feat: release authentication laboratories 0.3.0

tests/otp/migration.test.ts

@@ -1,5 +1,6 @@
 import { describe, expect, it } from "vitest";
 import {
+  exportGoogleMigration,
   exportCsv,
   importCsv,
   importGoogleMigrationBatch,
@@ -115,4 +116,27 @@ describe("OTP migrations", () => {
       importGoogleMigrationBatch([googlePart(0), googlePart(1, 2, 99)]),
     ).toThrow(/different batches/iu);
   });
+
+  it("exports and reassembles Google migration batches", () => {
+    const portable = { ...profile, period: 30 };
+    const exported = exportGoogleMigration(
+      [portable, { ...portable, account: "bob" }],
+      1,
+    );
+    expect(exported.uris).toHaveLength(2);
+    const imported = importGoogleMigrationBatch(exported.uris);
+    expect(imported.profiles.map(({ account }) => account)).toEqual([
+      profile.account,
+      "bob",
+    ]);
+    expect(imported.profiles[0]).toMatchObject({
+      algorithm: "SHA-256",
+      digits: 8,
+      period: 30,
+    });
+  });
+
+  it("refuses lossy Google exports", () => {
+    expect(() => exportGoogleMigration([profile])).toThrow(/period or epoch/u);
+  });
 });