from rest_framework import status
from rest_framework.reverse import reverse
from rest_framework.test import APITestCase

from api.tests.api.utils import make_user


class TestUserAPI(APITestCase):

    @classmethod
    def setUpTestData(cls):
        cls.user = make_user(username='bob')
        cls.url = reverse(viewname='user_list')

    def test_allows_authenticated_user_to_get_users(self):
        self.client.force_login(self.user)
        response = self.client.get(self.url)
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(len(response.data), 1)
        self.assertEqual(response.data[0]['username'], self.user.username)

    def test_denies_unauthenticated_user_to_get_users(self):
        response = self.client.get(self.url)
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)


class TestMeAPI(APITestCase):

    @classmethod
    def setUpTestData(cls):
        cls.user = make_user(username='bob')
        cls.url = reverse(viewname='me')

    def test_return_own_information(self):
        self.client.force_login(self.user)
        response = self.client.get(self.url)
        self.assertEqual(response.data['id'], self.user.id)
        self.assertEqual(response.data['username'], self.user.username)

    def test_does_not_return_information_to_unauthenticated_user(self):
        response = self.client.get(self.url)
        self.assertEqual(response.status_code, status.HTTP_403_FORBIDDEN)