From 44664f27966a0f5422a4701067ca9a2c8ee5c7d1 Mon Sep 17 00:00:00 2001
From: Stein Magnus Jodal <stein.magnus@jodal.no>
Date: Wed, 9 Jul 2014 22:17:46 +0200
Subject: [PATCH] exc: Add {Backend,Frontend,Mixer}Error exceptions

(cherry picked from commit bf8307f329ce03b7a311d62aa50fdd7833048f32)
---
 mopidy/exceptions.py     | 12 ++++++++++++
 tests/test_exceptions.py | 12 ++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/mopidy/exceptions.py b/mopidy/exceptions.py
index 025d8fad..bf9b6dd9 100644
--- a/mopidy/exceptions.py
+++ b/mopidy/exceptions.py
@@ -16,9 +16,21 @@ class MopidyException(Exception):
         self._message = message
 
 
+class BackendError(MopidyException):
+    pass
+
+
 class ExtensionError(MopidyException):
     pass
 
 
+class FrontendError(MopidyException):
+    pass
+
+
+class MixerError(MopidyException):
+    pass
+
+
 class ScannerError(MopidyException):
     pass
diff --git a/tests/test_exceptions.py b/tests/test_exceptions.py
index 3452a06b..47b3080d 100644
--- a/tests/test_exceptions.py
+++ b/tests/test_exceptions.py
@@ -12,10 +12,22 @@ class ExceptionsTest(unittest.TestCase):
         self.assertEqual(exc.message, 'foo')
         self.assertEqual(str(exc), 'foo')
 
+    def test_backend_error_is_a_mopidy_exception(self):
+        self.assert_(issubclass(
+            exceptions.BackendError, exceptions.MopidyException))
+
     def test_extension_error_is_a_mopidy_exception(self):
         self.assert_(issubclass(
             exceptions.ExtensionError, exceptions.MopidyException))
 
+    def test_frontend_error_is_a_mopidy_exception(self):
+        self.assert_(issubclass(
+            exceptions.FrontendError, exceptions.MopidyException))
+
+    def test_mixer_error_is_a_mopidy_exception(self):
+        self.assert_(issubclass(
+            exceptions.MixerError, exceptions.MopidyException))
+
     def test_scanner_error_is_a_mopidy_exception(self):
         self.assert_(issubclass(
             exceptions.ScannerError, exceptions.MopidyException))