content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed 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.alibaba.csp.sentinel.adapter.gateway.zuul2.fallback;
  
  import com.alibaba.csp.sentinel.slots.block.flow.FlowException;
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * @author tiger
   */
  public class ZuulBlockFallbackManagerTest {
  
      private String ROUTE = "/test";
  
      private String DEFAULT_ROUTE = "*";
  
      class MyNullResponseFallBackProvider implements ZuulBlockFallbackProvider {
          @Override
          public String getRoute() {
              return ROUTE;
          }
  
          @Override
          public BlockResponse fallbackResponse(String route, Throwable cause) {
              return null;
          }
      }
  
      @Test
      public void testRegisterProvider() throws Exception {
          MyNullResponseFallBackProvider myNullResponseFallBackProvider = new MyNullResponseFallBackProvider();
          ZuulBlockFallbackManager.registerProvider(myNullResponseFallBackProvider);
          Assert.assertEquals(myNullResponseFallBackProvider.getRoute(), ROUTE);
          Assert.assertNull(myNullResponseFallBackProvider.fallbackResponse(ROUTE, new FlowException("flow ex")));
      }
  
      @Test
      public void clear() {
          MyNullResponseFallBackProvider myNullResponseFallBackProvider = new MyNullResponseFallBackProvider();
          ZuulBlockFallbackManager.registerProvider(myNullResponseFallBackProvider);
          Assert.assertEquals(myNullResponseFallBackProvider.getRoute(), ROUTE);
          ZuulBlockFallbackManager.clear();
          Assert.assertEquals(ZuulBlockFallbackManager.getFallbackProvider(ROUTE).getRoute(), DEFAULT_ROUTE);
      }
  
  }