@Test
public void testRequestHandlerRegistry() {
SolrCore core = h.getCore();
EmptyRequestHandler handler1 = new EmptyRequestHandler();
EmptyRequestHandler handler2 = new EmptyRequestHandler();
String path = "/this/is A path /that won't be registered!";
SolrRequestHandler old = core.registerRequestHandler(path, handler1);
assertNull(old); // should not be anything...
assertEquals(core.getRequestHandlers().get(path), handler1);
old = core.registerRequestHandler(path, handler2);
assertEquals(old, handler1); // should pop out the old one
assertEquals(core.getRequestHandlers().get(path), handler2);
}
@Test
public void testRefCount() throws Exception {
SolrCore core = h.getCore();
assertTrue("Refcount != 1", core.getOpenCount() == 1);
final CoreContainer cores = h.getCoreContainer();
SolrCore c1 = cores.getCore(SolrTestCaseJ4.DEFAULT_TEST_CORENAME);
assertTrue("Refcount != 2", core.getOpenCount() == 2);
ClosingRequestHandler handler1 = new ClosingRequestHandler();
handler1.inform(core);
String path = "/this/is A path /that won't be registered!";
SolrRequestHandler old = core.registerRequestHandler(path, handler1);
assertNull(old); // should not be anything...
assertEquals(core.getRequestHandlers().get(path), handler1);
SolrCore c2 = cores.getCore(SolrTestCaseJ4.DEFAULT_TEST_CORENAME);
c1.close();
assertTrue("Refcount < 1", core.getOpenCount() >= 1);
assertTrue("Handler is closed", handler1.closed == false);
c1 = cores.getCore(SolrTestCaseJ4.DEFAULT_TEST_CORENAME);
assertTrue("Refcount < 2", core.getOpenCount() >= 2);
assertTrue("Handler is closed", handler1.closed == false);
c2.close();
assertTrue("Refcount < 1", core.getOpenCount() >= 1);
assertTrue("Handler is closed", handler1.closed == false);
c1.close();
cores.shutdown();
assertTrue("Refcount != 0", core.getOpenCount() == 0);
assertTrue("Handler not closed", core.isClosed() && handler1.closed == true);
}
@Test
public void testClose() throws Exception {
final CoreContainer cores = h.getCoreContainer();
SolrCore core = cores.getCore(SolrTestCaseJ4.DEFAULT_TEST_CORENAME);
ClosingRequestHandler handler1 = new ClosingRequestHandler();
handler1.inform(core);
String path = "/this/is A path /that won't be registered 2!!!!!!!!!!!";
SolrRequestHandler old = core.registerRequestHandler(path, handler1);
assertNull(old); // should not be anything...
assertEquals(core.getRequestHandlers().get(path), handler1);
core.close();
cores.shutdown();
assertTrue("Handler not closed", handler1.closed == true);
}
@Test
public void testRefCountMT() throws Exception {
SolrCore core = h.getCore();
assertTrue("Refcount != 1", core.getOpenCount() == 1);
final ClosingRequestHandler handler1 = new ClosingRequestHandler();
handler1.inform(core);
String path = "/this/is A path /that won't be registered!";
SolrRequestHandler old = core.registerRequestHandler(path, handler1);
assertNull(old); // should not be anything...
assertEquals(core.getRequestHandlers().get(path), handler1);
final int LOOP = 100;
final int MT = 16;
ExecutorService service =
ExecutorUtil.newMDCAwareFixedThreadPool(MT, new DefaultSolrThreadFactory("refCountMT"));
List<Callable<Integer>> callees = new ArrayList<>(MT);
final CoreContainer cores = h.getCoreContainer();
for (int i = 0; i < MT; ++i) {
Callable<Integer> call =
new Callable<Integer>() {
void yield(int n) {
try {
Thread.sleep(0, (n % 13 + 1) * 10);
} catch (InterruptedException xint) {
}
}
@Override
public Integer call() {
SolrCore core = null;
int r = 0;
try {
for (int l = 0; l < LOOP; ++l) {
r += 1;
core = cores.getCore(SolrTestCaseJ4.DEFAULT_TEST_CORENAME);
// sprinkle concurrency hinting...
yield(l);
assertTrue("Refcount < 1", core.getOpenCount() >= 1);
yield(l);
assertTrue("Refcount > 17", core.getOpenCount() <= 17);
yield(l);
assertTrue("Handler is closed", handler1.closed == false);
yield(l);
core.close();
core = null;
yield(l);
}
return r;
} finally {
if (core != null) core.close();
}
}
};
callees.add(call);
}
List<Future<Integer>> results = service.invokeAll(callees);
for (Future<Integer> result : results) {
assertTrue("loop=" + result.get() + " < " + LOOP, result.get() >= LOOP);
}
cores.shutdown();
assertTrue("Refcount != 0", core.getOpenCount() == 0);
assertTrue("Handler not closed", core.isClosed() && handler1.closed == true);
service.shutdown();
assertTrue("Running for too long...", service.awaitTermination(60, TimeUnit.SECONDS));
}
