update urls and add test cases

oxfordpython/tests.py

@@ -0,0 +1,17 @@
+from django.test import Client
+from django.test import TestCase
+
+class UrlRouteTests(TestCase):
+
+    def setup(self):
+        self.client = Client()
+
+    def test_home_page_is_accessible(self):
+        # tests that '' response is 200
+        response = self.client.get('')
+        self.assertIs(response.status_code, 200)
+
+    def test_admin_page_is_accessible(self):
+        # tests that 'admin/' response is 200
+        response = self.client.get('admin/')
+        self.assertIs(response.status_code, 200) 

oxfordpython/urls.py

@@ -1,9 +1,9 @@
-from django.conf.urls import url
+from django.urls import path
 from django.contrib import admin
 
 from .main import views as main_views
 
 urlpatterns = [
-    url(r'^admin/', admin.site.urls),
-    url(r'^$', main_views.HomeView.as_view(), name='home'),
+    path('admin/', admin.site.urls),
+    path('', main_views.HomeView.as_view(), name='home'),
 ]