File

spec/util_uuid_spec.lua @ 11762:54530085dffe

net.server: Fall back to default backend from libevent instead of always select Fixes that selecting libevent when unavaibalbe would fall back to select instead of epoll, even if that's available. This way, we only have to update it in once place when choosing a new default.
author Kim Alvefur <zash@zash.se>
date Fri, 03 Sep 2021 17:35:34 +0200
parent 8241:e7496cff1215
child 12604:bd9e006a7a74
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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);