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

   1 /*
   2  * Sone - SoneTextParserTest.java - Copyright © 2011–2016 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 static java.lang.String.format;
  21 import static org.hamcrest.MatcherAssert.assertThat;
  22 import static org.hamcrest.Matchers.is;
  23 import static org.hamcrest.Matchers.isIn;
  24 import static org.hamcrest.Matchers.notNullValue;
  25
  26 import java.io.IOException;
  27 import java.util.Collection;
  28
  29 import net.pterodactylus.sone.data.Post;
  30 import net.pterodactylus.sone.data.Sone;
  31 import net.pterodactylus.sone.data.impl.IdOnlySone;
  32 import net.pterodactylus.sone.database.PostProvider;
  33 import net.pterodactylus.sone.database.SoneProvider;
  34
  35 import com.google.common.base.Function;
  36 import com.google.common.base.Optional;
  37 import org.junit.Test;
  38
  39 /**
  40  * JUnit test case for {@link SoneTextParser}.
  41  *
  42  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  43  */
  44 public class SoneTextParserTest {
  45
  46         private final SoneTextParser soneTextParser = new SoneTextParser(null, null);
  47
  48         @SuppressWarnings("static-method")
  49         @Test
  50         public void testPlainText() throws IOException {
  51                 /* check basic operation. */
  52                 Iterable<Part> parts = soneTextParser.parse("Test.", null);
  53                 assertThat("Part Text", convertText(parts, PlainTextPart.class), is("Test."));
  54
  55                 /* check empty lines at start and end. */
  56                 parts = soneTextParser.parse("\nTest.\n\n", null);
  57                 assertThat("Part Text", convertText(parts, PlainTextPart.class), is("Test."));
  58
  59                 /* check duplicate empty lines in the text. */
  60                 parts = soneTextParser.parse("\nTest.\n\n\nTest.", null);
  61                 assertThat("Part Text", convertText(parts, PlainTextPart.class), is("Test.\n\nTest."));
  62         }
  63
  64         @Test
  65         public void consecutiveLinesAreSeparatedByLinefeed() {
  66                 Iterable<Part> parts = soneTextParser.parse("Text.\nText", null);
  67                 assertThat("Part Text", convertText(parts), is("Text.\nText"));
  68         }
  69
  70         @Test
  71         public void freenetLinksHaveTheFreenetPrefixRemoved() {
  72                 Iterable<Part> parts = soneTextParser.parse("freenet:KSK@gpl.txt", null);
  73                 assertThat("Part Text", convertText(parts), is("[KSK@gpl.txt|KSK@gpl.txt|gpl.txt]"));
  74         }
  75
  76         @Test
  77         public void onlyTheFirstItemInALineIsPrefixedWithALineBreak() {
  78                 Iterable<Part> parts = soneTextParser.parse("Text.\nKSK@gpl.txt and KSK@gpl.txt", null);
  79                 assertThat("Part Text", convertText(parts), is("Text.\n[KSK@gpl.txt|KSK@gpl.txt|gpl.txt] and [KSK@gpl.txt|KSK@gpl.txt|gpl.txt]"));
  80         }
  81
  82         @Test
  83         public void soneLinkWithTooShortSoneIdIsRenderedAsPlainText() {
  84                 Iterable<Part> parts = soneTextParser.parse("sone://too-short", null);
  85                 assertThat("Part Text", convertText(parts), is("sone://too-short"));
  86         }
  87
  88         @Test
  89         public void soneLinkIsRenderedCorrectlyIfSoneIsNotPresent() {
  90                 SoneTextParser parser = new SoneTextParser(new AbsentSoneProvider(), null);
  91                 Iterable<Part> parts = parser.parse("sone://DAxKQzS48mtaQc7sUVHIgx3fnWZPQBz0EueBreUVWrU", null);
  92                 assertThat("Part Text", convertText(parts), is("[Sone|DAxKQzS48mtaQc7sUVHIgx3fnWZPQBz0EueBreUVWrU]"));
  93         }
  94
  95         @Test
  96         public void soneAndPostCanBeParsedFromTheSameText() {
  97                 SoneTextParser parser = new SoneTextParser(new TestSoneProvider(), new TestPostProvider());
  98                 Iterable<Part> parts = parser.parse("Text sone://DAxKQzS48mtaQc7sUVHIgx3fnWZPQBz0EueBreUVWrU more text post://f3757817-b45a-497a-803f-9c5aafc10dc6 even more text", null);
