Examples with DatabusRequest com.linkedin.databus2.core.container.request.DatabusRequest used on opensource projects

Example 51 with DatabusRequest

use of com.linkedin.databus2.core.container.request.DatabusRequest in project databus by linkedin.

the class TestRegisterRequestProcessor method testDatabusExceptionInGetSchemas.

private void testDatabusExceptionInGetSchemas(final int protoVersion) throws Exception {
    LOG.info("Testing DatabusException in getSchemas() call with protocol version " + protoVersion);
    Properties params = new Properties();
    final int srcId1 = 101;
    final String srcName1 = "source-101";
    final String docSchema1 = "docSchema1";
    final String docSchema2 = "docSchema2";
    final short docSchemaV1 = 1;
    final short docSchemaV2 = 2;
    if (protoVersion != 0) {
        params.setProperty(DatabusHttpHeaders.PROTOCOL_VERSION_PARAM, Integer.toString(protoVersion));
    }
    params.setProperty(RegisterRequestProcessor.SOURCES_PARAM, Integer.toString(srcId1));
    final StringBuilder responseStr = new StringBuilder();
    ChunkedWritableByteChannel chunkedWritableByteChannel = EasyMock.createMock(ChunkedWritableByteChannel.class);
    chunkedWritableByteChannel.addMetadata(EasyMock.anyObject(String.class), EasyMock.anyInt());
    EasyMock.expectLastCall().times(1);
    chunkedWritableByteChannel.write(EasyMock.anyObject(ByteBuffer.class));
    EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            Charset charset = Charset.forName("UTF-8");
            CharsetDecoder decoder = charset.newDecoder();
            responseStr.append(decoder.decode((ByteBuffer) EasyMock.getCurrentArguments()[0]));
            return responseStr.length();
        }
    });
    EasyMock.replay(chunkedWritableByteChannel);
    DatabusRequest mockReq = EasyMock.createMock(DatabusRequest.class);
    EasyMock.expect(mockReq.getParams()).andReturn(params).anyTimes();
    EasyMock.replay(mockReq);
    LogicalSource lsrc1 = new LogicalSource(srcId1, srcName1);
    SourceIdNameRegistry mockSrcIdReg = EasyMock.createMock(SourceIdNameRegistry.class);
    EasyMock.expect(mockSrcIdReg.getSource(srcId1)).andReturn(lsrc1).anyTimes();
    EasyMock.replay(mockSrcIdReg);
    Map<Short, String> srcSchemaVersions = new HashMap<Short, String>();
    srcSchemaVersions.put(docSchemaV1, docSchema1);
    srcSchemaVersions.put(docSchemaV2, docSchema2);
    DatabusException expectedCause = new DatabusException("FakeException");
    SchemaRegistryService mockSchemaReg = EasyMock.createMock(SchemaRegistryService.class);
    EasyMock.expect(mockSchemaReg.fetchAllSchemaVersionsBySourceName(srcName1)).andThrow(expectedCause);
    EasyMock.replay(mockSchemaReg);
    HttpRelay mockRelay = EasyMock.createMock(HttpRelay.class);
    EasyMock.expect(mockRelay.getHttpStatisticsCollector()).andReturn(null).anyTimes();
    EasyMock.expect(mockRelay.getSourcesIdNameRegistry()).andReturn(mockSrcIdReg).anyTimes();
    EasyMock.expect(mockRelay.getSchemaRegistryService()).andReturn(mockSchemaReg).anyTimes();
    EasyMock.replay(mockRelay);
    RegisterRequestProcessor reqProcessor = new RegisterRequestProcessor(null, mockRelay);
    boolean exceptionCaught = false;
    try {
        reqProcessor.process(mockReq);
    } catch (RequestProcessingException e) {
        Assert.assertEquals(expectedCause, e.getCause());
    }
    EasyMock.verify(mockRelay);
    EasyMock.verify(mockReq);
    EasyMock.verify(mockSchemaReg);
    EasyMock.verify(mockSrcIdReg);
}

Example 52 with DatabusRequest

use of com.linkedin.databus2.core.container.request.DatabusRequest in project databus by linkedin.

the class TestRegisterRequestProcessor method testV4RegisterRequestProcessor.

