Make declarations.Implements sortable.comp-implements

Fixes #42

2 files changed, 22 insertions, 4 deletions

diff --git a/src/zope/interface/tests/test_declarations.py b/src/zope/interface/tests/test_declarations.py
index 27a999a..83da6fa 100644
--- a/src/zope/interface/tests/test_declarations.py
+++ b/src/zope/interface/tests/test_declarations.py
@@ -238,7 +238,7 @@ class DeclarationTests(unittest.TestCase):
         self.assertEqual(list(after), [IFoo, IBar, IBaz])
 
 
-class ImplementsTests(unittest.TestCase):
+class TestImplements(unittest.TestCase):
 
     def _getTargetClass(self):
         from zope.interface.declarations import Implements
@@ -264,6 +264,25 @@ class ImplementsTests(unittest.TestCase):
         impl = self._makeOne()
         self.assertEqual(impl.__reduce__(), (implementedBy, (None,)))
 
+    def test_sort(self):
+        from zope.interface.declarations import implementedBy
+        class A(object):
+            pass
+        class B(object):
+            pass
+        from zope.interface.interface import InterfaceClass
+        IFoo = InterfaceClass('IFoo')
+
+        self.assertEqual(implementedBy(A), implementedBy(A))
+        self.assertEqual(hash(implementedBy(A)), hash(implementedBy(A)))
+        self.assertTrue(implementedBy(A) < None)
+        self.assertTrue(None > implementedBy(A))
+        self.assertTrue(implementedBy(A) < implementedBy(B))
+        self.assertTrue(implementedBy(A) > IFoo)
+        self.assertTrue(implementedBy(A) <= implementedBy(B))
+        self.assertTrue(implementedBy(A) >= IFoo)
+        self.assertTrue(implementedBy(A) != IFoo)
+
 
 class Test_implementedByFallback(unittest.TestCase):
 
@@ -597,7 +616,7 @@ class Test_implementer(unittest.TestCase):
         returned = decorator(foo)
         self.assertTrue(returned is foo)
         spec = foo.__implemented__
-        self.assertEqual(spec.__name__, '?')
+        self.assertEqual(spec.__name__, 'zope.interface.tests.test_declarations.?')
         self.assertTrue(spec.inherit is None)
         self.assertTrue(foo.__implemented__ is spec)
 
@@ -1567,7 +1586,7 @@ class _MonkeyDict(object):
 def test_suite():
     return unittest.TestSuite((
         unittest.makeSuite(DeclarationTests),
-        unittest.makeSuite(ImplementsTests),
+        unittest.makeSuite(TestImplements),
         unittest.makeSuite(Test_implementedByFallback),
         unittest.makeSuite(Test_implementedBy),
         unittest.makeSuite(Test_classImplementsOnly),
diff --git a/src/zope/interface/tests/test_odd_declarations.py b/src/zope/interface/tests/test_odd_declarations.py
index 1e62a4f..e508d1d 100644
--- a/src/zope/interface/tests/test_odd_declarations.py
+++ b/src/zope/interface/tests/test_odd_declarations.py
@@ -46,7 +46,6 @@ class B(Odd): __implemented__ = I2
 #       a different mechanism.
 
 # from zope.interface import classProvides
-
 class A(Odd):
     pass
 classImplements(A, I1)