test_field_signature_mixin.py 文件源码

def test_signature_functionality(folder_model):
    """Ensure that the FieldSignatureMixin works as expected."""
    # Create a Folder named 'etc' in the root of the file system.
    etc_folder = folder_model(name='etc')
    etc_folder.save()

    assert etc_folder.signature
    assert len(etc_folder.signature) == 40

    # No other Folders in the root may be named 'etc
    with pytest.raises(peewee.IntegrityError):
        folder_model(name='etc').save()

    # Let's test this with a child Folder of 'etc'
    apt_folder = folder_model(name='apt', parent_folder=etc_folder)
    apt_folder.save()

    assert apt_folder.signature
    assert len(apt_folder.signature) == 40

    # Can't have another named 'apt' in 'etc'
    with pytest.raises(peewee.IntegrityError):
        folder_model(name='apt', parent_folder=etc_folder).save()

    # If a Folder is archived, it's signature is nulled out
    etc_folder.archive_instance()

    assert etc_folder.signature is None