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.metric.extension.callback;
  
  import com.alibaba.csp.sentinel.Entry;
  import com.alibaba.csp.sentinel.EntryType;
  import com.alibaba.csp.sentinel.context.Context;
  import com.alibaba.csp.sentinel.metric.extension.MetricExtensionProvider;
  import com.alibaba.csp.sentinel.slotchain.StringResourceWrapper;
  import com.alibaba.csp.sentinel.test.AbstractTimeBasedTest;
  
  import com.alibaba.csp.sentinel.util.TimeUtil;
  import org.junit.Assert;
  import org.junit.Test;
  import org.mockito.MockedStatic;
  
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  
  /**
   * @author Carpenter Lee
   */
  public class MetricExitCallbackTest extends AbstractTimeBasedTest {
  
      @Test
      public void onExit() {
          try (MockedStatic<TimeUtil> mocked = super.mockTimeUtil()) {
              FakeMetricExtension extension = new FakeMetricExtension();
              MetricExtensionProvider.addMetricExtension(extension);
  
              MetricExitCallback exitCallback = new MetricExitCallback();
              StringResourceWrapper resourceWrapper = new StringResourceWrapper("resource", EntryType.OUT);
              int count = 2;
              Object[] args = {"args1", "args2"};
              long prevRt = 20;
              extension.rt = prevRt;
              extension.success = 6;
              extension.thread = 10;
              Context context = mock(Context.class);
              Entry entry = mock(Entry.class);
  
              // Mock current time
              long curMillis = System.currentTimeMillis();
              setCurrentMillis(mocked, curMillis);
  
              int deltaMs = 100;
              when(entry.getError()).thenReturn(null);
              when(entry.getCreateTimestamp()).thenReturn(curMillis - deltaMs);
              when(context.getCurEntry()).thenReturn(entry);
              exitCallback.onExit(context, resourceWrapper, count, args);
              Assert.assertEquals(prevRt + deltaMs, extension.rt);
              Assert.assertEquals(extension.success, 6 + count);
              Assert.assertEquals(extension.thread, 10 - 1);
          }
      }
  
      /**
       * @author bill_yip
       */
      @Test
      public void advancedExtensionOnExit() {
          try (MockedStatic<TimeUtil> mocked = super.mockTimeUtil()) {
              FakeAdvancedMetricExtension extension = new FakeAdvancedMetricExtension();
              MetricExtensionProvider.addMetricExtension(extension);
  
              MetricExitCallback exitCallback = new MetricExitCallback();
              StringResourceWrapper resourceWrapper = new StringResourceWrapper("resource", EntryType.OUT);
              int count = 2;
              Object[] args = {"args1", "args2"};
              long prevRt = 20;
              extension.rt = prevRt;
              extension.complete = 6;
              extension.concurrency = 10;
              Context context = mock(Context.class);
              Entry entry = mock(Entry.class);
  
              // Mock current time
              long curMillis = System.currentTimeMillis();
              setCurrentMillis(mocked, curMillis);
  
              int deltaMs = 100;
              when(entry.getError()).thenReturn(null);
              when(entry.getCreateTimestamp()).thenReturn(curMillis - deltaMs);
              when(context.getCurEntry()).thenReturn(entry);
              exitCallback.onExit(context, resourceWrapper, count, args);
              Assert.assertEquals(prevRt + deltaMs, extension.rt);
              Assert.assertEquals(extension.complete, 6 + count);
              Assert.assertEquals(extension.concurrency, 10 - 1);
          }
      }
  }
  