code: /*
   * 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.skywalking.oap.server.core.config.group;
  
  import org.apache.skywalking.oap.server.configuration.api.ConfigChangeWatcher;
  import org.apache.skywalking.oap.server.core.CoreModule;
  import org.apache.skywalking.oap.server.library.module.ModuleDefine;
  import org.apache.skywalking.oap.server.library.module.ModuleProvider;
  import org.apache.skywalking.oap.server.library.module.ModuleStartException;
  import org.apache.skywalking.oap.server.library.module.ServiceNotProvidedException;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  
  import java.io.FileNotFoundException;
  
  public class EndpointNameGroupingRuleWatcherTest {
      @Test
      public void testWatcher() throws FileNotFoundException {
          EndpointNameGrouping endpointNameGrouping = new EndpointNameGrouping();
  
          EndpointNameGroupingRuleWatcher watcher = new EndpointNameGroupingRuleWatcher(
              new ModuleProvider() {
                  @Override
                  public String name() {
                      return "test";
                  }
  
                  @Override
                  public Class<? extends ModuleDefine> module() {
                      return CoreModule.class;
                  }
  
                  @Override
                  public ConfigCreator newConfigCreator() {
                      return null;
                  }
  
                  @Override
                  public void prepare() throws ServiceNotProvidedException, ModuleStartException {
  
                  }
  
                  @Override
                  public void start() throws ServiceNotProvidedException, ModuleStartException {
  
                  }
  
                  @Override
                  public void notifyAfterCompleted() throws ServiceNotProvidedException, ModuleStartException {
  
                  }
  
                  @Override
                  public String[] requiredModules() {
                      return new String[0];
                  }
              }, endpointNameGrouping);
          Assertions.assertEquals("/prod/{var}", endpointNameGrouping.format("serviceA", "/prod/123")._1());
  
          watcher.notify(new ConfigChangeWatcher.ConfigChangeEvent(
                  "grouping:\n" +
                  "  # Endpoint of the service would follow the following rules\n" +
                  "  - service-name: serviceA\n" +
                  "    rules:\n" +
                  "      - /prod/{var}\n" +
                  "      - /prod/{var}/info\n"
              , ConfigChangeWatcher.EventType.MODIFY
          ));
  
          Assertions.assertEquals("/prod/{var}/info", endpointNameGrouping.format("serviceA", "/prod/123/info")._1());
  
          watcher.notify(new ConfigChangeWatcher.ConfigChangeEvent("", ConfigChangeWatcher.EventType.DELETE));
          Assertions.assertEquals("/prod/123", endpointNameGrouping.format("serviceA", "/prod/123")._1());
      }
  }
  