org.rhq.core.clientapi.agent.metadata.test.ConfigurationMetadataParser2Test.java Source code

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Here is the source code for org.rhq.core.clientapi.agent.metadata.test.ConfigurationMetadataParser2Test.java

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/*
 * RHQ Management Platform
 * Copyright (C) 2005-2011 Red Hat, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2, as
 * published by the Free Software Foundation, and/or the GNU Lesser
 * General Public License, version 2.1, also as published by the Free
 * Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License and the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU General Public License
 * and the GNU Lesser General Public License along with this program;
 * if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.rhq.core.clientapi.agent.metadata.test;

import java.net.URL;
import java.util.List;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.util.ValidationEventCollector;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.testng.annotations.BeforeSuite;
import org.testng.annotations.Test;

import org.rhq.core.clientapi.agent.metadata.ConfigurationMetadataParser;
import org.rhq.core.clientapi.agent.metadata.InvalidPluginDescriptorException;
import org.rhq.core.clientapi.descriptor.DescriptorPackages;
import org.rhq.core.clientapi.descriptor.plugin.PluginDescriptor;
import org.rhq.core.clientapi.descriptor.plugin.ServerDescriptor;
import org.rhq.core.domain.configuration.definition.ConfigurationDefinition;
import org.rhq.core.domain.configuration.definition.PropertyDefinitionSimple;
import org.rhq.core.domain.configuration.definition.PropertySimpleType;

/**
 * @author Jason Dobies
 * @author Heiko W. Rupp
 */
public class ConfigurationMetadataParser2Test {
    private static final Log LOG = LogFactory.getLog(ConfigurationMetadataParser2Test.class);
    private static final String DESCRIPTOR_FILENAME = "test2-plugin.xml";

    private PluginDescriptor pluginDescriptor;

    @BeforeSuite
    public void loadPluginDescriptor() throws Exception {
        try {
            URL descriptorUrl = this.getClass().getClassLoader().getResource(DESCRIPTOR_FILENAME);
            LOG.info("Loading plugin descriptor at: " + descriptorUrl);

            JAXBContext jaxbContext = JAXBContext.newInstance(DescriptorPackages.PC_PLUGIN);

            Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
            ValidationEventCollector vec = new ValidationEventCollector();
            unmarshaller.setEventHandler(vec);
            pluginDescriptor = (PluginDescriptor) unmarshaller.unmarshal(descriptorUrl.openStream());
        } catch (Throwable t) {
            // Catch RuntimeExceptions and Errors and dump their stack trace, because Surefire will completely swallow them
            // and throw a cryptic NPE (see http://jira.codehaus.org/browse/SUREFIRE-157)!
            t.printStackTrace();
            throw new RuntimeException(t);
        }
    }

    @Test
    public void parseValidDefinitionServer2() throws InvalidPluginDescriptorException {
        ConfigurationDefinition definition = loadDescriptor("testServer2");

        assertSimplePropertyType(definition, "prop1", PropertySimpleType.STRING);
        assertSimplePropertyType(definition, "prop2", PropertySimpleType.STRING);
        assertSimplePropertyType(definition, "prop3", PropertySimpleType.STRING);

        PropertyDefinitionSimple pds = (PropertyDefinitionSimple) definition.get("prop1");
        assert pds.getEnumeratedValues().size() == 2;
        assert pds.getOptionsSource() == null;

        pds = (PropertyDefinitionSimple) definition.get("prop2");
        assert pds.getEnumeratedValues().isEmpty();
        assert pds.getOptionsSource() != null;

        pds = (PropertyDefinitionSimple) definition.get("prop3");
        assert pds.getEnumeratedValues().size() == 1;
        assert pds.getOptionsSource() != null;

    }

    private void assertSimplePropertyType(ConfigurationDefinition definition, String propertyName,
            PropertySimpleType type) {
        PropertyDefinitionSimple simple = definition.getPropertyDefinitionSimple(propertyName);
        assert simple != null : propertyName + " was not loaded";
        assert simple.getType() == type : propertyName + " was read with incorrect type";
        assert simple.getName().equals(propertyName) : propertyName + " was read with no name";
    }

    private ConfigurationDefinition loadDescriptor(String serverName) throws InvalidPluginDescriptorException {
        List<ServerDescriptor> servers = pluginDescriptor.getServers();

        ServerDescriptor serverDescriptor = findServer(serverName, servers);
        assert serverDescriptor != null : "Server descriptor not found in test plugin descriptor";

        return ConfigurationMetadataParser.parse("null", serverDescriptor.getResourceConfiguration());
    }

    private ServerDescriptor findServer(String name, List<ServerDescriptor> servers) {
        for (ServerDescriptor server : servers) {
            if (server.getName().equals(name)) {
                return server;
            }
        }

        return null;
    }
}