def handler(event, context):
"""The central handler response to invocations from event sources. For this
function these come from the API Gateway
Arguments:
event {dict} -- Dictionary containing contents of the event that
invoked the function, primarily the payload of data to be processed.
context {LambdaContext} -- An object containing metadata describing
the event source and client details.
Raises:
InvalidExecutionType -- Raised when GET parameters are missing or are
malformed.
Returns:
[dict] -- An object that is returned to the service that
originated the API call to the API gateway.
"""
logger.info('Starting Lambda Execution')
logger.debug(event)
try:
isbn = event['queryStringParameters']['isbn']
except KeyError:
logger.error('Missing required lookup ISBN parameter')
raise InvalidExecutionType('isbn parameter required')
unglued = Unglueit(isbn)
try:
unglued.validate()
returnObj = unglued.fetchSummary()
except UnglueError as err:
logger.error(err)
returnObj = Unglueit.formatResponse(err.status, {
'match': False,
'message': err.message
})
return returnObj
def test_validate_invalid_characters(self):
validateTest = Unglueit('fake iSBN 978xxxxx')
with self.assertRaises(UnglueError):
validateTest.validate()
def test_validate_invalid_character_count(self):
validateTest = Unglueit('999999999')
with self.assertRaises(UnglueError):
validateTest.validate()
def test_validate_isbn13(self, mock_isbn13):
validateTest = Unglueit('978-99-999-9999-9')
validateTest.validate()
mock_isbn13.assert_called_once_with('9789999999999')