ceph/src/ceph-volume/ceph_volume/tests/devices/lvm/test_prepare.py

   1 import pytest
   2 from ceph_volume.devices import lvm
   3
   4
   5 class TestLVM(object):
   6
   7     def test_main_spits_help_with_no_arguments(self, capsys):
   8         lvm.main.LVM([]).main()
   9         stdout, stderr = capsys.readouterr()
  10         assert 'Use LVM and LVM-based technologies like dmcache to deploy' in stdout
  11
  12     def test_main_shows_activate_subcommands(self, capsys):
  13         lvm.main.LVM([]).main()
  14         stdout, stderr = capsys.readouterr()
  15         assert 'activate ' in stdout
  16         assert 'Discover and mount' in stdout
  17
  18     def test_main_shows_prepare_subcommands(self, capsys):
  19         lvm.main.LVM([]).main()
  20         stdout, stderr = capsys.readouterr()
  21         assert 'prepare ' in stdout
  22         assert 'Format an LVM device' in stdout
  23
  24
  25 class TestPrepareDevice(object):
  26
  27     def test_cannot_use_device(self):
  28         with pytest.raises(RuntimeError) as error:
  29             lvm.prepare.Prepare([]).prepare_device(
  30                     '/dev/var/foo', 'data', 'asdf', '0')
  31         assert 'Cannot use device (/dev/var/foo)' in str(error)
  32         assert 'A vg/lv path or an existing device is needed' in str(error)
  33
  34 class TestPrepare(object):
  35
  36     def test_main_spits_help_with_no_arguments(self, capsys):
  37         lvm.prepare.Prepare([]).main()
  38         stdout, stderr = capsys.readouterr()
  39         assert 'Prepare an OSD by assigning an ID and FSID' in stdout
  40
  41     def test_main_shows_full_help(self, capsys):
  42         with pytest.raises(SystemExit):
  43             lvm.prepare.Prepare(argv=['--help']).main()
  44         stdout, stderr = capsys.readouterr()
  45         assert 'Use the filestore objectstore' in stdout
  46         assert 'Use the bluestore objectstore' in stdout
  47         assert 'A physical device or logical' in stdout
  48
  49
  50 class TestGetJournalLV(object):
  51
  52     @pytest.mark.parametrize('arg', ['', '///', None, '/dev/sda1'])
  53     def test_no_journal_on_invalid_path(self, monkeypatch, arg):
  54         monkeypatch.setattr(lvm.prepare.api, 'get_lv', lambda **kw: False)
  55         prepare = lvm.prepare.Prepare([])
  56         assert prepare.get_lv(arg) is None
  57
  58     def test_no_journal_lv_found(self, monkeypatch):
  59         # patch it with 0 so we know we are getting to get_lv
  60         monkeypatch.setattr(lvm.prepare.api, 'get_lv', lambda **kw: 0)
  61         prepare = lvm.prepare.Prepare([])
  62         assert prepare.get_lv('vg/lv') == 0
  63
  64
  65 class TestActivate(object):
  66
  67     def test_main_spits_help_with_no_arguments(self, capsys):
  68         lvm.activate.Activate([]).main()
  69         stdout, stderr = capsys.readouterr()
  70         assert 'Activate OSDs by discovering them with' in stdout
  71
  72     def test_main_shows_full_help(self, capsys):
  73         with pytest.raises(SystemExit):
  74             lvm.activate.Activate(argv=['--help']).main()
  75         stdout, stderr = capsys.readouterr()
  76         assert 'optional arguments' in stdout
  77         assert 'positional arguments' in stdout
  78