Issue #27472: Add test.support.unix_shell as the path to the default shell.

1 files changed, 8 insertions, 5 deletions

diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 6493d76..aa9b538 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -64,6 +64,7 @@ except ImportError:
     INT_MAX = PY_SSIZE_T_MAX = sys.maxsize
 
 from test.support.script_helper import assert_python_ok
+from test.support import unix_shell
 
 
 root_in_posix = False
@@ -670,18 +671,20 @@ class EnvironTests(mapping_tests.BasicTestMappingProtocol):
         return os.environ
 
     # Bug 1110478
-    @unittest.skipUnless(os.path.exists('/bin/sh'), 'requires /bin/sh')
+    @unittest.skipUnless(unix_shell and os.path.exists(unix_shell),
+                         'requires a shell')
     def test_update2(self):
         os.environ.clear()
         os.environ.update(HELLO="World")
-        with os.popen("/bin/sh -c 'echo $HELLO'") as popen:
+        with os.popen("%s -c 'echo $HELLO'" % unix_shell) as popen:
             value = popen.read().strip()
             self.assertEqual(value, "World")
 
-    @unittest.skipUnless(os.path.exists('/bin/sh'), 'requires /bin/sh')
+    @unittest.skipUnless(unix_shell and os.path.exists(unix_shell),
+                         'requires a shell')
     def test_os_popen_iter(self):
-        with os.popen(
-            "/bin/sh -c 'echo \"line1\nline2\nline3\"'") as popen:
+        with os.popen("%s -c 'echo \"line1\nline2\nline3\"'"
+                      % unix_shell) as popen:
             it = iter(popen)
             self.assertEqual(next(it), "line1\n")
             self.assertEqual(next(it), "line2\n")