  99                 assertThat("Part Text", convertText(parts), is("Text [Sone|DAxKQzS48mtaQc7sUVHIgx3fnWZPQBz0EueBreUVWrU] more text [Post|f3757817-b45a-497a-803f-9c5aafc10dc6|text] even more text"));
 100         }
 101
 102         @Test
 103         public void postLinkIsRenderedAsPlainTextIfPostIdIsTooShort() {
 104                 Iterable<Part> parts = soneTextParser.parse("post://too-short", null);
 105                 assertThat("Part Text", convertText(parts), is("post://too-short"));
 106         }
 107
 108         @Test
 109         public void postLinkIsRenderedCorrectlyIfPostIsPresent() {
 110                 SoneTextParser parser = new SoneTextParser(null, new TestPostProvider());
 111                 Iterable<Part> parts = parser.parse("post://f3757817-b45a-497a-803f-9c5aafc10dc6", null);
 112                 assertThat("Part Text", convertText(parts), is("[Post|f3757817-b45a-497a-803f-9c5aafc10dc6|text]"));
 113         }
 114
 115         @Test
 116         public void postLinkIsRenderedAsPlainTextIfPostIsAbsent() {
 117                 SoneTextParser parser = new SoneTextParser(null, new AbsentPostProvider());
 118                 Iterable<Part> parts = parser.parse("post://f3757817-b45a-497a-803f-9c5aafc10dc6", null);
 119                 assertThat("Part Text", convertText(parts), is("post://f3757817-b45a-497a-803f-9c5aafc10dc6"));
 120         }
 121
 122         @Test
 123         public void nameOfFreenetLinkDoesNotContainUrlParameters() {
 124                 Iterable<Part> parts = soneTextParser.parse("KSK@gpl.txt?max-size=12345", null);
 125                 assertThat("Part Text", convertText(parts), is("[KSK@gpl.txt?max-size=12345|KSK@gpl.txt|gpl.txt]"));
 126         }
 127
 128         @Test
 129         public void trailingSlashInFreenetLinkIsRemovedForName() {
 130                 Iterable<Part> parts = soneTextParser.parse("KSK@gpl.txt/", null);
 131                 assertThat("Part Text", convertText(parts), is("[KSK@gpl.txt/|KSK@gpl.txt/|gpl.txt]"));
 132         }
 133
 134         @Test
 135         public void lastMetaStringOfFreenetLinkIsUsedAsName() {
 136                 Iterable<Part> parts = soneTextParser.parse("CHK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/COPYING", null);
 137                 assertThat("Part Text", convertText(parts), is("[CHK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/COPYING|CHK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/COPYING|COPYING]"));
 138         }
 139
 140         @Test
 141         public void freenetLinkWithoutMetaStringsAndDocNameGetsFirstNineCharactersOfKeyAsName() {
 142                 Iterable<Part> parts = soneTextParser.parse("CHK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8", null);
 143                 assertThat("Part Text", convertText(parts), is("[CHK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8|CHK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8|CHK@qM1nm]"));
 144         }
 145
 146         @Test
 147         public void malformedKeyIsRenderedAsPlainText() {
 148                 Iterable<Part> parts = soneTextParser.parse("CHK@qM1nmgU", null);
 149                 assertThat("Part Text", convertText(parts), is("CHK@qM1nmgU"));
 150         }
 151
 152         @Test
 153         public void httpsLinkHasItsPathsShortened() {
 154                 Iterable<Part> parts = soneTextParser.parse("https://test.test/some-long-path/file.txt", null);
 155                 assertThat("Part Text", convertText(parts), is("[https://test.test/some-long-path/file.txt|https://test.test/some-long-path/file.txt|test.test/…/file.txt]"));
 156         }
 157
 158         @Test
 159         public void httpLinksHaveTheirLastSlashRemoved() {
 160                 Iterable<Part> parts = soneTextParser.parse("http://test.test/test/", null);
 161                 assertThat("Part Text", convertText(parts), is("[http://test.test/test/|http://test.test/test/|test.test/…]"));
 162         }
 163
 164         @Test
 165         public void wwwPrefixIsRemovedForHostnameWithTwoDotsAndNoPath() {
 166                 Iterable<Part> parts = soneTextParser.parse("http://www.test.test", null);
