merge: integrate alpha management with main and sequence migration 0005

backend/tests/browser_server.py

@@ -12,6 +12,8 @@ from app.main import create_app
 from app.models import Base
 from app.worldquant import WqClient
 from tests.ai_fake import fake_model
+from tests.backtest_fake import Platform
+from tests.catalog_fake import catalog_response
 
 TEST_PASSWORD = "browser-test-password"
 
@@ -81,6 +83,8 @@ def create_test_app():
         public_origin="http://127.0.0.1:5179",
     )
     records = [sample(i) for i in range(620)]
+    simulations = Platform()
+    simulations.existing_alpha_ids = [f"TEST{i:04}" for i in range(1, 100)]
 
     def upstream(request):
         path = request.url.path
@@ -105,8 +109,15 @@ def create_test_app():
                 },
                 headers={"Set-Cookie": "mock=only; Path=/"},
             )
+        if path.startswith("/simulations") or (
+            path.startswith("/alphas/") and path.rsplit("/", 1)[-1] in simulations.alphas
+        ):
+            return simulations(request)
         if request.method != "GET":
             raise AssertionError("Browser acceptance attempted an upstream mutation")
+        catalog = catalog_response(request)
+        if catalog is not None:
+            return catalog
         if path == "/users/self":
             return httpx.Response(
                 200,