10111: Merge branch 'master' into 10111-collection-labels

[arvados.git] / sdk / python / tests / test_arv_copy.py

diff --git a/sdk/python/tests/test_arv_copy.py b/sdk/python/tests/test_arv_copy.py
index c8eb5d14f838161355e3dd392419ff9dae86a1b2..54fed8573ea20535c45df721f5cbabf896982496 100644 (file)
--- a/sdk/python/tests/test_arv_copy.py
+++ b/sdk/python/tests/test_arv_copy.py
@@ -1,8 +1,4 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
 from __future__ import absolute_import
-import io
 import os
 import sys
 import tempfile
@@ -11,7 +7,7 @@ import unittest
 import arvados.commands.arv_copy as arv_copy
 from . import arvados_testutil as tutil
 
-class ArvCopyTestCase(unittest.TestCase):
+class ArvCopyTestCase(unittest.TestCase, tutil.VersionChecker):
     def run_copy(self, args):
         sys.argv = ['arv-copy'] + args
         return arv_copy.main()
@@ -21,10 +17,8 @@ class ArvCopyTestCase(unittest.TestCase):
             self.run_copy(['-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_copy(['--version'])
-        self.assertEqual(out.getvalue(), '')
-        self.assertRegexpMatches(err.getvalue(), "[0-9]+\.[0-9]+\.[0-9]+")
+        self.assertVersionOutput(out, err)