Examples with Callback com.linkedin.common.callback.Callback used on opensource projects

Example 71 with Callback

use of com.linkedin.common.callback.Callback in project rest.li by linkedin.

the class TestRestLiServer method testMultipartRelatedNoAttachmentsAtAll.

@Test
public void testMultipartRelatedNoAttachmentsAtAll() throws Exception {
    //This test verifies the server's ability to throw an exception if there are absolutely no attachments at all
    //in the request. The protocol allows no user attachments to be required, but there must always be at least a rest.li
    //payload in the first part.
    final MultiPartMIMEWriter.Builder builder = new MultiPartMIMEWriter.Builder();
    final StreamRequest streamRequest = MultiPartMIMEStreamRequestFactory.generateMultiPartMIMEStreamRequest(new URI("/doesNotMatter"), "related", builder.build(), Collections.<String, String>emptyMap(), "POST", ImmutableMap.of(RestConstants.HEADER_ACCEPT, RestConstants.HEADER_VALUE_MULTIPART_RELATED), Collections.emptyList());
    final Callback<StreamResponse> callback = new Callback<StreamResponse>() {

        @Override
        public void onSuccess(StreamResponse streamResponse) {
            Assert.fail();
        }

        @Override
        public void onError(Throwable e) {
            //Verify the exception.
            assertTrue(e instanceof StreamException);
            StreamException streamException = (StreamException) e;
            StreamResponse streamResponse = streamException.getResponse();
            assertEquals(streamResponse.getStatus(), 400);
            final FullEntityReader fullEntityReader = new FullEntityReader(new Callback<ByteString>() {

                @Override
                public void onError(Throwable e) {
                    Assert.fail();
                }

                @Override
                public void onSuccess(ByteString result) {
                    //We have the body so assert that the exception made it.
                    assertTrue(result.length() > 0);
                    assertTrue(result.asString(Charset.defaultCharset()).contains("Did not receive any parts in the multipart mime request"));
                }
            });
            streamResponse.getEntityStream().setReader(fullEntityReader);
        }
    };
    _server.handleRequest(streamRequest, new RequestContext(), callback);
}

Example 72 with Callback

use of com.linkedin.common.callback.Callback in project rest.li by linkedin.

the class TestRestLiServer method testSyncNullObject404.

@Test(dataProvider = "restOrStream")
public void testSyncNullObject404(final RestOrStream restOrStream) throws Exception {
    final StatusCollectionResource statusResource = getMockResource(StatusCollectionResource.class);
    EasyMock.expect(statusResource.get(eq(1L))).andReturn(null).once();
    EasyMock.replay(statusResource);
    Callback<RestResponse> restResponseCallback = new Callback<RestResponse>() {

        @Override
        public void onSuccess(RestResponse restResponse) {
            fail("We should not get a success here. The server should have returned a 404!");
        }

        @Override
        public void onError(Throwable e) {
            RestException restException = (RestException) e;
            assertEquals(restException.getResponse().getStatus(), 404, "We should get a 404 back here!");
            EasyMock.verify(statusResource);
            EasyMock.reset(statusResource);
        }
    };
    if (restOrStream == RestOrStream.REST) {
        RestRequest request = new RestRequestBuilder(new URI("/statuses/1")).setHeader(RestConstants.HEADER_RESTLI_PROTOCOL_VERSION, AllProtocolVersions.BASELINE_PROTOCOL_VERSION.toString()).build();
        _server.handleRequest(request, new RequestContext(), restResponseCallback);
    } else {
        StreamRequest streamRequest = new StreamRequestBuilder(new URI("/statuses/1")).setHeader(RestConstants.HEADER_RESTLI_PROTOCOL_VERSION, AllProtocolVersions.BASELINE_PROTOCOL_VERSION.toString()).build(EntityStreams.emptyStream());
        Callback<StreamResponse> callback = new Callback<StreamResponse>() {

            @Override
            public void onSuccess(StreamResponse streamResponse) {
                fail("We should not get a success here. The server should have returned a 404!");
            }

            @Override
            public void onError(Throwable e) {
                Messages.toRestException((StreamException) e, new Callback<RestException>() {

                    @Override
                    public void onError(Throwable e) {
                        Assert.fail();
                    }

                    @Override
                    public void onSuccess(RestException result) {
                        restResponseCallback.onError(result);
                    }
                });
            }
        };
        _server.handleRequest(streamRequest, new RequestContext(), callback);
    }
}

Example 73 with Callback

use of com.linkedin.common.callback.Callback in project rest.li by linkedin.

the class TestRestLiServer method testRequestAttachmentsResponseAttachmentsException.

