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- /*
- * Copyright 1999-2005 The Apache Software Foundation.
- *
- * 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.
- */
-
- /* $Id$ */
-
- package org.apache.fop;
-
- import java.io.ByteArrayOutputStream;
- import java.io.StringReader;
- import java.security.DigestOutputStream;
- import java.security.MessageDigest;
- import java.util.Date;
-
- import javax.xml.parsers.SAXParserFactory;
-
- import junit.framework.Test;
- import junit.framework.TestCase;
- import junit.framework.TestSuite;
-
- import org.apache.fop.apps.Fop;
- import org.apache.fop.apps.FOUserAgent;
- import org.apache.fop.apps.MimeConstants;
- import org.apache.fop.util.DigestFilter;
- import org.xml.sax.InputSource;
-
- /**
- * Framework for simple regression testing.
- * The testcase reads a control XML file which specifies a FO source,
- * a MD5 for the source to help diferentiating failures caused by causal
- * source modification from failures caused by regression, a renderer (only
- * PDF currently supported) and a MD5 for the result.
- *
- */
- public final class GenericFOPTestCase extends TestCase {
-
- protected SAXParserFactory parserFactory;
-
- public static Test suite() {
- TestSuite suite = new TestSuite(GenericFOPTestCase.class);
- suite.setName("Fop regression tests");
- return suite;
- }
-
- /**
- * Constructor for FopTest.
- * @param name the name of the test suite
- */
- public GenericFOPTestCase(String name) {
- super(name);
- }
-
- /** @see junit.framework.TestCase#setUp() */
- protected void setUp() throws Exception {
- parserFactory = SAXParserFactory.newInstance();
- parserFactory.setNamespaceAware(true);
- }
-
- public void testSimple() throws Exception {
- final String digestIn = "17bf13298796065f7775db8707133aeb";
- final String digestOut = "e2761f51152f6663911e567901596707";
- final String fo =
- "<fo:root xmlns:fo='http://www.w3.org/1999/XSL/Format'>"
- + " <fo:layout-master-set>"
- + " <fo:simple-page-master master-name='simple'"
- + " page-height='25cm' page-width='20cm'>"
- + " <fo:region-body/>"
- + " </fo:simple-page-master>"
- + " </fo:layout-master-set>"
- + " <fo:page-sequence master-reference='simple'>"
- + " <fo:flow flow-name='xsl-region-body'>"
- + " <fo:block>This is a blind text.</fo:block>"
- + " </fo:flow>"
- + " </fo:page-sequence>"
- + "</fo:root>";
- renderPDF(fo, digestIn, digestOut);
- }
-
- private String digestToString(byte[] value) {
- StringBuffer buffer = new StringBuffer(2 * value.length);
- for (int i = 0; i < value.length; i++) {
- int val = value[i];
- int hi = (val >> 4) & 0xF;
- int lo = val & 0xF;
- if (hi < 10) {
- buffer.append((char) (hi + 0x30));
- } else {
- buffer.append((char) (hi + 0x61 - 10));
- }
- if (lo < 10) {
- buffer.append((char) (lo + 0x30));
- } else {
- buffer.append((char) (lo + 0x61 - 10));
- }
- }
- return buffer.toString();
- }
-
- private void renderPDF(String fo, String digestIn, String digestOut)
- throws Exception {
- FOUserAgent foUserAgent = new FOUserAgent();
- foUserAgent.setCreationDate(new Date(10000));
- MessageDigest outDigest = MessageDigest.getInstance("MD5");
- DigestOutputStream out =
- new DigestOutputStream(new ByteArrayOutputStream(), outDigest);
- Fop fop = new Fop(MimeConstants.MIME_PDF, foUserAgent);
- fop.setOutputStream(out);
- InputSource source = new InputSource(new StringReader(fo));
- DigestFilter filter = new DigestFilter("MD5");
- filter.setParent(parserFactory.newSAXParser().getXMLReader());
- filter.setContentHandler(fop.getDefaultHandler());
- filter.parse(source);
- String digestInActual = digestToString(filter.getDigestValue());
- if (!digestIn.equals(digestInActual)) {
- fail("input MD5: was " + digestInActual + ", expected " + digestIn);
- }
- String digestOutActual = digestToString(outDigest.digest());
- if (!digestOut.equals(digestOutActual)) {
- fail(
- "output MD5: was "
- + digestOutActual
- + ", expected "
- + digestOut);
- }
- }
-
- }
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