test_memoryio: skip SIGSEG tests

Author: cosminbasca

graalpython/lib-python/3/test/test_memoryio.py

@@ -361,6 +361,7 @@ def test_instance_dict_leak(self):
             memio = self.ioclass()
             memio.foo = 1
 
+    @unittest.skipIfGraalPython(reason="not yet supported, causes SEGFAULT")
     def test_pickling(self):
         buf = self.buftype("1234567890")
         memio = self.ioclass(buf)
@@ -445,6 +446,7 @@ def test_read1(self):
         self.assertRaises(TypeError, memio.read1)
         self.assertEqual(memio.read(), buf)
 
+    @unittest.skipIfGraalPython(reason="not yet supported, causes SEGFAULT")
     def test_readinto(self):
         buf = self.buftype("1234567890")
         memio = self.ioclass(buf)

graalpython/lib-python/3/test/test_operator.py

@@ -511,7 +511,7 @@ def copy(self, obj, proto):
         with support.swap_item(sys.modules, 'operator', self.module2):
             return pickle.loads(pickled)
 
-    @unittest.skipIfGraalPython()
+    @unittest.skipIfGraalPython(reason="not yet supported, causes SEGFAULT")
     def test_attrgetter(self):
         attrgetter = self.module.attrgetter
         class A:
@@ -540,7 +540,7 @@ class A:
                 self.assertEqual(repr(f2), repr(f))
                 self.assertEqual(f2(a), f(a))
 
-    @unittest.skipIfGraalPython()
+    @unittest.skipIfGraalPython(reason="not yet supported, causes SEGFAULT")
     def test_itemgetter(self):
         itemgetter = self.module.itemgetter
         a = 'ABCDE'
@@ -556,7 +556,7 @@ def test_itemgetter(self):
                 self.assertEqual(repr(f2), repr(f))
                 self.assertEqual(f2(a), f(a))
 
-    @unittest.skipIfGraalPython()
+    @unittest.skipIfGraalPython(reason="not yet supported, causes SEGFAULT")
     def test_methodcaller(self):
         methodcaller = self.module.methodcaller
         class A:

graalpython/lib-python/3/test/test_range.py

@@ -349,7 +349,7 @@ def test_repr(self):
         self.assertEqual(repr(range(1, 2)), 'range(1, 2)')
         self.assertEqual(repr(range(1, 2, 3)), 'range(1, 2, 3)')
 
-    @unittest.skipIfGraalPython()
+    @unittest.skipIfGraalPython(reason="not yet supported, causes SEGFAULT")
     def test_pickling(self):
         testcases = [(13,), (0, 11), (-22, 10), (20, 3, -1),
                      (13, 21, 3), (-2, 2, 2), (2**65, 2**65+2)]

graalpython/lib-python/3/unittest/__init__.py

@@ -79,5 +79,5 @@ def load_tests(loader, tests, pattern):
     return loader.discover(start_dir=this_dir, pattern=pattern)
 
 
-def skipIfGraalPython():
-    return skipIf(sys.implementation.name == 'graalpython', 'Functionality not yet supported')
+def skipIfGraalPython(reason="Functionality not yet supported"):
+    return skipIf(sys.implementation.name == 'graalpython', reason)