def test_terminate(self):
""" Test if terminating a ProcessMonitor at least calls
communicate and terminate on the Popen-Instance
"""
with patch.multiple('subprocess.Popen',
__init__=DEFAULT,
terminate=DEFAULT,
communicate=DEFAULT) as mocks:
mon = ProcessMonitor('abc')
mon.stdout = sys.stdout
mon.terminate()
mocks['communicate'].assert_called_once()
mocks['terminate'].assert_called_once()
def test_break_no_remaining_on_terminate(self):
""" Test if terminating a ProcessMonitor at least calls
communicate and terminate on the Popen-Instance
"""
with patch.multiple('subprocess.Popen',
__init__=DEFAULT,
terminate=DEFAULT,
communicate=DEFAULT):
m_file = mock_open(read_data='testpattern')
m_file.fileno = Mock(return_value=123)
with patch('select.select', return_value=([], [], [])):
reads = [b'testpattern', b'']
with patch('os.read', side_effect=lambda a, b: reads.pop(0)):
mon = ProcessMonitor('abc')
mon.stdout = m_file
mon._cmd_output_target = StringIO()
mon.pid = 123
mon.terminate()
assert mon._cmd_output_target.getvalue() == ''
