src/views.py

@@ -1,9 +1,12 @@
+from pathlib import Path
+
 from fastapi import APIRouter
 from fastapi.responses import HTMLResponse
 
 router = APIRouter()
+DASHBOARD_FILE = Path(__file__).resolve().parent.parent / "frontend" / "index.html"
 
 
 @router.get("/", response_class=HTMLResponse)
 async def dashboard() -> str:
-    return open("frontend/index.html").read()
+    return DASHBOARD_FILE.read_text()

tests/test_views.py

@@ -0,0 +1,12 @@
+import pytest
+
+from src.views import dashboard
+
+
+@pytest.mark.anyio
+async def test_dashboard_renders_outside_repository_working_directory(monkeypatch, tmp_path):
+    monkeypatch.chdir(tmp_path)
+
+    html = await dashboard()
+
+    assert "Stackchain Dashboard" in html