content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.stress;
  
  import static org.junit.Assert.assertArrayEquals;
  import static org.junit.Assert.assertEquals;
  
  import alluxio.stress.cli.AbstractStressBench;
  import alluxio.stress.common.FileSystemParameters;
  
  import com.google.common.collect.ImmutableList;
  import org.junit.Test;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public class AbstractStressBenchTest {
    // an implementation to test the abstract class logic
    private class TestStressBench extends AbstractStressBench<TaskResult, FileSystemParameters> {
      // used to store the executed write type and arguments
      List<String> mWriteTypeList = new ArrayList<>();
      List<String[]> mArgsList = new ArrayList<>();
  
      TestStressBench() {
        mParameters = new FileSystemParameters();
      }
  
      @Override
      public String getBenchDescription() {
        return "";
      }
  
      @Override
      public TaskResult runLocal() {
        return null;
      }
  
      @Override
      public void prepare() {
      }
  
      // runSingleTask will store the executed task arguments
      @Override
      protected String runSingleTask(String[] args) {
        mWriteTypeList.add(mParameters.mWriteType);
        mArgsList.add(args.clone());
        return "";
      }
  
      public FileSystemParameters getParameter() {
        return mParameters;
      }
  
      public List<String> getWriteTypeList() {
        return mWriteTypeList;
      }
  
      public List<String[]> getArgsList() {
        return mArgsList;
      }
  
      @Override
      public void validateParams() throws Exception {
      }
    }
  
    @Test
    public void singleTaskTest() throws Exception {
      String[] input = new String[] {
          "--write-type", "MUST_CACHE",
          "--read-type", "NO_CACHE",
          "--client-type", "AlluxioNative",
      };
  
      // try all possible write type input
      List<String> possibleWriteType = ImmutableList.of("MUST_CACHE", "CACHE_THROUGH",
          "ASYNC_THROUGH", "THROUGH");
  
      for (int i = 0; i < possibleWriteType.size(); i++) {
        TestStressBench testBench = new TestStressBench();
        input[1] = possibleWriteType.get(i);
        testBench.run(input);
  
        List<String> writeTypeList = testBench.getWriteTypeList();
        List<String[]> argsList = testBench.getArgsList();
  
        // ensure we have only executed one task
        assertEquals(argsList.size(), 1);
        assertEquals(writeTypeList.size(), 1);
  
        // ensure we have executed the desired input
        assertArrayEquals(input, argsList.get(0));
      }
    }
  
    @Test
    public void multiTaskTest() throws Exception {
      String[] input = new String[] {
          "--write-type", "ALL",
          "--read-type", "NO_CACHE",
          "--client-type", "AlluxioNative",
      };
  
      TestStressBench testBench = new TestStressBench();
      testBench.run(input);
  
      List<String> writeTypeList = testBench.getWriteTypeList();
      List<String[]> argsList = testBench.getArgsList();
  
      // check the input task is the same as the expected batch task
      List<String> possibleWriteType = ImmutableList.of("MUST_CACHE", "CACHE_THROUGH",
          "ASYNC_THROUGH", "THROUGH");
      assertEquals(argsList.size(), 4);
      for (int i = 0; i < argsList.size(); i++) {
        // compare the mParameter
        assertEquals(possibleWriteType.get(i), writeTypeList.get(i));
  
        // compare the executed single task arguments
        input[1] = possibleWriteType.get(i);
        String[] executedTask = argsList.get(i);
        assertArrayEquals(input, executedTask);
      }
    }
  }
  