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package org.apache.qpid.server.model;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.io.File;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import org.apache.qpid.server.BrokerOptions;
import org.apache.qpid.server.configuration.ConfigurationEntry;
import org.apache.qpid.server.configuration.ConfigurationEntryStore;
import org.apache.qpid.server.configuration.ConfiguredObjectRecoverer;
import org.apache.qpid.server.configuration.RecovererProvider;
import org.apache.qpid.server.configuration.startup.DefaultRecovererProvider;
import org.apache.qpid.server.configuration.updater.TaskExecutor;
import org.apache.qpid.server.security.auth.manager.AnonymousAuthenticationManagerFactory;
import org.apache.qpid.server.security.group.FileGroupManagerFactory;
import org.apache.qpid.server.stats.StatisticsGatherer;
import org.apache.qpid.server.util.BrokerTestHelper;
import org.apache.qpid.test.utils.QpidTestCase;
public class ConfiguredObjectStateTransitionTest extends QpidTestCase
{
private Broker _broker;
private RecovererProvider _recovererProvider;
private ConfigurationEntryStore _store;
private File _resourceToDelete;
@Override
public void setUp() throws Exception
{
super.setUp();
BrokerTestHelper.setUp();
_broker = BrokerTestHelper.createBrokerMock();
StatisticsGatherer statisticsGatherer = mock(StatisticsGatherer.class);
TaskExecutor executor = mock(TaskExecutor.class);
when(executor.isTaskExecutorThread()).thenReturn(true);
when(_broker.getTaskExecutor()).thenReturn(executor);
_recovererProvider = new DefaultRecovererProvider(statisticsGatherer, _broker.getVirtualHostRegistry(),
_broker.getLogRecorder(), _broker.getRootMessageLogger(), executor, new BrokerOptions());
_store = mock(ConfigurationEntryStore.class);
_resourceToDelete = new File(TMP_FOLDER, getTestName());
}
@Override
public void tearDown() throws Exception
{
try
{
BrokerTestHelper.tearDown();
if (_resourceToDelete.exists())
{
_resourceToDelete.delete();
}
}
finally
{
super.tearDown();
}
}
public void testGroupProviderValidStateTransitions() throws Exception
{
ConfigurationEntry providerEntry = getGroupProviderConfigurationEntry();
ConfiguredObject provider = createConfiguredObject(providerEntry);
provider.setDesiredState(State.INITIALISING, State.QUIESCED);
assertValidStateTransition(provider, State.QUIESCED, State.STOPPED);
provider = createConfiguredObject(providerEntry);
assertValidStateTransition(provider, State.INITIALISING, State.DELETED);
providerEntry = getGroupProviderConfigurationEntry();
provider = createConfiguredObject(providerEntry);
provider.setDesiredState(State.INITIALISING, State.QUIESCED);
assertValidStateTransition(provider, State.QUIESCED, State.DELETED);
providerEntry = getGroupProviderConfigurationEntry();
provider = createConfiguredObject(providerEntry);
provider.setDesiredState(State.INITIALISING, State.ACTIVE);
assertValidStateTransition(provider, State.ACTIVE, State.DELETED);
}
public void testGroupProviderInvalidStateTransitions() throws Exception
{
ConfigurationEntry providerEntry = getGroupProviderConfigurationEntry();
assertAllInvalidStateTransitions(providerEntry);
}
public void testAuthenticationProviderValidStateTransitions()
{
ConfigurationEntry providerEntry = getAuthenticationProviderConfigurationEntry();
assertAllValidStateTransitions(providerEntry);
}
public void testAuthenticationProviderInvalidStateTransitions()
{
ConfigurationEntry providerEntry = getAuthenticationProviderConfigurationEntry();
assertAllInvalidStateTransitions(providerEntry);
}
public void testPortValidStateTransitions()
{
ConfigurationEntry providerEntry = getPortConfigurationEntry();
assertAllValidStateTransitions(providerEntry);
}
public void testPortInvalidStateTransitions()
{
ConfigurationEntry providerEntry = getPortConfigurationEntry();
assertAllInvalidStateTransitions(providerEntry);
}
private void assertAllInvalidStateTransitions(ConfigurationEntry providerEntry)
{
ConfiguredObject provider = createConfiguredObject(providerEntry);
assertInvalidStateTransition(provider, State.INITIALISING, State.REPLICA);
provider.setDesiredState(State.INITIALISING, State.QUIESCED);
assertInvalidStateTransition(provider, State.QUIESCED, State.INITIALISING);
provider.setDesiredState(State.QUIESCED, State.ACTIVE);
assertInvalidStateTransition(provider, State.ACTIVE, State.INITIALISING);
provider.setDesiredState(State.ACTIVE, State.DELETED);
assertInvalidStateTransition(provider, State.DELETED, State.INITIALISING);