 167                 assertThat("Part Text", convertText(parts), is("[http://www.test.test|http://www.test.test|test.test]"));
 168         }
 169
 170         @Test
 171         public void wwwPrefixIsRemovedForHostnameWithTwoDotsAndAPath() {
 172                 Iterable<Part> parts = soneTextParser.parse("http://www.test.test/test.html", null);
 173                 assertThat("Part Text", convertText(parts), is("[http://www.test.test/test.html|http://www.test.test/test.html|test.test/test.html]"));
 174         }
 175
 176         @Test
 177         public void hostnameIsKeptIntactIfNotBeginningWithWww() {
 178                 Iterable<Part> parts = soneTextParser.parse("http://test.test.test/test.html", null);
 179                 assertThat("Part Text", convertText(parts), is("[http://test.test.test/test.html|http://test.test.test/test.html|test.test.test/test.html]"));
 180         }
 181
 182         @Test
 183         public void hostnameWithOneDotButNoSlashIsKeptIntact() {
 184                 Iterable<Part> parts = soneTextParser.parse("http://test.test", null);
 185                 assertThat("Part Text", convertText(parts), is("[http://test.test|http://test.test|test.test]"));
 186         }
 187
 188         @Test
 189         public void urlParametersAreRemovedForHttpLinks() {
 190                 Iterable<Part> parts = soneTextParser.parse("http://test.test?foo=bar", null);
 191                 assertThat("Part Text", convertText(parts), is("[http://test.test?foo=bar|http://test.test?foo=bar|test.test]"));
 192         }
 193
 194         @Test
 195         public void emptyStringIsParsedCorrectly() {
 196                 Iterable<Part> parts = soneTextParser.parse("", null);
 197                 assertThat("Part Text", convertText(parts), is(""));
 198         }
 199
 200         @Test
 201         public void linksAreParsedInCorrectOrder() {
 202                 Iterable<Part> parts = soneTextParser.parse("KSK@ CHK@", null);
 203                 assertThat("Part Text", convertText(parts), is("KSK@ CHK@"));
 204         }
 205
 206         @Test
 207         public void invalidSskAndUskLinkIsParsedAsText() {
 208                 Iterable<Part> parts = soneTextParser.parse("SSK@a USK@a", null);
 209                 assertThat("Part Text", convertText(parts), is("SSK@a USK@a"));
 210         }
 211
 212         @Test
 213         public void sskLinkWithoutContextIsNotTrusted() {
 214                 Iterable<Part> parts = soneTextParser.parse("SSK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test", null);
 215                 assertThat("Part Text", convertText(parts), is("[SSK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test|SSK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test|test]"));
 216         }
 217
 218         @Test
 219         public void sskLinkWithContextWithoutSoneIsNotTrusted() {
 220                 SoneTextParserContext context = new SoneTextParserContext(null);
 221                 Iterable<Part> parts = soneTextParser.parse("SSK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test", context);
 222                 assertThat("Part Text", convertText(parts), is("[SSK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test|SSK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test|test]"));
 223         }
 224
 225         @Test
 226         public void sskLinkWithContextWithDifferentSoneIsNotTrusted() {
 227                 SoneTextParserContext context = new SoneTextParserContext(new IdOnlySone("DAxKQzS48mtaQc7sUVHIgx3fnWZPQBz0EueBreUVWrU"));
 228                 Iterable<Part> parts = soneTextParser.parse("SSK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test", context);
 229                 assertThat("Part Text", convertText(parts), is("[SSK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test|SSK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test|test]"));
 230         }
 231
 232         @Test
 233         public void sskLinkWithContextWithCorrectSoneIsTrusted() {
 234                 SoneTextParserContext context = new SoneTextParserContext(new IdOnlySone("qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU"));
 235                 Iterable<Part> parts = soneTextParser.parse("SSK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test", context);
