[chores] Updated drf-yasg dependency to also install coreapi openwisp…

…#341

- Added test for swagger docs

Related to openwisp#341

setup.py

@@ -59,7 +59,13 @@
         'rest': [
             'djangorestframework~=3.14.0',
             'django-filter~=23.2',  # django-filter uses CalVer
-            'drf-yasg~=1.21.0',
+            # The coreapi package is archived and all packages
+            # are moving away from coreapi (e.g. DRF, django-filter, drf-yasg).
+            # There's already an open PR in drf-yasg
+            # https://github.com/axnsan12/drf-yasg/pull/857.
+            # TODO: Before releasing, check if newer version
+            # of drf-yasg is available.
+            'drf-yasg[coreapi]~=1.21.0',
         ],
         'celery': ['celery~=5.3.0'],
         'selenium': ['selenium~=4.10.0'],

tests/test_project/tests/test_integrations.py

@@ -0,0 +1,10 @@
+from django.test import TestCase
+from django.urls import reverse
+
+from . import AdminTestMixin
+
+
+class TestIntegrations(AdminTestMixin, TestCase):
+    def test_swagger_api_docs(self):
+        response = self.client.get(reverse('schema-swagger-ui'), {'format': 'openapi'})
+        self.assertEqual(response.status_code, 200)