googleapis
diff --git a/‎docs/language-usage.rst
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diff --git a/‎system_tests/attempt_system_tests.py
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diff --git a/‎system_tests/language.py
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diff --git a/‎system_tests/run_system_test.py
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@@ -179,17 +179,17 @@ metadata and other properties.
          name: Michelangelo Caravaggio
          type: PERSON
      metadata: {'wikipedia_url': 'http://en.wikipedia.org/wiki/Caravaggio'}
-     salience: 0.75942981
+     salience: 0.7615959
      ====================
          name: Italian
          type: LOCATION
      metadata: {'wikipedia_url': 'http://en.wikipedia.org/wiki/Italy'}
-     salience: 0.20193423
+     salience: 0.19960518
      ====================
          name: The Calling of Saint Matthew
-         type: WORK_OF_ART
-     metadata: {'wikipedia_url': 'http://en.wikipedia.org/wiki/index.html?curid=2838808'}
-     salience: 0.03863598
+         type: EVENT
+     metadata: {'wikipedia_url': 'http://en.wikipedia.org/wiki/The_Calling_of_St_Matthew_(Caravaggio)'}
+     salience: 0.038798928
 
 Analyze Sentiment
 -----------------
 
@@ -35,6 +35,7 @@
     'storage',
     'bigquery',
     'pubsub',
+    'language',
     'logging',
     'translate',
     'monitoring',
 
@@ -0,0 +1,67 @@
+# Copyright 2016 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import unittest
+
+from gcloud import language
+
+
+class Config(object):
+    """Run-time configuration to be modified at set-up.
+
+    This is a mutable stand-in to allow test set-up to modify
+    global state.
+    """
+    CLIENT = None
+
+
+def setUpModule():
+    Config.CLIENT = language.Client()
+
+
+class TestLanguage(unittest.TestCase):
+
+    def test_analyze_entities(self):
+        from gcloud.language.entity import EntityType
+
+        text_content = ("Michelangelo Caravaggio, Italian painter, is "
+                        "known for 'The Calling of Saint Matthew'.")
+        document = Config.CLIENT.document_from_text(text_content)
+        entities = document.analyze_entities()
+        self.assertEqual(len(entities), 3)
+        entity1, entity2, entity3 = entities
+        # Verify entity 1.
+        self.assertEqual(entity1.name, 'Michelangelo Caravaggio')
+        self.assertEqual(entity1.entity_type, EntityType.PERSON)
+        self.assertTrue(0.7 < entity1.salience < 0.8)
+        self.assertEqual(entity1.mentions, [entity1.name])
+        self.assertEqual(entity1.metadata, {
+            'wikipedia_url': 'http://en.wikipedia.org/wiki/Caravaggio',
+        })
+        # Verify entity 2.
+        self.assertEqual(entity2.name, 'Italian')
+        self.assertEqual(entity2.entity_type, EntityType.LOCATION)
+        self.assertTrue(0.15 < entity2.salience < 0.25)
+        self.assertEqual(entity2.mentions, [entity2.name])
+        self.assertEqual(entity2.metadata, {
+            'wikipedia_url': 'http://en.wikipedia.org/wiki/Italy',
+        })
+        # Verify entity 3.
+        self.assertEqual(entity3.name, 'The Calling of Saint Matthew')
+        self.assertEqual(entity3.entity_type, EntityType.EVENT)
+        self.assertTrue(0 < entity3.salience < 0.1)
+        self.assertEqual(entity3.mentions, [entity3.name])
+        wiki_url = ('http://en.wikipedia.org/wiki/'
+                    'The_Calling_of_St_Matthew_(Caravaggio)')
+        self.assertEqual(entity3.metadata, {'wikipedia_url': wiki_url})
@@ -19,6 +19,7 @@
 import bigquery
 import bigtable
 import datastore
+import language
 import logging_
 import monitoring
 import pubsub
@@ -33,6 +34,7 @@
     'pubsub': pubsub,
     'bigquery': bigquery,
     'bigtable': bigtable,
+    'language': language,
     'logging': logging_,
     'monitoring': monitoring,
     'translate': translate,