public void testPoolLifecycle() throws Exception {
MuleDescriptor d = getTestDescriptor("orange", Orange.class.getName());
ObjectPool pool = createPool(d, FAIL_WHEN_EXHAUSTED);
assertNotNull(pool);
assertEquals(0, pool.getSize());
}
public void testBlockOnExhaust() throws Exception {
ObjectPool pool =
createPool(getTestDescriptor("orange", Orange.class.getName()), BLOCK_WHEN_EXHAUSTED);
Object borrowed = null;
assertEquals(0, pool.getSize());
borrowed = pool.borrowObject();
borrowed = pool.borrowObject();
assertEquals(2, pool.getSize());
// TODO
// long starttime = System.currentTimeMillis();
long borrowerWait = 500;
Borrower borrower = new Borrower(pool, borrowerWait);
borrower.start();
// Make sure the borrower borrows first
try {
Thread.sleep(200);
} catch (InterruptedException e) {
}
borrowed = pool.borrowObject();
// TODO
// long totalTime = System.currentTimeMillis() - starttime;
// Need to allow for alittle variance in system time
// This is unreliable
// assertTrue(totalTime < (borrowerWait + 300) && totalTime >
// (borrowerWait -300));
assertNotNull(borrowed);
}
/*
* (non-Javadoc)
*
* @see java.lang.Runnable#run()
*/
public void run() {
try {
Object object = pool.borrowObject();
try {
sleep(time);
} catch (InterruptedException e) {
// ignore
}
pool.returnObject(object);
} catch (Exception e) {
e.printStackTrace();
fail("Borrower thread failed");
}
}
public void testBlockExpiryOnExhaust() throws Exception {
ObjectPool pool =
createPool(getTestDescriptor("orange", Orange.class.getName()), BLOCK_WHEN_EXHAUSTED);
Object borrowed = null;
assertEquals(0, pool.getSize());
borrowed = pool.borrowObject();
assertNotNull(borrowed);
borrowed = pool.borrowObject();
assertNotNull(borrowed);
borrowed = pool.borrowObject();
assertNotNull(borrowed);
assertEquals(3, pool.getSize());
// TODO
// long starttime = System.currentTimeMillis();
try {
borrowed = pool.borrowObject();
fail("Should throw an Exception");
} catch (Exception e) {
// TODO
// long totalTime = System.currentTimeMillis() - starttime;
// Need to allow for alittle variance in system time
// This is unreliable
// assertTrue(totalTime < (DEFAULT_WAIT + 300) && totalTime >
// (DEFAULT_WAIT - 300));
}
}
public void testFailOnExhaust() throws Exception {
ObjectPool pool =
createPool(getTestDescriptor("orange", Orange.class.getName()), FAIL_WHEN_EXHAUSTED);
Object borrowed = null;
for (int i = 0; i < pool.getMaxSize(); i++) {
borrowed = pool.borrowObject();
assertNotNull(borrowed);
assertEquals(pool.getSize(), i + 1);
}
try {
borrowed = pool.borrowObject();
fail("Should throw an Exception");
} catch (Exception e) {
// expected
}
}
public void testClearPool() throws Exception {
ObjectPool pool =
createPool(getTestDescriptor("orange", Orange.class.getName()), FAIL_WHEN_EXHAUSTED);
Object borrowed = pool.borrowObject();
assertEquals(1, pool.getSize());
pool.returnObject(borrowed);
pool.clearPool();
assertEquals(0, pool.getSize());
borrowed = pool.borrowObject();
assertEquals(1, pool.getSize());
}
public void testCreatePool() throws Exception {
MuleDescriptor d = getTestDescriptor("orange", Orange.class.getName());
ObjectPool pool = createPool(d, FAIL_WHEN_EXHAUSTED);
assertNotNull(pool);
assertEquals(0, pool.getSize());
Object borrowed = pool.borrowObject();
assertNotNull(borrowed);
assertEquals(1, pool.getSize());
pool.returnObject(borrowed);
borrowed = pool.borrowObject();
assertNotNull(borrowed);
assertEquals(1, pool.getSize());
Object borrowed2 = pool.borrowObject();
assertNotNull(borrowed2);
assertEquals(2, pool.getSize());
}
public void testGrowOnExhaust() throws Exception {
ObjectPool pool =
createPool(getTestDescriptor("orange", Orange.class.getName()), GROW_WHEN_EXHAUSTED);
Object borrowed = pool.borrowObject();
borrowed = pool.borrowObject();
borrowed = pool.borrowObject();
assertEquals(3, pool.getSize());
assertEquals(3, pool.getMaxSize());
// Should now grow
borrowed = pool.borrowObject();
assertNotNull(borrowed);
assertEquals(4, pool.getSize());
}
