package org.apache.hadoop.hive.cli;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import java.io.*;
import java.util.*;

import org.apache.hadoop.hive.ql.QTestUtil;
import org.apache.hadoop.hive.ql.exec.Task;
import org.apache.hadoop.hive.ql.history.HiveHistoryViewer;
import org.apache.hadoop.hive.ql.history.HiveHistory.QueryInfo;
import org.apache.hadoop.hive.ql.history.HiveHistory.Keys;
import org.apache.hadoop.hive.ql.history.HiveHistory.TaskInfo;
import org.apache.hadoop.hive.ql.session.SessionState;



import org.antlr.runtime.*;
import org.antlr.runtime.tree.*;

public class $className extends TestCase {

  private static QTestUtil qt;

  static {
    try {
      boolean miniMR = false;
      String hadoopVer;
      if ("$clusterMode".equals("miniMR"))
        miniMR = true;
      hadoopVer = "$hadoopVersion";
      qt = new QTestUtil("$resultsDir.getCanonicalPath()", "$logDir.getCanonicalPath()", miniMR, hadoopVer);

      // do a one time initialization
      qt.cleanUp();
      qt.createSources();

    } catch (Exception e) {
      System.out.println("Exception: " + e.getMessage());
      e.printStackTrace();
      System.out.flush();
      fail("Unexpected exception in static initialization");
    }
  }

  public $className(String name) {
    super(name);
  }

  @Override
  protected void setUp() {
    try {
      qt.clearTestSideEffects();
    } catch (Exception e) {
      System.out.println("Exception: " + e.getMessage());
      e.printStackTrace();
      System.out.flush();
      fail("Unexpected exception in setup");
    }
  }

  /**
   * Dummy last test. This is only meant to shutdown qt
   */
  public void testCliDriver_shutdown() {
    System.out.println ("Cleaning up " + "$className");
  }

  @Override
  protected void tearDown() {
    try {
      qt.clearPostTestEffects();
      if (getName().equals("testCliDriver_shutdown"))
        qt.shutdown();
    }
    catch (Exception e) {
      System.out.println("Exception: " + e.getMessage());
      e.printStackTrace();
      System.out.flush();
      fail("Unexpected exception in tearDown");
    }
  }

  public static Test suite() {
    TestSuite suite = new TestSuite();
#foreach ($qf in $qfiles)
  #set ($fname = $qf.getName())
  #set ($eidx = $fname.indexOf('.'))
  #set ($tname = $fname.substring(0, $eidx))
    suite.addTest(new $className("testCliDriver_$tname"));
#end
    suite.addTest(new $className("testCliDriver_shutdown"));
    return suite;
  }

  static String debugHint = "\nSee build/ql/tmp/hive.log, "
     + "or try \"ant test ... -Dtest.silent=false\" to get more logs.";

#foreach ($qf in $qfiles)
  #set ($fname = $qf.getName())
  #set ($eidx = $fname.indexOf('.'))
  #set ($tname = $fname.substring(0, $eidx))
  public void testCliDriver_$tname() throws Exception {
    try {
      System.out.println("Begin query: " + "$fname");

      qt.addFile("$qf.getCanonicalPath()");

      if (qt.shouldBeSkipped("$fname")) {
        return;
      }

      qt.cliInit("$fname", false);
      int ecode = qt.executeClient("$fname");
      if (ecode != 0) {
        fail("Client Execution failed with error code = " + ecode + debugHint);
      }
      if (SessionState.get() != null) {
        HiveHistoryViewer hv = new HiveHistoryViewer(SessionState.get()
          .getHiveHistory().getHistFileName());
        Map<String, QueryInfo> jobInfoMap = hv.getJobInfoMap();
        Map<String, TaskInfo> taskInfoMap = hv.getTaskInfoMap();

        if(jobInfoMap.size() != 0) {
          String cmd = (String)jobInfoMap.keySet().toArray()[0];
          QueryInfo ji = jobInfoMap.get(cmd);

          if (!ji.hm.get(Keys.QUERY_RET_CODE.name()).equals("0")) {
              fail("Wrong return code in hive history" + debugHint);
          }
        }
      }

      ecode = qt.checkCliDriverResults("$fname");
      if (ecode != 0) {
        fail("Client execution results failed with error code = " + ecode
            + debugHint);
      }
    }
    catch (Throwable e) {
      System.out.println("Exception: " + e.getMessage());
      e.printStackTrace();
      System.out.flush();
      fail("Unexpected exception" + debugHint);
    }

    System.out.println("Done query: " + "$fname");
    assertTrue("Test passed", true);
  }

#end
}