def test_func_with_parser(tmpworkdir, mocker, initial, expected):
# setup
mocker.patch('sys.argv', ['foo.py', *initial])
mocker.patch('watchgod.cli.set_start_method')
mocker.patch('watchgod.cli.sys.stdin.fileno', side_effect=AttributeError)
mock_run_process = mocker.patch('watchgod.cli.run_process')
# test
assert not tmpworkdir.join('sentinel').exists()
cli('tests.test_cli.with_parser',
str(tmpworkdir)) # run til mock_run_process
run_function('tests.test_cli.with_parser',
None) # run target function once
file = tmpworkdir.join('sentinel')
mock_run_process.assert_called_once_with(
Path(str(tmpworkdir)),
run_function,
args=('tests.test_cli.with_parser', None),
callback=callback)
assert file.exists()
assert file.read_text(encoding='utf-8') == ' '.join(expected)
def test_run_function_tty(tmpworkdir):
# could this cause problems by changing sys.stdin?
assert not tmpworkdir.join('sentinel').exists()
run_function('tests.test_cli.foobar', '/dev/tty')
assert tmpworkdir.join('sentinel').exists()
def test_run_function(tmpworkdir):
assert not tmpworkdir.join('sentinel').exists()
run_function('tests.test_cli.foobar', None)
assert tmpworkdir.join('sentinel').exists()
