@Test
public void testSortingOfAll() throws UnknownHostException {
ClusterDescription description =
new ClusterDescription(
Multiple,
Unknown,
Arrays.asList(
ServerDescription.builder()
.state(Connecting)
.address(new ServerAddress("loc:27019"))
.build(),
ServerDescription.builder()
.state(Connecting)
.address(new ServerAddress("loc:27018"))
.build(),
ServerDescription.builder()
.state(Connecting)
.address(new ServerAddress("loc:27017"))
.build()));
Iterator<ServerDescription> iter = description.getAll().iterator();
assertEquals(new ServerAddress("loc:27017"), iter.next().getAddress());
assertEquals(new ServerAddress("loc:27018"), iter.next().getAddress());
assertEquals(new ServerAddress("loc:27019"), iter.next().getAddress());
}
@Override
public List<ServerDescription> choose(final ClusterDescription clusterDescription) {
return getServersWithAcceptableLatencyDifference(
clusterDescription.getAll(), getBestPingTimeNanos(clusterDescription.getAll()));
}
@Test
public void testEmptySet() {
ClusterDescription description =
new ClusterDescription(Multiple, Unknown, Collections.<ServerDescription>emptyList());
assertTrue(description.getAll().isEmpty());
}