All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.springframework.test.util.XmlExpectationsHelper Maven / Gradle / Ivy

There is a newer version: 6.1.13
Show newest version
/*
 * Copyright 2002-2018 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
 *
 *      https://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.springframework.test.util;

import java.io.StringReader;
import java.util.Map;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Source;
import javax.xml.transform.dom.DOMSource;

import org.hamcrest.Matcher;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.xml.sax.InputSource;
import org.xmlunit.builder.DiffBuilder;
import org.xmlunit.diff.DefaultNodeMatcher;
import org.xmlunit.diff.Diff;
import org.xmlunit.diff.ElementSelectors;

import static org.hamcrest.MatcherAssert.assertThat;

/**
 * A helper class for assertions on XML content.
 *
 * @author Rossen Stoyanchev
 * @since 3.2
 */
public class XmlExpectationsHelper {

	/**
	 * Parse the content as {@link Node} and apply a {@link Matcher}.
	 */
	public void assertNode(String content, Matcher matcher) throws Exception {
		Document document = parseXmlString(content);
		assertThat("Body content", document, matcher);
	}

	private Document parseXmlString(String xml) throws Exception  {
		DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
		factory.setNamespaceAware(true);
		DocumentBuilder documentBuilder = factory.newDocumentBuilder();
		InputSource inputSource = new InputSource(new StringReader(xml));
		return documentBuilder.parse(inputSource);
	}

	/**
	 * Parse the content as {@link DOMSource} and apply a {@link Matcher}.
	 * @see xml-matchers
	 */
	public void assertSource(String content, Matcher matcher) throws Exception {
		Document document = parseXmlString(content);
		assertThat("Body content", new DOMSource(document), matcher);
	}

	/**
	 * Parse the expected and actual content strings as XML and assert that the
	 * two are "similar" -- i.e. they contain the same elements and attributes
	 * regardless of order.
	 * 

Use of this method assumes the * XMLUnit library is available. * @param expected the expected XML content * @param actual the actual XML content * @see org.springframework.test.web.servlet.result.MockMvcResultMatchers#xpath(String, Object...) * @see org.springframework.test.web.servlet.result.MockMvcResultMatchers#xpath(String, Map, Object...) */ public void assertXmlEqual(String expected, String actual) throws Exception { XmlUnitDiff diff = new XmlUnitDiff(expected, actual); if (diff.hasDifferences()) { AssertionErrors.fail("Body content " + diff.toString()); } } /** * Inner class to prevent hard dependency on XML Unit. */ private static class XmlUnitDiff { private final Diff diff; XmlUnitDiff(String expected, String actual) { this.diff = DiffBuilder.compare(expected).withTest(actual) .withNodeMatcher(new DefaultNodeMatcher(ElementSelectors.byNameAndText)) .ignoreWhitespace().ignoreComments() .checkForSimilar() .build(); } public boolean hasDifferences() { return this.diff.hasDifferences(); } @Override public String toString() { return this.diff.toString(); } } }





© 2015 - 2024 Weber Informatics LLC | Privacy Policy