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import {  assert,  assertEquals,} from "https://deno.land/std@0.77.0/testing/asserts.ts";import { hmac } from "./mod.ts";import { encode } from "./deps.ts";
interface TestVector {  count: number;  keyByteLength: number;  macByteLength: number;  key: Uint8Array;  msg: Uint8Array;  mac: Uint8Array;}
function loadTestVectors(): { [key: string]: TestVector[] } {  const doc: { [key: string]: any[] } = JSON.parse(    new TextDecoder().decode(Deno.readFileSync("./test_vectors.json")),  );
  for (const [k, v] of Object.entries(doc)) {    doc[k] = v.map(      ({        count,        keyByteLength,        macByteLength,        key,        msg,        mac,      }): TestVector => ({        count,        keyByteLength,        macByteLength,        key: encode(key, "hex"),        msg: encode(msg, "hex"),        mac: encode(mac, "hex"),      }),    );  }
  return doc;}
const testVectors: { [key: string]: TestVector[] } = loadTestVectors();
testVectors["HMAC-SHA1"].forEach(  (    { macByteLength, key, msg, mac: expectedMac }: TestVector,    i: number,  ): void => {    Deno.test({      name: `HMAC-SHA1 ${i}`,      fn(): void {        const mac: Uint8Array = hmac("sha1", key, msg) as Uint8Array;        assertEquals(mac.subarray(0, macByteLength), expectedMac);      },    });  },);
testVectors["HMAC-SHA256"].forEach(  (    { macByteLength, key, msg, mac: expectedMac }: TestVector,    i: number,  ): void => {    Deno.test({      name: `HMAC-SHA256 ${i}`,      fn(): void {        const mac: Uint8Array = hmac("sha256", key, msg) as Uint8Array;        assertEquals(mac.subarray(0, macByteLength), expectedMac);      },    });  },);
testVectors["HMAC-SHA512"].forEach(  (    { macByteLength, key, msg, mac: expectedMac }: TestVector,    i: number,  ): void => {    Deno.test({      name: `HMAC-SHA512 ${i}`,      fn(): void {        const mac: Uint8Array = hmac("sha512", key, msg) as Uint8Array;        assertEquals(mac.subarray(0, macByteLength), expectedMac);      },    });  },);
Deno.test({  name: `base64 digest encoding uses std base64 - not the urlsafe variant`,  fn(): void {    const stdMac: string = hmac(      "sha512",      "key",      "msg",      "utf8",      "base64",    ) as string;    const urlSafeMac: string = hmac(      "sha512",      "key",      "msg",      "utf8",      "base64url",    ) as string;
    assert(/[+/]/.test(stdMac));    assert(!/[_-]/.test(stdMac));    assert(/[_-]/.test(urlSafeMac));    assert(!/[+/]/.test(urlSafeMac));  },});