public void TestKPOFInvalidateObjectUsages()
{
FailingKeyedPoolableObjectFactory factory = new FailingKeyedPoolableObjectFactory();
KeyedObjectPool <Object, Object> pool;
try
{
pool = MakeEmptyPool(factory);
}
catch (NotSupportedException)
{
return; // test not supported
}
List <MethodCall> expectedMethods = new ArrayList <MethodCall>();
Object obj;
// Test correct behavior code paths
obj = pool.BorrowObject(KEY);
Clear(factory, expectedMethods);
// invalidated object should be destroyed
pool.InvalidateObject(KEY, obj);
expectedMethods.Add(new MethodCall("destroyObject", KEY, obj));
Assert.AreEqual(expectedMethods, factory.MethodCalls);
// Test exception handling of InvalidateObject
Reset(pool, factory, expectedMethods);
obj = pool.BorrowObject(KEY);
Clear(factory, expectedMethods);
factory.DestroyObjectFail = true;
try
{
pool.InvalidateObject(KEY, obj);
Assert.Fail("Expecting destroy exception to propagate");
}
catch (MethodAccessException)
{
// Expected
}
Thread.Sleep(250);
TestObjectPool.RemoveDestroyObjectCall(factory.MethodCalls);
Assert.AreEqual(expectedMethods, factory.MethodCalls);
}
public void TestKPOFReturnObjectUsages()
{
FailingKeyedPoolableObjectFactory factory = new FailingKeyedPoolableObjectFactory();
KeyedObjectPool <Object, Object> pool;
try
{
pool = MakeEmptyPool(factory);
}
catch (NotSupportedException)
{
return; // test not supported
}
List <MethodCall> expectedMethods = new ArrayList <MethodCall>();
Object obj;
// Test correct behavior code paths
obj = pool.BorrowObject(KEY);
Clear(factory, expectedMethods);
// returned object should be passivated
pool.ReturnObject(KEY, obj);
expectedMethods.Add(new MethodCall("passivateObject", KEY, obj));
Assert.AreEqual(expectedMethods, factory.MethodCalls);
// Test exception handling of ReturnObject
Reset(pool, factory, expectedMethods);
// passivateObject should swallow exceptions and not add the object to the pool
pool.AddObject(KEY);
pool.AddObject(KEY);
pool.AddObject(KEY);
Assert.AreEqual(3, pool.KeyedIdleCount(KEY));
obj = pool.BorrowObject(KEY);
obj = pool.BorrowObject(KEY);
Assert.AreEqual(1, pool.KeyedIdleCount(KEY));
Assert.AreEqual(2, pool.KeyedActiveCount(KEY));
Clear(factory, expectedMethods);
factory.SuspendObjectFail = true;
pool.ReturnObject(KEY, obj);
expectedMethods.Add(new MethodCall("passivateObject", KEY, obj));
TestObjectPool.RemoveDestroyObjectCall(factory.MethodCalls); // The exact timing of destroyObject is flexible here.
Assert.AreEqual(expectedMethods, factory.MethodCalls);
Assert.AreEqual(1, pool.KeyedIdleCount(KEY)); // Not added
Assert.AreEqual(1, pool.KeyedActiveCount(KEY)); // But not active
Reset(pool, factory, expectedMethods);
obj = pool.BorrowObject(KEY);
Clear(factory, expectedMethods);
factory.SuspendObjectFail = true;
factory.DestroyObjectFail = true;
try
{
pool.ReturnObject(KEY, obj);
if (!(pool is GenericKeyedObjectPool <Object, Object>))
{
Assert.Fail("Expecting DestroyObject exception to be propagated");
}
}
catch (MethodAccessException)
{
// Expected
}
}
public void TestKPOFBorrowObjectUsages()
{
FailingKeyedPoolableObjectFactory factory = new FailingKeyedPoolableObjectFactory();
KeyedObjectPool <Object, Object> pool;
try
{
pool = MakeEmptyPool(factory);
}
catch (NotSupportedException)
{
return; // test not supported
}
List <MethodCall> expectedMethods = new ArrayList <MethodCall>();
Object obj;
if (pool is GenericKeyedObjectPool <Object, Object> )
{
((GenericKeyedObjectPool <Object, Object>)pool).TestOnBorrow = true;
}
// Test correct behavior code paths
// existing idle object should be activated and validated
pool.AddObject(KEY);
Clear(factory, expectedMethods);
obj = pool.BorrowObject(KEY);
expectedMethods.Add(new MethodCall("activateObject", KEY, ZERO));
expectedMethods.Add(new MethodCall("validateObject", KEY, ZERO).SetReturned(true));
Assert.AreEqual(expectedMethods, factory.MethodCalls);
pool.ReturnObject(KEY, obj);
// Test exception handling of BorrowObject
Reset(pool, factory, expectedMethods);
// makeObject Exceptions should be propagated to client code from BorrowObject
factory.CreateObjectFail = true;
try
{
obj = pool.BorrowObject(KEY);
Assert.Fail("Expected BorrowObject to propagate makeObject exception.");
}
catch (MethodAccessException)
{
// expected
}
expectedMethods.Add(new MethodCall("makeObject", KEY));
Assert.AreEqual(expectedMethods, factory.MethodCalls);
// when activateObject fails in BorrowObject, a new object should be borrowed/created
Reset(pool, factory, expectedMethods);
pool.AddObject(KEY);
Clear(factory, expectedMethods);
factory.ActivateObjectFail = true;
expectedMethods.Add(new MethodCall("activateObject", KEY, obj));
try
{
obj = pool.BorrowObject(KEY);
Assert.Fail("Expecting NoSuchElementException");
}
catch (NoSuchElementException)
{
//Activate should fail
}
// After idle object fails validation, new on is created and activation
// fails again for the new one.
expectedMethods.Add(new MethodCall("makeObject", KEY).SetReturned(ONE));
expectedMethods.Add(new MethodCall("activateObject", KEY, ONE));
TestObjectPool.RemoveDestroyObjectCall(factory.MethodCalls); // The exact timing of destroyObject is flexible here.
Assert.AreEqual(expectedMethods, factory.MethodCalls);
// when validateObject fails in BorrowObject, a new object should be borrowed/created
Reset(pool, factory, expectedMethods);
pool.AddObject(KEY);
Clear(factory, expectedMethods);
factory.ValidateObjectFail = true;
// testOnBorrow is on, so this will throw when the newly created instance
// fails validation
try
{
obj = pool.BorrowObject(KEY);
Assert.Fail("Expecting NoSuchElementException");
}
catch (NoSuchElementException)
{
// expected
}
// Activate, then validate for idle instance
expectedMethods.Add(new MethodCall("activateObject", KEY, ZERO));
expectedMethods.Add(new MethodCall("validateObject", KEY, ZERO));
// Make new instance, activate succeeds, validate fails
expectedMethods.Add(new MethodCall("makeObject", KEY).SetReturned(ONE));
expectedMethods.Add(new MethodCall("activateObject", KEY, ONE));
expectedMethods.Add(new MethodCall("validateObject", KEY, ONE));
TestObjectPool.RemoveDestroyObjectCall(factory.MethodCalls);
Assert.AreEqual(expectedMethods, factory.MethodCalls);
}