Checkpoint web parity through Chromium input tasks

web/tests/unit/server-job-resource-budget.test.mjs

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+import assert from "node:assert/strict";
+import test from "node:test";
+import { createServerJobResourceReceipt, parseServerJobResourceBudget, SERVER_JOB_RESOURCE_LIMITS } from "../../../tools/web/server-job-resource-budget.mjs";
+
+const budget = { schemaVersion: 1, ...SERVER_JOB_RESOURCE_LIMITS };
+const usage = { cpuMs: 10, memoryBytes: 1024, processCount: 1, fileCount: 2, wallMs: 20, outputBytes: 512 };
+
+test("M13-04C accepts bounded usage and marks enforcement", () => {
+  assert.deepEqual(parseServerJobResourceBudget(budget), budget);
+  assert.deepEqual(createServerJobResourceReceipt(budget, usage), { schemaVersion: 1, status: "SUCCEEDED", budget, usage, enforced: true, exceeded: [] });
+});
+
+test("M13-04C rejects each resource overage with a stable code", () => {
+  for (const field of Object.keys(SERVER_JOB_RESOURCE_LIMITS)) {
+    assert.throws(() => createServerJobResourceReceipt(budget, { ...usage, [field]: SERVER_JOB_RESOURCE_LIMITS[field] + 1 }), new RegExp(`SERVER_JOB_BUDGET_EXCEEDED.*${field}`));
+  }
+  assert.throws(() => parseServerJobResourceBudget({ ...budget, unknown: 1 }), /SERVER_JOB_BUDGET_INVALID/);
+});