@Test
  public void testTwoDraws() throws Exception {
    // Test initialisation

    /*
     * find a seed for which the draw differs: we loop until the
     * first index drawn (Random(seed).nextInt(SilanisLottery.MAX_BALL))
     * is different from the first index drawn for
     * Random(seed + 1).SilanisLottery.MAX_BALL
     */
    long seed;
    do {
      seed = System.currentTimeMillis();
    } while (new Random(seed).nextInt(SilanisLottery.MAX_BALL)
        == new Random(seed + 1).nextInt(SilanisLottery.MAX_BALL));

    this.drawableInteger = new DrawableInteger(new Random(seed));

    final List<Integer> draws = new ArrayList<>();
    this.fillDraws(draws);

    final List<Integer> secondDraws = new ArrayList<>();
    this.drawableInteger = new DrawableInteger(new Random(seed + 1));
    this.fillDraws(secondDraws);
    assertThat(secondDraws).as("The sequence of draws is supposed").isNotEqualTo(draws);
  }
  @Test
  public void testTwoDrawsInitializedWithTheSameSeed() throws Exception {
    final long seed = System.currentTimeMillis();
    this.drawableInteger = new DrawableInteger(new Random(seed));

    final List<Integer> draws = new ArrayList<>();
    this.fillDraws(draws);

    final List<Integer> secondDraws = new ArrayList<>();
    this.drawableInteger = new DrawableInteger(new Random(seed));
    this.fillDraws(secondDraws);
    // secondDraws will be strictly equal to this.drawableInteger
    assertThat(secondDraws).isEqualTo(draws);
  }
Ejemplo n.º 3
0
  private void testGetOldestNewestCSNs(final int max, final int counterWindow) throws Exception {
    String tn = "testDBCount(" + max + "," + counterWindow + ")";
    debugInfo(tn, "Starting test");

    File testRoot = null;
    ReplicationServer replicationServer = null;
    ReplicationDbEnv dbEnv = null;
    JEReplicaDB replicaDB = null;
    try {
      TestCaseUtils.startServer();
      replicationServer = configureReplicationServer(100000, 10);

      testRoot = createCleanDir();
      dbEnv = new ReplicationDbEnv(testRoot.getPath(), replicationServer);
      replicaDB = new JEReplicaDB(1, TEST_ROOT_DN, replicationServer, dbEnv);
      replicaDB.setCounterRecordWindowSize(counterWindow);

      // Populate the db with 'max' msg
      int mySeqnum = 1;
      CSN csns[] = new CSN[2 * (max + 1)];
      long now = System.currentTimeMillis();
      for (int i = 1; i <= max; i++) {
        csns[i] = new CSN(now + i, mySeqnum, 1);
        replicaDB.add(new DeleteMsg(TEST_ROOT_DN, csns[i], "uid"));
        mySeqnum += 2;
      }

      assertEquals(replicaDB.getOldestCSN(), csns[1], "Wrong oldest CSN");
      assertEquals(replicaDB.getNewestCSN(), csns[max], "Wrong newest CSN");

      // Now we want to test that after closing and reopening the db, the
      // counting algo is well reinitialized and when new messages are added
      // the new counter are correctly generated.
      debugInfo(tn, "SHUTDOWN replicaDB and recreate");
      replicaDB.shutdown();

      replicaDB = new JEReplicaDB(1, TEST_ROOT_DN, replicationServer, dbEnv);
      replicaDB.setCounterRecordWindowSize(counterWindow);

      assertEquals(replicaDB.getOldestCSN(), csns[1], "Wrong oldest CSN");
      assertEquals(replicaDB.getNewestCSN(), csns[max], "Wrong newest CSN");

      // Populate the db with 'max' msg
      for (int i = max + 1; i <= 2 * max; i++) {
        csns[i] = new CSN(now + i, mySeqnum, 1);
        replicaDB.add(new DeleteMsg(TEST_ROOT_DN, csns[i], "uid"));
        mySeqnum += 2;
      }

      assertEquals(replicaDB.getOldestCSN(), csns[1], "Wrong oldest CSN");
      assertEquals(replicaDB.getNewestCSN(), csns[2 * max], "Wrong newest CSN");

      replicaDB.purgeUpTo(new CSN(Long.MAX_VALUE, 0, 0));

      String testcase = "AFTER PURGE (oldest, newest)=";
      debugInfo(tn, testcase + replicaDB.getOldestCSN() + replicaDB.getNewestCSN());
      assertEquals(replicaDB.getNewestCSN(), csns[2 * max], "Newest=");

      // Clear ...
      debugInfo(tn, "clear:");
      replicaDB.clear();

