prosody
55b40f3fa659
spec/util_uuid_spec.lua

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spec/util_uuid_spec.lua @ 9493:55b40f3fa659

mod_storage_sql: Change prosodyarchive_index to be non-unique (fixes #1087) MySQL requires that the first 20 bytes are unique, even if they differ after the first 20 bytes. This breaks e.g. pubsub/PEP nodes longer than 20 characters that have common prefixes.
author Matthew Wild <mwild1@gmail.com>
date Thu, 11 Oct 2018 19:23:21 +0100
parent 8241:e7496cff1215
child 12604:bd9e006a7a74
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://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);