java/kudu-client/src/test/java/org/apache/kudu/client/ITFaultTolerantScanner.java

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package org.apache.kudu.client;

import org.junit.Test;

/**
 * Integration test on fault tolerant scanner that inserts enough data
 * to trigger flushes and getting multiple data blocks.
 */
public class ITFaultTolerantScanner extends ITScannerMultiTablet {
  /**
   * Verifies for fault tolerant scanner, it can proceed
   * properly even if disconnects client connection.
   */
  @Test(timeout = 100000)
  public void testFaultTolerantDisconnect() throws KuduException {
    clientFaultInjection(true);
  }

  /**
   * Tests fault tolerant scanner by restarting the tablet server in the middle
   * of tablet scanning and verifies the scan results are as expected.
   */
  @Test(timeout = 100000)
  public void testFaultTolerantScannerRestart() throws Exception {
    serverFaultInjection(true, true, false);
  }

  /**
   * Tests fault tolerant scanner by killing the tablet server in the middle
   * of tablet scanning and verifies the scan results are as expected.
   */
  @Test(timeout = 100000)
  public void testFaultTolerantScannerKill() throws Exception {
    serverFaultInjection(false, true, false);
  }

  /**
   * Tests fault tolerant scanner by killing the tablet server while scanning
   * (after finish scan of first tablet) and verifies the scan results are as expected.
   */
  @Test(timeout = 100000)
  public void testFaultTolerantScannerKillFinishFirstTablet() throws Exception {
    serverFaultInjection(false, true, true);
  }

  /**
   * Tests fault tolerant scanner by restarting the tablet server while scanning
   * (after finish scan of first tablet) and verifies the scan results are as expected.
   */
  @Test(timeout = 100000)
  public void testFaultTolerantScannerRestartFinishFirstTablet() throws Exception {
    serverFaultInjection(true, true, true);
  }
}