/*******************************************************************************
* Copyright (c) 2006, 2016 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
* Mickael Istria (Red Hat Inc.) - [509032] Support additional tags
*******************************************************************************/
package org.eclipse.jface.text.tests;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.junit.Test;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyleRange;
import org.eclipse.jface.internal.text.html.HTML2TextReader;
import org.eclipse.jface.text.TextPresentation;
public class HTML2TextReaderTest {
private static final boolean DEBUG= false;
private static final String LD= System.getProperty("line.separator", "\n"); //$NON-NLS-1$ //$NON-NLS-2$
/**
* @param input input
* @param expectedOutput expected output
* @param styleRangeCount count
* @throws IOException test failure
* @deprecated pass actual style ranges
*/
@Deprecated
private void verify(String input, String expectedOutput, int styleRangeCount) throws IOException {
Reader reader= new StringReader(input);
TextPresentation textPresentation= new TextPresentation();
String result;
try (HTML2TextReader htmlReader= new HTML2TextReader(reader, textPresentation)) {
result= htmlReader.getString();
}
if (DEBUG)
System.out.println("<" + result + "/>");
assertEquals(expectedOutput, result);
Iterator<StyleRange> styleRangeIterator= textPresentation.getAllStyleRangeIterator();
List<StyleRange> ranges= new ArrayList<>();
while (styleRangeIterator.hasNext()) {
ranges.add(styleRangeIterator.next());
}
assertEquals("Incorrect number of style ranges", styleRangeCount, ranges.size());
Collections.sort(ranges, (r1, r2) -> r1.start - r2.start);
for (int i= 0; i < ranges.size() - 1; i++) {
StyleRange range1= ranges.get(i);
StyleRange range2= ranges.get(i + 1);
if (range1.start + range1.length > range2.start) {
assertTrue("StyleRanges overlap", false);
}
}
}
private void verify(String input, String expectedOutput, StyleRange[] styleRanges) throws IOException {
Reader reader= new StringReader(input);
TextPresentation textPresentation= new TextPresentation();
String result;
try (HTML2TextReader htmlReader= new HTML2TextReader(reader, textPresentation)) {
result= htmlReader.getString();
}
if (DEBUG)
System.out.println("<" + result + "/>");
assertEquals(expectedOutput, result);
Iterator<StyleRange> styleRangeIterator= textPresentation.getAllStyleRangeIterator();
List<StyleRange> ranges= new ArrayList<>();
while (styleRangeIterator.hasNext()) {
ranges.add(styleRangeIterator.next());
}
Collections.sort(ranges, (r1, r2) -> r1.start - r2.start);
assertEquals(Arrays.asList(styleRanges), ranges);
for (int i= 0; i < ranges.size() - 1; i++) {
StyleRange range1= ranges.get(i);
StyleRange range2= ranges.get(i + 1);
if (range1.start + range1.length > range2.start) {
assertTrue("StyleRanges overlap", false);
}
}
}
@Test
public void test0() throws IOException{
String string= "<code>3<5<code>";
String expected= "3<5";
verify(string, expected, 0);
}
@Test
public void test1() throws IOException{
String string= "<dl><dt>@author</dt><dd>Foo Bar</dd></dl>";
String expected= LD+ "@author"+LD+"\tFoo Bar"+LD;
verify(string, expected, 1);
}
@Test
public void test2() throws IOException{
String string= "<code>3>5<code>";
String expected= "3>5";
verify(string, expected, 0);
}
@Test
public void test3() throws IOException{
String string= "<a href= \"<p>this is only a string - not a tag<p>\">text</a>";
String expected= "text";
verify(string, expected, 0);
}
@Test
public void test4() throws IOException{
String string= "<html><body text=\"#000000\" bgcolor=\"#FFFF88\"><font size=-1><h5>void p.Bb.fes()</h5><p><dl><dt>Parameters:</dt><dd><b>i</b> fred or <code>null</code></dd></dl></font></body></html>";
String expected= "void p.Bb.fes()"+ LD + LD + LD+ "Parameters:"+ LD + "\ti fred or null"+LD;
verify(string, expected, 3);
}
@Test
public void test5() throws IOException{
String string= "<code>1<2<3<4</code>";
String expected= "1<2<3<4";
verify(string, expected, 0);
}
@Test
public void test6() throws IOException{
//test for bug 19070
