[Python] More explicit identity comparisons in tests

This follows up on a6e780e, doing the same change for most remaining
and uncontroversial cases.

Author: guitargeek

bindings/distrdf/test/test_proxy.py

@@ -136,8 +136,8 @@ def test_node_attr_transformation(self):
         ]
 
         for attr in node_attributes:
-            self.assertEqual(getattr(proxy, attr),
-                             getattr(proxy.proxied_node, attr))
+            self.assertIs(getattr(proxy, attr),
+                          getattr(proxy.proxied_node, attr))
 
     def test_undefined_attr_transformation(self):
         """

roottest/python/basic/PyROOT_datatypetest.py

@@ -599,16 +599,14 @@ def test10_global_ptr(self):
         d = gbl.get_global_pod()
         assert gbl.is_global_pod(d)
         assert c == d
-        # TODO: in PyROOT, non-TObjects are not mem-regulated
-        #assert id(c) == id(d)
+        assert c is d
 
         e = gbl.CppyyTestPod()
         e.m_int = 43
         e.m_double = 2.14
 
         gbl.g_pod = e
-        # TODO: in PyROOT, non-TObjects are not mem-regulated
-        #assert gbl.is_global_pod(e)
+        assert gbl.is_global_pod(e)
         assert gbl.g_pod.m_int == 43
         assert gbl.g_pod.m_double == 2.14
 
@@ -892,14 +890,10 @@ def address_equality_test(a, b):
             b2 = cppyy.bind_object(a, CppyyTestData)
             b.m_int = 888
             assert b.m_int == 888
-            assert b == b2 and b.m_int == b2.m_int
-            # TODO: in PyROOT, non-TObjects are not mem-regulated
-            #assert b is b2    # memory regulator recycles
+            assert b is b2 and b.m_int == b2.m_int
             b3 = cppyy.bind_object(cppyy.addressof(a), CppyyTestData)
             assert b3.m_int == 888
-            assert b == b3 and b.m_int == b3.m_int
-            # TODO: in PyROOT, non-TObjects are not mem-regulated
-            #assert b is b3    # likewise
+            assert b is b3 and b.m_int == b3.m_int
 
         address_equality_test(c.m_voidp, c2)
         address_equality_test(c.get_voidp(), c2)

roottest/python/cpp/PyROOT_cpptests.py

@@ -166,7 +166,7 @@ def test10StaticFunctionCall( self ):
 
       c2 = gROOT.Class()
 
-      self.assertEqual( c1, c2 )
+      self.assertIs( c1, c2 )
 
       old = gROOT.GetDirLevel()
       TROOT.SetDirLevel( 2 )

roottest/python/regression/PyROOT_regressiontests.py

@@ -524,7 +524,7 @@ def test1ReuseProxies(self):
       a2 = ROOT.A()
       a1.otherA = a2
       a3 = a1.otherA
-      self.assertEqual(a3, a2)
+      self.assertIs(a3, a2)
       val = 4
       a3.b = val
       self.assertEqual(a2.b, val)