def test_args(self, mock_subprocess):
process = Process('foo', 'bar', 'baz')
process.run()
mock_subprocess.Popen.assert_called_once_with(
('foo', 'bar', 'baz'),
stderr=None, stdin=None, stdout=None,
)
def test_env(self, mock_subprocess):
env = {'foo': 'bar'}
process = Process('foo', 'bar', env=env)
process.run()
mock_subprocess.Popen.assert_called_once_with(
('foo', 'bar'), env=env, stderr=None, stdin=None, stdout=None,
)
def test_pipeline_multiple_process_large_stream(self):
pipeline = Process('cat', words_file) | Process('sort', '-r')
pipeline.run(stdout=self.stdout)
self.assertEqual(
self.file_length(words_file),
self.file_length(self.stdout_path),
)
def test_single_process(self):
process = Process('md5sum')
stdin = self.fd_from_string('fubar')
popen_p = process.run(stdin=stdin, stdout=self.stdout)
# pipelines do the waiting for us, Process object do not
popen_p.wait()
self.assertEqual(popen_p.returncode, 0)
self.assertEqual(self.get_stdout(), '5185e8b8fd8a71fc80545e144f91faf2 -\n')
def test_returns_popen(self, mock_subprocess):
mock_subprocess.Popen.return_value = 'MOCK_POPEN'
process = Process('foo', 'bar')
returned = process.run()
self.assertEqual(returned, 'MOCK_POPEN')
def test_duplicate_kwargs(self, mock_subprocess):
process = Process('foo', 'bar', stdin='fail')
with self.assertRaises(TypeError):
process.run()
def test_cwd(self, mock_subprocess):
process = Process('foo', cwd='/foo')
process.run()
mock_subprocess.Popen.assert_called_with(
('foo',), cwd='/foo', stderr=None, stdin=None, stdout=None
)