      // Check the db is cleared.
      assertEquals(null, replicaDB.getOldestCSN());
      assertEquals(null, replicaDB.getNewestCSN());
      debugInfo(tn, "Success");
    } finally {
      shutdown(replicaDB);
      if (dbEnv != null) {
        dbEnv.shutdown();
      }
      remove(replicationServer);
      TestCaseUtils.deleteDirectory(testRoot);
    }
  }
Ejemplo n.º 4
0
  @DataProvider
  Object[][] cursorData() {
    // create 7 csns
    final CSN[] sevenCsns = generateCSNs(1, System.currentTimeMillis(), 7);
    CSN beforeCsn = sevenCsns[0];
    CSN middleCsn = sevenCsns[3]; // will be between csns[1] and csns[2]
    CSN afterCsn = sevenCsns[6];

    // but use only 4 of them for update msg
    // beforeCsn, middleCsn and afterCsn are not used
    // in order to test cursor generation from a key not present in the log (before, in the middle,
    // after)
    final List<CSN> usedCsns = new ArrayList<CSN>(Arrays.asList(sevenCsns));
    usedCsns.remove(beforeCsn);
    usedCsns.remove(middleCsn);
    usedCsns.remove(afterCsn);
    final CSN[] csns = usedCsns.toArray(new CSN[4]);

    return new Object[][] {
      // equal matching
      {csns, beforeCsn, EQUAL_TO_KEY, ON_MATCHING_KEY, -1, -1},
      {csns, csns[0], EQUAL_TO_KEY, ON_MATCHING_KEY, 0, 3},
      {csns, csns[1], EQUAL_TO_KEY, ON_MATCHING_KEY, 1, 3},
      {csns, middleCsn, EQUAL_TO_KEY, ON_MATCHING_KEY, -1, -1},
      {csns, csns[2], EQUAL_TO_KEY, ON_MATCHING_KEY, 2, 3},
      {csns, csns[3], EQUAL_TO_KEY, ON_MATCHING_KEY, 3, 3},
      {csns, afterCsn, EQUAL_TO_KEY, ON_MATCHING_KEY, -1, -1},
      {csns, beforeCsn, EQUAL_TO_KEY, AFTER_MATCHING_KEY, -1, -1},
      {csns, csns[0], EQUAL_TO_KEY, AFTER_MATCHING_KEY, 1, 3},
      {csns, csns[1], EQUAL_TO_KEY, AFTER_MATCHING_KEY, 2, 3},
      {csns, middleCsn, EQUAL_TO_KEY, AFTER_MATCHING_KEY, -1, -1},
      {csns, csns[2], EQUAL_TO_KEY, AFTER_MATCHING_KEY, 3, 3},
      {csns, csns[3], EQUAL_TO_KEY, AFTER_MATCHING_KEY, -1, -1},
      {csns, afterCsn, EQUAL_TO_KEY, AFTER_MATCHING_KEY, -1, -1},

      // less than or equal matching
      {csns, beforeCsn, LESS_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, -1, -1},
      {csns, csns[0], LESS_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, 0, 3},
      {csns, csns[1], LESS_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, 1, 3},
      {csns, middleCsn, LESS_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, 1, 3},
      {csns, csns[2], LESS_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, 2, 3},
      {csns, csns[3], LESS_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, 3, 3},
      {csns, afterCsn, LESS_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, 3, 3},
      {csns, beforeCsn, LESS_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, -1, -1},
      {csns, csns[0], LESS_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, 1, 3},
      {csns, csns[1], LESS_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, 2, 3},
      {csns, middleCsn, LESS_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, 2, 3},
      {csns, csns[2], LESS_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, 3, 3},
      {csns, csns[3], LESS_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, -1, -1},
      {csns, afterCsn, LESS_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, -1, -1},

      // greater than or equal matching
      {csns, beforeCsn, GREATER_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, 0, 3},
      {csns, csns[0], GREATER_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, 0, 3},
      {csns, csns[1], GREATER_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, 1, 3},
      {csns, middleCsn, GREATER_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, 2, 3},
      {csns, csns[2], GREATER_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, 2, 3},
      {csns, csns[3], GREATER_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, 3, 3},
      {csns, afterCsn, GREATER_THAN_OR_EQUAL_TO_KEY, ON_MATCHING_KEY, -1, -1},
      {csns, beforeCsn, GREATER_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, 0, 3},
      {csns, csns[0], GREATER_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, 1, 3},
      {csns, csns[1], GREATER_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, 2, 3},
      {csns, middleCsn, GREATER_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, 2, 3},
      {csns, csns[2], GREATER_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, 3, 3},
      {csns, csns[3], GREATER_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, -1, -1},
      {csns, afterCsn, GREATER_THAN_OR_EQUAL_TO_KEY, AFTER_MATCHING_KEY, -1, -1},
      {null, null, null, null, -1, -1} // stop line
    };
  }