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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.render.pdf;
import java.io.File;
import java.io.IOException;
import java.util.StringTokenizer;
import org.junit.Ignore;
import org.junit.Test;
import org.xml.sax.SAXException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.apache.fop.apps.FOUserAgent;
/** Test that characters are correctly encoded in a generated PDF file */
public class PDFEncodingTestCase extends BasePDFTest {
private File foBaseDir = new File("test/xml/pdf-encoding");
private final boolean dumpPDF = Boolean.getBoolean("PDFEncodingTestCase.dumpPDF");
static final String INPUT_FILE = "test/xml/pdf-encoding/pdf-encoding-test.xconf";
static final String TEST_MARKER = "PDFE_TEST_MARK_";
public PDFEncodingTestCase() throws SAXException, IOException {
super(INPUT_FILE);
}
/**
* create an FOUserAgent for our tests
* @return an initialized FOUserAgent
*/
protected FOUserAgent getUserAgent() {
final FOUserAgent a = fopFactory.newFOUserAgent();
return a;
}
/**
* Test using a standard FOP font
* @throws Exception checkstyle wants a comment here, even a silly one
*/
@Test
public void testPDFEncodingWithStandardFont() throws Exception {
/* If the PDF encoding is correct, a text dump of the generated PDF file contains this (excerpts)
* ...Tm [(PDFE_TEST_MARK_2:) ( ) (This) ( ) (is) ...(acute:) ( ) (XX_\351_XX) ] TJ
* ...Tm [(PDFE_TEST_MARK_3:) ( ) (This) ( ) (is) ...(letter:) ( ) (XX_\342\352\356\364\373_XX) ] TJ
* The following array is used to look for these patterns
*/
final String[] testPatterns = {
TEST_MARKER + "1", "Standard",
TEST_MARKER + "2", "XX_\\351_XX",
TEST_MARKER + "3", "XX_\\342\\352\\356\\364\\373_XX"
};
runTest("test-standard-font.fo", testPatterns);
}
/**
* TODO test disabled for now, fails due (probably) do different PDF
* encoding when custom font is used.
* TODO This should be tested using PDFBox. If PDFBox can extract the text correctly,
* everything is fine. The tests here are too unstable.
*
* @throws Exception
* checkstyle wants a comment here, even a silly one
*/
@Ignore("This should be tested using PDFBox. If PDFBox can extract the text correctly,"
+ "everything is fine. The tests here are too unstable.")
@Test
public void testPDFEncodingWithCustomFont() throws Exception {
/* If the PDF encoding is correct, a text dump of the generated PDF file contains this (excerpts)
* ...Tm [(PDFE_TEST_MARK_2:) ( ) (This) ( ) (is) ...(acute:) ( ) (XX_\351_XX) ] TJ
* ...Tm [(PDFE_TEST_MARK_3:) ( ) (This) ( ) (is) ...(letter:) ( ) (XX_\342\352\356\364\373_XX) ] TJ
* The following array is used to look for these patterns
*/
final String[] testPatterns = {
TEST_MARKER + "1", "(Gladiator)",
TEST_MARKER + "2", "XX_\\351_XX",
TEST_MARKER + "3", "XX_\\342\\352\\356\\364\\373_XX"
};
runTest("test-custom-font.fo", testPatterns);
}
/** Test encoding using specified input file and test patterns array */
private void runTest(String inputFile, String[] testPatterns)
throws Exception {
File foFile = new File(foBaseDir, inputFile);
byte[] pdfData = convertFO(foFile, getUserAgent(), dumpPDF);
checkEncoding(pdfData, testPatterns);
}
/**
* Check character encodings in the generated PDF data, by reading text
* lines identified by markers and checking their content
*
* @throws IOException
*/
private void checkEncoding(byte[] pdf, String[] testPattern)
throws IOException {
int markersFound = 0;
final String input = new String(pdf);
int pos = 0;
if ((pos = input.indexOf(TEST_MARKER)) >= 0) {
final StringTokenizer tk = new StringTokenizer(
input.substring(pos), "\n");
while (tk.hasMoreTokens()) {
final String line = tk.nextToken();
if (line.indexOf(TEST_MARKER) >= 0) {
markersFound++;
for (int i = 0; i < testPattern.length; i += 2) {
if (line.indexOf(testPattern[i]) >= 0) {
final String ref = testPattern[i + 1];
final boolean patternFound = line.indexOf(ref) >= 0;
assertTrue("line containing '" + testPattern[i]
+ "' must contain '" + ref, patternFound);
}
}
}
}
}
final int nMarkers = testPattern.length / 2;
assertEquals(nMarkers + " " + TEST_MARKER + " markers must be found",
nMarkers, markersFound);
}
}
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