import sys
import mock
import tempfile
-import multiprocessing
import arvados.errors as arv_error
import arvados.commands.ls as arv_ls
import run_test_server
-from arvados_testutil import str_keep_locator
+from arvados_testutil import str_keep_locator, redirected_streams
class ArvLsTestCase(run_test_server.TestCaseWithServers):
FAKE_UUID = 'zzzzz-4zz18-12345abcde12345'
self.stderr = io.BytesIO()
return arv_ls.main(args, self.stdout, self.stderr, api_client)
- def run_ls_process(self, args=[], api_client=None):
- _, 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')
- arv_ls.main(*args, **kwargs)
- return wrapper
- p = multiprocessing.Process(target=wrap(),
- args=(args, sys.stdout, sys.stderr, api_client))
- 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_plain_listing(self):
collection, api_client = self.mock_api_for_manifest(
['. {} 0:3:one.txt 3:4:two.txt'.format(self.random_blocks(5, 2)),
self.assertNotEqual('', self.stderr.getvalue())
def test_version_argument(self):
- _, api_client = self.mock_api_for_manifest([''])
- exitcode, out, err = self.run_ls_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 redirected_streams(stdout=out, stderr=err):
+ with self.assertRaises(SystemExit):
+ self.run_ls(['--version'], None)
+ self.assertEqual(out.getvalue(), '')
+ self.assertRegexpMatches(err.getvalue(), "[0-9]+\.[0-9]+\.[0-9]+")