Use get_or_create_remote_user from get_public_key.

fedireads/tests/test_signing.py

@@ -1,6 +1,7 @@
 import time
 from collections import namedtuple
 from urllib.parse import urlsplit
+import pathlib
 
 import json
 import responses
@@ -73,13 +74,26 @@ class Signature(TestCase):
 
     @responses.activate
     def test_remote_signer(self):
+        datafile = pathlib.Path(__file__).parent.joinpath('data/ap_user.json')
+        data = json.loads(datafile.read_bytes())
+        data['id'] = self.fake_remote.remote_id
+        data['publicKey']['publicKeyPem'] = self.fake_remote.public_key
+        del data['icon'] # Avoid having to return an avatar.
         responses.add(
             responses.GET,
             self.fake_remote.remote_id,
-            json={'publicKey': {
-                'publicKeyPem': self.fake_remote.public_key
-            }},
+            json=data,
             status=200)
+        responses.add(
+            responses.GET,
+            'https://localhost/.well-known/nodeinfo',
+            status=404)
+        responses.add(
+            responses.GET,
+            'https://example.com/user/mouse/outbox?page=true',
+            json={'orderedItems': []},
+            status=200
+        )
 
         response = self.send_test_request(sender=self.fake_remote)
         self.assertEqual(response.status_code, 200)