assertInvalidStateTransition(provider, State.DELETED, State.QUIESCED);
assertInvalidStateTransition(provider, State.DELETED, State.ACTIVE);
assertInvalidStateTransition(provider, State.DELETED, State.REPLICA);
assertInvalidStateTransition(provider, State.DELETED, State.ERRORED);
}
private void assertAllValidStateTransitions(ConfigurationEntry providerEntry)
{
ConfiguredObject provider = createConfiguredObject(providerEntry);
assertNormalStateTransition(provider);
provider = createConfiguredObject(providerEntry);
provider.setDesiredState(State.INITIALISING, State.QUIESCED);
assertValidStateTransition(provider, State.QUIESCED, State.STOPPED);
provider = createConfiguredObject(providerEntry);
assertValidStateTransition(provider, State.INITIALISING, State.DELETED);
provider = createConfiguredObject(providerEntry);
provider.setDesiredState(State.INITIALISING, State.QUIESCED);
assertValidStateTransition(provider, State.QUIESCED, State.DELETED);
provider = createConfiguredObject(providerEntry);
provider.setDesiredState(State.INITIALISING, State.ACTIVE);
assertValidStateTransition(provider, State.ACTIVE, State.DELETED);
}
private void assertInvalidStateTransition(ConfiguredObject object, State initialState, State... invalidStates)
{
assertEquals("Unepxceted state", initialState, object.getActualState());
for (State state : invalidStates)
{
try
{
object.setDesiredState(initialState, state);
}
catch (IllegalStateException e)
{
// expected
}
assertEquals("Transition from state " + initialState + " into state " + state + " did occur", initialState,
object.getActualState());
}
}
private void assertValidStateTransition(ConfiguredObject object, State initialState, State... validStateSequence)
{
assertEquals("Unexpected state", initialState, object.getActualState());
State currentState = initialState;
for (State state : validStateSequence)
{
object.setDesiredState(currentState, state);
assertEquals("Transition from state " + currentState + " into state " + state + " did not occur", state,
object.getActualState());
currentState = state;
}
}
private void assertNormalStateTransition(ConfiguredObject object)
{
assertValidStateTransition(object, State.INITIALISING, State.QUIESCED, State.ACTIVE, State.STOPPED, State.DELETED);
}
private ConfiguredObject createConfiguredObject(ConfigurationEntry entry)
{
@SuppressWarnings("unchecked")
ConfiguredObjectRecoverer<ConfiguredObject> recoverer =
(ConfiguredObjectRecoverer<ConfiguredObject>)_recovererProvider.getRecoverer(entry.getType());
return recoverer.create(_recovererProvider, entry, _broker);
}
private ConfigurationEntry createConfigurationEntry(String type, Map<String, Object> attributes, ConfigurationEntryStore store)
{
return new ConfigurationEntry(UUID.randomUUID(), type, attributes, Collections.<UUID>emptySet(), store);
}
private ConfigurationEntry getAuthenticationProviderConfigurationEntry()
{
Map<String, Object> attributes = new HashMap<String, Object>();
attributes.put(AuthenticationProvider.NAME, getTestName());
attributes.put(AuthenticationProvider.TYPE, AnonymousAuthenticationManagerFactory.PROVIDER_TYPE);
return createConfigurationEntry(AuthenticationProvider.class.getSimpleName(), attributes , _store);
}
private ConfigurationEntry getGroupProviderConfigurationEntry() throws Exception
{
Map<String, Object> attributes = new HashMap<String, Object>();
attributes.put(GroupProvider.NAME, getTestName());
attributes.put(GroupProvider.TYPE, FileGroupManagerFactory.GROUP_FILE_PROVIDER_TYPE);
attributes.put(FileGroupManagerFactory.PATH, _resourceToDelete.getAbsolutePath());
if (!_resourceToDelete.exists())
{
_resourceToDelete.createNewFile();
}
return createConfigurationEntry(GroupProvider.class.getSimpleName(), attributes , _store);
}
private ConfigurationEntry getPortConfigurationEntry()
{
ConfigurationEntry authProviderEntry = getAuthenticationProviderConfigurationEntry();
AuthenticationProvider authProvider = (AuthenticationProvider)createConfiguredObject(authProviderEntry);
Map<String, Object> attributes = new HashMap<String, Object>();
attributes.put(Port.NAME, getTestName());
attributes.put(Port.PROTOCOLS, Collections.<Protocol>singleton(Protocol.HTTP));
attributes.put(Port.AUTHENTICATION_PROVIDER, authProvider.getName());
attributes.put(Port.PORT, 0);
when(_broker.findAuthenticationProviderByName(authProvider.getName())).thenReturn(authProvider);
return createConfigurationEntry(Port.class.getSimpleName(), attributes , _store);
}
}
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