test: cover targeted and expired ledger claims

Co-authored-by: genichin <4282227+genichin@users.noreply.github.com>

trex_core/adapters/persistence/postgresql.py

@@ -747,8 +747,11 @@ class PostgreSQLLedgerOutbox:
                 if expected_claim_expires_at is None:
                     where += "AND claim_owner IS NULL AND claim_expires_at IS NULL"
                 else:
-                    where += "AND claim_owner=%s AND claim_expires_at=%s"
-                    params.extend([self._worker_id, expected_claim_expires_at])
+                    where += (
+                        "AND claim_owner=%s "
+                        "AND (claim_expires_at=%s OR (status='pending' AND claim_expires_at<=%s))"
+                    )
+                    params.extend([self._worker_id, expected_claim_expires_at, self._now()])
                 cur.execute(
                     "UPDATE ledger_outbox SET status=%s, attempts=attempts+%s, "
                     "last_outcome=%s, last_error=%s, next_retry_at=%s, updated_at=%s, "

trex_core/application/ledger_outbox.py

@@ -522,10 +522,16 @@ class InMemoryLedgerOutbox:
         *,
         correlation_id: str | None = None,
     ) -> list[LedgerWorkItem]:
-        pending = self.list_pending(limit if correlation_id is None else max(limit, 1))
         if correlation_id is None:
-            return pending[:limit]
-        return [row for row in pending if row.correlation_id == correlation_id][:1]
+            return self.list_pending(limit)
+        now = self._now()
+        with self._lock:
+            row = self._rows.get(correlation_id)
+            if row is None or row.status is not WorkItemStatus.PENDING:
+                return []
+            if row.next_retry_at is not None and row.next_retry_at > now:
+                return []
+            return [row]
 
     def pending_cash_delta(self) -> dict[str, float]:
         with self._lock: