def test_start_error(mocker):
mock_start_project = mocker.patch('aiohttp_devtools.cli.StartProject')
mocker.patch('aiohttp_devtools.cli.check_dir_clean')
mock_start_project.side_effect = AiohttpDevException('foobar')
runner = CliRunner()
result = runner.invoke(cli, ['start', 'foobar'])
assert result.exit_code == 2
assert mock_start_project.call_count == 1
def test_runserver_error(mocker):
mock_run_app = mocker.patch('aiohttp_devtools.cli.run_app')
mock_run_app.side_effect = AiohttpDevException('foobar')
mock_runserver = mocker.patch('aiohttp_devtools.cli._runserver')
runner = CliRunner()
result = runner.invoke(cli, ['runserver', '.'])
assert result.exit_code == 2
assert 'Error: foobar\n' == result.output
assert mock_run_app.call_count == 1
assert mock_runserver.call_count == 1