String string= "<p>Something.<p>Something more.";
String expected= LD + "Something." + LD + "Something more.";
verify(string, expected, 0);
}
@Test
public void testEntity1() throws IOException {
String string= "&";
String expected= "&";
verify(string, expected, 0);
}
@Test
public void testEntity2() throws IOException {
String string= "&unknown;";
String expected= "&unknown;";
verify(string, expected, 0);
}
@Test
public void testBug367378() throws IOException {
verify("<head>", "", 0);
verify("<head>some styles</html>", "", 0);
char[] cb= new char[20];
StringReader reader= new StringReader("<head>");
try (HTML2TextReader r= new HTML2TextReader(reader, null)) {
r.read(cb);
}
assertTrue(Arrays.equals(new char[20], cb));
}
@Test
public void testComments() throws Exception {
String string= "<!-- begin-user-doc -->no comment<!-- end-user-doc -->";
String expected= "no comment";
verify(string, expected, 0);
}
@Test
public void testStyles1() throws IOException {
String string= "<b>Hello World</b>";
String expected= "Hello World";
verify(string, expected, 1);
}
@Test
public void testStyles2() throws IOException {
String string= "<del>Hello World</del>";
String expected= "Hello World";
verify(string, expected, 1);
}
@Test
public void testStyles3() throws IOException {
String string= "<b><del>Hello World</del></b>";
String expected= "Hello World";
verify(string, expected, 1);
}
@Test
public void testStyles4() throws IOException {
String string= "<del><b>Hello World</b></del>";
String expected= "Hello World";
verify(string, expected, 1);
}
@Test
public void testStyles5() throws IOException {
String string= "<b>This <del> is a </del> test</b>";
String expected= "This is a test";
verify(string, expected, 3);
}
@Test
public void testStyles6() throws IOException {
String string= "<del>This <b> is a </b> test</del>";
String expected= "This is a test";
verify(string, expected, 3);
}
@Test
public void testStyles7() throws IOException {
String string= "<b>This<del>is a</del>test</b>";
String expected= "Thisis atest";
verify(string, expected, 3);
}
@Test
public void testStyles8() throws IOException {
String string= "<del>This<b>is a</b>test</del>";
String expected= "Thisis atest";
verify(string, expected, 3);
}
@Test
public void testStyles9() throws IOException {
String string= "<b>This <del>is <b>yet</b> another</del> test</b>";
String expected= "This is yet another test";
verify(string, expected, 3);
}
@Test
public void testStyles10() throws IOException {
String string= "<del>This <b>is <del>yet</del> another </b>test</del>";
String expected= "This is yet another test";
verify(string, expected, 3);
}
@Test
public void testStylesWithPre() throws IOException {
String string= "I am <b>bold</b>." + LD + "<p>" + LD + "<pre>One" + LD + LD + "<b>T</b>hree.</pre>" + LD + "<p>" + LD + "<b>Author:</b> me.";
String expected= "I am bold. " + LD + "One" + LD + LD + "Three. " + LD + "Author: me.";
StyleRange[] ranges= {
new StyleRange(5, 4, null, null, SWT.BOLD),
new StyleRange(14 + 3*LD.length(), 1, null, null, SWT.BOLD),
new StyleRange(21 + 4*LD.length(), 7, null, null, SWT.BOLD)
};
verify(string, expected, ranges);
}
@Test
public void testCombineBoldItalicStriker() throws IOException {
String string= "<strong>strong</strong>,<em>italic</em>,<s>strike</s>," +
"<strong><em>strongItalic</em></strong>,<s><strong>strongStrike</strong></s>," +
"<em><s>italicStrike</s></em>," +
"<em><strong><s>strongItalicStrike</s></strong></em>," +
"none";
String expected= "strong,italic,strike,strongItalic,strongStrike,italicStrike,strongItalicStrike,none";
StyleRange[] ranges= {
new StyleRange(0, 6, null, null, SWT.BOLD),
new StyleRange(7, 6, null, null, SWT.ITALIC),
strike(new StyleRange(14, 6, null, null)),
new StyleRange(21, 12, null, null, SWT.BOLD | SWT.ITALIC),
strike(new StyleRange(34, 12, null, null, SWT.BOLD)),
strike(new StyleRange(47, 12, null, null, SWT.ITALIC)),
strike(new StyleRange(60, 18, null, null, SWT.BOLD | SWT.ITALIC)),
};
verify(string, expected, ranges);
}
private StyleRange strike(StyleRange styleRange) {
styleRange.strikeout = true;
return styleRange;
}
}