def test_error_deleted_trumps_draining_metadata(self):
"""
If a server is in ``ERROR`` or ``DELETED`` state, it will not get the
``DRAIN`` destiny.
"""
self.assertEqual(
get_destiny(server('s1', state=ServerState.ERROR,
metadata=dict([DRAINING_METADATA]))),
Destiny.DELETE)
self.assertEqual(
get_destiny(server('s1', state=ServerState.DELETED,
metadata=dict([DRAINING_METADATA]))),
Destiny.CLEANUP)
def test_draining_value_must_match(self):
"""
The value of the draining metadata key must match in order for the
``DRAIN`` destiny to be returned.
"""
self.assertEqual(
get_destiny(server('s1', state=ServerState.ACTIVE,
metadata={DRAINING_METADATA[0]: 'foo'})),
Destiny.CONSIDER_AVAILABLE)
def test_draining(self):
"""
If the draining metadata is found, the destiny of the server will be
``DRAIN``, when the server is in the ACTIVE or BUILD states.
"""
for state in (ServerState.ACTIVE, ServerState.BUILD):
self.assertEqual(
get_destiny(server('s1', state=state,
metadata=dict([DRAINING_METADATA]))),
Destiny.DRAIN)
def test_all_server_states_have_destinies(self):
"""All server states have an associated destiny."""
for st in ServerState.iterconstants():
s = server('s1', state=st)
self.assertIsNot(get_destiny(s), None)