 236                 assertThat("Part Text", convertText(parts), is("[SSK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test|trusted|SSK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test|test]"));
 237         }
 238
 239         @Test
 240         public void uskLinkWithContextWithCorrectSoneIsTrusted() {
 241                 SoneTextParserContext context = new SoneTextParserContext(new IdOnlySone("qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU"));
 242                 Iterable<Part> parts = soneTextParser.parse("USK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test/0", context);
 243                 assertThat("Part Text", convertText(parts), is("[USK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test/0|trusted|USK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test/0|test]"));
 244         }
 245
 246         @SuppressWarnings("static-method")
 247         @Test
 248         public void testKSKLinks() throws IOException {
 249                 /* check basic links. */
 250                 Iterable<Part> parts = soneTextParser.parse("KSK@gpl.txt", null);
 251                 assertThat("Part Text", convertText(parts, FreenetLinkPart.class), is("[KSK@gpl.txt|KSK@gpl.txt|gpl.txt]"));
 252
 253                 /* check embedded links. */
 254                 parts = soneTextParser.parse("Link is KSK@gpl.txt\u200b.", null);
 255                 assertThat("Part Text", convertText(parts, PlainTextPart.class, FreenetLinkPart.class), is("Link is [KSK@gpl.txt|KSK@gpl.txt|gpl.txt]\u200b."));
 256
 257                 /* check embedded links and line breaks. */
 258                 parts = soneTextParser.parse("Link is KSK@gpl.txt\nKSK@test.dat\n", null);
 259                 assertThat("Part Text", convertText(parts, PlainTextPart.class, FreenetLinkPart.class), is("Link is [KSK@gpl.txt|KSK@gpl.txt|gpl.txt]\n[KSK@test.dat|KSK@test.dat|test.dat]"));
 260         }
 261
 262         @SuppressWarnings({ "synthetic-access", "static-method" })
 263         @Test
 264         public void testEmptyLinesAndSoneLinks() throws IOException {
 265                 SoneTextParser soneTextParser = new SoneTextParser(new TestSoneProvider(), null);
 266
 267                 /* check basic links. */
 268                 Iterable<Part> parts = soneTextParser.parse("Some text.\n\nLink to sone://DAxKQzS48mtaQc7sUVHIgx3fnWZPQBz0EueBreUVWrU and stuff.", null);
 269                 assertThat("Part Text", convertText(parts, PlainTextPart.class, SonePart.class), is("Some text.\n\nLink to [Sone|DAxKQzS48mtaQc7sUVHIgx3fnWZPQBz0EueBreUVWrU] and stuff."));
 270         }
 271
 272         @SuppressWarnings({ "synthetic-access", "static-method" })
 273         @Test
 274         public void testEmpyHttpLinks() throws IOException {
 275                 SoneTextParser soneTextParser = new SoneTextParser(new TestSoneProvider(), null);
 276
 277                 /* check empty http links. */
 278                 Iterable<Part> parts = soneTextParser.parse("Some text. Empty link: http:// – nice!", null);
 279                 assertThat("Part Text", convertText(parts, PlainTextPart.class), is("Some text. Empty link: http:// – nice!"));
 280         }
 281
 282         @Test
 283         public void httpLinkWithoutParensEndsAtNextClosingParen() {
 284                 Iterable<Part> parts = soneTextParser.parse("Some text (and a link: http://example.sone/abc) – nice!", null);
 285                 assertThat("Part Text", convertText(parts, PlainTextPart.class, LinkPart.class), is("Some text (and a link: [http://example.sone/abc|http://example.sone/abc|example.sone/abc]) – nice!"));
 286         }
 287
 288         @Test
 289         public void uskLinkEndsAtFirstNonNumericNonSlashCharacterAfterVersionNumber() {
 290                 Iterable<Part> parts = soneTextParser.parse("Some link (USK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test/0). Nice", null);
 291                 assertThat("Part Text", convertText(parts), is("Some link ([USK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test/0|USK@qM1nmgU-YUnIttmEhqjTl7ifAF3Z6o~5EPwQW03uEQU,aztSUkT-VT1dWvfSUt9YpfyW~Flmf5yXpBnIE~v8sAg,AAMC--8/test/0|test]). Nice"));
