverAddress, httpRequest);

    assertTrue("failed to get a response", respHandler.awaitResponseUninterruptedly(1, TimeUnit.SECONDS));
    ByteArrayInputStream in = new ByteArrayInputStream(respHandler.getReceivedBytes());
    List<RegisterResponseEntry> res =
        objMapper.readValue(in, new TypeReference<List<RegisterResponseEntry>>(){});
    assertNotNull("no result", res);
    if (LOG.isDebugEnabled())
    {
      LOG.debug("/register response:" + new String(respHandler.getReceivedBytes()));
    }
    assertEquals("expected two sources", 2, res.size());
    assertEquals("expected correct source id", 4001, res.get(0).getId());
    Schema resSchema = Schema.parse(res.get(0).getSchema());
    assertEquals("expected correct source schema", "test4.source1_v1", resSchema.getFullName());
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    // /register?sources=1,2,3
    SimpleTestHttpClient httpClient = SimpleTestHttpClient.createLocal(TimeoutPolicy.ALL_TIMEOUTS);
    HttpRequest httpRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1,
                                         HttpMethod.GET, "/register?sources=5001,5002,5003");
    SimpleHttpResponseHandler respHandler = httpClient.sendRequest(_serverAddress, httpRequest);
    assertTrue("failed to get a response", respHandler.awaitResponseUninterruptedly(1, TimeUnit.SECONDS));

    if (LOG.isDebugEnabled())
    {
      LOG.debug("/register response:" + new String(respHandler.getReceivedBytes()));
    }

    HttpResponse respObj = respHandler.getResponse();
    // Note that v3 client code doesn't currently (May 2013) support "sources" param for "/register".
    assertNotNull("exception class header not present",
                  respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER));
    assertEquals("exception class name mismatch",
                 InvalidRequestParamValueException.class.getName(),
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        new DefaultHttpRequest(HttpVersion.HTTP_1_1,
                               HttpMethod.GET,
                               "/register?sources=4002&" + DatabusHttpHeaders.PROTOCOL_VERSION_PARAM + "=4");

    SimpleTestHttpClient httpClient = SimpleTestHttpClient.createLocal(TimeoutPolicy.ALL_TIMEOUTS);
    SimpleHttpResponseHandler respHandler = httpClient.sendRequest(_serverAddress, httpRequest);

    assertTrue("failed to get a response", respHandler.awaitResponseUninterruptedly(1, TimeUnit.SECONDS));
    HttpResponse respObj = respHandler.getResponse();
    assertNull("/register v4 returned unexpected error: " +
               respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER),
               respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER));
    String registerResponseProtocolVersionStr =
        respObj.getHeader(DatabusHttpHeaders.DBUS_CLIENT_RELAY_PROTOCOL_VERSION_HDR);
    assertNotNull("/register protocol-version response header not present", registerResponseProtocolVersionStr);
    assertEquals("client-relay protocol response version mismatch", "4", registerResponseProtocolVersionStr);

    byte[] respBytes = respHandler.getReceivedBytes();
    if (LOG.isDebugEnabled())
    {
      LOG.debug("/register response: " + new String(respBytes));
    }
    ByteArrayInputStream in = new ByteArrayInputStream(respBytes);
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    HttpRequest httpRequest =
        new DefaultHttpRequest(HttpVersion.HTTP_1_1,
                               HttpMethod.GET,
                               "/register?sources=4002&" + DatabusHttpHeaders.PROTOCOL_VERSION_PARAM + "=1");
    SimpleTestHttpClient httpClient = SimpleTestHttpClient.createLocal(TimeoutPolicy.ALL_TIMEOUTS);
    SimpleHttpResponseHandler respHandler = httpClient.sendRequest(_serverAddress, httpRequest);
    assertTrue("failed to get a response", respHandler.awaitResponseUninterruptedly(1, TimeUnit.SECONDS));
    HttpResponse respObj = respHandler.getResponse();
    assertNotNull("/register failed to return expected error",
                  respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER));
    LOG.debug("DATABUS_ERROR_CLASS_HEADER = " + respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER));

    // protocolVersion > 4
    httpRequest =
        new DefaultHttpRequest(HttpVersion.HTTP_1_1,
                               HttpMethod.GET,
                               "/register?sources=4002&" + DatabusHttpHeaders.PROTOCOL_VERSION_PARAM + "=5");
    respHandler = httpClient.sendRequest(_serverAddress, httpRequest);
    assertTrue("failed to get a response", respHandler.awaitResponseUninterruptedly(1, TimeUnit.SECONDS));
    respObj = respHandler.getResponse();
    assertNotNull("/register failed to return expected error",
                  respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER));
    LOG.debug("DATABUS_ERROR_CLASS_HEADER = " + respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER));

