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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import {  parseSignedCookie,  signCookie,  verifyCookie,} from "./unstable_signed_cookie.ts";import { assertEquals } from "../assert/assert_equals.ts";
Deno.test("signCookie() and verifyCookie() work circularly", async () => {  const key = await crypto.subtle.generateKey(    { name: "HMAC", hash: "SHA-256" },    true,    ["sign", "verify"],  );  const value = "boris";
  const signedCookie = await signCookie(value, key);  assertEquals(await verifyCookie(signedCookie, key), true);
  const tamperedCookie = signedCookie.replace(value, "xenia");  assertEquals(await verifyCookie(tamperedCookie, key), false);});
Deno.test("signCookie() and verifyCookie() work circularly when the cookie value contains a period", async () => {  const key = await crypto.subtle.generateKey(    { name: "HMAC", hash: "SHA-256" },    true,    ["sign", "verify"],  );  const value = "boris.xenia";
  const signedCookie = await signCookie(value, key);  assertEquals(await verifyCookie(signedCookie, key), true);
  const tamperedCookie = signedCookie.replace(value, "xenia");  assertEquals(await verifyCookie(tamperedCookie, key), false);});
Deno.test("verifyCookie() returns false on poorly formed value", async () => {  const key = await crypto.subtle.generateKey(    { name: "HMAC", hash: "SHA-256" },    true,    ["sign", "verify"],  );
  assertEquals(await verifyCookie(".", key), false);  assertEquals(await verifyCookie("hello.", key), false);  assertEquals(await verifyCookie(".world", key), false);});
Deno.test("parseSignedCookie() returns parsed cookie value", () => {  const value = "tokyo";  const signedCookie =    `${value}.37f7481039762eef5cd46669f93c0a3214dfecba7d0cdc0b0dc40036063fb22e`;  assertEquals(parseSignedCookie(signedCookie), value);});
Deno.test("parseSignedCookie() returns parsed cookie value with name containing period", () => {  const value = "tokyo.osaka";  const signedCookie =    `${value}.37f7481039762eef5cd46669f93c0a3214dfecba7d0cdc0b0dc40036063fb22e`;  assertEquals(parseSignedCookie(signedCookie), value);});