prosody
781772c8b6d9
spec/util_debug_spec.lua

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spec/util_debug_spec.lua @ 12630:781772c8b6d9

mod_mam: Store archives with sub-second precision timestamps Changes sub-second part of example timestamp to .5 in order to avoid floating point issues. Some clients use timestamps when ordering messages which can lead to messages having the same timestamp ending up in the wrong order. It would be better to preserve the order messages are sent in, which is the order they were stored in.
author Kim Alvefur <zash@zash.se>
date Sun, 14 Aug 2022 17:28:31 +0200
parent 11177:37dc2a6144d1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
11177
37dc2a6144d1 util.debug: Fix locals being reported under wrong stack frame in some cases (+tests!!)
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1 local dbg = require "util.debug";
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2
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3 describe("util.debug", function ()
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4 describe("traceback()", function ()
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5 it("works", function ()
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6 local tb = dbg.traceback();
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7 assert.is_string(tb);
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8 end);
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9 end);
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10 describe("get_traceback_table()", function ()
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11 it("works", function ()
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12 local count = 0;
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13 -- MUST stay in sync with the line numbers of these functions:
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14 local f1_defined, f3_defined = 43, 15;
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15 local function f3(f3_param) --luacheck: ignore 212/f3_param
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16 count = count + 1;
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17
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18 for i = 1, 2 do
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19 local tb = dbg.get_traceback_table(i == 1 and coroutine.running() or nil, 0);
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20 assert.is_table(tb);
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21 --print(dbg.traceback(), "\n\n\n", require "util.serialization".serialize(tb, { fatal = false, unquoted = true}));
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22 local found_f1, found_f3;
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23 for _, frame in ipairs(tb) do
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24 if frame.info.linedefined == f1_defined then
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25 assert.equal(0, #frame.locals);
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26 assert.equal("f2", frame.upvalues[1].name);
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27 assert.equal("f1_upvalue", frame.upvalues[2].name);
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28 found_f1 = true;
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29 elseif frame.info.linedefined == f3_defined then
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30 assert.equal("f3_param", frame.locals[1].name);
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31 found_f3 = true;
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32 end
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33 end
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34 assert.is_true(found_f1);
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35 assert.is_true(found_f3);
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36 end
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37 end
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38 local function f2()
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39 local f2_local = "hello";
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40 return f3(f2_local);
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41 end
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42 local f1_upvalue = "upvalue1";
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43 local function f1()
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44 f2(f1_upvalue);
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45 end
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46
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47 -- ok/err are caught and re-thrown so that
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48 -- busted gets to handle them in its own way
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49 local ok, err;
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50 local function hook()
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51 debug.sethook();
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52 ok, err = pcall(f1);
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53 end
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54
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55 -- Test the traceback is correct in various
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56 -- types of caller environments
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57
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58 -- From a Lua hook
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59 debug.sethook(hook, "crl", 1);
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60 local a = string.sub("abcdef", 3, 4);
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61 assert.equal("cd", a);
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62 debug.sethook();
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63 assert.equal(1, count);
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64
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65 if not ok then
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66 error(err);
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67 end
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68 ok, err = nil, nil;
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69
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70 -- From a signal handler (C hook)
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71 require "util.signal".signal("SIGUSR1", hook);
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72 require "util.signal".raise("SIGUSR1");
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73 assert.equal(2, count);
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74
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75 if not ok then
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76 error(err);
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77 end
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78 ok, err = nil, nil;
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79
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80 -- Inside a coroutine
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81 local co = coroutine.create(function ()
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82 hook();
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83 end);
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84 coroutine.resume(co);
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85
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86 if not ok then
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87 error(err);
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88 end
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89
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90 assert.equal(3, count);
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91 end);
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92 end);
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93 end);