Redfactored generic FOP test to self-contained JUnit test.

More to add.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@196940 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/test/java/org/apache/fop/GenericFOPTestCase.java b/test/java/org/apache/fop/GenericFOPTestCase.java
new file mode 100644 (file)
index 0000000..ec4ea54
--- /dev/null
+++ b/test/java/org/apache/fop/GenericFOPTestCase.java
@@ -0,0 +1,173 @@
+/*
+ * $Id$
+ * ============================================================================
+ *                    The Apache Software License, Version 1.1
+ * ============================================================================
+ * 
+ * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modifica-
+ * tion, are permitted provided that the following conditions are met:
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 
+ * 3. The end-user documentation included with the redistribution, if any, must
+ *    include the following acknowledgment: "This product includes software
+ *    developed by the Apache Software Foundation (http://www.apache.org/)."
+ *    Alternately, this acknowledgment may appear in the software itself, if
+ *    and wherever such third-party acknowledgments normally appear.
+ * 
+ * 4. The names "FOP" and "Apache Software Foundation" must not be used to
+ *    endorse or promote products derived from this software without prior
+ *    written permission. For written permission, please contact
+ *    apache@apache.org.
+ * 
+ * 5. Products derived from this software may not be called "Apache", nor may
+ *    "Apache" appear in their name, without prior written permission of the
+ *    Apache Software Foundation.
+ * 
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
+ * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ============================================================================
+ * 
+ * This software consists of voluntary contributions made by many individuals
+ * on behalf of the Apache Software Foundation and was originally created by
+ * James Tauber <jtauber@jtauber.com>. For more information on the Apache
+ * Software Foundation, please see <http://www.apache.org/>.
+ */
+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.Driver;
+import org.apache.fop.render.pdf.PDFRenderer;
+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);
+    }
+
+    /* (non-Javadoc)
+     * @see junit.framework.TestCase#setUp()
+     */
+    protected void setUp() throws Exception {
+        parserFactory = SAXParserFactory.newInstance();
+        parserFactory.setNamespaceAware(true);
+    }
+
+    public final 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 {
+        PDFRenderer renderer = new PDFRenderer();
+        renderer.setCreationDate(new Date(10000));
+        MessageDigest outDigest = MessageDigest.getInstance("MD5");
+        ByteArrayOutputStream outBytes = new ByteArrayOutputStream();
+        DigestOutputStream out =
+            new DigestOutputStream(new ByteArrayOutputStream(), outDigest);
+        Driver driver = new Driver();
+        driver.setRenderer(renderer);
+        driver.setOutputStream(out);
+        InputSource source = new InputSource(new StringReader(fo));
+        DigestFilter filter = new DigestFilter("MD5");
+        filter.setParent(parserFactory.newSAXParser().getXMLReader());
+        driver.render(filter, 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);
+        }
+    }
+
+}