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import pytest
from ceph_volume.devices import lvm
from mock.mock import patch, MagicMock
class TestZap(object):
def test_main_spits_help_with_no_arguments(self, capsys):
lvm.zap.Zap([]).main()
stdout, stderr = capsys.readouterr()
assert 'Zaps the given logical volume(s), raw device(s) or partition(s)' in stdout
def test_main_shows_full_help(self, capsys):
with pytest.raises(SystemExit):
lvm.zap.Zap(argv=['--help']).main()
stdout, stderr = capsys.readouterr()
assert 'optional arguments' in stdout
@pytest.mark.parametrize('device_name', [
'/dev/mapper/foo',
'/dev/dm-0',
])
@patch('ceph_volume.util.arg_validators.Device')
def test_can_not_zap_mapper_device(self, mocked_device, monkeypatch, device_info, capsys, is_root, device_name):
monkeypatch.setattr('os.path.exists', lambda x: True)
mocked_device.return_value = MagicMock(
is_mapper=True,
is_mpath=False,
used_by_ceph=True,
exists=True,
has_partitions=False,
has_gpt_headers=False,
has_fs=False
)
with pytest.raises(SystemExit):
lvm.zap.Zap(argv=[device_name]).main()
stdout, stderr = capsys.readouterr()
assert 'Refusing to zap' in stderr
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