How to use

getCheckers

method

in

com.palantir.atlasdb.jepsen.JepsenHistoryChecker

  private void assertCheckerHasMatchingCheckers(List<Supplier<Checker>> checkerList, JepsenHistoryChecker checker) {
    checkerList.forEach(
        supplier -> assertThat(checker.getCheckers()).hasAtLeastOneElementOfType(supplier.get().getClass()));
  }
}

@Test
public void canCreateWithAlternativeCheckers() {
  Checker dummyChecker = mock(Checker.class);
  JepsenHistoryChecker checker = JepsenHistoryCheckers.createWithCheckers(
      ImmutableList.of(() -> dummyChecker)
  );
  assertThat(checker.getCheckers()).containsExactly(dummyChecker);
}

@Test
public void canCreateWithTimestampCheckers() {
  JepsenHistoryChecker checker = JepsenHistoryCheckers.createWithTimestampCheckers();
  assertCheckerHasMatchingCheckers(JepsenHistoryCheckers.TIMESTAMP_CHECKERS, checker);
  assertThat(checker.getCheckers()).hasSize(JepsenHistoryCheckers.TIMESTAMP_CHECKERS.size());
}

@Test
public void createsDistinctCheckerInstances() {
  JepsenHistoryChecker checker1 = JepsenHistoryCheckers.createWithTimestampCheckers();
  JepsenHistoryChecker checker2 = JepsenHistoryCheckers.createWithTimestampCheckers();
  for (Checker checkerFromCheckerOne : checker1.getCheckers()) {
    for (Checker checkerFromCheckerTwo : checker2.getCheckers()) {
      assertThat(checkerFromCheckerOne).isNotSameAs(checkerFromCheckerTwo);
    }
  }
}

@Test
public void canCreateWithLockCheckers() {
  JepsenHistoryChecker checker = JepsenHistoryCheckers.createWithLockCheckers();
  assertCheckerHasMatchingCheckers(JepsenHistoryCheckers.LOCK_CHECKERS, checker);
  assertThat(checker.getCheckers()).hasSize(JepsenHistoryCheckers.LOCK_CHECKERS.size());
}