def test_3_2_6_3_when_rejected():
"""
Testing return of pending promises to make
sure they are properly chained.
This covers the case where the root promise
is rejected after the chaining is defined.
"""
p1 = Promise()
pending = Promise()
pr = p1.then(None, lambda r: pending)
assert pending.isPending()
assert pr.isPending()
p1.reject("Error")
pending.fulfill(10)
assert pending.isFulfilled()
assert_equals(10, pending.value)
assert pr.isFulfilled()
assert_equals(10, pr.value)
p2 = Promise()
bad = Promise()
pr = p2.then(None, lambda r: bad)
assert bad.isPending()
assert pr.isPending()
p2.reject("Error")
bad.reject("Assertion")
assert bad.isRejected()
assert_equals("Assertion", bad.reason)
assert pr.isRejected()
assert_equals("Assertion", pr.reason)
def handle_request(self, request):
request_indication = map_request_to_request_indication(request)
#TODO: "check authorization of requestingEntity based on default access rights"
p = Promise()
if request_indication.method != "retrieve":
return p.reject(SCLMethodNotAllowed(request_indication.method))
path = urlparse(request_indication.path).path
channel_id = path[len(PREFIX) + 1:]
try:
notification, content_type = self.queues[channel_id].popleft()
except KeyError:
self.logger.info("Polling on unknown channel: %s", channel_id)
return p.reject(SCLNotFound(path))
except IndexError:
#TODO: handle timeouts
self.waiting[channel_id].append(p)
else:
response_confirmation = RetrieveResponseConfirmation(
notification, content_type)
response = map_response_confirmation_to_response(
request, response_confirmation)
p.fulfill(response)
self.logger.debug("Returning channel promise: %s", p.isPending())
return p
def test_list_promise_when():
p1 = Promise()
p2 = Promise()
pl = listPromise(p1, p2)
assert p1.isPending()
assert p2.isPending()
assert pl.isPending()
p1.fulfill(5)
assert p1.isFulfilled()
assert p2.isPending()
assert pl.isPending()
p2.fulfill(10)
assert p1.isFulfilled()
assert p2.isFulfilled()
assert pl.isFulfilled()
assert_equals(5, p1.value)
assert_equals(10, p2.value)
assert_equals(5, pl.value[0])
assert_equals(10, pl.value[1])
def test_dict_promise_if():
p1 = Promise()
p2 = Promise()
d = {"a": p1, "b": p2}
pd = dictPromise(d)
assert p1.isPending()
assert p2.isPending()
assert pd.isPending()
p1.fulfill(5)
assert p1.isFulfilled()
assert p2.isPending()
assert pd.isPending()
p2.fulfill(10)
assert p1.isFulfilled()
assert p2.isFulfilled()
assert pd.isFulfilled()
assert_equals(5, p1.value)
assert_equals(10, p2.value)
assert_equals(5, pd.value["a"])
assert_equals(10, pd.value["b"])
