Skip test on s390x

Author: markshannon

Lib/test/support/__init__.py

@@ -65,6 +65,7 @@
     "ALWAYS_EQ", "NEVER_EQ", "LARGEST", "SMALLEST",
     "LOOPBACK_TIMEOUT", "INTERNET_TIMEOUT", "SHORT_TIMEOUT", "LONG_TIMEOUT",
     "Py_DEBUG", "EXCEEDS_RECURSION_LIMIT", "C_RECURSION_LIMIT",
+    "skip_on_s390x",
     ]
 
 
@@ -2463,3 +2464,7 @@ def adjust_int_max_str_digits(max_digits):
 
 # The default C recursion limit (from Include/cpython/pystate.h).
 C_RECURSION_LIMIT = 1500
+
+#Windows doesn't have os.uname() but it doesn't support s390x.
+skip_on_s390x = unittest.skipIf(hasattr(os, 'uname') and os.uname().machine == 's390x',
+                                'skipped on s390x')

Lib/test/test_call.py

@@ -1,5 +1,5 @@
 import unittest
-from test.support import cpython_only, requires_limited_api
+from test.support import cpython_only, requires_limited_api, skip_on_s390x
 try:
     import _testcapi
 except ImportError:
@@ -918,6 +918,7 @@ def test_multiple_values(self):
 @cpython_only
 class TestRecursion(unittest.TestCase):
 
+    @skip_on_s390x
     def test_super_deep(self):
 
         def recurse(n):

Lib/test/test_zlib.py

@@ -7,7 +7,7 @@
 import pickle
 import random
 import sys
-from test.support import bigmemtest, _1G, _4G
+from test.support import bigmemtest, _1G, _4G, skip_on_s390x
 
 
 zlib = import_helper.import_module('zlib')
@@ -44,10 +44,7 @@
 #   zlib.decompress(func1(data)) == zlib.decompress(func2(data)) == data
 #
 # Make the assumption that s390x always has an accelerator to simplify the skip
-# condition. Windows doesn't have os.uname() but it doesn't support s390x.
-skip_on_s390x = unittest.skipIf(hasattr(os, 'uname') and os.uname().machine == 's390x',
-                                'skipped on s390x')
-
+# condition.
 
 class VersionTestCase(unittest.TestCase):