Tests for Slovenian language support

orangecontrib/text/tests/test_sentiment.py

@@ -7,7 +7,7 @@
 class LiuHuTest(unittest.TestCase):
     def setUp(self):
         self.corpus = Corpus.from_file('deerwester')
-        self.method = Liu_Hu_Sentiment()
+        self.method = Liu_Hu_Sentiment('English')
         self.new_cols = 1
 
     def test_transform(self):
@@ -49,6 +49,39 @@ def test_empty_corpus(self):
                          len(self.corpus.domain) + self.new_cols)
         self.assertEqual(len(sentiment), 0)
 
+class Liu_Hu_Slovenian(unittest.TestCase):
+    def setUp(self):
+        self.corpus = Corpus.from_file('slo-opinion-corpus')
+        self.method = Liu_Hu_Sentiment('Slovenian')
+        self.new_cols = 1
+
+    def test_transform(self):
+        sentiment = self.method.transform(self.corpus)
+        self.assertIsInstance(sentiment, Corpus)
+        self.assertEqual(len(sentiment.domain),
+                         len(self.corpus.domain) + self.new_cols)
+
+    def test_copy(self):
+        sentiment_t = self.method.transform(self.corpus, copy=True)
+        self.assertIsNot(self.corpus, sentiment_t)
+
+        sentiment_f = self.method.transform(self.corpus, copy=False)
+        self.assertIs(self.corpus, sentiment_f)
+
+    def test_compute_values(self):
+        sentiment = self.method.transform(self.corpus)
+        computed = Corpus.from_table(sentiment.domain, self.corpus)
+
+        self.assertEqual(sentiment.domain, computed.domain)
+        self.assertTrue((sentiment.X == computed.X).all())
+
+    def test_empty_corpus(self):
+        corpus = self.corpus[:0]
+        sentiment = self.method.transform(corpus)
+        self.assertEqual(len(sentiment.domain),
+                         len(self.corpus.domain) + self.new_cols)
+        self.assertEqual(len(sentiment), 0)
+
 
 class VaderTest(LiuHuTest):
     def setUp(self):