/** Scenario: loads on one label shouldn't translate to load on another label. */
public void testLabels() throws Exception {
BulkChange bc = new BulkChange(hudson);
try {
DummyCloudImpl cloud = initHudson(0);
Label blue = hudson.getLabel("blue");
Label red = hudson.getLabel("red");
cloud.label = red;
// red jobs
List<FreeStyleProject> redJobs = create5SlowJobs(new Latch(5));
for (FreeStyleProject p : redJobs) p.setAssignedLabel(red);
// blue jobs
List<FreeStyleProject> blueJobs = create5SlowJobs(new Latch(5));
for (FreeStyleProject p : blueJobs) p.setAssignedLabel(blue);
// build all
List<Future<FreeStyleBuild>> blueBuilds = buildAll(blueJobs);
verifySuccessfulCompletion(buildAll(redJobs));
// cloud should only give us 5 nodes for 5 red jobs
assertEquals(5, cloud.numProvisioned);
// and all blue jobs should be still stuck in the queue
for (Future<FreeStyleBuild> bb : blueBuilds) assertFalse(bb.isDone());
} finally {
bc.abort();
}
}
/** Scenario: we got a lot of jobs all of the sudden, and we need to fire up a few nodes. */
public void testLoadSpike() throws Exception {
BulkChange bc = new BulkChange(hudson);
try {
DummyCloudImpl cloud = initHudson(0);
verifySuccessfulCompletion(buildAll(create5SlowJobs(new Latch(5))));
// the time it takes to complete a job is eternally long compared to the time it takes to
// launch
// a new slave, so in this scenario we end up allocating 5 slaves for 5 jobs.
assertEquals(5, cloud.numProvisioned);
} finally {
bc.abort();
}
}
/** Scenario: schedule a build and see if one slave is provisioned. */
public void testAutoProvision() throws Exception {
BulkChange bc = new BulkChange(hudson);
try {
DummyCloudImpl cloud = initHudson(10);
FreeStyleProject p = createJob(new SleepBuilder(10));
Future<FreeStyleBuild> f = p.scheduleBuild2(0);
f.get(30, TimeUnit.SECONDS); // if it's taking too long, abort.
// since there's only one job, we expect there to be just one slave
assertEquals(1, cloud.numProvisioned);
} finally {
bc.abort();
}
}
/** Scenario: make sure we take advantage of statically configured slaves. */
public void testBaselineSlaveUsage() throws Exception {
BulkChange bc = new BulkChange(hudson);
try {
DummyCloudImpl cloud = initHudson(0);
// add slaves statically upfront
createSlave().toComputer().connect(false).get();
createSlave().toComputer().connect(false).get();
verifySuccessfulCompletion(buildAll(create5SlowJobs(new Latch(5))));
// we should have used two static slaves, thus only 3 slaves should have been provisioned
assertEquals(3, cloud.numProvisioned);
} finally {
bc.abort();
}
}