| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.tinkerpop.gremlin.server; |
| |
| import io.netty.channel.ChannelHandlerContext; |
| import org.apache.log4j.Level; |
| import org.apache.log4j.Logger; |
| import org.apache.tinkerpop.gremlin.driver.message.RequestMessage; |
| import org.apache.tinkerpop.gremlin.driver.message.ResponseMessage; |
| import org.apache.tinkerpop.gremlin.driver.message.ResponseStatusCode; |
| import org.apache.tinkerpop.gremlin.server.handler.Frame; |
| import org.apache.tinkerpop.gremlin.util.Log4jRecordingAppender; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.mockito.Mockito; |
| |
| import java.util.Arrays; |
| import java.util.UUID; |
| import java.util.function.BiFunction; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| @RunWith(Parameterized.class) |
| public class ContextTest { |
| |
| @Parameterized.Parameter(value = 0) |
| public BiFunction<Context, ResponseStatusCode, Void> writeInvoker; |
| |
| private final ChannelHandlerContext ctx = Mockito.mock(ChannelHandlerContext.class); |
| private final RequestMessage request = RequestMessage.build("test").create(); |
| private final Context context = new Context(request, ctx, null, null, null, null); |
| private final Log4jRecordingAppender recordingAppender = new Log4jRecordingAppender(); |
| |
| private Level originalLogLevel; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static Iterable<Object[]> data() { |
| return Arrays.asList(new Object[][] { |
| { |
| new BiFunction<Context, ResponseStatusCode, Void>() { |
| @Override |
| public Void apply(final Context context, final ResponseStatusCode code) { |
| context.writeAndFlush(code, "testMessage"); |
| return null; |
| } |
| |
| @Override |
| public String toString() { |
| return "writeAndFlush(ResponseStatusCode, Object)"; |
| } |
| } |
| }, { |
| new BiFunction<Context, ResponseStatusCode, Void>() { |
| @Override |
| public Void apply(final Context context, final ResponseStatusCode code) { |
| context.writeAndFlush(ResponseMessage.build(UUID.randomUUID()).code(code).create()); |
| return null; |
| } |
| |
| @Override |
| public String toString() { |
| return "writeAndFlush(ResponseMessage)"; |
| } |
| } |
| }, |
| }); |
| } |
| |
| @Before |
| public void addRecordingAppender() { |
| final Logger rootLogger = Logger.getRootLogger(); |
| rootLogger.addAppender(recordingAppender); |
| originalLogLevel = rootLogger.getLevel(); |
| rootLogger.setLevel(Level.ALL); |
| } |
| |
| @After |
| public void removeRecordingAppender() { |
| final Logger rootLogger = Logger.getRootLogger(); |
| rootLogger.setLevel(originalLogLevel); |
| rootLogger.removeAppender(recordingAppender); |
| } |
| |
| @Test |
| public void shouldAllowMultipleNonFinalResponses() { |
| writeInvoker.apply(context, ResponseStatusCode.AUTHENTICATE); |
| Mockito.verify(ctx, Mockito.times(1)).writeAndFlush(Mockito.any()); |
| |
| writeInvoker.apply(context, ResponseStatusCode.PARTIAL_CONTENT); |
| Mockito.verify(ctx, Mockito.times(2)).writeAndFlush(Mockito.any()); |
| |
| writeInvoker.apply(context, ResponseStatusCode.PARTIAL_CONTENT); |
| Mockito.verify(ctx, Mockito.times(3)).writeAndFlush(Mockito.any()); |
| } |
| |
| @Test |
| public void shouldAllowAtMostOneFinalResponse() { |
| writeInvoker.apply(context, ResponseStatusCode.AUTHENTICATE); |
| Mockito.verify(ctx, Mockito.times(1)).writeAndFlush(Mockito.any()); |
| |
| writeInvoker.apply(context, ResponseStatusCode.SUCCESS); |
| Mockito.verify(ctx, Mockito.times(2)).writeAndFlush(Mockito.any()); |
| |
| writeInvoker.apply(context, ResponseStatusCode.SERVER_ERROR_TIMEOUT); |
| assertTrue(recordingAppender.logContainsAny(".*" + request.getRequestId() + ".*")); |
| assertTrue(recordingAppender.logContainsAny(".*" + ResponseStatusCode.SERVER_ERROR_TIMEOUT + "$")); |
| |
| // ensure there were no other writes to the channel |
| Mockito.verify(ctx, Mockito.times(2)).writeAndFlush(Mockito.any()); |
| } |
| |
| @Test |
| public void shouldNotAllowNonFinalMessagesAfterFinalResponse() { |
| writeInvoker.apply(context, ResponseStatusCode.SERVER_ERROR_TIMEOUT); |
| Mockito.verify(ctx, Mockito.times(1)).writeAndFlush(Mockito.any()); |
| |
| writeInvoker.apply(context, ResponseStatusCode.PARTIAL_CONTENT); |
| assertTrue(recordingAppender.logContainsAny(".*" + request.getRequestId() + ".*")); |
| assertTrue(recordingAppender.logContainsAny(".*" + ResponseStatusCode.PARTIAL_CONTENT + "$")); |
| |
| // ensure there were no other writes to the channel |
| Mockito.verify(ctx, Mockito.times(1)).writeAndFlush(Mockito.any()); |
| } |
| |
| @Test |
| public void shouldReleaseIgnoredFrames() { |
| writeInvoker.apply(context, ResponseStatusCode.SERVER_ERROR_TIMEOUT); |
| Mockito.verify(ctx, Mockito.times(1)).writeAndFlush(Mockito.any()); |
| |
| Frame frame = Mockito.mock(Frame.class); |
| context.writeAndFlush(ResponseStatusCode.SUCCESS, frame); |
| |
| assertTrue(recordingAppender.logContainsAny(".*" + request.getRequestId() + ".*")); |
| assertTrue(recordingAppender.logContainsAny(".*" + ResponseStatusCode.SUCCESS + "$")); |
| |
| // ensure there were no other writes to the channel |
| Mockito.verify(ctx, Mockito.times(1)).writeAndFlush(Mockito.any()); |
| |
| // ensure the frame was released |
| Mockito.verify(frame, Mockito.times(1)).tryRelease(); |
| } |
| } |