from cleo.testers import CommandTester


def test_about(app):
    command = app.find('about')
    tester = CommandTester(command)

    tester.execute([('command', command.get_name())])

    expected = """\
Poetry - Package Management for Python

Poetry is a dependency manager tracking local dependencies of your projects and libraries.
See https://github.com/sdispater/poetry for more information.

"""

    assert tester.get_display() == expected
