def test_parse_steps_with_complex_comparisons(): proclang = ''' main: 1. PRIMARY: set injector_valve to open 2. PRIMARY: [p1 < 100 and p2 > 200] set vent_valve to closed 3. SECONDARY: [p1 > 100 or p2 < 200] set vent_valve to open 4. SECONDARY: [(p1 <= 100)] set vent_valve to closed 5. OPS: [p1 < 100 or p2 > 200 and p3 < 100] set vent_valve to open 6. OPS: [p1 < 100 and p2 > 200 or p3 < 100] set vent_valve to open 7. OPS: [(p1 < 100 or p2 > 200) and p3 < 100] set vent_valve to closed ''' suite = top.proclang.parse(proclang) comp_and = top.And([top.Less('p1', 100), top.Greater('p2', 200)]) comp_or = top.Or([top.Greater('p1', 100), top.Less('p2', 200)]) comp_and_or_1 = top.Or([ top.Less('p1', 100), top.And([top.Greater('p2', 200), top.Less('p3', 100)]) ]) comp_and_or_2 = top.Or([ top.And([top.Less('p1', 100), top.Greater('p2', 200)]), top.Less('p3', 100) ]) comp_and_or_3 = top.And([ top.Or([top.Less('p1', 100), top.Greater('p2', 200)]), top.Less('p3', 100) ]) expected_suite = top.ProcedureSuite([ top.Procedure('main', [ top.ProcedureStep( '1', top.StateChangeAction('injector_valve', 'open'), [(comp_and, top.Transition('main', '2'))], 'PRIMARY'), top.ProcedureStep( '2', top.StateChangeAction('vent_valve', 'closed'), [(comp_or, top.Transition('main', '3'))], 'PRIMARY'), top.ProcedureStep('3', top.StateChangeAction( 'vent_valve', 'open'), [(top.LessEqual( 'p1', 100), top.Transition('main', '4'))], 'SECONDARY'), top.ProcedureStep( '4', top.StateChangeAction('vent_valve', 'closed'), [(comp_and_or_1, top.Transition('main', '5'))], 'SECONDARY'), top.ProcedureStep('5', top.StateChangeAction('vent_valve', 'open'), [(comp_and_or_2, top.Transition('main', '6'))], 'OPS'), top.ProcedureStep('6', top.StateChangeAction('vent_valve', 'open'), [(comp_and_or_3, top.Transition('main', '7'))], 'OPS'), top.ProcedureStep('7', top.StateChangeAction( 'vent_valve', 'closed'), [], 'OPS') ]) ]) assert suite == expected_suite
def test_greater_condition_less(): cond = top.Greater('A1', 100) state = {'pressures': {'A1': 99}} assert cond.satisfied() is False cond.update(state) assert cond.satisfied() is False
def test_parse_from_file(): filepath = os.path.join(os.path.dirname(__file__), 'example.proc') suite = top.proclang.parse_from_file(filepath) expected_suite = top.ProcedureSuite([ top.Procedure('main', [ top.ProcedureStep( '1', top.StateChangeAction('series_fill_valve', 'closed'), [(top.WaitFor(5e6), top.Transition('main', '2'))], 'PRIMARY'), top.ProcedureStep( '2', top.StateChangeAction('supply_valve', 'open'), [(top.Less('p1', 600), top.Transition('abort_1', '1')), (top.Greater('p1', 1000), top.Transition('abort_2', '1')), (top.Immediate(), top.Transition('main', '3'))], 'PRIMARY'), top.ProcedureStep( '3', top.StateChangeAction('series_fill_valve', 'open'), [(top.Immediate(), top.Transition('main', '4'))], 'PRIMARY'), top.ProcedureStep( '4', top.StateChangeAction('remote_fill_valve', 'open'), [ (top.WaitFor(180e6), top.Transition('main', '5')) ], 'PRIMARY'), top.ProcedureStep( '5', top.StateChangeAction('remote_fill_valve', 'closed'), [(top.Immediate(), top.Transition('main', '6'))], 'PRIMARY'), top.ProcedureStep( '6', top.StateChangeAction('remote_vent_valve', 'open'), [(top.Immediate(), top.Transition('main', '7'))], 