new_contents: from vdirsyncer.cli.utils import repair_storage
  from vdirsyncer.storage.memory import MemoryStorage
  from vdirsyncer.utils.vobject import Item
  
  
  def test_repair_uids():
      s = MemoryStorage()
      s.upload(Item(u'BEGIN:VCARD\nEND:VCARD'))
  
      repair_storage(s)
  
      uid, = [s.get(href)[0].uid for href, etag in s.list()]
      s.upload(Item(u'BEGIN:VCARD\nUID:{}\nEND:VCARD'.format(uid)))
  
      uid1, uid2 = [s.get(href)[0].uid for href, etag in s.list()]
      assert uid1 == uid2
  
      repair_storage(s)
  
      uid1, uid2 = [s.get(href)[0].uid for href, etag in s.list()]
      assert uid1 != uid2
  
subject: Add test for repair command