public void testCreate() throws Exception {
ZkRing ring = ZkRing.create(getZk(), coordinator, ring_group_root, 1, null, 1);
assertEquals("ring number", 1, ring.getRingNumber());
assertNull("version number", ring.getCurrentVersionNumber());
assertEquals("updating to version", Integer.valueOf(1), ring.getUpdatingToVersionNumber());
assertEquals("number of hosts", 0, ring.getHosts().size());
assertEquals("initial state", RingState.CLOSED, ring.getState());
ring.close();
}
public void testUpdatingSemantics() throws Exception {
ZkRing ring = ZkRing.create(getZk(), coordinator, ring_group_root, 1, null, 1);
assertTrue("should be updating", Rings.isUpdatePending(ring));
assertNull("current version", ring.getCurrentVersionNumber());
assertEquals(
"updating_to_version number", Integer.valueOf(1), ring.getUpdatingToVersionNumber());
ring.markUpdateComplete();
assertFalse("updating", Rings.isUpdatePending(ring));
assertEquals("current version", Integer.valueOf(1), ring.getCurrentVersionNumber());
assertNull("updating to version", ring.getUpdatingToVersionNumber());
ring.setUpdatingToVersion(7);
assertTrue("should be updating", Rings.isUpdatePending(ring));
assertEquals("current version", Integer.valueOf(1), ring.getCurrentVersionNumber());
assertEquals(
"updating_to_version number", Integer.valueOf(7), ring.getUpdatingToVersionNumber());
ring.close();
}