models on tracker

tests/test_tracker_persistence.py

@@ -0,0 +1,31 @@
+from meshnet_tracker.server import TrackerServer
+
+
+class _FailingStore:
+    def save_to_db(self) -> None:
+        raise OSError("database or disk is full")
+
+
+class _RecordingStore:
+    def __init__(self) -> None:
+        self.saved = False
+
+    def save_to_db(self) -> None:
+        self.saved = True
+
+
+def test_stats_persistence_failure_does_not_abort_remaining_stores(capsys):
+    "Tracker persistence isolates one full-disk failure from other stores\n\nTags: tracker, persistence"
+    tracker = TrackerServer()
+    tracker._stats = _FailingStore()
+    tracker._route_stats = _RecordingStore()
+    tracker._billing = None
+    tracker._accounts = None
+    tracker._contracts = None
+
+    tracker._save_stats_once()
+
+    assert tracker._route_stats.saved is True
+    stderr = capsys.readouterr().err
+    assert "stats persistence failed" in stderr
+    assert "database or disk is full" in stderr