| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.qpid.server.model.testmodels.lifecycle; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import com.google.common.util.concurrent.ListenableFuture; |
| |
| import org.apache.qpid.server.configuration.IllegalConfigurationException; |
| import org.apache.qpid.server.model.ConfiguredObject; |
| import org.apache.qpid.server.model.Exchange; |
| import org.apache.qpid.server.model.IllegalStateTransitionException; |
| import org.apache.qpid.server.model.NoopConfigurationChangeListener; |
| import org.apache.qpid.server.model.Port; |
| import org.apache.qpid.server.model.State; |
| import org.apache.qpid.test.utils.QpidTestCase; |
| |
| public class AbstractConfiguredObjectTest extends QpidTestCase |
| { |
| |
| public void testOpeningResultsInErroredStateWhenResolutionFails() throws Exception |
| { |
| TestConfiguredObject object = new TestConfiguredObject(getName()); |
| object.setThrowExceptionOnPostResolve(true); |
| object.open(); |
| assertFalse("Unexpected opened", object.isOpened()); |
| assertEquals("Unexpected state", State.ERRORED, object.getState()); |
| |
| object.setThrowExceptionOnPostResolve(false); |
| object.setAttributes(Collections.<String, Object>singletonMap(Port.DESIRED_STATE, State.ACTIVE)); |
| assertTrue("Unexpected opened", object.isOpened()); |
| assertEquals("Unexpected state", State.ACTIVE, object.getState()); |
| } |
| |
| public void testOpeningInERROREDStateAfterFailedOpenOnDesiredStateChangeToActive() throws Exception |
| { |
| TestConfiguredObject object = new TestConfiguredObject(getName()); |
| object.setThrowExceptionOnOpen(true); |
| object.open(); |
| assertFalse("Unexpected opened", object.isOpened()); |
| assertEquals("Unexpected state", State.ERRORED, object.getState()); |
| |
| object.setThrowExceptionOnOpen(false); |
| object.setAttributes(Collections.<String, Object>singletonMap(Port.DESIRED_STATE, State.ACTIVE)); |
| assertTrue("Unexpected opened", object.isOpened()); |
| assertEquals("Unexpected state", State.ACTIVE, object.getState()); |
| } |
| |
| public void testOpeningInERROREDStateAfterFailedOpenOnStart() throws Exception |
| { |
| TestConfiguredObject object = new TestConfiguredObject(getName()); |
| object.setThrowExceptionOnOpen(true); |
| object.open(); |
| assertFalse("Unexpected opened", object.isOpened()); |
| assertEquals("Unexpected state", State.ERRORED, object.getState()); |
| |
| object.setThrowExceptionOnOpen(false); |
| object.start(); |
| assertTrue("Unexpected opened", object.isOpened()); |
| assertEquals("Unexpected state", State.ACTIVE, object.getState()); |
| } |
| |
| public void testDeletionERROREDStateAfterFailedOpenOnDelete() throws Exception |
| { |
| TestConfiguredObject object = new TestConfiguredObject(getName()); |
| object.setThrowExceptionOnOpen(true); |
| object.open(); |
| assertFalse("Unexpected opened", object.isOpened()); |
| assertEquals("Unexpected state", State.ERRORED, object.getState()); |
| |
| object.delete(); |
| assertFalse("Unexpected opened", object.isOpened()); |
| assertEquals("Unexpected state", State.DELETED, object.getState()); |
| } |
| |
| public void testDeletionInERROREDStateAfterFailedOpenOnDesiredStateChangeToDelete() throws Exception |
| { |
| TestConfiguredObject object = new TestConfiguredObject(getName()); |
| object.setThrowExceptionOnOpen(true); |
| object.open(); |
| assertFalse("Unexpected opened", object.isOpened()); |
| assertEquals("Unexpected state", State.ERRORED, object.getState()); |
| |
| object.setAttributes(Collections.<String, Object>singletonMap(Port.DESIRED_STATE, State.DELETED)); |
| assertFalse("Unexpected opened", object.isOpened()); |
| assertEquals("Unexpected state", State.DELETED, object.getState()); |
| } |
| |
| |
| public void testCreationWithExceptionThrownFromValidationOnCreate() throws Exception |
| { |
| TestConfiguredObject object = new TestConfiguredObject(getName()); |
| object.setThrowExceptionOnValidationOnCreate(true); |
| try |
| { |
| object.create(); |
| fail("IllegalConfigurationException is expected to be thrown"); |
| } |
| catch(IllegalConfigurationException e) |
| { |
| //pass |
| } |
| assertFalse("Unexpected opened", object.isOpened()); |
| } |
| |
| public void testCreationWithoutExceptionThrownFromValidationOnCreate() throws Exception |
| { |
| TestConfiguredObject object = new TestConfiguredObject(getName()); |
| object.setThrowExceptionOnValidationOnCreate(false); |
| object.create(); |
| assertTrue("Unexpected opened", object.isOpened()); |
