src/test/java/net/pterodactylus/sone/text/SoneTextParserTest.java

   1 /*
   2  * Sone - SoneTextParserTest.java - Copyright © 2011 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.text;
  19
  20 import java.io.IOException;
  21 import java.io.StringReader;
  22
  23 import junit.framework.TestCase;
  24
  25 /**
  26  * JUnit test case for {@link SoneTextParser}.
  27  *
  28  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  29  */
  30 public class SoneTextParserTest extends TestCase {
  31
  32         /**
  33          * Tests basic plain-text operation of the parser.
  34          *
  35          * @throws IOException
  36          *             if an I/O error occurs
  37          */
  38         public void testPlainText() throws IOException {
  39                 SoneTextParser soneTextParser = new SoneTextParser(null, null);
  40                 Iterable<Part> parts;
  41
  42                 /* check basic operation. */
  43                 parts = soneTextParser.parse(null, new StringReader("Test."));
  44                 assertNotNull("Parts", parts);
  45                 assertEquals("Part Text", "Test.", convertText(parts, PlainTextPart.class));
  46
  47                 /* check empty lines at start and end. */
  48                 parts = soneTextParser.parse(null, new StringReader("\nTest.\n\n"));
  49                 assertNotNull("Parts", parts);
  50                 assertEquals("Part Text", "Test.", convertText(parts, PlainTextPart.class));
  51
  52                 /* check duplicate empty lines in the text. */
  53                 parts = soneTextParser.parse(null, new StringReader("\nTest.\n\n\nTest."));
  54                 assertNotNull("Parts", parts);
  55                 assertEquals("Part Text", "Test.\n\nTest.", convertText(parts, PlainTextPart.class));
  56         }
  57
  58         /**
  59          * Tests parsing of KSK links.
  60          *
  61          * @throws IOException
  62          *             if an I/O error occurs
  63          */
  64         public void testKSKLinks() throws IOException {
  65                 SoneTextParser soneTextParser = new SoneTextParser(null, null);
  66                 Iterable<Part> parts;
  67
  68                 /* check basic links. */
  69                 parts = soneTextParser.parse(null, new StringReader("KSK@gpl.txt"));
  70                 assertNotNull("Parts", parts);
  71                 assertEquals("Part Text", "[KSK@gpl.txt|gpl.txt|gpl.txt]", convertText(parts, FreenetLinkPart.class));
  72
  73                 /* check embedded links. */
  74                 parts = soneTextParser.parse(null, new StringReader("Link is KSK@gpl.txt\u200b."));
  75                 assertNotNull("Parts", parts);
  76                 assertEquals("Part Text", "Link is [KSK@gpl.txt|gpl.txt|gpl.txt]\u200b.", convertText(parts, PlainTextPart.class, FreenetLinkPart.class));
  77
  78                 /* check embedded links and line breaks. */
  79                 parts = soneTextParser.parse(null, new StringReader("Link is KSK@gpl.txt\nKSK@test.dat\n"));
  80                 assertNotNull("Parts", parts);
  81                 assertEquals("Part Text", "Link is [KSK@gpl.txt|gpl.txt|gpl.txt]\n[KSK@test.dat|test.dat|test.dat]", convertText(parts, PlainTextPart.class, FreenetLinkPart.class));
  82         }
  83
  84         //
  85         // PRIVATE METHODS
  86         //
  87
  88         /**
  89          * Converts all given {@link Part}s into a string, validating that the
  90          * part’s classes match only the expected classes.
  91          *
  92          * @param parts
  93          *            The parts to convert to text
  94          * @param validClasses
  95          *            The valid classes; if no classes are given, all classes are
  96          *            valid
  97          * @return The converted text
  98          */
  99         private String convertText(Iterable<Part> parts, Class<?>... validClasses) {
 100                 StringBuilder text = new StringBuilder();
 101                 for (Part part : parts) {
 102                         assertNotNull("Part", part);
 103                         boolean classValid = validClasses.length == 0;
 104                         for (Class<?> validClass : validClasses) {
 105                                 if (validClass.isAssignableFrom(part.getClass())) {
 106                                         classValid = true;
 107                                         break;
 108                                 }
 109                         }
 110                         if (!classValid) {
 111                                 assertEquals("Part’s Class", null, part.getClass());
 112                         }
 113                         if (part instanceof PlainTextPart) {
 114                                 text.append(((PlainTextPart) part).getText());
 115                         } else if (part instanceof FreenetLinkPart) {
 116                                 FreenetLinkPart freenetLinkPart = (FreenetLinkPart) part;
 117                                 text.append('[').append(freenetLinkPart.getLink()).append('|').append(freenetLinkPart.isTrusted() ? "trusted|" : "").append(freenetLinkPart.getTitle()).append('|').append(freenetLinkPart.getText()).append(']');
 118                         } else if (part instanceof LinkPart) {
 119                                 LinkPart linkPart = (LinkPart) part;
 120                                 text.append('[').append(linkPart.getLink()).append('|').append(linkPart.getTitle()).append('|').append(linkPart.getText()).append(']');
 121                         }
 122                 }
 123                 return text.toString();
 124         }
 125
 126 }