def edges(selected_letters): return [ { 'node': { 'id': base64('Letter:%s' % l.id), 'letter': l.letter }, 'cursor': base64('sc:%s' % l.id) } for l in [letters[i] for i in selected_letters] ]
def cursor_for(ltr): l = letters[ltr] return base64('sc:%s' % l.id)
def test_returns_no_elements_if_cursors_cross(): check('before: "{}" after: "{}"'.format(base64('sc:%s' % 2), base64('sc:%s' % 4)), '')
def test_returns_all_elements_if_cursors_are_on_the_outside(): check('before: "{}" after: "{}"'.format(base64('sc:%s' % 6), base64('sc:%s' % 0)), 'ABCDE')