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.dolphinscheduler.api.interceptor;
  
  import org.apache.dolphinscheduler.api.configuration.ApiConfig;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.concurrent.ExecutionException;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.Mockito;
  import org.mockito.junit.jupiter.MockitoExtension;
  
  @ExtendWith(MockitoExtension.class)
  public class RateLimitInterceptorTest {
  
      @Test
      public void testPreHandleWithoutControl() throws ExecutionException {
          HttpServletRequest request = Mockito.mock(HttpServletRequest.class);
          HttpServletResponse response = Mockito.mock(HttpServletResponse.class);
          RateLimitInterceptor rateLimitInterceptor = new RateLimitInterceptor(new ApiConfig.TrafficConfiguration());
          Assertions.assertTrue(rateLimitInterceptor.preHandle(request, response, null));
          Assertions.assertTrue(rateLimitInterceptor.preHandle(request, response, null));
      }
  
      @Test
      public void testPreHandleWithTenantLevenControl() throws ExecutionException {
          ApiConfig.TrafficConfiguration trafficConfiguration = new ApiConfig.TrafficConfiguration();
          trafficConfiguration.setTenantSwitch(true);
          Map<String, Integer> map = new HashMap<>();
          map.put("tenant1", 2);
          map.put("tenant2", 2);
          trafficConfiguration.setCustomizeTenantQpsRate(map);
          trafficConfiguration.setDefaultTenantQpsRate(4);
          RateLimitInterceptor rateLimitInterceptor = new RateLimitInterceptor(trafficConfiguration);
  
          HttpServletRequest tenant1Request = Mockito.mock(HttpServletRequest.class);
          HttpServletRequest tenant2Request = Mockito.mock(HttpServletRequest.class);
          Mockito.when(tenant1Request.getHeader(Mockito.any())).thenReturn("tenant1");
          Mockito.when(tenant2Request.getHeader(Mockito.any())).thenReturn("tenant2");
          HttpServletResponse response = Mockito.mock(HttpServletResponse.class);
  
          for (int i = 0; i < 2; i++) {
              rateLimitInterceptor.preHandle(tenant1Request, response, null);
          }
          Assertions.assertFalse(rateLimitInterceptor.preHandle(tenant1Request, response, null));
          Assertions.assertTrue(rateLimitInterceptor.preHandle(tenant2Request, response, null));
      }
  
      @Test
      public void testPreHandleWithGlobalControl() throws ExecutionException {
          ApiConfig.TrafficConfiguration trafficConfiguration = new ApiConfig.TrafficConfiguration();
          trafficConfiguration.setTenantSwitch(true);
          trafficConfiguration.setGlobalSwitch(true);
          trafficConfiguration.setMaxGlobalQpsRate(3);
  
          RateLimitInterceptor rateLimitInterceptor = new RateLimitInterceptor(trafficConfiguration);
          HttpServletRequest request = Mockito.mock(HttpServletRequest.class);
          HttpServletResponse response = Mockito.mock(HttpServletResponse.class);
  
          for (int i = 0; i < 2; i++) {
              rateLimitInterceptor.preHandle(request, response, null);
          }
          Assertions.assertFalse(rateLimitInterceptor.preHandle(request, response, null));
      }
  
  }
  