com.linecorp.armeria.server.http.ServiceCodecPromiseTest.java Source code

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Here is the source code for com.linecorp.armeria.server.http.ServiceCodecPromiseTest.java

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/*
 * Copyright 2015 LINE Corporation
 *
 * LINE Corporation 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 com.linecorp.armeria.server.http;

import static org.junit.Assert.assertTrue;

import java.nio.charset.StandardCharsets;

import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.junit.Test;
import org.junit.experimental.runners.Enclosed;
import org.junit.runner.RunWith;

import com.linecorp.armeria.common.ServiceInvocationContext;
import com.linecorp.armeria.common.SessionProtocol;
import com.linecorp.armeria.server.AbstractServerTest;
import com.linecorp.armeria.server.DecoratingServiceCodec;
import com.linecorp.armeria.server.ServerBuilder;
import com.linecorp.armeria.server.Service;
import com.linecorp.armeria.server.ServiceConfig;
import com.linecorp.armeria.server.ServiceInvocationHandler;
import com.linecorp.armeria.server.VirtualHostBuilder;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;
import io.netty.handler.codec.http.DefaultFullHttpResponse;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.handler.codec.http.HttpVersion;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GenericFutureListener;
import io.netty.util.concurrent.Promise;

@RunWith(Enclosed.class)
public class ServiceCodecPromiseTest {

    protected static void setupServer(ServerBuilder sb,
            GenericFutureListener<? extends Future<? super Object>> listener, ServiceInvocationHandler handler) {
        Service service = Service.of(new DecoratingServiceCodec(new HttpServiceCodec()) {
            @Override
            public DecodeResult decodeRequest(ServiceConfig cfg, Channel ch, SessionProtocol sessionProtocol,
                    String hostname, String path, String mappedPath, ByteBuf in, Object originalRequest,
                    Promise<Object> promise) throws Exception {
                promise.addListener(listener);
                return delegate().decodeRequest(cfg, ch, sessionProtocol, hostname, path, mappedPath, in,
                        originalRequest, promise);
            }

            @Override
            public ByteBuf encodeResponse(ServiceInvocationContext ctx, Object response) throws Exception {
                return Unpooled.EMPTY_BUFFER;
            }
        }, handler);

        sb.serviceAt("/", service);
    }

    abstract static class ExecutionCheckingTest extends AbstractServerTest {
        private boolean executed;

        protected GenericFutureListener<? extends Future<? super Object>> defaultListener = (
                Future<? super Object> future) -> executed = true;

        @Test
        public void test() throws Exception {
            try (CloseableHttpClient hc = HttpClients.createMinimal()) {
                final HttpPost req = new HttpPost(uri("/"));
                req.setEntity(new StringEntity("Hello, world!", StandardCharsets.UTF_8));

                hc.execute(req);

                assertTrue(executed);
            }
        }
    }

    public static class NormalResponseTest extends ExecutionCheckingTest {
        @Override
        protected void configureServer(ServerBuilder sb) {
            setupServer(sb, defaultListener,
                    (ctx, blockingTaskExecutor, promise) -> promise.trySuccess("Hello World"));
        }
    }

    public static class HttpResponseTest extends ExecutionCheckingTest {
        @Override
        protected void configureServer(ServerBuilder sb) {
            setupServer(sb, defaultListener, (ctx, blockingTaskExecutor, promise) -> promise
                    .trySuccess(new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK)));
        }
    }

    public static class ExceptionResponseTest extends ExecutionCheckingTest {
        @Override
        protected void configureServer(ServerBuilder sb) {
            setupServer(sb, defaultListener,
                    (ctx, blockingTaskExecutor, promise) -> promise.tryFailure(new RuntimeException()));
        }
    }
}