File

spec/util_uuid_spec.lua @ 12058:4860da718e87

util.smqueue: Simplify compat table, fix dependent modules (thanks Martin) There was an off-by-one in the modulo calculation. Switching to a plain old array-table makes the apparent size of the queue wrong, but since some of the queue may not be available this is likely for the best.
author Kim Alvefur <zash@zash.se>
date Thu, 16 Dec 2021 12:16:45 +0100
parent 8241:e7496cff1215
child 12604:bd9e006a7a74
line wrap: on
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-- This tests the format, not the randomness

local uuid = require "util.uuid";

describe("util.uuid", function()
	describe("#generate()", function()
		it("should work follow the UUID pattern", function()
			-- https://tools.ietf.org/html/rfc4122#section-4.4

			local pattern = "^" .. table.concat({
				string.rep("%x", 8),
				string.rep("%x", 4),
				"4" .. -- version
				string.rep("%x", 3),
				"[89ab]" .. -- reserved bits of 1 and 0
				string.rep("%x", 3),
				string.rep("%x", 12),
			}, "%-") .. "$";

			for _ = 1, 100 do
				assert.is_string(uuid.generate():match(pattern));
			end
		end);
	end);
end);