Add backend and frontend skeleton

app/backend/tests/test_health.py

@@ -0,0 +1,30 @@
+from fastapi.testclient import TestClient
+from hypothesis import given, settings
+from hypothesis import strategies as st
+
+from main import app
+
+client = TestClient(app)
+
+
+def test_liveness_ok():
+    response = client.get("/healthz")
+    assert response.status_code == 200
+    data = response.json()
+    assert data["status"] == "ok"
+    assert data["service"] == "backend"
+    assert data["environment"]
+
+
+def test_readiness_ok():
+    response = client.get("/readyz")
+    assert response.status_code == 200
+    assert response.json()["status"] == "ok"
+
+
+@given(st.text(min_size=0, max_size=16))
+@settings(max_examples=10)
+def test_health_resilient_to_query_noise(noise: str):
+    resp = client.get("/healthz", params={"noise": noise})
+    assert resp.status_code == 200
+    assert resp.json()["status"] == "ok"