public void testForceUpdateUrls() {
    AuState auState = new AuState(mau, historyRepo);
    assertNull(historyRepo.theAuState);

    Collection col = auState.getCrawlUrls();
    if (AuState.URL_UPDATE_LIMIT > 1) {
      col.add("test");
      auState.updatedCrawlUrls(true);
      assertEquals(0, auState.urlUpdateCntr);
      assertNotNull(historyRepo.theAuState);
    }
  }
  public void testUpdateUrls() {
    AuState auState = new AuState(mau, historyRepo);
    assertNull(historyRepo.theAuState);

    Collection col = auState.getCrawlUrls();
    for (int ii = 1; ii < AuState.URL_UPDATE_LIMIT; ii++) {
      col.add("test" + ii);
      auState.updatedCrawlUrls(false);
      assertEquals(ii, auState.urlUpdateCntr);
      assertNull(historyRepo.theAuState);
    }
    col.add("test-limit");
    auState.updatedCrawlUrls(false);
    assertEquals(0, auState.urlUpdateCntr);
    assertNotNull(historyRepo.theAuState);

    // clear, and check that counter is reset
    historyRepo.theAuState = null;
    if (AuState.URL_UPDATE_LIMIT > 1) {
      col.add("test");
      auState.updatedCrawlUrls(false);
      assertNull(historyRepo.theAuState);
    }
  }