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/* LanguageTool, a natural language style checker
* Copyright (C) 2006 Daniel Naber (http://www.danielnaber.de)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA
*/
package de.danielnaber.languagetool.server;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import junit.framework.TestCase;
import de.danielnaber.languagetool.JLanguageTool;
import de.danielnaber.languagetool.Language;
import de.danielnaber.languagetool.XMLValidator;
import de.danielnaber.languagetool.tools.StringTools;
public class HTTPServerTest extends TestCase {
public void testHTTPServer() {
HTTPServer server = new HTTPServer();
try {
server.run();
// no error:
String enc = "UTF-8";
assertEquals("<?xml version=\"1.0\" encoding=\""+enc+"\"?>\n<matches>\n</matches>\n", check(Language.GERMAN, ""));
assertEquals("<?xml version=\"1.0\" encoding=\""+enc+"\"?>\n<matches>\n</matches>\n", check(Language.GERMAN, "Ein kleiner test"));
// one error:
assertTrue(check(Language.GERMAN, "ein kleiner test").indexOf("UPPERCASE_SENTENCE_START") != -1);
// two errors:
String result = check(Language.GERMAN, "ein kleiner test. Und wieder Erwarten noch was: \u00f6\u00e4\u00fc\u00df.");
assertTrue(result.indexOf("UPPERCASE_SENTENCE_START") != -1);
assertTrue(result.indexOf("WIEDER_WILLEN") != -1);
assertTrue("Expected special chars, got: '" + result+ "'",
result.indexOf("\u00f6\u00e4\u00fc\u00df") != -1); // special chars are intact
XMLValidator validator = new XMLValidator();
validator.validateXMLString(result, JLanguageTool.getDataBroker().getResourceDir() + "/api-output.dtd", "matches");
validator.checkSimpleXMLString(result);
//System.err.println(result);
// make sure XML chars are escaped in the result to avoid invalid XML
// and XSS attacks:
assertTrue(check(Language.GERMAN, "bla <script>").indexOf("<script>") == -1);
// other tests for special characters
String germanSpecialChars = check(Language.GERMAN, "ein kleiner test. Und wieder Erwarten noch was: öäüß öäüß.");
assertTrue("Expected special chars, got: '" + germanSpecialChars+ "'", germanSpecialChars.contains("öäüß"));
String romanianSpecialChars = check(Language.ROMANIAN, "bla bla șțîâă șțîâă și câteva caractere speciale");
assertTrue("Expected special chars, got: '" + romanianSpecialChars+ "'", romanianSpecialChars.contains("șțîâă"));
String polishSpecialChars = check(Language.POLISH, "Mówiła długo, żeby tylko mówić mówić długo.");
assertTrue("Expected special chars, got: '" + polishSpecialChars+ "'", polishSpecialChars.contains("mówić"));
// test http POST
assertTrue(checkByPOST(Language.ROMANIAN, "greșit greșit").indexOf("greșit") != -1);
// test supported language listing
URL url = new URL("http://localhost:" + HTTPServer.DEFAULT_PORT + "/Languages");
String languagesXML = StringTools.streamToString((InputStream)url.getContent());
if (!languagesXML.contains("Romanian") || !languagesXML.contains("English"))
fail("Error getting supported languages: " + languagesXML);
// tests for "&" character
assertTrue(check(Language.ENGLISH, "Me & you you").contains("&"));
// tests for mother tongue (copy from link {@link FalseFriendRuleTest})
assertTrue(check(Language.ENGLISH, Language.GERMAN, "We will berate you").indexOf("BERATE") != -1);
assertTrue(check(Language.GERMAN, Language.ENGLISH, "Man sollte ihn nicht so beraten.").indexOf("BERATE") != -1);
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
server.stop();
}
}
private String check(Language lang, String text) throws IOException {
return check(lang, null, text);
}
private String check(Language lang, Language motherTongue, String text) throws IOException {
String urlOptions = "/?language=" + lang.getShortName();
urlOptions += "&text=" + URLEncoder.encode(text, "UTF-8"); // latin1 is not enough for languages like polish, romanian, etc
if (null != motherTongue)
urlOptions += "&motherTongue="+motherTongue.getShortName();
URL url = new URL("http://localhost:" + HTTPServer.DEFAULT_PORT + urlOptions);
InputStream stream = (InputStream)url.getContent();
String result = StringTools.streamToString(stream);
return result;
}
/**
* Same as {@link #check(Language, String)} but using HTTP POST method instead of GET
*/
private String checkByPOST(Language lang, String text) throws IOException {
String postData = "language=" + lang.getShortName();
postData += "&text=" + URLEncoder.encode(text, "UTF-8"); // latin1 is not enough for languages like polish, romanian, etc
URL url = new URL("http://localhost:" + HTTPServer.DEFAULT_PORT);
URLConnection connection = url.openConnection();
connection.setDoOutput(true);
OutputStreamWriter wr = new OutputStreamWriter(connection.getOutputStream());
wr.write(postData);
wr.flush();
String result = StringTools.streamToString(connection.getInputStream());
return result;
}
}
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