def test_7th_floor_never_reached_fails(self):
tested = Interpreter(io.import_from_yaml(open('docs/examples/elevator.yaml')))
story = Story([Event('floorSelected', floor=4), Pause(2), Event('floorSelected', floor=7)])
trace = story.tell(tested).trace
test_story = teststory_from_trace(trace)
tester = Interpreter(io.import_from_yaml(open('docs/examples/tester_elevator_7th_floor_never_reached.yaml')))
self.assertFalse(test_story.tell(tester).final)
def test_7th_floor_never_reached_fails(self):
story = Story([Event('floorSelected', floor=4), Pause(2), Event('floorSelected', floor=7)])
trace = story.tell(self.tested) # self.tested is an interpreter for our elevator
test_story = teststory_from_trace(trace)
with open('docs/examples/elevator/tester_elevator_7th_floor_never_reached.yaml') as f:
tester = Interpreter(io.import_from_yaml(f))
test_story.tell(tester)
self.assertTrue(tester.final)
def test_tell(self):
story = Story([Event('goto s2'), Pause(5), Event('goto final')])
with open('tests/yaml/simple.yaml') as f:
sc = io.import_from_yaml(f)
interpreter = Interpreter(sc)
trace = story.tell(interpreter)
self.assertTrue(interpreter.final)
self.assertEqual(interpreter.time, 5)
self.assertEqual(len(trace), 4)
def test_tell(self):
story = Story([Event('goto s2'), Pause(5), Event('goto final')])
with open('tests/yaml/simple.yaml') as f:
sc = io.import_from_yaml(f)
interpreter = Interpreter(sc)
trace = story.tell(interpreter)
self.assertTrue(interpreter.final)
self.assertEqual(interpreter.time, 5)
self.assertEqual(len(trace), 4)
def test_7th_floor_never_reached(self):
story = Story([Event('floorSelected', floor=8)])
trace = story.tell(
self.tested) # self.tested is an interpreter for our elevator
test_story = teststory_from_trace(trace)
with open('docs/examples/tester_elevator_7th_floor_never_reached.yaml'
) as f:
tester = Interpreter(io.import_from_yaml(f))
test_story.tell(tester)
self.assertFalse(tester.final)
def test_tell_by_step(self):
story = Story([Event('goto s2'), Pause(5), Event('goto final')])
with open('tests/yaml/simple.yaml') as f:
sc = io.import_from_yaml(f)
interpreter = Interpreter(sc)
teller = story.tell_by_step(interpreter)
self.assertEqual(Event('goto s2'), next(teller)[0])
self.assertEqual(Pause(5), next(teller)[0])
self.assertEqual(Event('goto final'), next(teller)[0])
with self.assertRaises(StopIteration):
next(teller)
self.assertTrue(interpreter.final)
self.assertEqual(interpreter.time, 5)
def test_storycreation(self):
story = Story()
story.append(Event('a'))
story.append(Event('b'))
story.append(Pause(10))
story.append(Event('c'))
self.assertEqual(len(story), 4)
def test_tell_by_step(self):
story = Story([Event('goto s2'), Pause(5), Event('goto final')])
with open('tests/yaml/simple.yaml') as f:
sc = io.import_from_yaml(f)
interpreter = Interpreter(sc)
teller = story.tell_by_step(interpreter)
self.assertEqual(Event('goto s2'), next(teller)[0])
self.assertEqual(Pause(5), next(teller)[0])
self.assertEqual(Event('goto final'), next(teller)[0])
with self.assertRaises(StopIteration):
next(teller)
self.assertTrue(interpreter.final)
self.assertEqual(interpreter.time, 5)
def test_storycreation(self):
story = Story()
story.append(Event('a'))
story.append(Event('b'))
story.append(Pause(10))
story.append(Event('c'))
self.assertEqual(len(story), 4)
def test_elevator_moves_after_10s(self):
stories = [
Story([Event('floorSelected', floor=4)]),
Story([Event('floorSelected', floor=0)]),
Story([Event('floorSelected', floor=4),
Pause(10)]),
Story([Event('floorSelected', floor=0),
Pause(10)]),
Story([Event('floorSelected', floor=4),
Pause(9)]),
Story([Event('floorSelected', floor=0),
Pause(9)]),
]
for story in stories:
with self.subTest(story=story):
# Reopen because we need to reset it
with open('docs/examples/elevator.yaml') as f:
sc = io.import_from_yaml(f)
tested = Interpreter(sc)
test_story = teststory_from_trace(story.tell(tested))
with open('docs/examples/tester_elevator_moves_after_10s.yaml'
) as f:
tester = Interpreter(io.import_from_yaml(f))
test_story.tell(tester)
self.assertFalse(tester.final)
def teststory_from_trace(trace: list) -> Story:
"""
Return a test story based on the given *trace*, a list of macro steps.