| assertEquals("Unexpected state", State.ACTIVE, object.getState()); |
| } |
| |
| public void testCreationWithExceptionThrownFromOnOpen() throws Exception |
| { |
| TestConfiguredObject object = new TestConfiguredObject(getName()); |
| object.setThrowExceptionOnOpen(true); |
| try |
| { |
| object.create(); |
| fail("Exception should have been re-thrown"); |
| } |
| catch (RuntimeException re) |
| { |
| // pass |
| } |
| |
| assertFalse("Unexpected opened", object.isOpened()); |
| assertEquals("Unexpected state", State.DELETED, object.getState()); |
| } |
| |
| public void testCreationWithExceptionThrownFromOnCreate() throws Exception |
| { |
| TestConfiguredObject object = new TestConfiguredObject(getName()); |
| object.setThrowExceptionOnCreate(true); |
| try |
| { |
| object.create(); |
| fail("Exception should have been re-thrown"); |
| } |
| catch (RuntimeException re) |
| { |
| // pass |
| } |
| |
| assertFalse("Unexpected opened", object.isOpened()); |
| assertEquals("Unexpected state", State.DELETED, object.getState()); |
| } |
| |
| public void testUnresolvedChildInERROREDStateIsNotValidatedOrOpenedOrAttainedDesiredStateOnParentOpen() throws Exception |
| { |
| TestConfiguredObject parent = new TestConfiguredObject("parent"); |
| TestConfiguredObject child1 = new TestConfiguredObject("child1", parent, parent.getTaskExecutor()); |
| child1.registerWithParents(); |
| TestConfiguredObject child2 = new TestConfiguredObject("child2", parent, parent.getTaskExecutor()); |
| child2.registerWithParents(); |
| |
| child1.setThrowExceptionOnPostResolve(true); |
| |
| parent.open(); |
| |
| assertTrue("Parent should be resolved", parent.isResolved()); |
| assertTrue("Parent should be validated", parent.isValidated()); |
| assertTrue("Parent should be opened", parent.isOpened()); |
| assertEquals("Unexpected parent state", State.ACTIVE, parent.getState()); |
| |
| assertTrue("Child2 should be resolved", child2.isResolved()); |
| assertTrue("Child2 should be validated", child2.isValidated()); |
| assertTrue("Child2 should be opened", child2.isOpened()); |
| assertEquals("Unexpected child2 state", State.ACTIVE, child2.getState()); |
| |
| assertFalse("Child2 should not be resolved", child1.isResolved()); |
| assertFalse("Child1 should not be validated", child1.isValidated()); |
| assertFalse("Child1 should not be opened", child1.isOpened()); |
| assertEquals("Unexpected child1 state", State.ERRORED, child1.getState()); |
| } |
| |
| public void testUnvalidatedChildInERROREDStateIsNotOpenedOrAttainedDesiredStateOnParentOpen() throws Exception |
| { |
| TestConfiguredObject parent = new TestConfiguredObject("parent"); |
| TestConfiguredObject child1 = new TestConfiguredObject("child1", parent, parent.getTaskExecutor()); |
| child1.registerWithParents(); |
| TestConfiguredObject child2 = new TestConfiguredObject("child2", parent, parent.getTaskExecutor()); |
| child2.registerWithParents(); |
| |
| child1.setThrowExceptionOnValidate(true); |
| |
| parent.open(); |
| |
| assertTrue("Parent should be resolved", parent.isResolved()); |
| assertTrue("Parent should be validated", parent.isValidated()); |
| assertTrue("Parent should be opened", parent.isOpened()); |
| assertEquals("Unexpected parent state", State.ACTIVE, parent.getState()); |
| |
| assertTrue("Child2 should be resolved", child2.isResolved()); |
| assertTrue("Child2 should be validated", child2.isValidated()); |
| assertTrue("Child2 should be opened", child2.isOpened()); |
| assertEquals("Unexpected child2 state", State.ACTIVE, child2.getState()); |
| |
| assertTrue("Child1 should be resolved", child1.isResolved()); |
| assertFalse("Child1 should not be validated", child1.isValidated()); |
| assertFalse("Child1 should not be opened", child1.isOpened()); |
| assertEquals("Unexpected child1 state", State.ERRORED, child1.getState()); |
| } |
| |
| public void testSuccessfulStateTransitionInvokesListener() throws Exception |
| { |
| TestConfiguredObject parent = new TestConfiguredObject("parent"); |
| parent.create(); |
| |
| final AtomicReference<State> newState = new AtomicReference<>(); |
| final AtomicInteger callCounter = new AtomicInteger(); |
| parent.addChangeListener(new NoopConfigurationChangeListener() |
| { |
| @Override |
| public void stateChanged(final ConfiguredObject<?> object, final State old, final State state) |
| { |
| super.stateChanged(object, old, state); |
| callCounter.incrementAndGet(); |
| newState.set(state); |
| } |
| }); |
| |
| parent.delete(); |
| assertEquals(State.DELETED, newState.get()); |