@Test
public void testRequestAttachmentsResponseAttachmentsException() throws Exception {
    //This test verifies the server's behavior in the face of an exception. In this case the resource method
    //threw an exception AFTER setting response attachments. Additionally the resource method failed to absorb any
    //incoming request attachments. We verify in this test that StreamResponseCallbackAdaptor in RestLiServer
    //drains and absorbs all bytes from the incoming request and that the response attachments set by the resource method
    //are told to abort.
    //Define the server side resource attachments to be sent back.
    final RestLiResponseAttachments.Builder responseAttachmentsBuilder = new RestLiResponseAttachments.Builder();
    final RestLiTestAttachmentDataSource toBeAbortedDataSource = RestLiTestAttachmentDataSource.createWithRandomPayload("1");
    responseAttachmentsBuilder.appendSingleAttachment(toBeAbortedDataSource);
    Capture<ResourceContext> resourceContextCapture = new Capture<ResourceContext>();
    final AsyncStatusCollectionResource statusResource = getMockResource(AsyncStatusCollectionResource.class, EasyMock.capture(resourceContextCapture));
    statusResource.streamingAction(EasyMock.<String>anyObject(), EasyMock.<RestLiAttachmentReader>anyObject(), EasyMock.<Callback<Long>>anyObject());
    EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            //Verify there are still attachments to be read.
            final RestLiAttachmentReader attachmentReader = (RestLiAttachmentReader) EasyMock.getCurrentArguments()[1];
            Assert.assertFalse(attachmentReader.haveAllAttachmentsFinished());
            //Verify the action param.
            Assert.assertEquals((String) EasyMock.getCurrentArguments()[0], "someMetadata");
            //Set the response attachments
            resourceContextCapture.getValue().setResponseAttachments(responseAttachmentsBuilder.build());
            //Now throw an exception.
            @SuppressWarnings("unchecked") Callback<Long> callback = (Callback<Long>) EasyMock.getCurrentArguments()[2];
            callback.onError(new RestLiServiceException(HttpStatus.S_409_CONFLICT, "Some conflict"));
            return null;
        }
    });
    EasyMock.replay(statusResource);
    //Now we create a multipart/related payload.
    final String payload = "{\"metadata\": \"someMetadata\"}";
    final ByteStringWriter byteStringWriter = new ByteStringWriter(ByteString.copyString(payload, Charset.defaultCharset()));
    final MultiPartMIMEWriter.Builder builder = new MultiPartMIMEWriter.Builder();
    final RestLiTestAttachmentDataSource toBeDrainedDataSource = RestLiTestAttachmentDataSource.createWithRandomPayload("2");
    AttachmentUtils.appendSingleAttachmentToBuilder(builder, toBeDrainedDataSource);
    final MultiPartMIMEWriter writer = AttachmentUtils.createMultiPartMIMEWriter(byteStringWriter, "application/json", builder);
    final StreamRequest streamRequest = MultiPartMIMEStreamRequestFactory.generateMultiPartMIMEStreamRequest(new URI("/asyncstatuses/?action=streamingAction"), "related", writer, Collections.<String, String>emptyMap(), "POST", ImmutableMap.of(RestConstants.HEADER_ACCEPT, RestConstants.HEADER_VALUE_MULTIPART_RELATED), Collections.emptyList());
    final Callback<StreamResponse> callback = new Callback<StreamResponse>() {

        @Override
        public void onSuccess(StreamResponse streamResponse) {
            fail();
        }

        @Override
        public void onError(Throwable e) {
            //Verify the exception.
            assertTrue(e instanceof StreamException);
            StreamException streamException = (StreamException) e;
            StreamResponse streamResponse = streamException.getResponse();
            assertEquals(streamResponse.getStatus(), 409);
            final FullEntityReader fullEntityReader = new FullEntityReader(new Callback<ByteString>() {

                @Override
                public void onError(Throwable e) {
                    Assert.fail();
                }

