def test_snapshot_error():
fsm = SnapshotLifecycle(target_directory='/mnt/lvm_test',
snapshot_mountpoint='/tmp/mysnapshot/')
# be naughty and chdir to the snapshot after its mounted
# this will cause a failure on the unmount phase
fsm.add_callback('backup', _do_naughty_things)
assert_raises(LVMError, fsm.run)
def test_good_snapshot():
fsm = SnapshotLifecycle(target_directory='/mnt/lvm_test',
snapshot_mountpoint='/tmp/mysnapshot')
fsm.run()
def test_bad_remove():
fsm = SnapshotLifecycle(target_directory='/mnt/lvm_test',
snapshot_mountpoint='/tmp/mysnapshot')
fsm.add_callback('preremove', _do_remount)
assert_raises(AssertionError, fsm.run)
def test_bad_snapshot_mountpoint():
fsm = SnapshotLifecycle(target_directory='/mnt/lvm_test',
snapshot_mountpoint='/tmp/foo/bar/baz')
assert_raises(EnvironmentError, fsm.run)
def test_overallocated_snapshot():
fsm = SnapshotLifecycle(target_directory='/mnt/lvm_test',
snapshot_mountpoint='/tmp/mysnapshot/',
snapshot_size='768M')
assert_raises(EnvironmentError, fsm.run)
def _test_lv_notfound():
fsm = SnapshotLifecycle()
fsm.lvname = 'dba/epicfail' # This LV shouldn't exist
assert_raises(TypeError, fsm.run)
def test_lvmfsm_misconfigured():
"""Test attempting to snapshot a directory not on an lvm device"""
fsm = SnapshotLifecycle(target_directory='/home')
assert_raises(LVMError, fsm.run)
def _test_run():
fsm = SnapshotLifecycle('/mnt/lvm_test')
fsm.run()
