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.cluster.flow;
  
  import com.alibaba.csp.sentinel.cluster.TokenResult;
  import com.alibaba.csp.sentinel.cluster.flow.statistic.ClusterMetricStatistics;
  import com.alibaba.csp.sentinel.cluster.flow.statistic.metric.ClusterMetric;
  import com.alibaba.csp.sentinel.slots.block.ClusterRuleConstant;
  import com.alibaba.csp.sentinel.slots.block.flow.ClusterFlowConfig;
  import com.alibaba.csp.sentinel.slots.block.flow.FlowRule;
  
  import org.junit.Ignore;
  import org.junit.Test;
  
  import static org.junit.Assert.*;
  import static com.alibaba.csp.sentinel.cluster.ClusterFlowTestUtil.*;
  
  /**
   * @author Eric Zhao
   * @since 1.4.0
   */
  public class ClusterFlowCheckerTest {
  
      //@Test
      public void testAcquireClusterTokenOccupyPass() {
          long flowId = 98765L;
          final int threshold = 5;
          FlowRule clusterRule = new FlowRule("abc")
              .setCount(threshold)
              .setClusterMode(true)
              .setClusterConfig(new ClusterFlowConfig()
                  .setFlowId(flowId)
                  .setThresholdType(ClusterRuleConstant.FLOW_THRESHOLD_GLOBAL));
          int sampleCount = 5;
          int intervalInMs = 1000;
          int bucketLength = intervalInMs / sampleCount;
          ClusterMetric metric = new ClusterMetric(sampleCount, intervalInMs);
          ClusterMetricStatistics.putMetric(flowId, metric);
  
          System.out.println(System.currentTimeMillis());
          assertResultPass(tryAcquire(clusterRule, false));
          assertResultPass(tryAcquire(clusterRule, false));
          sleep(bucketLength);
          assertResultPass(tryAcquire(clusterRule, false));
          sleep(bucketLength);
          assertResultPass(tryAcquire(clusterRule, true));
          assertResultPass(tryAcquire(clusterRule, false));
          assertResultBlock(tryAcquire(clusterRule, true));
          sleep(bucketLength);
          assertResultBlock(tryAcquire(clusterRule, false));
          assertResultBlock(tryAcquire(clusterRule, false));
          sleep(bucketLength);
          assertResultBlock(tryAcquire(clusterRule, false));
          assertResultWait(tryAcquire(clusterRule, true), bucketLength);
          assertResultBlock(tryAcquire(clusterRule, false));
          sleep(bucketLength);
          assertResultPass(tryAcquire(clusterRule, false));
  
          ClusterMetricStatistics.removeMetric(flowId);
      }
  
      private TokenResult tryAcquire(FlowRule clusterRule, boolean occupy) {
          return ClusterFlowChecker.acquireClusterToken(clusterRule, 1, occupy);
      }
  }