                @Override
                public void onSuccess(ByteString result) {
                    //We have the body so assert exception made it.
                    assertTrue(result.length() > 0);
                    assertTrue(result.asString(Charset.defaultCharset()).contains("Some conflict"));
                }
            });
            streamResponse.getEntityStream().setReader(fullEntityReader);
            EasyMock.verify(statusResource);
            EasyMock.reset(statusResource);
        }
    };
    _server.handleRequest(streamRequest, new RequestContext(), callback);
    //Verify that the request level attachments were drained.
    Assert.assertTrue(toBeDrainedDataSource.finished());
    //Verify that response attachments were told to abort.
    Assert.assertTrue(toBeAbortedDataSource.dataSourceAborted());
}

Example 74 with Callback

use of com.linkedin.common.callback.Callback in project rest.li by linkedin.

the class TestRestLiServer method testRequestAttachmentsAndResponseAttachments.

@Test
public void testRequestAttachmentsAndResponseAttachments() throws Exception {
    //This test verifies the server's ability to accept request attachments and send back response attachments. This is the
    //main test to verify the wire protocol for streaming. We send a payload that contains the rest.li payload and some attachments
    //and we send a response back with a rest.li payload and some attachments.
    //Define the server side resource attachments to be sent back.
    final RestLiResponseAttachments.Builder responseAttachmentsBuilder = new RestLiResponseAttachments.Builder();
    responseAttachmentsBuilder.appendSingleAttachment(new RestLiTestAttachmentDataSource("1", ByteString.copyString("one", Charset.defaultCharset())));
    Capture<ResourceContext> resourceContextCapture = new Capture<ResourceContext>();
    final AsyncStatusCollectionResource statusResource = getMockResource(AsyncStatusCollectionResource.class, EasyMock.capture(resourceContextCapture));
    statusResource.streamingAction(EasyMock.<String>anyObject(), EasyMock.<RestLiAttachmentReader>anyObject(), EasyMock.<Callback<Long>>anyObject());
    EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            //Verify there are still attachments to be read.
            final RestLiAttachmentReader attachmentReader = (RestLiAttachmentReader) EasyMock.getCurrentArguments()[1];
            Assert.assertFalse(attachmentReader.haveAllAttachmentsFinished());
            //Verify the action param.
            Assert.assertEquals((String) EasyMock.getCurrentArguments()[0], "someMetadata");
            //Set the response attachments
            resourceContextCapture.getValue().setResponseAttachments(responseAttachmentsBuilder.build());
            //Now respond back to the request.
            @SuppressWarnings("unchecked") Callback<Long> callback = (Callback<Long>) EasyMock.getCurrentArguments()[2];
            callback.onSuccess(1234l);
            return null;
        }
    });
    EasyMock.replay(statusResource);
    //Now we create a multipart/related payload.
    final String payload = "{\"metadata\": \"someMetadata\"}";
    final ByteStringWriter byteStringWriter = new ByteStringWriter(ByteString.copyString(payload, Charset.defaultCharset()));
    final MultiPartMIMEWriter.Builder builder = new MultiPartMIMEWriter.Builder();
    AttachmentUtils.appendSingleAttachmentToBuilder(builder, new RestLiTestAttachmentDataSource("2", ByteString.copyString("two", Charset.defaultCharset())));
    final MultiPartMIMEWriter writer = AttachmentUtils.createMultiPartMIMEWriter(byteStringWriter, "application/json", builder);
    final StreamRequest streamRequest = MultiPartMIMEStreamRequestFactory.generateMultiPartMIMEStreamRequest(new URI("/asyncstatuses/?action=streamingAction"), "related", writer, Collections.<String, String>emptyMap(), "POST", ImmutableMap.of(RestConstants.HEADER_ACCEPT, RestConstants.HEADER_VALUE_MULTIPART_RELATED), Collections.emptyList());
    final Callback<StreamResponse> callback = new Callback<StreamResponse>() {

