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ceph-volume tests add verifications for extend_vg helper

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Signed-off-by: Alfredo Deza <adeza@redhat.com>
This commit is contained in:
Alfredo Deza 2018-08-23 15:27:42 -04:00
parent ebbb571d2f
commit fb1e1c61bd
1 changed files with 24 additions and 0 deletions
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24
src/ceph-volume/ceph_volume/tests/api/test_lvm.py
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@ -579,6 +579,30 @@ class TestCreateLV(object):
assert capture.calls[2]['args'][0] == data_tag
class TestExtendVG(object):
def setup(self):
self.foo_volume = api.VolumeGroup(vg_name='foo', lv_tags='')
def test_uses_single_device_in_list(self, monkeypatch, fake_run):
monkeypatch.setattr(api, 'get_vg', lambda **kw: True)
api.extend_vg(self.foo_volume, ['/dev/sda'])
expected = ['vgextend', '--force', '--yes', 'foo', '/dev/sda']
assert fake_run.calls[0]['args'][0] == expected
def test_uses_single_device(self, monkeypatch, fake_run):
monkeypatch.setattr(api, 'get_vg', lambda **kw: True)
api.extend_vg(self.foo_volume, '/dev/sda')
expected = ['vgextend', '--force', '--yes', 'foo', '/dev/sda']
assert fake_run.calls[0]['args'][0] == expected
def test_uses_multiple_devices(self, monkeypatch, fake_run):
monkeypatch.setattr(api, 'get_vg', lambda **kw: True)
api.extend_vg(self.foo_volume, ['/dev/sda', '/dev/sdb'])
expected = ['vgextend', '--force', '--yes', 'foo', '/dev/sda', '/dev/sdb']
assert fake_run.calls[0]['args'][0] == expected
#
# The following tests are pretty gnarly. VDO detection is very convoluted and
# involves correlating information from device mappers, realpaths, slaves of