1 files changed, 58 insertions, 0 deletions
diff --git a/tests/http/test_auth.py b/tests/http/test_auth.py
index 8a625bf..02ac88a 100644
--- a/tests/http/test_auth.py
+++ b/tests/http/test_auth.py
@@ -13,6 +13,8 @@ from jb.models.auth import User
 class FakeGRApiManager:
     def __init__(self):
         self.users: dict[str, User] = {}
+        self.amt_worker_ids: set[str] = set()
+        self.transition_calls: list[tuple[User, str]] = []
 
     def ensure_user_exists(self, user: User) -> User:
         self.users.setdefault(user.product_user_id, user)
@@ -21,6 +23,18 @@ class FakeGRApiManager:
     def get_user(self, product_user_id: str) -> User:
         return self.users[product_user_id]
 
+    def add_amt_user(self, amt_worker_id: str) -> None:
+        self.amt_worker_ids.add(amt_worker_id)
+
+    def transition_user_from_amt(self, user: User, amt_worker_id: str) -> User:
+        self.transition_calls.append((user, amt_worker_id))
+        if amt_worker_id not in self.amt_worker_ids:
+            raise ValueError(f"User {amt_worker_id} does not exist")
+
+        self.amt_worker_ids.remove(amt_worker_id)
+        self.users[user.product_user_id] = user
+        return user
+
 
 @pytest.fixture
 def email() -> str:
@@ -64,3 +78,47 @@ class TestAuth:
         res = await client.get("/auth/session")
         assert res.status_code == 200
         assert res.json()["email"] == email
+
+    @pytest.mark.anyio
+    async def test_amt_account_link(
+        self,
+        httpxclient: AsyncClient,
+        fake_gr_api_manager: FakeGRApiManager,
+        email: str,
+        amt_worker_id: str,
+    ):
+        client = httpxclient
+        fake_gr_api_manager.add_amt_user(amt_worker_id)
+
+        res = await client.post(
+            "/auth/link-amt/request",
+            json={"email": email, "amt_worker_id": amt_worker_id},
+        )
+        d = res.json()
+        assert res.status_code == 200
+        assert d["magic_link"]
+        assert fake_gr_api_manager.transition_calls == []
+
+        token = parse_qs(urlparse(d["magic_link"]).query)["token"][0]
+
+        url = "/auth/link-amt/exchange"
+        body = {"token": token}
+        res = await client.post(url, json=body)
+        assert res.status_code == 204
+        assert client.cookies.get(SESSION_COOKIE_NAME)
+        assert len(fake_gr_api_manager.transition_calls) == 1
+        transitioned_user, transitioned_amt_worker_id = (
+            fake_gr_api_manager.transition_calls[0]
+        )
+        assert transitioned_user.email == email
+        assert transitioned_amt_worker_id == amt_worker_id
+        assert amt_worker_id not in fake_gr_api_manager.amt_worker_ids
+
+        res = await client.get("/auth/session")
+        assert res.status_code == 200
+        assert res.json()["email"] == email
+
+        # Make sure we can't do it again
+        res = await client.post(url, json=body)
+        assert res.status_code == 401
+        assert len(fake_gr_api_manager.transition_calls) == 1