Add mock 4.0.2

lib/mock/tests/support.py

@@ -0,0 +1,52 @@
+import contextlib
+import sys
+
+target = {'foo': 'FOO'}
+
+
+def is_instance(obj, klass):
+    """Version of is_instance that doesn't access __class__"""
+    return issubclass(type(obj), klass)
+
+
+class SomeClass(object):
+    class_attribute = None
+
+    def wibble(self): pass
+
+
+class X(object):
+    pass
+
+
+@contextlib.contextmanager
+def uncache(*names):
+    """Uncache a module from sys.modules.
+
+    A basic sanity check is performed to prevent uncaching modules that either
+    cannot/shouldn't be uncached.
+
+    """
+    for name in names:
+        assert name not in ('sys', 'marshal', 'imp')
+        try:
+            del sys.modules[name]
+        except KeyError:
+            pass
+    try:
+        yield
+    finally:
+        for name in names:
+            del sys.modules[name]
+
+
+class _ALWAYS_EQ:
+    """
+    Object that is equal to anything.
+    """
+    def __eq__(self, other):
+        return True
+    def __ne__(self, other):
+        return False
+
+ALWAYS_EQ = _ALWAYS_EQ()