| assertEquals(1, callCounter.get()); |
| } |
| |
| public void testUnsuccessfulStateTransitionDoesNotInvokesListener() throws Exception |
| { |
| final IllegalStateTransitionException expectedException = |
| new IllegalStateTransitionException("This test fails the state transition."); |
| TestConfiguredObject parent = new TestConfiguredObject("parent") |
| { |
| @Override |
| protected ListenableFuture<Void> doDelete() |
| { |
| throw expectedException; |
| } |
| }; |
| parent.create(); |
| |
| final AtomicInteger callCounter = new AtomicInteger(); |
| parent.addChangeListener(new NoopConfigurationChangeListener() |
| { |
| @Override |
| public void stateChanged(final ConfiguredObject<?> object, final State old, final State state) |
| { |
| super.stateChanged(object, old, state); |
| callCounter.incrementAndGet(); |
| } |
| |
| @Override |
| public void attributeSet(ConfiguredObject<?> object, String attributeName, Object oldAttributeValue, Object newAttributeValue) |
| { |
| super.attributeSet(object, attributeName, oldAttributeValue, newAttributeValue); |
| callCounter.incrementAndGet(); |
| } |
| }); |
| |
| try |
| { |
| parent.delete(); |
| fail("Exception not thrown."); |
| } |
| catch (RuntimeException e) |
| { |
| assertSame("State transition threw unexpected exception.", expectedException, e); |
| } |
| assertEquals(0, callCounter.get()); |
| assertEquals(State.ACTIVE, parent.getDesiredState()); |
| assertEquals(State.ACTIVE, parent.getState()); |
| } |
| |
| |
| public void testSuccessfulDeletion() throws Exception |
| { |
| TestConfiguredObject configuredObject = new TestConfiguredObject("configuredObject"); |
| configuredObject.create(); |
| |
| final List<ChangeEvent> events = new ArrayList<>(); |
| configuredObject.addChangeListener(new NoopConfigurationChangeListener() |
| { |
| @Override |
| public void attributeSet(ConfiguredObject<?> object, String attributeName, Object oldAttributeValue, Object newAttributeValue) |
| { |
| events.add(new ChangeEvent(EventType.ATTRIBUTE_SET, object, attributeName, oldAttributeValue, newAttributeValue)); |
| } |
| |
| @Override |
| public void stateChanged(ConfiguredObject<?> object, State oldState, State newState) |
| { |
| events.add(new ChangeEvent(EventType.STATE_CHANGED, object, ConfiguredObject.DESIRED_STATE, oldState, newState)); |
| } |
| }); |
| |
| configuredObject.delete(); |
| assertEquals(2, events.size()); |
| assertEquals(State.DELETED, configuredObject.getDesiredState()); |
| assertEquals(State.DELETED, configuredObject.getState()); |
| |
| assertEquals("Unexpected events number", 2, events.size()); |
| ChangeEvent event0 = events.get(0); |
| ChangeEvent event1 = events.get(1); |
| |
| assertEquals("Unexpected first event: " + event0, |
| new ChangeEvent(EventType.STATE_CHANGED, configuredObject, Exchange.DESIRED_STATE, State.ACTIVE, State.DELETED), event0 ); |
| assertEquals("Unexpected second event: " + event1, |
| new ChangeEvent(EventType.ATTRIBUTE_SET, configuredObject, Exchange.DESIRED_STATE, State.ACTIVE, State.DELETED), event1 ); |
| } |
| |
| private enum EventType |
| { |
| ATTRIBUTE_SET, |
| STATE_CHANGED |
| } |
| |
| private class ChangeEvent |
| { |
| private final ConfiguredObject<?> _source; |
| private final String _attributeName; |
| private final Object _oldValue; |
| private final Object _newValue; |
| private final EventType _eventType; |
| |
| public ChangeEvent(EventType eventType, ConfiguredObject<?> source, String attributeName, Object oldValue, Object newValue) |
| { |
| _source = source; |
| _attributeName = attributeName; |
| _oldValue = oldValue; |
| _newValue = newValue; |
| _eventType = eventType; |
| } |
| |
| @Override |
| public boolean equals(Object o) |
| { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| ChangeEvent that = (ChangeEvent) o; |
| |
| return (_source != null ? _source.equals(that._source) : that._source == null) |
| && (_attributeName != null ? _attributeName.equals(that._attributeName) : that._attributeName == null) |
| && (_oldValue != null ? _oldValue.equals(that._oldValue) : that._oldValue == null) |
| && (_newValue != null ? _newValue.equals(that._newValue) : that._newValue == null) |
| && _eventType == that._eventType; |
| |
| } |
| |
| @Override |
| public String toString() |
| { |
| return "ChangeEvent{" + |
| "_source=" + _source + |
| ", _attributeName='" + _attributeName + '\'' + |
| ", _oldValue=" + _oldValue + |
| ", _newValue=" + _newValue + |
| ", _eventType=" + _eventType + |
| '}'; |
| } |
| } |
| } |