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std/uuid/v3_test.ts

Deno standard library
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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { assert, assertEquals } from "../assert/mod.ts";import { generate, validate } from "./v3.ts";
const NAMESPACE = "1b671a64-40d5-491e-99b0-da01ff1f3341";
Deno.test("generate() generates a non-empty string", async () => { const u = await generate(NAMESPACE, new Uint8Array()); assertEquals(typeof u, "string", "returns a string"); assert(u !== "", "return string is not empty");});
Deno.test("generate() generates UUIDs in version 3 format", async () => { for (let i = 0; i < 10000; i++) { const u = await generate( NAMESPACE, new TextEncoder().encode(i.toString()), ) as string; assert(validate(u), `${u} is not a valid uuid v3`); }});
Deno.test("generate() generates a name-based UUID using MD5 hash", async () => { const u = await generate(NAMESPACE, new TextEncoder().encode("Hello, World")); assertEquals(u, "71d7129f-e809-30ed-a2c6-ea9032b43c0d");});
Deno.test("validate() checks if a string is a valid v3 UUID", async () => { const u = await generate( "1b671a64-40d5-491e-99b0-da01ff1f3341", new TextEncoder().encode("Hello, World"), ); const t = "4b4f2adc-5b27-37b5-8e3a-c4c4bcf94f05"; const n = "4b4f2adc-5b27-17b5-8e3a-c4c4bcf94f05";
assert(validate(u), `generated ${u} should be valid`); assert(validate(t), `${t} should be valid`); assert(!validate(n), `${n} should not be valid`);});