Fixed #23398 -- Added helpful error message when runserver is accessed via HTTPS

tests/servers/test_basehttp.py

@@ -0,0 +1,27 @@
+import sys
+
+from django.core.handlers.wsgi import WSGIRequest
+from django.core.servers.basehttp import WSGIRequestHandler
+from django.test import TestCase
+from django.test.client import RequestFactory
+from django.utils.six import BytesIO, StringIO
+
+
+class WSGIRequestHandlerTestCase(TestCase):
+    def test_https(self):
+        request = WSGIRequest(RequestFactory().get('/').environ)
+        request.makefile = lambda *args, **kwargs: BytesIO()
+
+        handler = WSGIRequestHandler(request, '192.168.0.2', None)
+
+        _stderr = sys.stderr
+        sys.stderr = StringIO()
+        try:
+            handler.log_message("GET %s %s", str('\x16\x03'), "4")
+            self.assertIn(
+                "You're accessing the developement server over HTTPS, "
+                "but it only supports HTTP.",
+                sys.stderr.getvalue()
+            )
+        finally:
+            sys.stderr = _stderr