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/*******************************************************************************
* Copyright (c) 2009, 2017 Mountainminds GmbH & Co. KG and Contributors
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.cli.internal;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.w3c.dom.Document;
import org.xml.sax.ErrorHandler;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
/**
* Unit tests for {@link XmlDocumentation}.
*/
public class XmlDocumentationTest {
@Rule
public TemporaryFolder tmp = new TemporaryFolder();
private DocumentBuilder builder;
private XPath xpath;
@Before
public void before() throws Exception {
final DocumentBuilderFactory builderFactory = DocumentBuilderFactory
.newInstance();
builder = builderFactory.newDocumentBuilder();
builder.setErrorHandler(new ErrorHandler() {
public void error(SAXParseException exception) throws SAXException {
fail(exception.getMessage());
}
public void fatalError(SAXParseException exception)
throws SAXException {
fail(exception.getMessage());
}
public void warning(SAXParseException exception)
throws SAXException {
fail(exception.getMessage());
}
});
xpath = XPathFactory.newInstance().newXPath();
}
@Test
public void should_create_documentation() throws Exception {
File file = new File(tmp.getRoot(), "doc.xml");
XmlDocumentation.main(file.getAbsolutePath());
Document doc = parse(file);
assertContains("java -jar jacococli.jar report",
"/documentation/command[@name='report']/usage/text()", doc);
assertContains("Generate reports",
"/documentation/command[@name='report']/description/text()",
doc);
assertContains("<execfiles>",
"/documentation/command[@name='report']/option[1]/usage/text()",
doc);
assertContains("false",
"/documentation/command[@name='report']/option[1]/@required",
doc);
assertContains("true",
"/documentation/command[@name='report']/option[1]/@multiple",
doc);
assertContains("-classfiles <path>",
"/documentation/command[@name='report']/option[2]/usage/text()",
doc);
assertContains("true",
"/documentation/command[@name='report']/option[2]/@multiple",
doc);
}
private Document parse(File file) throws Exception {
InputStream in = new FileInputStream(file);
try {
return builder.parse(new InputSource(in));
} finally {
in.close();
}
}
private void assertContains(String expected, String query, Document doc)
throws XPathExpressionException {
final String actual = eval(query, doc);
assertTrue(actual, actual.contains(expected));
}
private String eval(String query, Document doc)
throws XPathExpressionException {
return (String) xpath.evaluate(query, doc, XPathConstants.STRING);
}
}
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