 292         }
 293
 294         @Test
 295         public void httpLinkWithOpenedAndClosedParensEndsAtNextClosingParen() {
 296                 Iterable<Part> parts = soneTextParser.parse("Some text (and a link: http://example.sone/abc_(def)) – nice!", null);
 297                 assertThat("Part Text", convertText(parts, PlainTextPart.class, LinkPart.class), is("Some text (and a link: [http://example.sone/abc_(def)|http://example.sone/abc_(def)|example.sone/abc_(def)]) – nice!"));
 298         }
 299
 300         @Test
 301         public void punctuationIsIgnoredAtEndOfLinkBeforeWhitespace() {
 302                 Iterable<Part> parts = soneTextParser.parse("Some text and a link: http://example.sone/abc. Nice!", null);
 303                 assertThat("Part Text", convertText(parts, PlainTextPart.class, LinkPart.class), is("Some text and a link: [http://example.sone/abc|http://example.sone/abc|example.sone/abc]. Nice!"));
 304         }
 305
 306         @Test
 307         public void multiplePunctuationCharactersAreIgnoredAtEndOfLinkBeforeWhitespace() {
 308                 Iterable<Part> parts = soneTextParser.parse("Some text and a link: http://example.sone/abc... Nice!", null);
 309                 assertThat("Part Text", convertText(parts, PlainTextPart.class, LinkPart.class), is("Some text and a link: [http://example.sone/abc|http://example.sone/abc|example.sone/abc]... Nice!"));
 310         }
 311
 312         @Test
 313         public void commasAreIgnoredAtEndOfLinkBeforeWhitespace() {
 314                 Iterable<Part> parts = soneTextParser.parse("Some text and a link: http://example.sone/abc, nice!", null);
 315                 assertThat("Part Text", convertText(parts, PlainTextPart.class, LinkPart.class), is("Some text and a link: [http://example.sone/abc|http://example.sone/abc|example.sone/abc], nice!"));
 316         }
 317
 318         @Test
 319         public void exclamationMarksAreIgnoredAtEndOfLinkBeforeWhitespace() {
 320                 Iterable<Part> parts = soneTextParser.parse("A link: http://example.sone/abc!", null);
 321                 assertThat("Part Text", convertText(parts, PlainTextPart.class, LinkPart.class), is("A link: [http://example.sone/abc|http://example.sone/abc|example.sone/abc]!"));
 322         }
 323
 324         @Test
 325         public void questionMarksAreIgnoredAtEndOfLinkBeforeWhitespace() {
 326                 Iterable<Part> parts = soneTextParser.parse("A link: http://example.sone/abc?", null);
 327                 assertThat("Part Text", convertText(parts, PlainTextPart.class, LinkPart.class), is("A link: [http://example.sone/abc|http://example.sone/abc|example.sone/abc]?"));
 328         }
 329
 330         @Test
 331         public void correctFreemailAddressIsLinkedToCorrectly() {
 332                 Iterable<Part> parts = soneTextParser.parse("Mail me at sone@t4dlzfdww3xvsnsc6j6gtliox6zaoak7ymkobbmcmdw527ubuqra.freemail!", null);
 333                 assertThat("Part Text", convertText(parts), is("Mail me at [Freemail|sone|t4dlzfdww3xvsnsc6j6gtliox6zaoak7ymkobbmcmdw527ubuqra|nwa8lHa271k2QvJ8aa0Ov7IHAV-DFOCFgmDt3X6BpCI]!"));
 334         }
 335
 336         @Test
 337         public void freemailAddressWithInvalidFreemailIdIsParsedAsText() {
 338                 Iterable<Part> parts = soneTextParser.parse("Mail me at sone@t4dlzfdww3xvsnsc6j6gtliox6zaoak7ymkobbmcmdw527ubuqr8.freemail!", null);
 339                 assertThat("Part Text", convertText(parts), is("Mail me at sone@t4dlzfdww3xvsnsc6j6gtliox6zaoak7ymkobbmcmdw527ubuqr8.freemail!"));
 340         }
 341
 342         @Test
 343         public void freemailAddressWithInvalidSizedFreemailIdIsParsedAsText() {
 344                 Iterable<Part> parts = soneTextParser.parse("Mail me at sone@4dlzfdww3xvsnsc6j6gtliox6zaoak7ymkobbmcmdw527ubuqra.freemail!", null);
 345                 assertThat("Part Text", convertText(parts), is("Mail me at sone@4dlzfdww3xvsnsc6j6gtliox6zaoak7ymkobbmcmdw527ubuqra.freemail!"));
 346         }
 347
 348         @Test
 349         public void freemailAddressWithoutLocalPartIsParsedAsText() {
