org.objenesis.tck.OsgiTest.java Source code

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Here is the source code for org.objenesis.tck.OsgiTest.java

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/**
 * Copyright 2006-2013 the original author or authors.
 *
 * Licensed 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.objenesis.tck;

import java.io.File;
import java.io.IOException;
import java.io.Serializable;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;

import org.objenesis.Objenesis;
import org.objenesis.ObjenesisHelper;
import org.springframework.osgi.test.AbstractConfigurableBundleCreatorTests;
import org.w3c.dom.Document;

/**
 * @author Henri Tremblay
 */
public class OsgiTest extends AbstractConfigurableBundleCreatorTests implements Serializable {

    private static final long serialVersionUID = 1L;

    protected String[] getTestBundlesNames() {
        String version = getImplementationVersion(Objenesis.class);
        // Null means we are an IDE, not in Maven. So we have an IDE project dependency instead
        // of a Maven dependency with the jar. Which explains why the version is null (no Manifest
        // since there's no jar. In that case we get the version from the pom.xml and hope the Maven
        // jar is up-to-date in the local repository
        if (version == null) {
            try {
                XPathFactory xPathFactory = XPathFactory.newInstance();
                final XPath xPath = xPathFactory.newXPath();
                XPathExpression xPathExpression;
                try {
                    xPathExpression = xPath.compile("/project/parent/version");
                } catch (final XPathExpressionException e) {
                    throw new RuntimeException(e);
                }

                final DocumentBuilderFactory xmlFact = DocumentBuilderFactory.newInstance();
                xmlFact.setNamespaceAware(false);
                final DocumentBuilder builder = xmlFact.newDocumentBuilder();
                final Document doc = builder.parse(new File("pom.xml"));
                version = xPathExpression.evaluate(doc);
            } catch (final Exception e) {
                throw new RuntimeException(e);
            }
        }
        return new String[] { "org.objenesis, objenesis, " + version };
    }

    public void testCanInstantiate() throws IOException {
        assertSame(OsgiTest.class, ObjenesisHelper.newInstance(getClass()).getClass());
    }

    public void testCanInstantiateSerialize() throws IOException {
        assertSame(OsgiTest.class, ObjenesisHelper.newSerializableInstance(getClass()).getClass());
    }

    protected String getImplementationVersion(final Class c) {
        return c.getPackage().getImplementationVersion();
    }
}