@Test
public void verifyTomcatServiceDeployed() {
Assert.assertNotNull(testManager);
service = (Service) testManager.waitForService("Tomcat");
Assert.assertNotNull(service);
Throwable thrown = null;
int maxWait = 20;
int wait = 0;
long t0 = System.currentTimeMillis();
boolean watchAttached = false;
while (wait < maxWait && !watchAttached) {
try {
for (WatchDataSource wds : service.fetch()) {
if (wds.getID().equals("Tomcat Thread Pool")) {
watchAttached = true;
break;
}
}
wait++;
Thread.sleep(500);
} catch (Exception e) {
e.printStackTrace();
thrown = e;
}
}
long t1 = System.currentTimeMillis();
System.out.println("Waited (" + (t1 - t0) / 1000 + ") seconds for Watch to be available");
Assert.assertTrue("The \"Tomcat Thread Pool\" watch attach was unsuccessful", watchAttached);
Assert.assertNull(thrown);
}
/**
* Runs scenario B.
*
* @throws Exception if the test fails
*/
@Test
public void testScenarioB() throws Exception {
logger.info("\n*******************\nRunning scenario B\n*******************");
Assert.assertNotNull(testManager);
testManager.startReggie();
// 0. N=max{4,number of test hosts}
// If there are more than 4 hosts participating in the test, we
// want to have as many iterations as hosts. Otherwise we want
// to have 4 iterations in order to have meaningful test.
final int N = Math.max(4, testManager.getHostList().size());
ServiceDiscoveryManager sdm = testManager.getServiceDiscoveryManager();
// 1. START PROVISION MONITOR
logger.info("Starting Provision Monitor ...");
// ProvisionMonitor pm = testManager.startProvisionMonitor(-1);
testManager.startProvisionMonitor(-1);
logger.info("Provision Monitor has been started");
ServiceMonitor<ProvisionMonitor> pmMon =
new ServiceMonitor<ProvisionMonitor>(sdm, ProvisionMonitor.class);
// 2. START CYBERNODE
logger.info("Starting Cybernode ...");
// Cybernode cybernode = testManager.startCybernode(-1);
testManager.startCybernode(-1);
logger.info("Cybernode has been started");
ServiceMonitor<Cybernode> cyMon = new ServiceMonitor<Cybernode>(sdm, Cybernode.class);
pmMon.waitFor(1);
cyMon.waitFor(1);
List<Cybernode> cybernodes = cyMon.getServices();
List<ProvisionMonitor> pms = pmMon.getServices();
Cybernode cybernode = cybernodes.get(0);
ProvisionMonitor pm = pms.get(0);
// 3. DEPLOY OPSTRING
testManager.deploy(new File("src/test/resources/opstring/simple_opstring.groovy"));
// 4. ASSERTION: ONE SERVICE INSTANCE SHOULD APPEAR
// TODO : port Dummy.class
ServiceMonitor<Simple> simpleMon = new ServiceMonitor<Simple>(sdm, Simple.class);
simpleMon.waitFor(1);
// 5. DO THE MAIN CYCLE
for (int i = 0; i < N; i++) {
// 6. START THE NEXT PROVISION MONITOR
logger.info("---> Starting the next Provision Monitor ...");
// ProvisionMonitor nextPM = testManager.startProvisionMonitor(-1);
testManager.startProvisionMonitor(-1);
logger.info("The next Provision Monitor has been started");
// 7. START THE NEXT CYBERNODE
logger.info("---> Starting the next Cybernode ...");
// Cybernode nextCybernode = testManager.startCybernode(-1);
testManager.startCybernode(-1);
logger.info("---> The next Cybernode has been started");
cyMon.waitFor(2);
pmMon.waitFor(2);
// 8. GIVE PROVISION MONITORS SOME TIME TO DISCOVER EACH OTHER
Thread.sleep(2000);
// 9. STOP THE PREVIOUS PROVISION MONTIOR
logger.info("Stopping the previous Provision Monitor ...");
testManager.stopProvisionMonitor(pm);
logger.info("The previous Provision Monitor has been stopped");
// 10. STOP THE PREVIOUS CYBERNODE
logger.info("Stopping the previous Cybernode ...");
testManager.stopCybernode(cybernode);
logger.info("The previous Cybernode has been stopped");
pmMon.waitFor(1);
cyMon.waitFor(1);
// 11. ASSERTION: THE SERVICE SHOULD BE PROVISIONED ONTO ANOTHER
// CYBERNODE
simpleMon.waitFor(1);
// cybernode = nextCybernode;
// pm = nextPM;
cybernodes = cyMon.getServices();
pms = pmMon.getServices();
cybernode = cybernodes.get(0);
pm = pms.get(0);
}
// 12. START ADDITIONAL CYBERNODE
logger.info("Starting additional Cybernode ...");
testManager.startCybernode(-1);
logger.info("Additional Cybernode has been started");
// 13. STOP THE LAST PROVISION MONITOR
logger.info("Stopping the last Provision Monitor ...");
testManager.stopProvisionMonitor(pm);
logger.info("The last Provision Monitor has been stopped");
cyMon.waitFor(2);
pmMon.waitFor(0);
// 14. STOP THE CYBERNODE RUNNING THE SERVICE
logger.info("Stopping the busy Cybernode ...");
testManager.stopCybernode(cybernode);
logger.info("The busy Cybernode has been stopped");
cyMon.waitFor(1);
// 15. ASSERTION: THE SERVICE SHOULD NOT APPEAR
// (BECAUSE THERE ARE NO MORE PROVISION MONITORS)
simpleMon.waitFor(0);
logger.info("\n*******************\nScenario B completed\n*******************");
}
/**
* Runs scenario A.
