#!/usr/bin/env python
-import multiprocessing
+import io
import os
import sys
import tempfile
import unittest
import arvnodeman.launcher as nodeman
+from . import testutil
class ArvNodemArgumentsTestCase(unittest.TestCase):
def run_nodeman(self, args):
return nodeman.main(args)
- def run_nodeman_process(self, args=[]):
- _, stdout_path = tempfile.mkstemp()
- _, stderr_path = tempfile.mkstemp()
- def wrap():
- def wrapper(*args, **kwargs):
- sys.stdout = open(stdout_path, 'w')
- sys.stderr = open(stderr_path, 'w')
- nodeman.main(*args, **kwargs)
- return wrapper
- p = multiprocessing.Process(target=wrap(), args=(args,))
- 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_nodeman(['-x=unknown'])
def test_version_argument(self):
- exitcode, out, err = self.run_nodeman_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 testutil.redirected_streams(stdout=out, stderr=err):
+ with self.assertRaises(SystemExit):
+ self.run_nodeman(['--version'])
+ self.assertEqual(out.getvalue(), '')
+ self.assertRegexpMatches(err.getvalue(), "[0-9]+\.[0-9]+\.[0-9]+")