'PRIMARY'), top.ProcedureStep('7', top.MiscAction('Proceed with teardown'), [], 'OPS') ]), top.Procedure('abort_1', [ top.ProcedureStep( '1', top.StateChangeAction('supply_valve', 'closed'), [ (top.WaitFor(10e6), top.Transition('abort_1', '2')) ], 'SECONDARY'), top.ProcedureStep( '2', top.StateChangeAction('remote_vent_valve', 'open'), [ (top.Immediate(), top.Transition('abort_1', '3')) ], 'SECONDARY'), top.ProcedureStep('3', top.MiscAction('Proceed with teardown'), [], 'OPS') ]), top.Procedure('abort_2', [ top.ProcedureStep( '1', top.StateChangeAction('supply_valve', 'closed'), [ (top.Immediate(), top.Transition('abort_2', '2')) ], 'CONTROL'), top.ProcedureStep( '2', top.StateChangeAction('line_vent_valve', 'open'), [ (top.Immediate(), top.Transition('abort_2', '3')) ], 'CONTROL'), top.ProcedureStep('3', top.MiscAction('Proceed with teardown'), [], 'OPS') ]), ]) assert suite == expected_suite
def test_comparison_equality(): c1 = top.Less('a1', 100) c2 = top.Less('a1', 100) # same c3 = top.Less('b2', 100) # different node c4 = top.Less('a1', 200) # different reference c5 = top.Greater('a1', 100) # different type assert c1 == c2 assert c1 != c3 assert c1 != c4 assert c1 != c5
def test_string_representations(): immediate_cond = top.Immediate() waitFor_cond = top.WaitFor(1000000) equal_cond = top.Equal('A1', 100) less_cond = top.Less('A2', 100) greater_cond = top.Greater('A3', 100) lessEqual_cond = top.LessEqual('A4', 100) greaterEqual_cond = top.GreaterEqual('A5', 100) and_cond = top.And([less_cond, greater_cond]) or_cond = top.Or([lessEqual_cond, greaterEqual_cond]) assert str(immediate_cond) == 'Immediately' assert str(waitFor_cond) == 'Wait for 1 seconds' assert str(equal_cond) == 'A1 == 100' assert str(less_cond) == 'A2 < 100' assert str(greater_cond) == 'A3 > 100' assert str(lessEqual_cond) == 'A4 <= 100' assert str(greaterEqual_cond) == 'A5 >= 100' assert str(and_cond) == '(A2 < 100 and A3 > 100)' assert str(or_cond) == '(A4 <= 100 or A5 >= 100)'
def test_parse_steps_with_comparisons(): proclang = ''' main: 1. PRIMARY: set injector_valve to open 2. PRIMARY: [p1 < 100] set vent_valve to closed 3. PRIMARY: [p1 > 100] set vent_valve to open 4. PRIMARY: [p1 <= 100] set vent_valve to closed 5. SECONDARY: [p1 >= 100] set vent_valve to open 6. SECONDARY: [p1 == 100] set vent_valve to closed ''' suite = top.proclang.parse(proclang) expected_suite = top.ProcedureSuite([ top.Procedure('main', [ top.ProcedureStep( '1', top.StateChangeAction('injector_valve', 'open'), [ (top.Less('p1', 100), top.Transition('main', '2')) ], 'PRIMARY'), top.ProcedureStep('2', top.StateChangeAction( 'vent_valve', 'closed'), [(top.Greater( 'p1', 100), top.Transition('main', '3'))], 'PRIMARY'), top.ProcedureStep('3', top.StateChangeAction( 'vent_valve', 'open'), [(top.LessEqual( 'p1', 100), top.Transition('main', '4'))], 'PRIMARY'), top.ProcedureStep('4', top.StateChangeAction( 'vent_valve', 'closed'), [(top.GreaterEqual( 'p1', 100), top.Transition('main', '5'))], 'PRIMARY'), top.ProcedureStep('5', top.StateChangeAction( 'vent_valve', 'open'), [(top.Equal( 'p1', 100), top.Transition('main', '6'))], 'SECONDARY'), top.ProcedureStep('6', top.StateChangeAction( 'vent_valve', 'closed'), [], 'SECONDARY') ]) ]) assert suite == expected_suite