        @Override
        public void onSuccess(StreamResponse streamResponse) {
            //Before reading the data make sure top level type is multipart/related
            Assert.assertEquals(streamResponse.getStatus(), 200);
            try {
                ContentType contentType = new ContentType(streamResponse.getHeader(RestConstants.HEADER_CONTENT_TYPE));
                Assert.assertEquals(contentType.getBaseType(), RestConstants.HEADER_VALUE_MULTIPART_RELATED);
            } catch (ParseException parseException) {
                Assert.fail();
            }
            final CountDownLatch countDownLatch = new CountDownLatch(1);
            MultiPartMIMEFullReaderCallback fullReaderCallback = new MultiPartMIMEFullReaderCallback(countDownLatch);
            final MultiPartMIMEReader reader = MultiPartMIMEReader.createAndAcquireStream(streamResponse);
            reader.registerReaderCallback(fullReaderCallback);
            try {
                countDownLatch.await(3000, TimeUnit.MILLISECONDS);
            } catch (InterruptedException interruptedException) {
                Assert.fail();
            }
            final List<SinglePartMIMEFullReaderCallback> singlePartMIMEReaderCallbacks = fullReaderCallback.getSinglePartMIMEReaderCallbacks();
            Assert.assertEquals(singlePartMIMEReaderCallbacks.size(), 2);
            //Verify first part is Action response.
            Assert.assertEquals(singlePartMIMEReaderCallbacks.get(0).getHeaders().get(RestConstants.HEADER_CONTENT_TYPE), RestConstants.HEADER_VALUE_APPLICATION_JSON);
            Assert.assertEquals(singlePartMIMEReaderCallbacks.get(0).getFinishedData().asAvroString(), "{\"value\":1234}");
            //Verify the second part matches what the server should have sent back
            Assert.assertEquals(singlePartMIMEReaderCallbacks.get(1).getHeaders().get(RestConstants.HEADER_CONTENT_ID), "1");
            Assert.assertEquals(singlePartMIMEReaderCallbacks.get(1).getFinishedData().asString(Charset.defaultCharset()), "one");
            EasyMock.verify(statusResource);
            EasyMock.reset(statusResource);
        }

        @Override
        public void onError(Throwable e) {
            fail();
        }
    };
    _server.handleRequest(streamRequest, new RequestContext(), callback);
}

Example 75 with Callback

use of com.linkedin.common.callback.Callback in project rest.li by linkedin.

the class TestRestLiServer method testAsyncServer.

@SuppressWarnings({ "unchecked" })
@Test(dataProvider = "restOrStream")
public void testAsyncServer(final RestOrStream restOrStream) throws Exception {
    final AsyncStatusCollectionResource statusResource = getMockResource(AsyncStatusCollectionResource.class);
    statusResource.get(eq(1L), EasyMock.<Callback<Status>>anyObject());
    EasyMock.expectLastCall().andAnswer(new IAnswer<Object>() {

        @Override
        public Object answer() throws Throwable {
            Callback<Status> callback = (Callback<Status>) EasyMock.getCurrentArguments()[1];
            Status stat = buildStatusRecord();
            callback.onSuccess(stat);
            return null;
        }
    });
    EasyMock.replay(statusResource);
    final Callback<RestResponse> restResponseCallback = new Callback<RestResponse>() {

        @Override
        public void onSuccess(RestResponse restResponse) {
            assertEquals(restResponse.getStatus(), 200);
            assertTrue(restResponse.getEntity().length() > 0);
            EasyMock.verify(statusResource);
            EasyMock.reset(statusResource);
        }

        @Override
        public void onError(Throwable e) {
            fail();
        }
    };
    if (restOrStream == RestOrStream.REST) {
        final RestRequest request = new RestRequestBuilder(new URI("/asyncstatuses/1")).setHeader(RestConstants.HEADER_RESTLI_PROTOCOL_VERSION, AllProtocolVersions.BASELINE_PROTOCOL_VERSION.toString()).build();
        _server.handleRequest(request, new RequestContext(), restResponseCallback);
    } else {
        final StreamRequest streamRequest = new StreamRequestBuilder(new URI("/asyncstatuses/1")).setHeader(RestConstants.HEADER_RESTLI_PROTOCOL_VERSION, AllProtocolVersions.BASELINE_PROTOCOL_VERSION.toString()).build(EntityStreams.emptyStream());
        final Callback<StreamResponse> callback = new Callback<StreamResponse>() {

            @Override
            public void onSuccess(StreamResponse streamResponse) {
                Messages.toRestResponse(streamResponse, new Callback<RestResponse>() {

                    @Override
                    public void onError(Throwable e) {
                        Assert.fail();
                    }

                    @Override
                    public void onSuccess(RestResponse result) {
                        restResponseCallback.onSuccess(result);
                    }
                });
            }

            @Override
            public void onError(Throwable e) {
                fail();
            }
        };
        _server.handleRequest(streamRequest, new RequestContext(), callback);
    }
}