From 84e88b7f4b84969f4e59790432f3c2975b51833a Mon Sep 17 00:00:00 2001
From: Sylvester Kaczmarek
 <16242628+sylvesterkaczmarek@users.noreply.github.com>
Date: Fri, 14 Aug 2026 09:22:56 +0100
Subject: [PATCH] Add gate adapter snapshot consistency regressions

---
 .../test_gate_adapter_snapshot_consistency.py | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 backend/services/infonet/tests/test_gate_adapter_snapshot_consistency.py

diff --git a/backend/services/infonet/tests/test_gate_adapter_snapshot_consistency.py b/backend/services/infonet/tests/test_gate_adapter_snapshot_consistency.py
new file mode 100644
index 0000000..4331a37
--- /dev/null
+++ b/backend/services/infonet/tests/test_gate_adapter_snapshot_consistency.py
@@ -0,0 +1,29 @@
+"""Regression coverage for consistent gate-adapter chain snapshots."""
+
+from services.infonet.adapters.gate_adapter import InfonetGateAdapter
+
+
+def _counting_adapter():
+    calls = {"count": 0}
+
+    def chain_provider():
+        calls["count"] += 1
+        return []
+
+    return InfonetGateAdapter(chain_provider), calls
+
+
+def test_suspension_state_samples_chain_once():
+    adapter, calls = _counting_adapter()
+
+    adapter.suspension_state("never-seen")
+
+    assert calls["count"] == 1
+
+
+def test_shutdown_state_samples_chain_once():
+    adapter, calls = _counting_adapter()
+
+    adapter.shutdown_state("never-seen")
+
+    assert calls["count"] == 1