Adding system test for analyze_sentiment() in language.

Author: dhermes

system_tests/language.py

@@ -115,3 +115,10 @@ def test_analyze_entities_from_blob(self):
  document = Config.CLIENT.document_from_url(gcs_url)
  entities = document.analyze_entities()
  self._check_analyze_entities_result(entities)
+
+ def test_analyze_sentiment(self):
+ positive_msg = 'Jogging is fun'
+ document = Config.CLIENT.document_from_text(positive_msg)
+ sentiment = document.analyze_sentiment()
+ self.assertEqual(sentiment.polarity, 1)
+ self.assertTrue(0.5 < sentiment.magnitude < 1.5)