content: /*
   * 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.camel.component.http;
  
  import java.io.File;
  
  import org.apache.camel.RoutesBuilder;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.http.handler.BasicValidationHandler;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.spi.StreamCachingStrategy;
  import org.apache.camel.util.FileUtil;
  import org.apache.hc.core5.http.impl.bootstrap.HttpServer;
  import org.apache.hc.core5.http.impl.bootstrap.ServerBootstrap;
  import org.junit.jupiter.api.Test;
  
  import static org.apache.camel.http.common.HttpMethods.GET;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class HttpStreamCacheNoSpoolToDiskTest extends BaseHttpTest {
  
      private HttpServer localServer;
  
      @Override
      public void setupResources() throws Exception {
          localServer = ServerBootstrap.bootstrap()
                  .setCanonicalHostName("localhost").setHttpProcessor(getBasicHttpProcessor())
                  .setConnectionReuseStrategy(getConnectionReuseStrategy()).setResponseFactory(getHttpResponseFactory())
                  .setSslContext(getSSLContext())
                  .register("/test/", new BasicValidationHandler(GET.name(), null, null, getExpectedContent())).create();
          localServer.start();
  
          FileUtil.removeDir(new File("target/camel-cache"));
      }
  
      @Override
      public void cleanupResources() throws Exception {
          if (localServer != null) {
              localServer.stop();
          }
      }
  
      @Test
      public void httpNoSpoolToDisk() throws Exception {
          MockEndpoint result = getMockEndpoint("mock:result");
          result.expectedBodiesReceived("camel rocks!");
          result.expectedFileExists("target/output/rock.txt");
  
          Object out = template.requestBody("direct:start", (String) null);
          assertEquals("camel rocks!", context.getTypeConverter().convertTo(String.class, out));
  
          result.assertIsSatisfied();
      }
  
      @Override
      protected RoutesBuilder createRouteBuilder() throws Exception {
          return new RouteBuilder() {
              @Override
              public void configure() throws Exception {
                  StreamCachingStrategy streamCachingStrategy = context.getStreamCachingStrategy();
                  streamCachingStrategy.setSpoolDirectory("target/camel-cache");
                  streamCachingStrategy.setSpoolThreshold(5000); // spool to disk to high so content stays in memory
                  streamCachingStrategy.setSpoolEnabled(true);
                  streamCachingStrategy.setBufferSize(4096);
  
                  from("direct:start").streamCache("true")
                          .to("http://localhost:" + localServer.getLocalPort() + "/test/?disableStreamCache=true")
                          .process(e -> {
                              // should not be temp spool file
                              int files = new File("target/camel-cache").list().length;
                              assertEquals(0, files);
                          })
                          .to("file:target/output?fileName=rock.txt")
                          .to("mock:result");
              }
          };
      }
  }
  