def test_high_debt(self):
self.request_.customer_debt = 501
response_ = PolicyValidationService(self.request_, self.base_config).run().as_dict()
self.assertEqual(ResponseResult.REJECT.value, response_.get('result'))
self.assertEqual(1, len(response_.get('reasons')))
self.assertEqual('HIGH_DEBT_FOR_INCOME', response_.get('reasons')[0])
def test_low_income(self):
self.request_.customer_income = 499.99
self.request_.customer_debt = 0.0
response_ = PolicyValidationService(self.request_, self.base_config).run().as_dict()
self.assertEqual(ResponseResult.REJECT.value, response_.get('result'))
self.assertEqual(1, len(response_.get('reasons')))
self.assertEqual('LOW_INCOME', response_.get('reasons')[0])
def test_all_failure_reasons(self):
self.request_ = PolicyValidationRequest(customer_income=499.99,
customer_debt=500,
payment_remarks_12m=1,
payment_remarks=2,
customer_age=17)
response_ = PolicyValidationService(self.request_, self.base_config).run().as_dict()
self.assertEqual(ResponseResult.REJECT.value, response_.get('result'))
self.assertEqual(5, len(response_.get('reasons')))
self.assertEqual('LOW_INCOME', response_.get('reasons')[0])
self.assertEqual('HIGH_DEBT_FOR_INCOME', response_.get('reasons')[1])
self.assertEqual('PAYMENT_REMARKS_12M', response_.get('reasons')[2])
self.assertEqual('PAYMENT_REMARKS', response_.get('reasons')[3])
self.assertEqual('UNDERAGE', response_.get('reasons')[4])
def validate():
"""
API endpoint to validate the customer details based on the defined credit policies.
Sample Request:
{
"customer_income": 1000,
"customer_debt": 500,
"payment_remarks_12m": 0,
"payment_remarks": 1,
"customer_age": 18
}
Sample Response:
{
"reasons": [],
"result": "ACCEPT"
}
"""
try:
request_ = PolicyValidationRequest.from_dict(
request.get_json(force=True))
validation_config = read_yaml(os.environ['VALIDATION_CONFIG_PATH'])
response_ = PolicyValidationService(request_, validation_config).run()
return response_.as_dict(), 200
except (KeyError, ValueError):
# KeyError will be raised if any of the mandatory keys are absent in the request
# ValueError will be raised if any of the request attribute values can't be cast into their data type
# The above errors indicate a bad request and thus, the status code is set to 400 here
return {
'error':
'Error parsing request. Please check the request attributes and their types.'
}, 400
except yaml.YAMLError:
return {
'error':
'Error parsing YAML file containing policy validation config.'
}, 500
def test_run_accept(self):
response_ = PolicyValidationService(self.request_, self.base_config).run().as_dict()
self.assertEqual(ResponseResult.ACCEPT.value, response_.get('result'))
self.assertEqual(0, len(response_.get('reasons')))
def test_invalid_config(self):
with self.assertRaises(yaml.YAMLError):
PolicyValidationService(self.request_, {}).run()