[#2] master模块开发测试

src/master/tests/scripts/07_stats_single_node.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+TEST_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+PRIVATE_ROOT="$TEST_ROOT/private"
+TMP_ROOT="$TEST_ROOT/tmp"
+API_BASE="http://localhost:31300/api/v1/master"
+NODE_ID="$(cat "$TMP_ROOT/node_id")"
+
+sleep 7
+
+detail_file="$TMP_ROOT/offline_detail.json"
+curl -sS "$API_BASE/nodes/$NODE_ID" -o "$detail_file"
+python3 - "$detail_file" <<'PY'
+import json, sys
+with open(sys.argv[1]) as handle:
+    node = json.load(handle)
+assert node["status"] == "offline", f"Expected offline, got {node['status']}"
+PY
+
+stats_file="$TMP_ROOT/stats.json"
+curl -sS "$API_BASE/nodes/statistics" -o "$stats_file"
+python3 - "$stats_file" <<'PY'
+import json, sys
+with open(sys.argv[1]) as handle:
+    stats = json.load(handle)
+assert stats["total"] == 1
+found = {item["status"]: item["count"] for item in stats["status_statistics"]}
+assert found.get("offline") == 1
+PY
+
+nodes_json_path="$PRIVATE_ROOT/argus/metric/prometheus/nodes.json"
+python3 - "$nodes_json_path" <<'PY'
+import json, sys
+with open(sys.argv[1]) as handle:
+    content = json.load(handle)
+assert content == [], content
+PY
+
+echo "[INFO] Offline transition and statistics validated"