 350                 Iterable<Part> parts = soneTextParser.parse("     @t4dlzfdww3xvsnsc6j6gtliox6zaoak7ymkobbmcmdw527ubuqra.freemail!", null);
 351                 assertThat("Part Text", convertText(parts), is("     @t4dlzfdww3xvsnsc6j6gtliox6zaoak7ymkobbmcmdw527ubuqra.freemail!"));
 352         }
 353
 354         @Test
 355         public void correctFreemailAddressIsParsedCorrectly() {
 356                 Iterable<Part> parts = soneTextParser.parse("sone@t4dlzfdww3xvsnsc6j6gtliox6zaoak7ymkobbmcmdw527ubuqra.freemail", null);
 357                 assertThat("Part Text", convertText(parts), is("[Freemail|sone|t4dlzfdww3xvsnsc6j6gtliox6zaoak7ymkobbmcmdw527ubuqra|nwa8lHa271k2QvJ8aa0Ov7IHAV-DFOCFgmDt3X6BpCI]"));
 358         }
 359
 360         @Test
 361         public void localPartOfFreemailAddressCanContainLettersDigitsMinusDotUnderscore() {
 362                 Iterable<Part> parts = soneTextParser.parse("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._@t4dlzfdww3xvsnsc6j6gtliox6zaoak7ymkobbmcmdw527ubuqra.freemail", null);
 363                 assertThat("Part Text", convertText(parts), is("[Freemail|ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._|t4dlzfdww3xvsnsc6j6gtliox6zaoak7ymkobbmcmdw527ubuqra|nwa8lHa271k2QvJ8aa0Ov7IHAV-DFOCFgmDt3X6BpCI]"));
 364         }
 365
 366         /**
 367          * Converts all given {@link Part}s into a string, validating that the
 368          * part’s classes match only the expected classes.
 369          *
 370          * @param parts
 371          *            The parts to convert to text
 372          * @param validClasses
 373          *            The valid classes; if no classes are given, all classes are
 374          *            valid
 375          * @return The converted text
 376          */
 377         private static String convertText(Iterable<Part> parts, Class<?>... validClasses) {
 378                 StringBuilder text = new StringBuilder();
 379                 for (Part part : parts) {
 380                         assertThat("Part", part, notNullValue());
 381                         if (validClasses.length != 0) {
 382                                 assertThat("Part’s class", part.getClass(), isIn(validClasses));
 383                         }
 384                         if (part instanceof PlainTextPart) {
 385                                 text.append(((PlainTextPart) part).getText());
 386                         } else if (part instanceof FreenetLinkPart) {
 387                                 FreenetLinkPart freenetLinkPart = (FreenetLinkPart) part;
 388                                 text.append('[').append(freenetLinkPart.getLink()).append('|').append(freenetLinkPart.getTrusted() ? "trusted|" : "").append(freenetLinkPart.getTitle()).append('|').append(freenetLinkPart.getText()).append(']');
 389                         } else if (part instanceof FreemailPart) {
 390                                 FreemailPart freemailPart = (FreemailPart) part;
 391                                 text.append(format("[Freemail|%s|%s|%s]", freemailPart.getEmailLocalPart(), freemailPart.getFreemailId(), freemailPart.getIdentityId()));
 392                         } else if (part instanceof LinkPart) {
 393                                 LinkPart linkPart = (LinkPart) part;
 394                                 text.append('[').append(linkPart.getLink()).append('|').append(linkPart.getTitle()).append('|').append(linkPart.getText()).append(']');
 395                         } else if (part instanceof SonePart) {
 396                                 SonePart sonePart = (SonePart) part;
 397                                 text.append("[Sone|").append(sonePart.getSone().getId()).append(']');
 398                         } else if (part instanceof PostPart) {
 399                                 PostPart postPart = (PostPart) part;
 400                                 text.append("[Post|").append(postPart.getPost().getId()).append("|").append(postPart.getPost().getText()).append("]");
 401                         }
 402                 }
 403                 return text.toString();
 404         }
 405
 406         /**
 407          * Mock Sone provider.
