/*******************************************************************************
* This file is part of OpenNMS(R).
*
* Copyright (C) 2008-2012 The OpenNMS Group, Inc.
* OpenNMS(R) is Copyright (C) 1999-2012 The OpenNMS Group, Inc.
*
* OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc.
*
* OpenNMS(R) is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* OpenNMS(R) 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 for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenNMS(R). If not, see:
* http://www.gnu.org/licenses/
*
* For more information contact:
* OpenNMS(R) Licensing <license@opennms.org>
* http://www.opennms.org/
* http://www.opennms.com/
*******************************************************************************/
package org.opennms.netmgt.collectd.tca.config;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.StringWriter;
import java.util.List;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
import javax.xml.bind.SchemaOutputResolver;
import javax.xml.bind.Unmarshaller;
import javax.xml.transform.Result;
import javax.xml.transform.stream.StreamResult;
import org.custommonkey.xmlunit.DetailedDiff;
import org.custommonkey.xmlunit.Difference;
import org.custommonkey.xmlunit.XMLUnit;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.opennms.test.FileAnticipator;
import org.xml.sax.SAXException;
/**
* The Class TcaDataCollectionConfigTest.
*
* @author <a href="mailto:agalue@opennms.org">Alejandro Galue</a>
*/
public class TcaDataCollectionConfigTest {
/** The marshaller. */
private Marshaller marshaller;
/** The unmarshaller. */
private Unmarshaller unmarshaller;
/** The file anticipator. */
private FileAnticipator fileAnticipator;
/** The JAXB context. */
private JAXBContext context;
/** The TCA data collection configuration. */
private TcaDataCollectionConfig tcadcc;
/**
* The Class TestOutputResolver.
*/
static private class TestOutputResolver extends SchemaOutputResolver {
/** The schema file. */
private final File m_schemaFile;
/**
* Instantiates a new test output resolver.
*
* @param schemaFile the schema file
*/
public TestOutputResolver(File schemaFile) {
m_schemaFile = schemaFile;
}
/* (non-Javadoc)
* @see javax.xml.bind.SchemaOutputResolver#createOutput(java.lang.String, java.lang.String)
*/
public Result createOutput(String namespaceUri, String suggestedFileName) throws IOException {
return new StreamResult(m_schemaFile);
}
}
/**
* Sets the up.
*
* @throws Exception the exception
*/
@Before
public void setUp() throws Exception {
fileAnticipator = new FileAnticipator();
context = JAXBContext.newInstance(TcaDataCollectionConfig.class);
marshaller = context.createMarshaller();
unmarshaller = context.createUnmarshaller();
TcaRrd rrd = new TcaRrd();
rrd.addRra("RRA:AVERAGE:0.5:1:3600");
rrd.addRra("RRA:AVERAGE:0.5:300:288");
rrd.addRra("RRA:MIN:0.5:300:288");
rrd.addRra("RRA:MAX:0.5:300:288");
rrd.addRra("RRA:AVERAGE:0.5:900:2880");
rrd.addRra("RRA:MIN:0.5:900:2880");
rrd.addRra("RRA:MAX:0.5:900:2880");
rrd.addRra("RRA:AVERAGE:0.5:3600:4300");
rrd.addRra("RRA:MIN:0.5:3600:4300");
rrd.addRra("RRA:MAX:0.5:3600:4300");
TcaDataCollection tcadc = new TcaDataCollection();
tcadc.setName("default");
tcadc.setRrd(rrd);
tcadcc = new TcaDataCollectionConfig();
tcadcc.addDataCollection(tcadc);
tcadcc.setRrdRepository("target/snmp/");
XMLUnit.setIgnoreWhitespace(true);
XMLUnit.setIgnoreAttributeOrder(true);
XMLUnit.setNormalize(true);
}
/**
* Tear down.
*
* @throws Exception the exception
*/
@After
public void tearDown() throws Exception {
}
/**
* Generate schema.
*
* @throws Exception the exception
*/
@Test
public void generateSchema() throws Exception {
File schemaFile = fileAnticipator.expecting("tca-datacollection-config.xsd");
context.generateSchema(new TestOutputResolver(schemaFile));
if (fileAnticipator.isInitialized()) {
fileAnticipator.deleteExpected();
}
}
/**
* Generate XML.
*
* @throws Exception the exception
*/
@Test
public void generateXML() throws Exception {
// Marshal the test object to an XML string
StringWriter objectXML = new StringWriter();
marshaller.marshal(tcadcc, objectXML);
// Read the example XML from src/test/resources
StringBuffer exampleXML = new StringBuffer();
File tcaCollectionConfig = getSourceFile();
assertTrue(TcaDataCollectionConfig.TCA_DATACOLLECTION_CONFIG_FILE + " is readable", tcaCollectionConfig.canRead());
BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(tcaCollectionConfig), "UTF-8"));
String line;
while (true) {
line = reader.readLine();
if (line == null) {
reader.close();
break;
}
exampleXML.append(line).append("\n");
}
System.err.println("========================================================================");
System.err.println("Object XML:");
System.err.println("========================================================================");
System.err.print(objectXML.toString());
System.err.println("========================================================================");
System.err.println("Example XML:");
System.err.println("========================================================================");
System.err.print(exampleXML.toString());
DetailedDiff myDiff = getDiff(objectXML, exampleXML);
assertEquals("number of XMLUnit differences between the example XML and the mock object XML is 0", 0, myDiff.getAllDifferences().size());
}
/**
* Read XML.
*
* @throws Exception the exception
*/
@Test
public void readXML() throws Exception {
File xmlCollectionConfig = getSourceFile();
assertTrue(TcaDataCollectionConfig.TCA_DATACOLLECTION_CONFIG_FILE + " is readable", xmlCollectionConfig.canRead());
InputStream reader = new FileInputStream(xmlCollectionConfig);
unmarshaller.setSchema(null);
TcaDataCollectionConfig exampleXmldcc = (TcaDataCollectionConfig)unmarshaller.unmarshal(reader);
assertTrue("Compare TCA Data Collection Config objects.", tcadcc.equals(exampleXmldcc));
reader.close();
}
/**
* Gets the source file.
*
* @return the source file
*/
private File getSourceFile() {
File tcaCollectionConfig = new File("src/test/resources/etc/", TcaDataCollectionConfig.TCA_DATACOLLECTION_CONFIG_FILE);
System.err.println("Source File: " + tcaCollectionConfig.getAbsolutePath());
return tcaCollectionConfig;
}
/**
* Gets the diff.
*
* @param objectXML the object XML
* @param exampleXML the example XML
* @return the detailed diff
* @throws SAXException the sAX exception
* @throws IOException Signals that an I/O exception has occurred.
*/
@SuppressWarnings("unchecked")
private DetailedDiff getDiff(StringWriter objectXML, StringBuffer exampleXML) throws SAXException, IOException {
DetailedDiff myDiff = new DetailedDiff(XMLUnit.compareXML(exampleXML.toString(), objectXML.toString()));
List<Difference> allDifferences = myDiff.getAllDifferences();
if (allDifferences.size() > 0) {
for (Difference d : allDifferences) {
System.err.println(d);
}
}
return myDiff;
}
}