    // protocolVersion == 2:  this is a happy path, but explicitly specifying the version is
    // unusual in this case (default = version 2 or 3, which are identical for /register), so
    // check for expected response
    httpRequest =
        new DefaultHttpRequest(HttpVersion.HTTP_1_1,
                               HttpMethod.GET,
                               "/register?sources=4002&" + DatabusHttpHeaders.PROTOCOL_VERSION_PARAM + "=2");
    respHandler = httpClient.sendRequest(_serverAddress, httpRequest);
    assertTrue("failed to get a response", respHandler.awaitResponseUninterruptedly(1, TimeUnit.SECONDS));
    respObj = respHandler.getResponse();
    assertNull("/register v2 returned unexpected error: " +
               respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER),
               respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER));
    LOG.debug("DATABUS_ERROR_CLASS_HEADER = " + respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER));
    String registerResponseProtocolVersionStr =
        respObj.getHeader(DatabusHttpHeaders.DBUS_CLIENT_RELAY_PROTOCOL_VERSION_HDR);
    assertNotNull("/register protocol-version response header not present", registerResponseProtocolVersionStr);
    assertEquals("client-relay protocol response version mismatch", "2", registerResponseProtocolVersionStr);
    byte[] respBytes = respHandler.getReceivedBytes();
    if (LOG.isDebugEnabled())
    {
      LOG.debug("/register response: " + new String(respBytes));
    }
    ByteArrayInputStream in = new ByteArrayInputStream(respBytes);
    ObjectMapper objMapper = new ObjectMapper();
    List<RegisterResponseEntry> sourceSchemasList = null;
    try
    {
      sourceSchemasList = objMapper.readValue(in, new TypeReference<List<RegisterResponseEntry>>(){});
    }
    catch (JsonMappingException jmex)
    {
      Assert.fail("ObjectMapper failed unexpectedly");
    }
    assertNotNull("missing source schemas in response", sourceSchemasList);
    assertEquals("expected one source schema", 1, sourceSchemasList.size());
    RegisterResponseEntry rre = sourceSchemasList.get(0);
    assertEquals("unexpected source id", 4002, rre.getId());
    Schema resSchema = Schema.parse(rre.getSchema());
    assertEquals("unexpected source-schema name for source id 4002", "test4.source2_v1", resSchema.getFullName());

    // protocolVersion == 3:  as with v2 above; just do a quick sanity check
    httpRequest =
        new DefaultHttpRequest(HttpVersion.HTTP_1_1,
                               HttpMethod.GET,
                               "/register?sources=4002&" + DatabusHttpHeaders.PROTOCOL_VERSION_PARAM + "=3");
    respHandler = httpClient.sendRequest(_serverAddress, httpRequest);
    assertTrue("failed to get a response", respHandler.awaitResponseUninterruptedly(1, TimeUnit.SECONDS));
    respObj = respHandler.getResponse();
    assertNull("/register v3 returned unexpected error: " +
               respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER),
               respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER));
    LOG.debug("DATABUS_ERROR_CLASS_HEADER = " + respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER));
    registerResponseProtocolVersionStr = respObj.getHeader(DatabusHttpHeaders.DBUS_CLIENT_RELAY_PROTOCOL_VERSION_HDR);
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    HttpRequest httpRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1,
                                                     HttpMethod.GET, "/stream?sources=100&size=1000&output=json&checkPoint={\"windowScn\":-1,\"windowOffset\":-1}");

    SimpleTestHttpClient httpClient = SimpleTestHttpClient.createLocal(TimeoutPolicy.ALL_TIMEOUTS);
    SimpleHttpResponseHandler respHandler = httpClient.sendRequest(_serverAddress, httpRequest);

    assertTrue("failed to get a response", respHandler.awaitResponseUninterruptedly(1, TimeUnit.SECONDS));
    assertEquals("expected to get empty response", 0, respHandler.getReceivedBytes().length);

    HttpResponse respObj = respHandler.getResponse();
    assertNull("/stream returned unexpected error", respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CLASS_HEADER));
    assertNull("/stream returned unexpected error with cause",
               respObj.getHeader(DatabusHttpHeaders.DATABUS_ERROR_CAUSE_CLASS_HEADER));
  }
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