broker-core/src/test/java/org/apache/qpid/server/configuration/startup/VirtualHostCreationTest.java

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 * 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
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 * Unless required by applicable law or agreed to in writing,
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 * KIND, either express or implied.  See the License for the
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package org.apache.qpid.server.configuration.startup;

import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.security.Principal;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import org.apache.qpid.server.configuration.IllegalConfigurationException;
import org.apache.qpid.server.configuration.updater.CurrentThreadTaskExecutor;
import org.apache.qpid.server.configuration.updater.TaskExecutor;
import org.apache.qpid.server.logging.EventLogger;
import org.apache.qpid.server.model.Broker;
import org.apache.qpid.server.model.BrokerModel;
import org.apache.qpid.server.model.BrokerTestHelper;
import org.apache.qpid.server.model.ConfiguredObject;
import org.apache.qpid.server.model.ConfiguredObjectFactory;
import org.apache.qpid.server.model.ConfiguredObjectFactoryImpl;
import org.apache.qpid.server.model.SystemConfig;
import org.apache.qpid.server.model.VirtualHost;
import org.apache.qpid.server.model.VirtualHostNode;
import org.apache.qpid.server.store.DurableConfigurationStore;
import org.apache.qpid.server.virtualhost.TestMemoryVirtualHost;
import org.apache.qpid.test.utils.QpidTestCase;

public class VirtualHostCreationTest extends QpidTestCase
{
    private VirtualHostNode _virtualHostNode;

    @Override
    public void setUp() throws Exception
    {
        super.setUp();

        EventLogger eventLogger = mock(EventLogger.class);
        TaskExecutor executor = CurrentThreadTaskExecutor.newStartedInstance();
        SystemConfig systemConfig = mock(SystemConfig.class);
        ConfiguredObjectFactory objectFactory = new ConfiguredObjectFactoryImpl(BrokerModel.getInstance());
        when(systemConfig.getObjectFactory()).thenReturn(objectFactory);
        when(systemConfig.getModel()).thenReturn(objectFactory.getModel());
        when(systemConfig.getEventLogger()).thenReturn(eventLogger);
        when(systemConfig.getTaskExecutor()).thenReturn(executor);
        when(systemConfig.getChildExecutor()).thenReturn(executor);

        Broker broker = mock(Broker.class);
        when(broker.getObjectFactory()).thenReturn(objectFactory);
        when(broker.getModel()).thenReturn(objectFactory.getModel());
        when(broker.getCategoryClass()).thenReturn(Broker.class);
        when(broker.getParent(eq(SystemConfig.class))).thenReturn(systemConfig);
        when(broker.getTaskExecutor()).thenReturn(executor);
        when(broker.getChildExecutor()).thenReturn(executor);

        _virtualHostNode = BrokerTestHelper.mockWithSystemPrincipal(VirtualHostNode.class, mock(Principal.class));
        when(_virtualHostNode.getParent(Broker.class)).thenReturn(broker);
        when(_virtualHostNode.getObjectFactory()).thenReturn(objectFactory);
        when(_virtualHostNode.getConfigurationStore()).thenReturn(mock(DurableConfigurationStore.class));
        when(_virtualHostNode.getModel()).thenReturn(objectFactory.getModel());
        when(_virtualHostNode.getCategoryClass()).thenReturn(VirtualHostNode.class);
        when(_virtualHostNode.getTaskExecutor()).thenReturn(executor);
        when(_virtualHostNode.getChildExecutor()).thenReturn(executor);
    }

    public void testCreateVirtualHostFromStoreConfigAttributes()
    {
        Map<String, Object> attributes = new HashMap<String, Object>();
        attributes.put(VirtualHost.NAME, getName());
        attributes.put(VirtualHost.TYPE, TestMemoryVirtualHost.VIRTUAL_HOST_TYPE);
        attributes.put(VirtualHost.ID, UUID.randomUUID());

        VirtualHost<?> host = new TestMemoryVirtualHost(attributes, _virtualHostNode);
        host.open();

        assertNotNull("Null is returned", host);
        assertEquals("Unexpected name", getName(), host.getName());
        host.close();
    }

    public void testCreateWithoutMandatoryAttributesResultsInException()
    {
        Map<String, Object> attributes = new HashMap<String, Object>();
        attributes.put(VirtualHost.NAME, getName());
        attributes.put(VirtualHost.TYPE, TestMemoryVirtualHost.VIRTUAL_HOST_TYPE);
        String[] mandatoryAttributes = {VirtualHost.NAME};

        checkMandatoryAttributesAreValidated(mandatoryAttributes, attributes);
    }

    public void checkMandatoryAttributesAreValidated(String[] mandatoryAttributes, Map<String, Object> attributes)
    {
        for (String name : mandatoryAttributes)
        {
            Map<String, Object> copy = new HashMap<String, Object>(attributes);
            copy.remove(name);
            copy.put(ConfiguredObject.ID, UUID.randomUUID());
            try
            {
                VirtualHost<?> host = new TestMemoryVirtualHost(copy, _virtualHostNode);
                host.open();
                fail("Cannot create a virtual host without a mandatory attribute " + name);
            }
            catch(IllegalConfigurationException e)
            {
                // pass
            }
            catch(IllegalArgumentException e)
            {
                // pass
            }
        }
    }
}