def math(request):
# response headers
headers = {
'Access-Control-Allow-Origin': '*',
'Access-Control-Allow-Credentials': 'true',
'Content-Type': 'application/json'
}
# grabs request payload
payload = request.json
# request payload validation
if not RequestValidator.valid(payload):
return {'error': 'invalid request payload'}, 400, headers
f_type = payload['function']
if not FunctionTypeValidator.valid(f_type):
return {'error': 'invalid function type'}, 400, headers
# data and function params validations and calculation
params = payload['data']
result = 0
if f_type == 'fibonacci':
if not SingleParamValidator.valid(params):
return {'error': 'invalid function params'}, 400, headers
result = fibonacci(params['n'])
elif f_type == 'fibonacci_naive':
if not SingleParamValidator.valid(params):
return {'error': 'invalid function params'}, 400, headers
result = fibonacci_naive(params['n'])
elif f_type == 'factorial':
if not SingleParamValidator.valid(params):
return {'error': 'invalid function params'}, 400, headers
result = factorial(params['n'])
elif f_type == 'ackermann':
if not DualParamValidator.valid(params):
return {'error': 'invalid function params'}, 400, headers
result = ackermann(params['m'], params['n'])
else:
if not DualParamValidator.valid(params):
return {'error': 'invalid function params'}, 400, headers
result = ackermann_naive(params['m'], params['n'])
return {'result': result}, 200, headers
def test_invalid_request_no_d(self):
assert not RequestValidator.valid(self._invalid_request_missing_data)
def test_invalid_request_f_type(self):
assert not RequestValidator.valid(self._invalid_request_f_type)
def test_invalid_request_no_f(self):
assert not RequestValidator.valid(
self._invalid_request_missing_function)
def test_valid_request(self):
assert RequestValidator.valid(self._valid_request)