Add some OIDC flow tests.

Enable testing for gregui, add a django config for testing.

gregui/tests/conftest.py

 import datetime
-import logging
+import time
 
+import logging
 import pytest
 
-
 from django.contrib.auth import get_user_model
 from django.utils.timezone import make_aware
 from rest_framework.authtoken.admin import User
@@ -19,12 +19,107 @@ from greg.models import (
     RoleType,
     Sponsor,
 )
+
 from gregui.models import GregUserProfile
 
 # faker spams the logs with localisation warnings
 # see https://github.com/joke2k/faker/issues/753
 logging.getLogger("faker").setLevel(logging.ERROR)
 
+# OIDC stuff
+@pytest.fixture
+def claims():
+    return {
+        "sub": "subsub",
+        "connect-userid_sec": ["feide:frank_foreleser@spusers.feide.no"],
+        "dataporten-userid_sec": [
+            # "feide:frank_foreleser@spusers.feide.no"
+        ],
+        "name": "Frank Foreleser Føllesen",
+        "email": "noreply@feide.no",
+        "email_verified": True,
+        "picture": "https://api.dataporten.no/userinfo/v1/user/media/p:2192dff7-6989-4244-83cc-ae5e78875bdd",
+    }
+
+
+@pytest.fixture
+def id_token_payload():
+    return {
+        "iss": "https://auth.dataporten.no",
+        "jti": "jtijti",
+        "aud": "lalalalala",
+        "sub": "subsub",
+        "iat": 1605174731,
+        "exp": 1605178331,
+        "auth_time": 1605174731,
+        "nonce": "noncenonce",
+    }
+
+
+@pytest.fixture
+def data():
+    return {
+        "User": {
+            "user1": {
+                "username": "user1",
+                "email": "user1@example.com",
+            },
+            "user2": {
+                "username": "user2",
+                "email": "user2@example.com",
+            },
+            "https://auth.dataporten.nosubsub": {
+                "username": "https://auth.dataporten.nosubsub",
+            },
+        },
+        "Identity": {
+            "person1": {
+                "type": "feide_id",
+                "value": "foo@example.com",
+                "person": {"last_name": "Baresen"},
+            },
+        },
+        "Person": {
+            "person1": {
+                "first_name": "Foo",
+                "last_name": "Baresen",
+            },
+        },
+        "Sponsor": {
+            "sponsor1": {
+                "first_name": "Bar",
+                "last_name": "Bazesen",
+                "feide_id": "bar@example.com",
+            },
+        },
+    }
+
+
+def save_object(model, **kwargs):
+    obj = model(**kwargs)
+    obj.save()
+    return obj
+
+
+# TODO add person and sponsor
+OBJECT_MAPPING = {
+    "greg" "person": Person,
+    "sponsor": Sponsor,
+    "user": get_user_model(),
+}
+
+
+def create_objects(cls, data):
+    objects = {}
+    for obj_name, kwargs in data.items():
+        create_kwargs = kwargs.copy()
+        for name, selector in kwargs.items():
+            if name in OBJECT_MAPPING:
+                create_kwargs[name] = OBJECT_MAPPING[name].objects.get(**selector)
+        obj = save_object(cls, **create_kwargs)
+        objects[obj_name] = obj
+    return objects
+
 
 @pytest.fixture
 def client() -> APIClient:
@@ -133,3 +228,32 @@ def invitation_link_expired(invitation, invitation_expired_date) -> InvitationLi
         invitation=invitation, expire=invitation_expired_date
     )
     return InvitationLink.objects.get(id=il.id)
+
+
+@pytest.fixture
+def greg_users(data):
+    return create_objects(get_user_model(), data["User"])
+
+
+@pytest.fixture
+def greg_persons(data):
+    return create_objects(get_user_model(), data["Person"])
+
+
+@pytest.fixture
+def greg_sponsors(data):
+    return create_objects(get_user_model(), data["Sponsor"])
+
+
+@pytest.fixture
+def log_in(client, greg_users):
+    def _log_in(username):
+        user = greg_users[username]
+        client.force_login(user=user)
+        # It seems like the session was not updated automatically this way
+        session = client.session
+        session["oidc_id_token_payload"] = {"iat": time.time()}
+        session.save()
+        return client
+
+    return _log_in