Advance M8-M11 parity workflows

web/tests/unit/worker-fault.test.mjs

@@ -0,0 +1,39 @@
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import path from "node:path";
+import test from "node:test";
+import ts from "typescript";
+
+const repoRoot = path.resolve(import.meta.dirname, "../../..");
+const sourcePath = path.join(repoRoot, "web/protocol/worker-fault.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, []);
+const moduleUrl = "data:text/javascript;base64," + Buffer.from(transpiled.outputText).toString("base64");
+const { createWorkerFault } = await import(moduleUrl);
+
+test("M7-08 maps engine and storage crashes to one recoverable fault contract", () => {
+  assert.deepEqual(createWorkerFault("engine", "engine crashed"), {
+    source: "engine",
+    error: {
+      code: "WORKER_TERMINATED",
+      severity: "error",
+      message: "engine crashed",
+      recoverable: true,
+      cause: "engine-worker-fault",
+    },
+  });
+  assert.deepEqual(createWorkerFault("storage", "storage crashed"), {
+    source: "storage",
+    error: {
+      code: "WORKER_TERMINATED",
+      severity: "error",
+      message: "storage crashed",
+      recoverable: true,
+      cause: "storage-worker-fault",
+    },
+  });
+});