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.transport.init;
  
  import com.alibaba.csp.sentinel.config.SentinelConfig;
  import com.alibaba.csp.sentinel.transport.HeartbeatSender;
  import com.alibaba.csp.sentinel.transport.config.TransportConfig;
  
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  import static org.junit.Assert.*;
  import static org.mockito.Mockito.*;
  
  /**
   * @author Eric Zhao
   */
  public class HeartbeatSenderInitFuncTest {
  
      @Before
      public void setUp() throws Exception {
          SentinelConfig.removeConfig(TransportConfig.HEARTBEAT_INTERVAL_MS);
      }
  
      @After
      public void tearDown() throws Exception {
          SentinelConfig.removeConfig(TransportConfig.HEARTBEAT_INTERVAL_MS);
      }
  
      @Test
      public void testRetrieveInterval() {
          HeartbeatSender sender = mock(HeartbeatSender.class);
  
          long senderInterval = 5666;
          long configInterval = 6777;
  
          when(sender.intervalMs()).thenReturn(senderInterval);
  
          HeartbeatSenderInitFunc func = new HeartbeatSenderInitFunc();
          assertEquals(senderInterval, func.retrieveInterval(sender));
  
          // Invalid interval.
          SentinelConfig.setConfig(TransportConfig.HEARTBEAT_INTERVAL_MS, "-1");
          assertEquals(senderInterval, func.retrieveInterval(sender));
  
          SentinelConfig.setConfig(TransportConfig.HEARTBEAT_INTERVAL_MS, String.valueOf(configInterval));
          assertEquals(configInterval, func.retrieveInterval(sender));
      }
  }