def test_tolerance_value_negative_throw_exception(self):
test_tolerance_millis = -1
with self.assertRaises(VerificationException) as exc:
self.timestamp_verifier = TimestampVerifier(
tolerance_in_millis=test_tolerance_millis)
self.assertIn("Negative tolerance values not supported",
str(exc.exception))
def test_tolerance_value_within_range_valid(self):
test_tolerance_millis = MAX_NORMAL_REQUEST_TOLERANCE_IN_MILLIS + 1
try:
self.timestamp_verifier = TimestampVerifier(
tolerance_in_millis=test_tolerance_millis)
except:
# Should never reach here
self.fail("Timestamp verifier fails initialization with valid "
"tolerance value")
def test_tolerance_value_more_than_max_throw_exception(self):
test_tolerance_millis = MAX_TIMESTAMP_TOLERANCE_IN_MILLIS + 1
with self.assertRaises(VerificationException) as exc:
self.timestamp_verifier = TimestampVerifier(
tolerance_in_millis=test_tolerance_millis)
self.assertIn(
"Provided tolerance value {} exceeds the maximum allowed "
"value".format(test_tolerance_millis), str(exc.exception))
def test_timestamp_verification_with_expired_timestamp(self):
test_request_envelope = RequestEnvelope(request=IntentRequest(
timestamp=datetime(year=2019, month=1, day=1, tzinfo=tzutc())))
self.timestamp_verifier = TimestampVerifier()
with self.assertRaises(VerificationException) as exc:
self.timestamp_verifier.verify(
headers={},
serialized_request_env="",
deserialized_request_env=test_request_envelope)
self.assertIn("Timestamp verification failed", str(exc.exception))
def test_timestamp_verification_with_valid_timestamp(self):
test_request_envelope = RequestEnvelope(request=IntentRequest(
timestamp=datetime.now(tz=tzlocal())))
self.timestamp_verifier = TimestampVerifier()
try:
self.timestamp_verifier.verify(
headers={},
serialized_request_env="",
deserialized_request_env=test_request_envelope)
except:
# Should never reach here
raise self.fail(
"Timestamp verification failed for a valid input request")
def test_timestamp_verification_with_valid_future_server_timestamp(self):
valid_tolerance = int(DEFAULT_TIMESTAMP_TOLERANCE_IN_MILLIS / 2 / 1000)
valid_future_datetime = datetime.now(
tzutc()) + timedelta(seconds=valid_tolerance)
test_request_envelope = RequestEnvelope(request=IntentRequest(
timestamp=valid_future_datetime))
self.timestamp_verifier = TimestampVerifier()
try:
self.timestamp_verifier.verify(
headers={},
serialized_request_env="",
deserialized_request_env=test_request_envelope)
except:
# Should never reach here
raise self.fail(
"Timestamp verification failed for a valid input request")
def test_timestamp_verification_with_expired_timestamp_skill_event(self):
test_request_envelope = RequestEnvelope(request=SkillEnabledRequest(
timestamp=datetime(year=2020,
month=1,
day=1,
hour=0,
minute=0,
second=0,
tzinfo=tzutc())))
self.timestamp_verifier = TimestampVerifier()
with self.assertRaises(VerificationException) as exc:
self.timestamp_verifier.verify(
headers={},
serialized_request_env="",
deserialized_request_env=test_request_envelope)
self.assertIn("Timestamp verification failed", str(exc.exception))
def test_timestamp_verification_with_valid_timestamp_skill_event(self):
test_request_envelope = RequestEnvelope(request=SkillEnabledRequest(
timestamp=datetime(year=2020,
month=1,
day=1,
hour=0,
minute=0,
second=0,
tzinfo=tzutc())))
self.timestamp_verifier = TimestampVerifier()
try:
self.timestamp_verifier.verify(
headers={},
serialized_request_env="",
deserialized_request_env=test_request_envelope)
except:
# Should never reach here
raise self.fail(
"Timestamp verification failed for a valid skill event input request"
)
def test_tolerance_value_more_than_max_throw_warning(self):
test_tolerance_millis = MAX_NORMAL_REQUEST_TOLERANCE_IN_MILLIS + 1
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
self.timestamp_verifier = TimestampVerifier(
tolerance_in_millis=test_tolerance_millis)
self.assertTrue(
len(w) == 1, "Timestamp verifier fails throwing warning when "
"tolerance values exceeds maximum supported "
"tolerance value")
self.assertIn(
"Provided tolerance value {} exceeds the maximum allowed value"
.format(test_tolerance_millis), str(w[0].message),
"Timestamp verifier throws unexpected warning when tolerance "
"value exceeds maximum supported tolerance value")
self.assertEqual(
self.timestamp_verifier._tolerance_in_millis,
MAX_NORMAL_REQUEST_TOLERANCE_IN_MILLIS,
"Timestamp verifier initialized incorrect tolerance value "
"when provided tolerance value exceeds maximum supported "
"tolerance value")