...

test/update-loop.ts

@@ -0,0 +1,68 @@
+import { readFile } from 'node:fs/promises';
+import { fileURLToPath } from 'node:url';
+import { dirname, resolve } from 'node:path';
+
+type UpdateItem = {
+  name: string;
+  amount: number;
+  displayName?: string | null;
+};
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+
+const TARGET_URL = process.env.UPDATE_URL ?? 'https://localhost:3000/api/me-system/update';
+const INTERVAL_MS = Number(process.env.INTERVAL_MS ?? 10_000);
+const JSON_PATH = process.env.JSON_PATH ?? resolve(__dirname, 'me_system_update.json');
+const MAX_VARIATION = Number(process.env.MAX_VARIATION ?? 0.05);
+
+if (TARGET_URL.startsWith('https://')) {
+  process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0';
+}
+
+function mutate(items: UpdateItem[]): UpdateItem[] {
+  return items.map((item) => {
+    const delta = (Math.random() * 2 - 1) * MAX_VARIATION;
+    const next = Math.max(0, Math.round(item.amount * (1 + delta)));
+    return { ...item, amount: next };
+  });
+}
+
+async function sendUpdate(items: UpdateItem[]): Promise<void> {
+  const startedAt = Date.now();
+  try {
+    const res = await fetch(TARGET_URL, {
+      method: 'POST',
+      headers: { 'content-type': 'application/json' },
+      body: JSON.stringify(items),
+    });
+    const took = Date.now() - startedAt;
+    const text = await res.text();
+    console.log(
+      `[${new Date().toISOString()}] POST ${res.status} (${took} ms, ${items.length} items) -> ${text}`,
+    );
+  } catch (err) {
+    console.error(`[${new Date().toISOString()}] request failed:`, err);
+  }
+}
+
+async function main(): Promise<void> {
+  const raw = await readFile(JSON_PATH, 'utf8');
+  let current: UpdateItem[] = JSON.parse(raw);
+
+  console.log(
+    `Loaded ${current.length} items from ${JSON_PATH}\n` +
+      `Posting to ${TARGET_URL} every ${INTERVAL_MS} ms (max ±${MAX_VARIATION * 100}% per tick).`,
+  );
+
+  await sendUpdate(current);
+
+  setInterval(() => {
+    current = mutate(current);
+    void sendUpdate(current);
+  }, INTERVAL_MS);
+}
+
+main().catch((err) => {
+  console.error('Fatal:', err);
+  process.exit(1);
+});