// Test the happy path where there are 2 versions of document schema of a table and one version of metadata
// schema in the registry.
@Test
public void testV4RegisterRequestProcessor() throws Exception {
    Properties params = new Properties();
    final int protoVersion = 4;
    final int srcId1 = 101;
    final String srcName1 = "source-101";
    final String docSchema1 = "docSchema1";
    final String docSchema2 = "docSchema2";
    final String metadataSchema1 = makeMetadataSchema(1);
    final String metadataSchema2 = makeMetadataSchema(2);
    final byte[] metaSchemaDigest1 = new byte[] { 32, 33, 34, 35 };
    final byte[] metaSchemaDigest2 = new byte[] { 35, 34, 33, 32 };
    final short docSchemaV1 = 1;
    final short docSchemaV2 = 2;
    final short metaSchemaV1 = 1;
    final short metaSchemaV2 = 2;
    params.setProperty(DatabusHttpHeaders.PROTOCOL_VERSION_PARAM, Integer.toString(protoVersion));
    params.setProperty(RegisterRequestProcessor.SOURCES_PARAM, Integer.toString(srcId1));
    final StringBuilder responseStr = new StringBuilder();
    ChunkedWritableByteChannel chunkedWritableByteChannel = EasyMock.createMock(ChunkedWritableByteChannel.class);
    chunkedWritableByteChannel.addMetadata(EasyMock.eq(DatabusHttpHeaders.DBUS_CLIENT_RELAY_PROTOCOL_VERSION_HDR), EasyMock.eq(protoVersion));
    chunkedWritableByteChannel.write(EasyMock.anyObject(ByteBuffer.class));
    EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            Charset charset = Charset.forName("UTF-8");
            CharsetDecoder decoder = charset.newDecoder();
            responseStr.append(decoder.decode((ByteBuffer) EasyMock.getCurrentArguments()[0]));
            return responseStr.length();
        }
    });
    EasyMock.replay(chunkedWritableByteChannel);
    DatabusRequest mockReq = EasyMock.createMock(DatabusRequest.class);
    EasyMock.expect(mockReq.getParams()).andReturn(params).anyTimes();
    EasyMock.expect(mockReq.getResponseContent()).andReturn(chunkedWritableByteChannel);
    EasyMock.replay(mockReq);
    LogicalSource lsrc1 = new LogicalSource(srcId1, srcName1);
    SourceIdNameRegistry mockSrcIdReg = EasyMock.createMock(SourceIdNameRegistry.class);
    EasyMock.expect(mockSrcIdReg.getSource(srcId1)).andReturn(lsrc1).anyTimes();
    EasyMock.replay(mockSrcIdReg);
    Map<Short, String> srcSchemaVersions = new HashMap<Short, String>();
    srcSchemaVersions.put(docSchemaV1, docSchema1);
    srcSchemaVersions.put(docSchemaV2, docSchema2);
    VersionedSchemaSet metadataSchemaSet = new VersionedSchemaSet();
    metadataSchemaSet.add(SchemaRegistryService.DEFAULT_METADATA_SCHEMA_SOURCE, metaSchemaV1, new SchemaId(metaSchemaDigest1), metadataSchema1, true);
    metadataSchemaSet.add(SchemaRegistryService.DEFAULT_METADATA_SCHEMA_SOURCE, metaSchemaV2, new SchemaId(metaSchemaDigest2), metadataSchema2, true);
    SchemaRegistryService mockSchemaReg = EasyMock.createMock(SchemaRegistryService.class);
    EasyMock.expect(mockSchemaReg.fetchAllSchemaVersionsBySourceName(srcName1)).andReturn(srcSchemaVersions).anyTimes();
    EasyMock.expect(mockSchemaReg.fetchAllMetadataSchemaVersions()).andReturn(metadataSchemaSet).anyTimes();
    EasyMock.replay(mockSchemaReg);
    HttpRelay mockRelay = EasyMock.createMock(HttpRelay.class);
    EasyMock.expect(mockRelay.getHttpStatisticsCollector()).andReturn(null).anyTimes();
    EasyMock.expect(mockRelay.getSourcesIdNameRegistry()).andReturn(mockSrcIdReg).anyTimes();
    EasyMock.expect(mockRelay.getSchemaRegistryService()).andReturn(mockSchemaReg).anyTimes();
    EasyMock.replay(mockRelay);
    RegisterRequestProcessor reqProcessor = new RegisterRequestProcessor(null, mockRelay);
    reqProcessor.process(mockReq);
    // Decode
    ObjectMapper mapper = new ObjectMapper();
    HashMap<String, List<Object>> responseMap = mapper.readValue(responseStr.toString(), new TypeReference<HashMap<String, List<Object>>>() {
    });
    Map<Long, List<RegisterResponseEntry>> sourcesSchemasMap = RegisterResponseEntry.createFromResponse(responseMap, RegisterResponseEntry.SOURCE_SCHEMAS_KEY, false);
    // There should be one entry in the map, which is a  list.
    Assert.assertEquals(1, sourcesSchemasMap.size());
    Assert.assertEquals(2, sourcesSchemasMap.get(new Long(srcId1)).size());
    for (RegisterResponseEntry r : sourcesSchemasMap.get(new Long(srcId1))) {
        Assert.assertEquals(srcId1, r.getId());
        if (r.getVersion() == docSchemaV1) {
            Assert.assertEquals(docSchema1, r.getSchema());
        } else {
            Assert.assertEquals(docSchema2, r.getSchema());
        }
    }
    Map<Long, List<RegisterResponseEntry>> keysSchemasMap = RegisterResponseEntry.createFromResponse(responseMap, RegisterResponseEntry.KEY_SCHEMAS_KEY, true);
    Assert.assertNull(keysSchemasMap);
    List<RegisterResponseMetadataEntry> metadataSchemasList = RegisterResponseMetadataEntry.createFromResponse(responseMap, RegisterResponseMetadataEntry.METADATA_SCHEMAS_KEY, true);
    // The response should contain the exact string that the schema registry has.
    Assert.assertEquals(2, metadataSchemasList.size());
    for (RegisterResponseMetadataEntry r : metadataSchemasList) {
        if (r.getVersion() == 1) {
            Assert.assertEquals(metadataSchema1, r.getSchema());
            Assert.assertTrue(Arrays.equals(metaSchemaDigest1, r.getCrc32()));
        } else {
            Assert.assertEquals(metadataSchema2, r.getSchema());
            Assert.assertTrue(Arrays.equals(metaSchemaDigest2, r.getCrc32()));
        }
    }
    EasyMock.verify(mockRelay);
    EasyMock.verify(mockReq);
    EasyMock.verify(mockSchemaReg);
    EasyMock.verify(mockSrcIdReg);
}

