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.test;
  
  import com.alibaba.csp.sentinel.Entry;
  import com.alibaba.csp.sentinel.SphU;
  import com.alibaba.csp.sentinel.Tracer;
  import com.alibaba.csp.sentinel.slots.block.BlockException;
  import org.junit.runner.RunWith;
  import org.mockito.MockedStatic;
  import org.mockito.Mockito;
  import org.mockito.junit.MockitoJUnitRunner;
  
  import com.alibaba.csp.sentinel.util.TimeUtil;
  
  import java.util.concurrent.ThreadLocalRandom;
  
  /**
   * Mock support for {@link TimeUtil}.
   *
   * @author jason
   */
  @RunWith(MockitoJUnitRunner.class)
  public abstract class AbstractTimeBasedTest {
  
      private long currentMillis = 0;
  
      public MockedStatic<TimeUtil> mockTimeUtil() {
          MockedStatic<TimeUtil> mocked = Mockito.mockStatic(TimeUtil.class);
          mocked.when(TimeUtil::currentTimeMillis).thenReturn(currentMillis);
          return mocked;
      }
  
      protected final void useActualTime(MockedStatic<TimeUtil> mocked) {
          mocked.when(TimeUtil::currentTimeMillis).thenCallRealMethod();
      }
  
      protected final void setCurrentMillis(MockedStatic<TimeUtil> mocked, long cur) {
          currentMillis = cur;
          mocked.when(TimeUtil::currentTimeMillis).thenReturn(currentMillis);
      }
  
      protected final void sleep(MockedStatic<TimeUtil> mocked, long t) {
          currentMillis += t;
          mocked.when(TimeUtil::currentTimeMillis).thenReturn(currentMillis);
      }
  
      protected final void sleepSecond(MockedStatic<TimeUtil> mocked, long timeSec) {
          sleep(mocked, timeSec * 1000);
      }
      
      protected final boolean entryAndSleepFor(MockedStatic<TimeUtil> mocked, String res, int sleepMs) {
          Entry entry = null;
          try {
              entry = SphU.entry(res);
              sleep(mocked, sleepMs);
          } catch (BlockException ex) {
              return false;
          } catch (Exception ex) {
              Tracer.traceEntry(ex, entry);
          } finally {
              if (entry != null) {
                  entry.exit();
              }
          }
          return true;
      }
  
      protected final boolean entryWithErrorIfPresent(MockedStatic<TimeUtil> mocked, String res, Exception ex) {
          Entry entry = null;
          try {
              entry = SphU.entry(res);
              if (ex != null) {
                  Tracer.traceEntry(ex, entry);
              }
              sleep(mocked, ThreadLocalRandom.current().nextInt(5, 10));
          } catch (BlockException b) {
              return false;
          } finally {
              if (entry != null) {
                  entry.exit();
              }
          }
          return true;
      }
  }
  