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annotate spec/util_uuid_spec.lua @ 13479:d1b7edf4e2de

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net.unbound: Show canonical name in textual format (e.g. in shell) libunbound does not tell us the whole chain of CNAMEs, only the final canonical name. This is to aid in debugging since it will only be shown in the shell.
author Kim Alvefur <zash@zash.se>
date Sun, 14 Apr 2024 14:06:57 +0200
parents e6a5f196fc1f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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);