X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/f69e114cf6dbe51525e98ca30a52ef3dd4341167..9997ada67ce36d2fbe831bce473aa61250727aff:/sdk/python/tests/test_arv_run.py

diff --git a/sdk/python/tests/test_arv_run.py b/sdk/python/tests/test_arv_run.py
index 0f33dfc6c8..1afc1208b4 100644
--- a/sdk/python/tests/test_arv_run.py
+++ b/sdk/python/tests/test_arv_run.py
@@ -1,8 +1,8 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
 
 from __future__ import absolute_import
-import io
 import os
 import sys
 import tempfile
@@ -11,7 +11,7 @@ import unittest
 import arvados.commands.run as arv_run
 from . import arvados_testutil as tutil
 
-class ArvRunTestCase(unittest.TestCase):
+class ArvRunTestCase(unittest.TestCase, tutil.VersionChecker):
     def run_arv_run(self, args):
         sys.argv = ['arv-run'] + args
         return arv_run.main()
@@ -21,10 +21,8 @@ class ArvRunTestCase(unittest.TestCase):
             self.run_arv_run(['-x=unknown'])
 
     def test_version_argument(self):
-        err = io.BytesIO()
-        out = io.BytesIO()
-        with tutil.redirected_streams(stdout=out, stderr=err):
+        with tutil.redirected_streams(
+                stdout=tutil.StringIO, stderr=tutil.StringIO) as (out, err):
             with self.assertRaises(SystemExit):
                 self.run_arv_run(['--version'])
-        self.assertEqual(out.getvalue(), '')
-        self.assertRegexpMatches(err.getvalue(), "[0-9]+\.[0-9]+\.[0-9]+")
+        self.assertVersionOutput(out, err)