class OrderEventType(EventType):
"""
Order event type. Models the user journey through specifying an order
for a pizza as described here:
https://globality.atlassian.net/wiki/spaces/GLOB/pages/917733426/Product+Spec+Ordering+a+Pizza
"""
# NB: Our state machines always start with an initial event
OrderInitialized = event_info(follows=nothing(), )
PizzaCreated = event_info(follows=any_of(
"OrderInitialized",
"PizzaCustomizationFinished",
), )
PizzaToppingAdded = event_info(follows=any_of(
"PizzaCreated",
"PizzaToppingAdded",
), )
PizzaCustomizationFinished = event_info(follows=any_of(
"PizzaToppingAdded", ), )
OrderDeliveryDetailsAdded = event_info(
follows=event("PizzaCustomizationFinished"), )
OrderSubmitted = event_info(follows=event("OrderDeliveryDetailsAdded"), )
OrderSatisfied = event_info(follows=event("OrderSubmitted"), )
OrderFulfilled = event_info(follows=event("OrderSubmitted"), )
class IllegalEventType(EventType):
# Event type with non valid auto transition event
CREATED = event_info()
ASSIGNED = event_info(
follows=event("CREATED"),
auto_transition=True,
)
SCHEDULED = event_info(
follows=event("CREATED"),
auto_transition=True,
)
class SimpleTestObjectEventType(EventType):
CREATED = event_info(
follows=nothing(),
accumulate=keep(),
)
READY = event_info(
follows=event("CREATED"),
accumulate=keep(),
)
DONE = event_info(
follows=event("READY"),
accumulate=keep(),
)
class AdvancedTaskEventType(Enum):
REASSIGNED = event_info(
follows=event("STARTED"),
accumulate=keep(),
requires=["assignee"],
)
RESCHEDULED = event_info(
follows=event("STARTED"),
accumulate=keep(),
requires=["deadline"],
)
REVISED = event_info(
follows=any_of("CREATED", "STARTED"),
accumulate=alias("CREATED"),
restarting=True,
)
class BasicTaskEventType(EventType):
CREATED = event_info(follows=nothing(), )
ASSIGNED = event_info(
follows=all_of("CREATED", but_not("ASSIGNED")),
accumulate=union(),
requires=["assignee"],
)
SCHEDULED = event_info(
follows=all_of("CREATED", but_not("SCHEDULED")),
accumulate=union(),
requires=["deadline"],
)
STARTED = event_info(follows=all_of("ASSIGNED", "SCHEDULED"), )
CANCELED = event_info(follows=event("STARTED"), )
COMPLETED = event_info(follows=event("STARTED"), )
ENDED = event_info(
follows=event("COMPLETED"),
auto_transition=True,
)
def test_all_of():
transition = all_of(
event("CREATED"),
event("ASSIGNED"),
)
assert_that(
bool(transition),
is_(equal_to(True)),
)
assert_that(
transition(TaskEventType,
[TaskEventType.CREATED, TaskEventType.ASSIGNED]),
is_(equal_to(True)),
)
assert_that(
transition(TaskEventType, [TaskEventType.CREATED]),
is_(equal_to(False)),
)
assert_that(
transition(TaskEventType, []),
is_(equal_to(False)),
)
class ActivityEventType(EventType):
CREATED = event_info(follows=nothing(), )
CANCELED = event_info(follows=event("CREATED"), )