core: Test version property, fix typo in changelog

docs/changelog.rst

@@ -9,8 +9,8 @@ v0.18.0 (UNRELEASED)
 
 **Core API**
 
-- Expose :meth:`mopidy.core.Core.get_version` to HTTP clients for managing
-  compatability between API versions. (Fixes: :issue:`597`)
+- Expose :meth:`mopidy.core.Core.version` for HTTP clients to manage
+  compatibility between API versions. (Fixes: :issue:`597`)
 
 **Pluggable local libraries**
 

mopidy/core/actor.py

@@ -57,6 +57,12 @@ class Core(pykka.ThreadingActor, AudioListener, BackendListener):
     uri_schemes = property(get_uri_schemes)
     """List of URI schemes we can handle"""
 
+    def get_version(self):
+        return versioning.get_version()
+
+    version = property(get_version)
+    """Version of the Mopidy core API"""
+
     def reached_end_of_stream(self):
         self.playback.on_end_of_track()
 
@@ -76,12 +82,6 @@ class Core(pykka.ThreadingActor, AudioListener, BackendListener):
         # Forward event from backend to frontends
         CoreListener.send('playlists_loaded')
 
-    def get_version(self):
-        return versioning.get_version()
-
-    version = property(get_version)
-    """Version of the Mopidy core API"""
-
 
 class Backends(list):
     def __init__(self, backends):

tests/core/actor_test.py

@@ -6,6 +6,7 @@ import unittest
 import pykka
 
 from mopidy.core import Core
+from mopidy.utils import versioning
 
 
 class CoreActorTest(unittest.TestCase):
@@ -54,3 +55,6 @@ class CoreActorTest(unittest.TestCase):
                          {'dummy1': self.backend1})
         self.assertEqual(core.backends.with_library,
                          {'dummy1': self.backend2})
+
+    def test_version(self):
+        self.assertEqual(self.core.version, versioning.get_version())