prosody
0a1c0f1107d2
tests/test_util_uuid.lua

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tests/test_util_uuid.lua @ 8092:0a1c0f1107d2

util.datamanager: Use already known index instead of measuring length each iteration
author Kim Alvefur <zash@zash.se>
date Mon, 17 Apr 2017 03:26:21 +0200
parent 7512:7a655ff689b1
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-- This tests the format, not the randomness

-- 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),
}, "%-") .. "$";

function generate(generate)
	for _ = 1, 100 do
		assert_is(generate():match(pattern));
	end
end

function seed(seed)
	assert_equal(seed("random string here"), nil, "seed doesn't return anything");
end