*
* @throws Exception if the test fails
*/
@Test
public void scenarioA() throws Exception {
logger.info("\n*******************\nRunning scenario A ...\n*******************");
Assert.assertNotNull(testManager);
testManager.startReggie();
// 0. N=max{4,number of test hosts}
// If there are more than 4 hosts participating in the test, we
// want to have one Cybernode and one Provision Monitor running
// on each host. Otherwise we want to have 4 Cybernodes and 4
// Provision Monitors (started in a round-robin fashion) in order
// to have meaningful test.
final int N = Math.max(4, testManager.getHostList().size());
// 1. START N CYBERNODES AND N PROVISION MONITORS IN A ROUND-ROBIN
// FASHION
logger.info(
"Starting ["
+ N
+ "] Cybernodes and "
+ "["
+ N
+ "] Provision Monitors "
+ "in a round-robin fashion ...");
for (int i = 0; i < N; i++) {
testManager.startProvisionMonitor(i);
testManager.startCybernode(i);
}
logger.info("[" + N + "] Cybernodes and " + "[" + N + "] Provision Monitors have been started");
ServiceDiscoveryManager sdm = testManager.getServiceDiscoveryManager();
ServiceMonitor<Cybernode> cyMon = new ServiceMonitor<Cybernode>(sdm, Cybernode.class);
ServiceMonitor<ProvisionMonitor> pmMon =
new ServiceMonitor<ProvisionMonitor>(sdm, ProvisionMonitor.class);
cyMon.waitFor(N);
pmMon.waitFor(N);
List<Cybernode> cybernodes = cyMon.getServices();
List<ProvisionMonitor> pms = pmMon.getServices();
Assert.assertEquals("Provision Monitor collection should have 4 entries", 4, pms.size());
Assert.assertEquals("Cybernode collection should have 4 entries", 4, cybernodes.size());
for (ProvisionMonitor pm : pms)
Assert.assertNotNull("Provision Monitor proxy should not be null", pm);
for (Cybernode cybernode : cybernodes)
Assert.assertNotNull("Cybernode proxy should not be null", cybernode);
// 2. DEPLOY OPSTRING
testManager.deploy(new File("src/test/resources/opstring/simple_opstring.groovy"), pms.get(0));
// 3. ASSERTION: ONE SERVICE INSTANCE SHOULD APPEAR
ServiceMonitor<Simple> simpleMon = new ServiceMonitor<Simple>(sdm, Simple.class);
simpleMon.waitFor(1);
// 4. DO THE MAIN CYCLE
for (int i = 0; i < N - 1; i++) {
try {
// 5. STOP PROVISION MONTIOR
logger.info("---> Stopping Provision Monitor [" + i + "] ...");
ProvisionMonitor pm = pms.get(i);
testManager.stopProvisionMonitor(pm);
// pms.remove(pm);
logger.info("Provision Monitor [" + i + "] has been stopped");
// 6. STOP CYBERNODE RUNNING THE SERVICE
logger.info("---> Stopping the busy Cybernode ...");
Cybernode cybernode = CybernodeUtils.findBusy(cybernodes);
testManager.stopCybernode(cybernode);
cybernodes.remove(cybernode);
logger.info("---> The busy Cybernode has been stopped");
pmMon.waitFor(N - 1 - i);
cyMon.waitFor(N - 1 - i);
// 7. ASSERTION: THE SERVICE SHOULD BE PROVISIONED ONTO ANOTHER
// CYBERNODE
simpleMon.waitFor(1);
} catch (Throwable t) {
t.printStackTrace();
}
}
// 8. START ADDITIONAL CYBERNODE
logger.info("Starting additional Cybernode ...");
cybernodes.add(testManager.startCybernode(0));
logger.info("Additional Cybernode has been started");
// 9. STOP THE LAST PROVISION MONITOR
logger.info("Stopping the last Provision Monitor ...");
testManager.stopService(pms.get(N - 1), "Monitor");
logger.info("The last Provision Monitor has been stopped");
cyMon.waitFor(2);
pmMon.waitFor(0);
// 10. STOP THE CYBERNODE RUNNING THE SERVICE
logger.info("Stopping the busy Cybernode ...");
testManager.stopCybernode(cybernodes.get(0));
logger.info("The busy Cybernode has been stopped");
cyMon.waitFor(1);
// 11. ASSERTION: THE SERVICE SHOULD NOT APPEAR
// (BECAUSE THERE ARE NO MORE PROVISION MONITORS)
simpleMon.waitFor(0);
// Cleanup
testManager.stopCybernode(cybernodes.get(1));
testManager.shutdown();
logger.info("\n*******************\nScenario A completed\n*******************");
}
@Before
public void getHandleToSpace() throws Exception {
space = (JavaSpace05) testManager.waitForService(JavaSpace05.class);
}