 408          *
 409          * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
 410          */
 411         private static class TestSoneProvider implements SoneProvider {
 412
 413                 @Override
 414                 public Function<String, Optional<Sone>> soneLoader() {
 415                         return new Function<String, Optional<Sone>>() {
 416                                 @Override
 417                                 public Optional<Sone> apply(String soneId) {
 418                                         return getSone(soneId);
 419                                 }
 420                         };
 421                 }
 422
 423                 /**
 424                  * {@inheritDoc}
 425                  */
 426                 @Override
 427                 public Optional<Sone> getSone(final String soneId) {
 428                         return Optional.<Sone>of(new IdOnlySone(soneId));
 429                 }
 430
 431                 /**
 432                  * {@inheritDocs}
 433                  */
 434                 @Override
 435                 public Collection<Sone> getSones() {
 436                         return null;
 437                 }
 438
 439                 /**
 440                  * {@inheritDocs}
 441                  */
 442                 @Override
 443                 public Collection<Sone> getLocalSones() {
 444                         return null;
 445                 }
 446
 447                 /**
 448                  * {@inheritDocs}
 449                  */
 450                 @Override
 451                 public Collection<Sone> getRemoteSones() {
 452                         return null;
 453                 }
 454
 455         }
 456
 457         private static class AbsentSoneProvider extends TestSoneProvider {
 458
 459                 @Override
 460                 public Optional<Sone> getSone(String soneId) {
 461                         return Optional.absent();
 462                 }
 463
 464         }
 465
 466         private static class TestPostProvider implements PostProvider {
 467
 468                 @Override
 469                 public Optional<Post> getPost(final String postId) {
 470                         return Optional.<Post>of(new Post() {
 471                                 @Override
 472                                 public String getId() {
 473                                         return postId;
 474                                 }
 475
 476                                 @Override
 477                                 public boolean isLoaded() {
 478                                         return false;
 479                                 }
 480
 481                                 @Override
 482                                 public Sone getSone() {
 483                                         return null;
 484                                 }
 485
 486                                 @Override
 487                                 public Optional<String> getRecipientId() {
 488                                         return null;
 489                                 }
 490
 491                                 @Override
 492                                 public Optional<Sone> getRecipient() {
 493                                         return null;
 494                                 }
 495
 496                                 @Override
 497                                 public long getTime() {
 498                                         return 0;
 499                                 }
 500
 501                                 @Override
 502                                 public String getText() {
 503                                         return "text";
 504                                 }
 505
 506                                 @Override
 507                                 public boolean isKnown() {
 508                                         return false;
 509                                 }
 510
 511                                 @Override
 512                                 public Post setKnown(boolean known) {
 513                                         return null;
 514                                 }
 515                         });
 516                 }
 517
 518                 @Override
 519                 public Collection<Post> getPosts(String soneId) {
 520                         return null;
 521                 }
 522
 523                 @Override
 524                 public Collection<Post> getDirectedPosts(String recipientId) {
 525                         return null;
 526                 }
 527
 528         }
 529
 530         private static class AbsentPostProvider extends TestPostProvider {
 531
 532                 @Override
 533                 public Optional<Post> getPost(String postId) {
 534                         return Optional.absent();
 535                 }
 536
 537         }
 538
 539 }