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Diffstat (limited to 'linguistics-components/src/test/java/com/yahoo/language/opennlp/OpenNlpDetectorTestCase.java')
-rw-r--r-- | linguistics-components/src/test/java/com/yahoo/language/opennlp/OpenNlpDetectorTestCase.java | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/linguistics-components/src/test/java/com/yahoo/language/opennlp/OpenNlpDetectorTestCase.java b/linguistics-components/src/test/java/com/yahoo/language/opennlp/OpenNlpDetectorTestCase.java new file mode 100644 index 00000000000..5b095ae0681 --- /dev/null +++ b/linguistics-components/src/test/java/com/yahoo/language/opennlp/OpenNlpDetectorTestCase.java @@ -0,0 +1,62 @@ +// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. +package com.yahoo.language.opennlp; + +import com.yahoo.language.Language; +import com.yahoo.language.detect.Detector; +import org.junit.Test; + +import static org.junit.Assert.assertEquals; + +/** + * @author jonmv + */ +public class OpenNlpDetectorTestCase { + + @Test + public void testDetection() { + Detector detector = new OpenNlpDetector(new LangDetectModel183().load()); + + assertLanguage(Language.UNKNOWN, + "", + detector); + + assertLanguage(Language.UNKNOWN, + "Hello!", + detector); + + // from https://en.wikipedia.org/wiki/Yahoo + assertLanguage(Language.ENGLISH, + "Yahoo became a public company via an initial public offering in April 1996 and its stock price rose 600% within two years.", + detector); + + // from https://de.wikipedia.org/wiki/Yahoo + assertLanguage(Language.GERMAN, + "1996 ging Yahoo mit 46 Angestellten an die Börse. 2009 arbeiteten insgesamt rund 13.500 Mitarbeiter für Yahoo.", + detector); + + // from https://fr.wikipedia.org/wiki/Yahoo + assertLanguage(Language.FRENCH, + "À l'origine, Yahoo! était uniquement un annuaire Web.", + detector); + + // Test fallback to SimpleDetector + assertLanguage(Language.CHINESE_TRADITIONAL, // CHINESE_SIMPLIFIED input + "\u6211\u80FD\u541E\u4E0B\u73BB\u7483\u800C\u4E0D\u4F24\u8EAB\u4F53\u3002", + detector); + + // from https://ru.wikipedia.org/wiki/%D0%A0%D0%BE%D1%81%D1%81%D0%B8%D1%8F + assertLanguage(Language.RUSSIAN, + "7 февраля 2000 года Yahoo.com подвергся DDoS атаке и на несколько часов приостановил работу.", + detector); + + // https://he.wikipedia.org/wiki/Yahoo! + assertLanguage(Language.HEBREW, + "אתר יאהו! הוא אחד מאתרי האינטרנט הפופולריים ביותר בעולם, עם מעל 500 מיליון כניסות בכל יום", + detector); + } + + private void assertLanguage(Language language, String input, Detector detector) { + assertEquals(language, detector.detect(input, null).getLanguage()); + } + +} |