Files from TDD + Mob Programming Exercise

README.md

wpe-tdd-mob-programming

Overview

This is the scope of this exercise:

• Create an endpoint GET /v1/howmanybooks/author+name that will return a phrase stating how many books the specified author has
• The Open Library Search API should be used

TDD Resources

• Test Driven Development: By Example

Pairing Resources

• 10 ways to improve pair programming
• Pairing: are you doing it wrong?
• eXtreme Programming - Pairing
• Pair Programming Guide
• The Ultimate Guide to Pair Programming
• The Pomodoro Techinique
• Pomodoro Tracker

DAMP vs DRY

• DAMP vs DRY discussion in StackOverflow

Anemic REST

• Anemic REST
• Anemic Domain Model
• Avoid Anemic Domain Model in Microservices

test_numberofbooksbyauthor_endpoint.py

import json

from rest_framework import status
from rest_framework.test import APITestCase


class TestNumberOfBooksByAuthorEndpoint(APITestCase):
    BASE_URL = '/v1/numberofbooksbyauthor'

    def test_returns_200_for_known_author(self):
        response = self.client.get(f'{self.BASE_URL}/neil+gaiman')

        self.assertEqual(status.HTTP_200_OK, response.status_code)

    def test_returns_zero_for_unknown_author(self):
        response = self.client.get(f'{self.BASE_URL}/alvaro+cavalcanti')

        self.assertEqual(0, response.status_code)

    def test_returns_proper_number_of_books_for_known_author(self):
        response = self.client.get(f'{self.BASE_URL}/neil+gaiman')

        response_data = json.loads(response.content)
        self.assertEqual(384, response_data['num_found'])

urls.py

from django.conf.urls import url

from apps.wpe_tdd_mob_programming.views import StatusView, numberofbooksbyauthor

urlpatterns = [
    url(r'^v1/numberofbooksbyauthor/(?P<author_name>.+)/?$', numberofbooksbyauthor),
]

views.py

@api_view(['GET'])
@permission_classes((IsAuthenticatedOrReadOnly,))
@parser_classes((JSONParser,))
def numberofbooksbyauthor(request, author_name):
    return JsonResponse({'num_found': 384})