File

spec/util_uuid_spec.lua @ 13032:ea4923bebca9

util.array: Change tostring format to [a,b,c] Arrays in Lua do use { } but since __tostring is often user-facing it seems sensible to use [ ] instead for consistency with many other systems; as well as to allow the {a,b,c} formatting to be used by util.set without being confused with util.array.
author Kim Alvefur <zash@zash.se>
date Thu, 06 Apr 2023 16:27:37 +0200 (23 months ago)
parent 12604:bd9e006a7a74
child 13317:e6a5f196fc1f
line wrap: on
line source
-- 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://www.rfc-editor.org/rfc/rfc4122.html#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);