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         // ACTIONS
  34         //
  35
  36         /**
  37          * Tests basic plain-text operation of the parser.
  38          *
  39          * @throws IOException
  40          *             if an I/O error occurs
  41          */
  42         public void testPlainText() throws IOException {
  43                 SoneTextParser soneTextParser = new SoneTextParser(null, null);
  44                 Iterable<Part> parts;
  45
  46                 /* check basic operation. */
  47                 parts = soneTextParser.parse(null, new StringReader("Test."));
  48                 assertNotNull("Parts", parts);
  49                 assertEquals("Part Text", "Test.", convertText(parts, PlainTextPart.class));
  50
  51                 /* check empty lines at start and end. */
  52                 parts = soneTextParser.parse(null, new StringReader("\nTest.\n\n"));
  53                 assertNotNull("Parts", parts);
  54                 assertEquals("Part Text", "Test.", convertText(parts, PlainTextPart.class));
  55
  56                 /* check duplicate empty lines in the text. */
  57                 parts = soneTextParser.parse(null, new StringReader("\nTest.\n\n\nTest."));
  58                 assertNotNull("Parts", parts);
  59                 assertEquals("Part Text", "Test.\n\nTest.", convertText(parts, PlainTextPart.class));
  60         }
  61
  62         /**
  63          * Tests parsing of KSK links.
  64          *
  65          * @throws IOException
  66          *             if an I/O error occurs
  67          */
  68         public void testKSKLinks() throws IOException {
  69                 SoneTextParser soneTextParser = new SoneTextParser(null, null);
  70                 Iterable<Part> parts;
  71
  72                 /* check basic links. */
  73                 parts = soneTextParser.parse(null, new StringReader("KSK@gpl.txt"));
  74                 assertNotNull("Parts", parts);
  75                 assertEquals("Part Text", "[KSK@gpl.txt|gpl.txt|gpl.txt]", convertText(parts, FreenetLinkPart.class));
  76
  77                 /* check embedded links. */
  78                 parts = soneTextParser.parse(null, new StringReader("Link is KSK@gpl.txt\u200b."));
  79                 assertNotNull("Parts", parts);
  80                 assertEquals("Part Text", "Link is [KSK@gpl.txt|gpl.txt|gpl.txt]\u200b.", convertText(parts, PlainTextPart.class, FreenetLinkPart.class));
  81
  82                 /* check embedded links and line breaks. */
  83                 parts = soneTextParser.parse(null, new StringReader("Link is KSK@gpl.txt\nKSK@test.dat\n"));
  84                 assertNotNull("Parts", parts);
  85                 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));
  86         }
  87
  88         //
  89         // PRIVATE METHODS
  90         //
  91
  92         /**
  93          * Converts all given {@link Part}s into a string, validating that the
  94          * part’s classes match only the expected classes.
  95          *
  96          * @param parts
  97          *            The parts to convert to text
  98          * @param validClasses
  99          *            The valid classes; if no classes are given, all classes are
 100          *            valid
 101          * @return The converted text
 102          */
 103         private String convertText(Iterable<Part> parts, Class<?>... validClasses) {
 104                 StringBuilder text = new StringBuilder();
 105                 for (Part part : parts) {
 106                         assertNotNull("Part", part);
 107                         boolean classValid = validClasses.length == 0;
 108                         for (Class<?> validClass : validClasses) {
 109                                 if (validClass.isAssignableFrom(part.getClass())) {
 110                                         classValid = true;
 111                                         break;
 112                                 }
 113                         }
 114                         if (!classValid) {
 115                                 assertEquals("Part’s Class", null, part.getClass());
 116                         }
 117                         if (part instanceof PlainTextPart) {
 118                                 text.append(((PlainTextPart) part).getText());
 119                         } else if (part instanceof FreenetLinkPart) {
 120                                 FreenetLinkPart freenetLinkPart = (FreenetLinkPart) part;
 121                                 text.append('[').append(freenetLinkPart.getLink()).append('|').append(freenetLinkPart.isTrusted() ? "trusted|" : "").append(freenetLinkPart.getTitle()).append('|').append(freenetLinkPart.getText()).append(']');
 122                         } else if (part instanceof LinkPart) {
 123                                 LinkPart linkPart = (LinkPart) part;
 124                                 text.append('[').append(linkPart.getLink()).append('|').append(linkPart.getTitle()).append('|').append(linkPart.getText()).append(']');
 125                         }
 126                 }
 127                 return text.toString();
 128         }
 129
 130 }