def test_proceed_follows_highest_priority_condition():
plumb_eng = one_component_engine()
proc_eng = top.ProceduresEngine(plumb_eng,
branching_procedure_suite_two_options())
proc_eng.execute_current()
proc_eng.proceed()
assert proc_eng.current_procedure_id == 'p1'
assert proc_eng.current_step.step_id == 's2'
def test_proceed_requires_satisfaction():
plumb_eng = one_component_engine()
proc_eng = top.ProceduresEngine(plumb_eng,
branching_procedure_suite_no_options())
proc_eng.execute_current()
proc_eng.proceed()
assert proc_eng.current_procedure_id == 'p1'
assert proc_eng.current_step.step_id == 's1'
def test_proceed_follows_satisfied_condition():
plumb_eng = one_component_engine()
proc_eng = top.ProceduresEngine(plumb_eng,
branching_procedure_suite_one_option())
proc_eng.execute_current()
proc_eng.proceed()
assert proc_eng.current_procedure_id == 'p2'
assert proc_eng.current_step.step_id == 's3'
def test_execute_custom_action():
plumb_eng = one_component_engine()
proc_eng = top.ProceduresEngine(plumb_eng)
action = top.StateChangeAction('c1', 'closed')
assert plumb_eng.current_state('c1') == 'open'
proc_eng.execute(action)
assert plumb_eng.current_state('c1') == 'closed'
misc_action = top.MiscAction('Approach the tower')
proc_eng.execute(misc_action)
assert plumb_eng.current_state('c1') == 'closed'
def test_step_advances_time_equally():
managed_eng = one_component_engine()
managed_eng.set_component_state('c1', 'open')
unmanaged_eng = copy.deepcopy(managed_eng)
proc_eng = top.ProceduresEngine(managed_eng, single_procedure_suite())
assert managed_eng.current_pressures() == unmanaged_eng.current_pressures()
proc_eng.step_time(1e6)
unmanaged_eng.step(1e6)
assert managed_eng.current_pressures() == unmanaged_eng.current_pressures()
def test_next_step():
plumb_eng = one_component_engine()
proc_eng = top.ProceduresEngine(plumb_eng, single_procedure_suite())
assert proc_eng.current_step.step_id == 's1'
assert plumb_eng.current_state('c1') == 'open'
proc_eng.next_step()
assert proc_eng.current_step.step_id == 's1'
assert plumb_eng.current_state('c1') == 'closed'
proc_eng.next_step()
assert proc_eng.current_step.step_id == 's2'
assert plumb_eng.current_state('c1') == 'open'
proc_eng.next_step()
assert proc_eng.current_step.step_id == 's2'
assert plumb_eng.current_state('c1') == 'open'
def test_step_updates_conditions():
plumb_eng = one_component_engine()
plumb_eng.set_component_state('c1', 'open')
s1 = top.ProcedureStep('s1', None, [(top.Less(1, 75), 's2')], 'PRIMARY')
proc = top.Procedure('p1', [s1])
proc_suite = top.ProcedureSuite([proc], 'p1')
proc_eng = top.ProceduresEngine(plumb_eng, proc_suite)
proc_eng.execute_current()
assert proc_eng.ready_to_proceed() is False
proc_eng.step_time(1e6)
assert proc_eng.ready_to_proceed() is True
def test_execute_current():
plumb_eng = one_component_engine()
proc_eng = top.ProceduresEngine(plumb_eng, single_procedure_suite())
assert proc_eng.current_step.step_id == 's1'
assert proc_eng.step_position == top.StepPosition.Before
assert plumb_eng.current_state('c1') == 'open'
proc_eng.execute_current()
assert proc_eng.current_step.step_id == 's1'
assert proc_eng.step_position == top.StepPosition.After
assert plumb_eng.current_state('c1') == 'closed'
proc_eng.execute_current() # No effect; engine is in a post-node
