@Test
public void testForBottomRankedUser() {
List<Entry> found = underTest.aroundMe(leaderboardName, LOWEST_RANKED_USER);
assertEquals("Should have the full page size of users", underTest.getPageSize(), found.size());
Entry last = found.get(found.size() - 1);
assertEquals("User_99 should be the first entry", last.getUserId(), LOWEST_RANKED_USER);
testEntriesAreOrdered(found);
testEntriesAreCorrect(found, underTest.isUseZeroIndexForRank());
}
@Test
public void testAroundMeHappyPath() {
List<Entry> found = underTest.aroundMe(leaderboardName, MID_RANKED_USER);
Assert.assertNotNull("Should have returned a list of users", found);
assertEquals("Should have the full page size of users", underTest.getPageSize(), found.size());
Entry middleEntry = found.get(found.size() / 2);
assertEquals("User_50 should be the first entry", middleEntry.getUserId(), MID_RANKED_USER);
testEntriesAreOrdered(found);
testEntriesAreCorrect(found, underTest.isUseZeroIndexForRank());
}
@Test
public void testZeroBasedIndex() {
underTest.setUseZeroIndexForRank(true);
assertTrue("Zero index for rank has been enabled", underTest.isUseZeroIndexForRank());
List<Entry> found = underTest.aroundMe(leaderboardName, HIGHEST_RANKED_USER);
assertEquals("Should have the full page size of users", underTest.getPageSize(), found.size());
Entry first = found.get(0);
assertEquals("First user should have a rank of 0", new Long(0), first.getRank());
testEntriesAreOrdered(found);
testEntriesAreCorrect(found, underTest.isUseZeroIndexForRank());
}
@Test
public void testWhenPageSizeChanged() {
int newPageSize = PipelinedLeaderboard.DEFAULT_PAGE_SIZE / 2;
assertNotSame(newPageSize, PipelinedLeaderboard.DEFAULT_PAGE_SIZE);
underTest.setPageSize(newPageSize);
List<Entry> found = underTest.aroundMe(leaderboardName, MID_RANKED_USER);
Assert.assertNotNull("Should have returned a list of users", found);
assertEquals("Should have the modified page size of users", newPageSize, found.size());
testEntriesAreOrdered(found);
testEntriesAreCorrect(found, underTest.isUseZeroIndexForRank());
}