broker-core/src/test/java/org/apache/qpid/server/virtualhostnode/RedirectingVirtualHostNodeTest.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.virtualhostnode;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import org.apache.qpid.server.configuration.updater.CurrentThreadTaskExecutor;
import org.apache.qpid.server.configuration.updater.TaskExecutor;
import org.apache.qpid.server.model.AuthenticationProvider;
import org.apache.qpid.server.model.Broker;
import org.apache.qpid.server.model.BrokerTestHelper;
import org.apache.qpid.server.model.ConfiguredObjectFactoryImpl;
import org.apache.qpid.server.model.Model;
import org.apache.qpid.server.model.Port;
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.model.port.AmqpPort;
import org.apache.qpid.test.utils.UnitTestBase;

public class RedirectingVirtualHostNodeTest extends UnitTestBase
{
    private static final String TEST_VIRTUAL_HOST_NODE_NAME = "testNode";

    private final UUID _nodeId = UUID.randomUUID();
    private Broker<?> _broker;
    private TaskExecutor _taskExecutor;
    private AmqpPort _port;

    @Before
    public void setUp() throws Exception
    {

        _broker = BrokerTestHelper.createBrokerMock();
        SystemConfig<?> systemConfig = (SystemConfig<?>) _broker.getParent();
        when(systemConfig.getObjectFactory()).thenReturn(new ConfiguredObjectFactoryImpl(mock(Model.class)));

        _taskExecutor = new CurrentThreadTaskExecutor();
        _taskExecutor.start();
        when(_broker.getTaskExecutor()).thenReturn(_taskExecutor);
        when(_broker.getChildExecutor()).thenReturn(_taskExecutor);

        AuthenticationProvider dummyAuthProvider = mock(AuthenticationProvider.class);
        when(dummyAuthProvider.getName()).thenReturn("dummy");
        when(dummyAuthProvider.getId()).thenReturn(UUID.randomUUID());
        when(dummyAuthProvider.getMechanisms()).thenReturn(Arrays.asList("PLAIN"));
        when(_broker.getChildren(eq(AuthenticationProvider.class))).thenReturn(Collections.singleton(dummyAuthProvider));

        final Map<String, Object> attributes = new HashMap<>();
        attributes.put(Port.NAME, getTestName());
        attributes.put(Port.PORT, 0);
        attributes.put(Port.AUTHENTICATION_PROVIDER, "dummy");
        attributes.put(Port.TYPE, "AMQP");
        _port = (AmqpPort) _broker.getObjectFactory().create(Port.class, attributes, _broker);
    }

    @After
    public void tearDown() throws Exception
    {
        try
        {
            _taskExecutor.stopImmediately();
        }
        finally
        {
        }
    }

    @Test
    public void testRedirectingVHNHasRedirectingVHToo() throws Exception
    {
        final Map<String, Object> attributes = createVirtualHostNodeAttributes();

        RedirectingVirtualHostNode node =
                (RedirectingVirtualHostNode) _broker.getObjectFactory().create(VirtualHostNode.class,
                                                                               attributes,
                                                                               _broker);
        assertEquals("Unexpected number of virtualhost children",
                            (long) 1,
                            (long) node.getChildren(VirtualHost.class).size());

        final boolean condition =
                node.getChildren(VirtualHost.class).iterator().next() instanceof RedirectingVirtualHost;
        assertTrue("Virtualhost child is of unexpected type", condition);
    }

    @Test
    public void testStopAndRestartVHN() throws Exception
    {
        final Map<String, Object> attributes = createVirtualHostNodeAttributes();

        RedirectingVirtualHostNode node =
                (RedirectingVirtualHostNode) _broker.getObjectFactory().create(VirtualHostNode.class,
                                                                               attributes,
                                                                               _broker);
        assertEquals("Unexpected number of virtualhost children before stop",
                            (long) 1,
                            (long) node.getChildren(VirtualHost.class).size());
        node.stop();
        assertEquals("Unexpected number of virtualhost children after stop",
                            (long) 0,
                            (long) node.getChildren(VirtualHost.class).size());
        node.start();
        assertEquals("Unexpected number of virtualhost children after restart",
                            (long) 1,
                            (long) node.getChildren(VirtualHost.class).size());
    }

    private Map<String, Object> createVirtualHostNodeAttributes()
    {
        final Map<String, Object> attributes = new HashMap<>();
        attributes.put(VirtualHostNode.TYPE, RedirectingVirtualHostNodeImpl.VIRTUAL_HOST_NODE_TYPE);
        attributes.put(VirtualHostNode.NAME, TEST_VIRTUAL_HOST_NODE_NAME);
        attributes.put(RedirectingVirtualHostNode.REDIRECTS, Collections.singletonMap(_port, "myalternativehostname"));
        return attributes;
    }

}