def test_slaves_are_not_found(self, makedirs, listdir, monkeypatch):
slaves_path = makedirs('sys/block/vdo0/slaves')
listdir(paths={'/sys/block/vdo0/slaves': slaves_path})
monkeypatch.setattr('ceph_volume.api.lvm.os.path.exists', lambda x: True)
result = sorted(api._vdo_slaves(['vdo0']))
assert '/dev/mapper/vdo0' in result
assert 'vdo0' in result
def test_slaves_are_not_found(self, makedirs, listdir, monkeypatch):
slaves_path = makedirs('sys/block/vdo0/slaves')
listdir(paths={'/sys/block/vdo0/slaves': slaves_path})
monkeypatch.setattr('ceph_volume.api.lvm.os.path.exists', lambda x, **kw: True)
result = sorted(api._vdo_slaves(['vdo0']))
assert '/dev/mapper/vdo0' in result
assert 'vdo0' in result