Example 53 with DatabusRequest

use of com.linkedin.databus2.core.container.request.DatabusRequest in project databus by linkedin.

the class TestRegisterRequestProcessor method testBadProtoVersion.

public void testBadProtoVersion(final String protoVersion) throws Exception {
    LOG.info("Verifying unhappy path with bad protocol version: " + protoVersion);
    Properties params = new Properties();
    final int srcId1 = 101;
    params.setProperty(DatabusHttpHeaders.PROTOCOL_VERSION_PARAM, protoVersion);
    params.setProperty(RegisterRequestProcessor.SOURCES_PARAM, Integer.toString(srcId1));
    DatabusRequest mockReq = EasyMock.createMock(DatabusRequest.class);
    EasyMock.expect(mockReq.getParams()).andReturn(params).anyTimes();
    EasyMock.replay(mockReq);
    HttpRelay mockRelay = EasyMock.createMock(HttpRelay.class);
    EasyMock.expect(mockRelay.getHttpStatisticsCollector()).andReturn(null).anyTimes();
    EasyMock.replay(mockRelay);
    RegisterRequestProcessor reqProcessor = new RegisterRequestProcessor(null, mockRelay);
    boolean exceptionCaught = false;
    try {
        reqProcessor.process(mockReq);
    } catch (InvalidRequestParamValueException e) {
        Assert.assertEquals(RegisterRequestProcessor.COMMAND_NAME, e.getCmdName());
        Assert.assertEquals(DatabusHttpHeaders.PROTOCOL_VERSION_PARAM, e.getParamName());
        Assert.assertEquals(protoVersion, e.getParamValue());
        exceptionCaught = true;
    }
    Assert.assertTrue("Expected exception not raised", exceptionCaught);
    EasyMock.verify(mockRelay);
    EasyMock.verify(mockReq);
}

Example 54 with DatabusRequest

use of com.linkedin.databus2.core.container.request.DatabusRequest in project databus by linkedin.

the class RelayStatsRequestProcessor method processOutboundHttpClientStats.

private void processOutboundHttpClientStats(DatabusRequest request) throws IOException, RequestProcessingException {
    String category = request.getParams().getProperty(DatabusRequest.PATH_PARAM_NAME);
    String client = category.substring(OUTBOUND_HTTP_CLIENT_PREFIX.length());
    DbusHttpTotalStats clientStats = _relay.getHttpStatisticsCollector().getPeerStats(client);
    if (null == clientStats) {
        throw new InvalidRequestParamValueException(request.getName(), OUTBOUND_HTTP_CLIENT_PREFIX, client);
    }
    writeJsonObjectToResponse(clientStats, request);
    if (request.getRequestType() == HttpMethod.PUT || request.getRequestType() == HttpMethod.POST) {
        enableOrResetStatsMBean(clientStats, request);
    }
}