/*
    * 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.syncope.client.lib;
  
  import static org.junit.jupiter.api.Assertions.fail;
  
  import org.apache.commons.lang3.StringUtils;
  import org.apache.syncope.common.rest.api.service.SyncopeService;
  import org.junit.jupiter.api.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class ConcurrencyTest {
  
      private static final Logger LOG = LoggerFactory.getLogger(ConcurrencyTest.class);
  
      private static final int THREAD_NUMBER = 1000;
  
      private static final SyncopeClient CLIENT = new SyncopeClientFactoryBean().
              setAddress("http://url").create(new AuthenticationHandler() {
      });
  
      @Test
      public void multiThreadTest() throws InterruptedException {
          for (int i = 0; i < THREAD_NUMBER; i++) {
              Thread execution = new Thread("Th-" + StringUtils.leftPad(String.valueOf(i), 5, '0')) {
  
                  @Override
                  public void run() {
  
                      try {
                          CLIENT.getService(SyncopeService.class);
  
                          LOG.info(getName() + " completed successfully!");
                      } catch (Exception e) {
                          LOG.error(getName() + " did not complete", e);
                      }
                  }
              };
              try {
                  execution.start();
              } catch (OutOfMemoryError e) {
                  // ignore
              }
          }
  
          Thread.sleep(THREAD_NUMBER);
      }
  
      @Test
      public void multiCallTest() {
          try {
              for (int i = 0; i < THREAD_NUMBER; i++) {
                  CLIENT.getService(SyncopeService.class);
              }
          } catch (Exception e) {
              fail(e::getMessage);
          }
      }
  }