1 files changed, 62 insertions, 0 deletions
diff --git a/linguistics/src/test/java/com/yahoo/language/opennlp/OpenNlpDetectorTestCase.java b/linguistics/src/test/java/com/yahoo/language/opennlp/OpenNlpDetectorTestCase.java
new file mode 100644
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+++ b/linguistics/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();
+
+        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());
+    }
+
+}