100% unit test coverage.

CHANGES.txt

@@ -5,6 +5,8 @@ CHANGES
 4.0.0 (unreleased)
 ------------------
 
+- 100% unit test coverage.
+
 - Added Sphinx documentation:  moved doctest examples to API reference.
 
 - Added 'setup.py docs' alias (installs ``Sphinx`` and dependencies).

src/zope/proxy/tests/test_decorator.py

@@ -13,10 +13,67 @@
 ##############################################################################
 """Test Harness
 """
-from doctest import DocTestSuite
+import unittest
+
+
+class DecoratorSpecificationDescriptorTests(unittest.TestCase):
+
+    def _getTargetClass(self):
+        from zope.proxy.decorator import DecoratorSpecificationDescriptor
+        return DecoratorSpecificationDescriptor
+
+    def _makeOne(self):
+        return self._getTargetClass()()
+
+    def test___get___w_class(self):
+        from zope.interface import Interface
+        from zope.interface import provider
+        class IFoo(Interface):
+            pass
+        @provider(IFoo)
+        class Foo(object):
+            pass
+        dsd = self._makeOne()
+        self.assertEqual(list(dsd.__get__(None, Foo)), [IFoo])
+
+    def test___get___w_inst_no_proxy(self):
+        from zope.interface import Interface
+        from zope.interface import implementer
+        class IFoo(Interface):
+            pass
+        @implementer(IFoo)
+        class Foo(object):
+            pass
+        dsd = self._makeOne()
+        self.assertEqual(list(dsd.__get__(Foo(), None)), [IFoo])
+
+    def test___get___w_inst_w_proxy(self):
+        from zope.interface import Interface
+        from zope.interface import implementer
+        from zope.proxy import ProxyBase
+        class IFoo(Interface):
+            pass
+        @implementer(IFoo)
+        class Foo(object):
+            pass
+        foo = Foo()
+        p_foo = ProxyBase(foo)
+        dsd = self._makeOne()
+        self.assertEqual(list(dsd.__get__(p_foo, None)), [IFoo])
+
+    def test___set___not_allowed(self):
+        from zope.interface import Interface
+        from zope.interface import implementer
+        class IFoo(Interface):
+            pass
+        @implementer(IFoo)
+        class Foo(object):
+            pass
+        foo = Foo()
+        dsd = self._makeOne()
+        self.assertRaises(TypeError, dsd.__set__, foo, object())
 
 
 def test_suite():
-    suite = DocTestSuite()
-    suite.addTest(DocTestSuite('zope.proxy.decorator'))
-    return suite
+    return unittest.TestSuite((
+    ))