#!/usr/bin/env python
# -*- coding: utf-8 -*-
-import multiprocessing
+import io
import os
import sys
import tempfile
import unittest
import arvados.commands.keepdocker as arv_keepdocker
+import arvados_testutil as tutil
class ArvKeepdockerTestCase(unittest.TestCase):
sys.argv = ['arv-keepdocker'] + args
return arv_keepdocker.main()
- def run_arv_keepdocker_process(self, args):
- _, stdout_path = tempfile.mkstemp()
- _, stderr_path = tempfile.mkstemp()
- def wrap():
- def wrapper():
- sys.argv = ['arv-keepdocker'] + args
- sys.stdout = open(stdout_path, 'w')
- sys.stderr = open(stderr_path, 'w')
- arv_keepdocker.main()
- return wrapper
- p = multiprocessing.Process(target=wrap())
- p.start()
- p.join()
- out = open(stdout_path, 'r').read()
- err = open(stderr_path, 'r').read()
- os.unlink(stdout_path)
- os.unlink(stderr_path)
- return p.exitcode, out, err
-
def test_unsupported_arg(self):
with self.assertRaises(SystemExit):
self.run_arv_keepdocker(['-x=unknown'])
def test_version_argument(self):
- exitcode, out, err = self.run_arv_keepdocker_process(['--version'])
- self.assertEqual(0, exitcode)
- self.assertEqual('', out)
- self.assertNotEqual('', err)
- self.assertRegexpMatches(err, "[0-9]+\.[0-9]+\.[0-9]+")
+ err = io.BytesIO()
+ out = io.BytesIO()
+ with tutil.redirected_streams(stdout=out, stderr=err):
+ with self.assertRaises(SystemExit):
+ self.run_arv_keepdocker(['--version'])
+ self.assertEqual(out.getvalue(), '')
+ self.assertRegexpMatches(err.getvalue(), "[0-9]+\.[0-9]+\.[0-9]+")