Make 4.9.2 release containing fix for tests that depend on Categories (#263)

Author: mdickinson

CHANGES.rst

@@ -2,6 +2,21 @@
  Envisage CHANGELOG
 ====================
 
+Version 4.9.2
+=============
+
+Released: 2020-02-17
+
+This is a bugfix release that fixes tests that assumed the existence
+of categories machinery (which is removed in Traits 6.0.0).
+
+Fixes
+-----
+
+- Conditionally skip tests that fail against Traits 6.0.0 due to the removal
+  of Categories. (#263)
+
+
 Version 4.9.1
 =============
 

envisage/tests/test_core_plugin.py

@@ -18,6 +18,14 @@
 from traits.api import HasTraits, Int, Interface, List
 from traits.testing.unittest_tools import unittest
 
+# Categories were removed in Traits 6.0
+try:
+    from traits.api import Category as traits_category  # noqa: F401
+except ImportError:
+    categories_available = False
+else:
+    categories_available = True
+
 
 # This module's package.
 PKG = 'envisage.tests'
@@ -137,6 +145,8 @@ def _my_service_factory(self, **properties):
         service = application.get_service(IMyService)
         self.assertEqual(42, service)
 
+    @unittest.skipUnless(
+        categories_available, "Traits categories not available")
     def test_categories(self):
         """ categories """
 
@@ -176,6 +186,8 @@ class Bar(HasTraits):
         # place! This test works for me on Python 2.4!
         self.assertTrue('y' in Bar.class_traits())
 
+    @unittest.skipUnless(
+        categories_available, "Traits categories not available")
     def test_dynamically_added_category(self):
         """ dynamically added category """
 

setup.py

@@ -20,7 +20,7 @@
 # into the package source.
 MAJOR = 4
 MINOR = 9
-MICRO = 1
+MICRO = 2
 IS_RELEASED = True
 
 # If this file is part of a Git export (for example created with "git archive",