prosody
750ff9f579e2
spec/util_uuid_spec.lua

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spec/util_uuid_spec.lua @ 13575:750ff9f579e2

mod_c2s, mod_s2s: Support for queuing callbacks to run in session thread This allows certain session-specific code that needs to run in the async context, but is itself triggered outside of that context (e.g. timers), to be queued. An example of this is the session destruction code of mod_smacks, when the hibernation timeout is reached.
author Matthew Wild <mwild1@gmail.com>
date Thu, 21 Nov 2024 17:02:07 +0000
parent 13317:e6a5f196fc1f
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1 -- This tests the format, not the randomness
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2
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3 local uuid = require "util.uuid";
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4
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5 describe("util.uuid", function()
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6 describe("#generate()", function()
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7 it("should work follow the UUID pattern", function()
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8 -- https://www.rfc-editor.org/rfc/rfc4122.html#section-4.4
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9
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10 local pattern = "^" .. table.concat({
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11 string.rep("%x", 8),
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12 string.rep("%x", 4),
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13 "4" .. -- version
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14 string.rep("%x", 3),
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15 "[89ab]" .. -- reserved bits of 1 and 0
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16 string.rep("%x", 3),
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17 string.rep("%x", 12),
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18 }, "%-") .. "$";
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19
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20 for _ = 1, 100 do
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21 assert.is_string(uuid.generate():match(pattern));
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22 end
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23
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24 assert.truthy(uuid.generate() ~= uuid.generate(), "does not generate the same UUIDv4 twice")
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25 end);
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26 end);
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27 describe("#v7", function()
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28 it("should also follow the UUID pattern", function()
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29 local pattern = "^" .. table.concat({
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30 string.rep("%x", 8),
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31 string.rep("%x", 4),
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32 "7" .. -- version
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33 string.rep("%x", 3),
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34 "[89ab]" .. -- reserved bits of 1 and 0
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35 string.rep("%x", 3),
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36 string.rep("%x", 12),
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37 }, "%-") .. "$";
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38
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39 local one = uuid.v7(); -- one before the loop to ensure some time passes
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40 for _ = 1, 100 do
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41 assert.is_string(uuid.v7():match(pattern));
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42 end
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43 -- one after the loop when some time should have passed
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44 assert.truthy(one < uuid.v7(), "should be ordererd")
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45 end);
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46 end);
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47 end);