assert proc_eng.current_step.step_id == 's1'
assert proc_eng.step_position == top.StepPosition.After
assert plumb_eng.current_state('c1') == 'closed'
def test_reset():
plumb_eng = one_component_engine()
proc_eng = top.ProceduresEngine(plumb_eng,
branching_procedure_suite_one_option())
assert proc_eng.current_procedure_id == 'p1'
assert proc_eng.current_step.step_id == 's1'
assert plumb_eng.current_state('c1') == 'open'
proc_eng.next_step()
assert proc_eng.current_procedure_id == 'p1'
assert proc_eng.current_step.step_id == 's1'
assert plumb_eng.current_state('c1') == 'closed'
proc_eng.next_step()
assert proc_eng.current_procedure_id == 'p2'
assert proc_eng.current_step.step_id == 's3'
assert plumb_eng.current_state('c1') == 'open'
proc_eng.reset()
assert proc_eng.current_procedure_id == 'p1'
assert proc_eng.current_step.step_id == 's1'
assert plumb_eng.current_state('c1') == 'open'
def test_transitions_respects_procedure_identifier():
plumb_eng = one_component_engine()
action = top.MiscAction('Do nothing')
s1 = top.ProcedureStep(
's1', action, [(NeverSatisfied(), top.Transition('p1', 'same_name')),
(top.Immediate(), top.Transition('p2', 'same_name'))],
'PRIMARY')
same_name_1 = top.ProcedureStep('same_name', action, [], 'PRIMARY')
same_name_2 = top.ProcedureStep('same_name', action, [], 'PRIMARY')
proc_1 = top.Procedure('p1', [s1, same_name_1])
proc_2 = top.Procedure('p2', [same_name_2])
proc_suite = top.ProcedureSuite([proc_1, proc_2], 'p1')
proc_eng = top.ProceduresEngine(plumb_eng, proc_suite)
proc_eng.execute_current()
assert proc_eng.current_procedure_id == 'p1'
assert proc_eng.current_step.step_id == 's1'
proc_eng.next_step()
assert proc_eng.current_procedure_id == 'p2'
assert proc_eng.current_step.step_id == 'same_name'
def test_load_suite():
p1s1 = top.ProcedureStep('p1s1',
top.StateChangeAction('injector_valve', 'open'),
[], 'PRIMARY')
suite_1 = top.ProcedureSuite([top.Procedure('p1', [p1s1])], 'p1')
p2s1 = top.ProcedureStep('p2s1',
top.StateChangeAction('injector_valve', 'closed'),
[], 'SECONDARY')
suite_2 = top.ProcedureSuite([top.Procedure('p2', [p2s1])], 'p2')
proc_eng = top.ProceduresEngine(None, suite_1)
assert proc_eng._suite == suite_1
assert proc_eng.current_procedure_id == 'p1'
assert proc_eng.current_step == p1s1
assert proc_eng.step_position == top.StepPosition.Before
proc_eng.load_suite(suite_2)
assert proc_eng._suite == suite_2
assert proc_eng.current_procedure_id == 'p2'
assert proc_eng.current_step == p2s1
assert proc_eng.step_position == top.StepPosition.Before
def test_ready_to_proceed_no_options():
proc_eng = top.ProceduresEngine(None,
branching_procedure_suite_no_options())
proc_eng.execute_current()
assert proc_eng.ready_to_proceed() is False
def test_ready_to_proceed_one_is_enough():
proc_eng = top.ProceduresEngine(None,
branching_procedure_suite_one_option())
proc_eng.execute_current()
assert proc_eng.ready_to_proceed() is True
def test_ready_to_proceed_if_condition_satisfied():
proc_eng = top.ProceduresEngine(None, single_procedure_suite())
proc_eng.execute_current()
assert proc_eng.ready_to_proceed() is True
def test_ready_to_proceed_requires_post():
proc_eng = top.ProceduresEngine(None, single_procedure_suite())
assert proc_eng.ready_to_proceed() is False