def test_check_state_train(sampler, force, train):
"""Test the behaviour of check_state with force=False and `check_training`
returns True, False, True, True, False, True, or False, False.
Force is used for the return values for `check_training`
"""
sampler.uninformed_sampling = False
sampler.check_proposal_switch = MagicMock()
sampler.check_training = MagicMock(return_value=(train, force))
sampler.train_proposal = MagicMock()
NestedSampler.check_state(sampler, force=False)
if train or force:
sampler.check_training.assert_called_once_with()
sampler.train_proposal.assert_called_once_with(force=force)
else:
sampler.check_training.assert_called_once_with()
sampler.train_proposal.assert_not_called()
def test_check_state_force(sampler, switch, uninformed):
"""Test the behaviour of check_state with force=True.
Training should always start irrespective of other checks and with
force=True unless uninformed sampling is being used and the switch=False.
"""
sampler.uninformed_sampling = uninformed
sampler.check_proposal_switch = MagicMock(return_value=switch)
sampler.check_training = MagicMock()
sampler.train_proposal = MagicMock()
NestedSampler.check_state(sampler, force=True)
if uninformed and not switch:
sampler.train_proposal.assert_not_called()
else:
sampler.train_proposal.assert_called_once_with(force=True)
sampler.check_training.assert_not_called()
