rebuild(stage-14): deliver migration and recovery tooling

next/tests/test_health.py

@@ -73,3 +73,21 @@ def test_validation_error_does_not_expose_framework_details(tmp_path) -> None:
     assert response.status_code == 422
     assert response.json()["error"]["code"] == "invalid_request"
     assert "integer" not in response.text.lower()
+
+
+def test_production_frontend_serves_spa_without_capturing_api_404(tmp_path) -> None:
+    settings = Settings.for_test(tmp_path)
+    settings.frontend_dist_directory.mkdir(parents=True)
+    settings.frontend_dist_directory.joinpath("index.html").write_text(
+        "<main>application</main>", encoding="utf-8"
+    )
+    settings.frontend_dist_directory.joinpath("asset.js").write_text(
+        "window.ready=true", encoding="utf-8"
+    )
+    application = create_application(settings)
+
+    assert request(application, "/review/history").text == "<main>application</main>"
+    assert request(application, "/asset.js").text == "window.ready=true"
+    api_response = request(application, "/api/unknown")
+    assert api_response.status_code == 404
+    assert api_response.json()["error"]["code"] == "not_found"