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 TestPrepare(object):
  26
  27     def test_main_spits_help_with_no_arguments(self, capsys):
  28         lvm.prepare.Prepare([]).main()
  29         stdout, stderr = capsys.readouterr()
  30         assert 'Prepare an OSD by assigning an ID and FSID' in stdout
  31
  32     def test_main_shows_full_help(self, capsys):
  33         with pytest.raises(SystemExit):
  34             lvm.prepare.Prepare(argv=['--help']).main()
  35         stdout, stderr = capsys.readouterr()
  36         assert 'required arguments:' in stdout
  37         assert 'A logical group name or a path' in stdout
  38
  39
  40 class TestGetJournalLV(object):
  41
  42     @pytest.mark.parametrize('arg', ['', '///', None, '/dev/sda1'])
  43     def test_no_journal_on_invalid_path(self, monkeypatch, arg):
  44         monkeypatch.setattr(lvm.prepare.api, 'get_lv', lambda **kw: False)
  45         prepare = lvm.prepare.Prepare([])
  46         assert prepare.get_journal_lv(arg) is None
  47
  48     def test_no_journal_lv_found(self, monkeypatch):
  49         # patch it with 0 so we know we are getting to get_lv
  50         monkeypatch.setattr(lvm.prepare.api, 'get_lv', lambda **kw: 0)
  51         prepare = lvm.prepare.Prepare([])
  52         assert prepare.get_journal_lv('vg/lv') == 0
  53
  54
  55 class TestActivate(object):
  56
  57     def test_main_spits_help_with_no_arguments(self, capsys):
  58         lvm.activate.Activate([]).main()
  59         stdout, stderr = capsys.readouterr()
  60         assert 'Activate OSDs by discovering them with' in stdout
  61
  62     def test_main_shows_full_help(self, capsys):
  63         with pytest.raises(SystemExit):
  64             lvm.activate.Activate(argv=['--help']).main()
  65         stdout, stderr = capsys.readouterr()
  66         assert 'optional arguments' in stdout
  67         assert 'positional arguments' in stdout
  68