prosody
2db7b3b65363
spec/util_strbitop_spec.lua

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spec/util_strbitop_spec.lua @ 13627:2db7b3b65363

core.configmanager: Add function for getting secrets from separate files Idea is to enable easily retrieving of secret values from files outside of the config, e.g. via the method used by systemd credentials. CREDENTIALS_DIRECTORY is expected to be set by the process manager invoking Prosody, so being unset and unavailable from prosodyctl is going to be normal and a warning is reported in that case. Care will have to be taken to make it clear that prosodyctl check will not work with such values. An error is thrown if the directory is unavailable when running under Prosody.
author Kim Alvefur <zash@zash.se>
date Thu, 16 Jan 2025 15:21:34 +0100
parent 13430:1a5e3cf037f6
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11168
cde600e2fdf9 util.strbitop: Add tests covering basics
Kim Alvefur <zash@zash.se>
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1 local strbitop = require "util.strbitop";
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2 describe("util.strbitop", function ()
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3 describe("sand()", function ()
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4 it("works", function ()
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5 assert.equal(string.rep("Aa", 100), strbitop.sand(string.rep("a", 200), "Aa"));
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6 end);
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7 it("returns empty string if first argument is empty", function ()
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8 assert.equal("", strbitop.sand("", ""));
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9 assert.equal("", strbitop.sand("", "key"));
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10 end);
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11 it("returns initial string if key is empty", function ()
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12 assert.equal("hello", strbitop.sand("hello", ""));
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13 end);
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14 end);
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15
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16 describe("sor()", function ()
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17 it("works", function ()
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18 assert.equal(string.rep("a", 200), strbitop.sor(string.rep("Aa", 100), "a"));
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19 end);
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20 it("returns empty string if first argument is empty", function ()
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21 assert.equal("", strbitop.sor("", ""));
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22 assert.equal("", strbitop.sor("", "key"));
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23 end);
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24 it("returns initial string if key is empty", function ()
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25 assert.equal("hello", strbitop.sor("hello", ""));
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26 end);
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27 end);
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28
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29 describe("sxor()", function ()
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30 it("works", function ()
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31 assert.equal(string.rep("Aa", 100), strbitop.sxor(string.rep("a", 200), " \0"));
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32 end);
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33 it("returns empty string if first argument is empty", function ()
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34 assert.equal("", strbitop.sxor("", ""));
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35 assert.equal("", strbitop.sxor("", "key"));
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36 end);
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37 it("returns initial string if key is empty", function ()
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38 assert.equal("hello", strbitop.sxor("hello", ""));
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39 end);
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40 end);
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41
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42 describe("common_prefix_bits()", function ()
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43 local function B(s)
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44 assert(#s%8==0, "Invalid test input: B(s): s should be a multiple of 8 bits in length");
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45 local byte = 0;
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46 local out_str = {};
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47 for i = 1, #s do
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48 local bit_ascii = s:byte(i);
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49 if bit_ascii == 49 then -- '1'
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50 byte = byte + 2^((7-(i-1))%8);
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51 elseif bit_ascii ~= 48 then
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52 error("Invalid test input: B(s): s should contain only '0' or '1' characters");
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53 end
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54 if (i-1)%8 == 7 then
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55 table.insert(out_str, string.char(byte));
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56 byte = 0;
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57 end
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58 end
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59 return table.concat(out_str);
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60 end
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61
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62 local _cpb = strbitop.common_prefix_bits;
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63 local function test(a, b)
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64 local Ba, Bb = B(a), B(b);
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65 local ret1 = _cpb(Ba, Bb);
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66 local ret2 = _cpb(Bb, Ba);
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67 assert(ret1 == ret2, ("parameter order should not make a difference to the result (%s, %s) = %d, reversed = %d"):format(a, b, ret1, ret2));
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68 return ret1;
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69 end
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70
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71 it("works on single bytes", function ()
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72 assert.equal(0, test("00000000", "11111111"));
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73 assert.equal(1, test("10000000", "11111111"));
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74 assert.equal(0, test("01000000", "11111111"));
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75 assert.equal(0, test("01000000", "11111111"));
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76 assert.equal(8, test("11111111", "11111111"));
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77 end);
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78
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79 it("works on multiple bytes", function ()
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80 for i = 0, 16 do
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81 assert.equal(i, test(string.rep("1", i)..string.rep("0", 16-i), "1111111111111111"));
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82 end
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83 end);
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84 end);
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85 end);