File

spec/util_uuid_spec.lua @ 11432:113f3912c7cb

util: Add Teal interface definition files Enables writing code in Teal that is aware of the interfaces and function prototypes in these other utils. Could also be used to do type checks on Lua sources, but this tends to have a lot of noise.
author Kim Alvefur <zash@zash.se>
date Tue, 09 Mar 2021 14:36:46 +0100 (2021-03-09)
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);