Checkpoint web parity through Chromium input tasks

web/tests/unit/io-format-runtime-receipt.test.mjs

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+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { pathToFileURL } from "node:url";
+import test from "node:test";
+import ts from "typescript";
+
+const root = path.resolve(import.meta.dirname, "../../..");
+const temporary = fs.mkdtempSync(path.join(os.tmpdir(), "io-format-runtime-receipt-unit-"));
+const sourcePath = path.join(root, "web/protocol/io-format-runtime-receipt.ts");
+const transpiled = ts.transpileModule(fs.readFileSync(sourcePath, "utf8"), { compilerOptions: { module: ts.ModuleKind.ES2022, target: ts.ScriptTarget.ES2022 }, fileName: sourcePath, reportDiagnostics: true });
+assert.deepEqual(transpiled.diagnostics, []);
+fs.writeFileSync(path.join(temporary, "protocol.mjs"), transpiled.outputText);
+const protocol = await import(pathToFileURL(path.join(temporary, "protocol.mjs")));
+const receiptSet = JSON.parse(fs.readFileSync(path.join(root, "tests/golden/M12-05D/runtime-receipts.json"), "utf8"));
+const inventorySha256 = receiptSet.inventorySha256;
+
+test("M12-05D resolves capability from the runtime operator receipt", () => {
+  const parsed = protocol.validateIOFormatRuntimeReceiptSet(receiptSet, inventorySha256);
+  assert.equal(protocol.resolveIOFormatRuntimeRoute(parsed, { format: "GLB", operation: "EXPORT" }).status, "READY");
+  assert.equal(protocol.resolveIOFormatRuntimeRoute(parsed, { format: "USD", operation: "EXPORT" }).status, "BLOCKED");
+});
+
+test("M12-05D does not infer capability from a filename extension", () => {
+  const mutated = structuredClone(receiptSet);
+  const receipt = mutated.receipts.find((candidate) => candidate.format === "GLB" && candidate.operation === "EXPORT");
+  receipt.extensions = [".usd"];
+  const parsed = protocol.validateIOFormatRuntimeReceiptSet(mutated, inventorySha256);
+  assert.deepEqual(protocol.resolveIOFormatRuntimeRoute(parsed, { format: "GLB", operation: "EXPORT" }).status, "READY");
+  assert.deepEqual(protocol.resolveIOFormatRuntimeRoute(parsed, { format: "USD", operation: "EXPORT" }).status, "BLOCKED");
+});
+
+test("M12-05D rejects receipt identity drift and consumes explicit receipt status", () => {
+  const stale = structuredClone(receiptSet);
+  stale.inventorySha256 = "0".repeat(64);
+  assert.throws(() => protocol.validateIOFormatRuntimeReceiptSet(stale, inventorySha256), { code: "IO_FORMAT_UNSUPPORTED" });
+  const forged = structuredClone(receiptSet);
+  const usd = forged.receipts.find((candidate) => candidate.format === "USD" && candidate.operation === "EXPORT");
+  usd.runtimeStatus = "AVAILABLE";
+  usd.registered = true;
+  usd.rnaIdentifier = "WM_OT_usd_export";
+  usd.buildOptionEnabled = true;
+  assert.doesNotThrow(() => protocol.parseIOFormatRuntimeReceiptSet(forged));
+  assert.equal(protocol.resolveIOFormatRuntimeRoute(protocol.parseIOFormatRuntimeReceiptSet(forged), { format: "USD", operation: "EXPORT" }).status, "READY");
+});
+
+test.after(() => fs.rmSync(temporary, { recursive: true, force: true }));