See documentation to see which are the events that are generated.
Notice that this function adds a *pause* if there is any delay between pairs of consecutive steps.
:param trace: a list of *MacroStep* instances
:return: A story
"""
story = Story()
story.append(Event('execution started'))
time = 0
for macrostep in trace:
if macrostep.time > time:
story.append(Pause(macrostep.time - time))
story.extend(_teststory_from_macrostep(macrostep))
time = macrostep.time
story.append(Event('execution stopped'))
return story
def __execute_once(self, *args, **kwargs) -> MacroStep:
# Execute tester
time = self._tested.time
step = self._tested_execute_once_function(*args, **kwargs) # type: ignore
story = _teststory_from_macrostep(step) if step else Story()
# Send to testers
for tester in self._testers:
tester.time = time
story.tell(tester)
return step
def test_simple(self):
with open('tests/yaml/simple.yaml') as f:
sc = io.import_from_yaml(f)
interpreter = Interpreter(sc)
trace = Story([Pause(2), Event('goto s2'), Pause(3)]).tell(interpreter)
story = teststory_from_trace(trace)
expected = Story([
Event('execution started'),
Pause(2),
Event('step started'),
Event('state entered', state='root'),
Event('state entered', state='s1'),
Event('step ended'),
Event('step started'),
Event('event consumed', event=Event('goto s2')),
Event('state exited', state='s1'),
Event('transition processed',
source='s1',
target='s2',
event=Event('goto s2')),
Event('state entered', state='s2'),
Event('step ended'),
Event('step started'),
Event('state exited', state='s2'),
Event('transition processed', source='s2', target='s3',
event=None),
Event('state entered', state='s3'),
Event('step ended'),
Event('execution stopped')
])
for a, b in zip(story, expected):
self.assertEqual(a, b)
if isinstance(a, Event):
self.assertEqual(a.data.items(), b.data.items())
else:
self.assertEqual(a.duration, b.duration)
def teststory_from_trace(trace: list) -> Story:
"""
Return a test story based on the given *trace*, a list of macro steps.
See documentation to see which are the events that are generated.
Notice that this function adds a *pause* if there is any delay between pairs of consecutive steps.
:param trace: a list of *MacroStep* instances
:return: A story
"""
story = Story()
story.append(Event('execution started'))
time = 0
for macrostep in trace:
if macrostep.time > time:
story.append(Pause(macrostep.time - time))
story.extend(_teststory_from_macrostep(macrostep))
time = macrostep.time
story.append(Event('execution stopped'))
return story
def _teststory_from_macrostep(macrostep: MacroStep) -> Story:
story = Story()
story.append(Event('step started'))
if macrostep.event:
story.append(Event('event consumed', event=macrostep.event))
for microstep in macrostep.steps:
for state in microstep.exited_states:
story.append(Event('state exited', state=state))
if microstep.transition:
story.append(Event('transition processed', source=microstep.transition.source,
target=microstep.transition.target,
event=macrostep.event))
for state in microstep.entered_states:
story.append(Event('state entered', state=state))
story.append(Event('step ended'))
return story
def setUp(self):
self.story = Story(
[Event('a'),
Event('b'),
Event('c'),
Pause(1), Pause(2)])
def _teststory_from_macrostep(macrostep: MacroStep) -> Story:
story = Story()
story.append(Event('step started'))
if macrostep.event:
story.append(Event('event consumed', event=macrostep.event))
for microstep in macrostep.steps:
for state in microstep.exited_states:
story.append(Event('state exited', state=state))
if microstep.transition:
story.append(Event('transition processed', source=microstep.transition.source,
target=microstep.transition.target,
event=macrostep.event))
for state in microstep.entered_states:
story.append(Event('state entered', state=state))
story.append(Event('step ended'))
return story
