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annotate spec/util_debug_spec.lua @ 13946:f5e8ab42c708

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mod_http_file_share: Check that files are still there with correct size Failed uploads can leave behind unused slots. Files shouldn't change size after they have been successfully uploaded, but might as well double check it.
author Kim Alvefur <zash@zash.se>
date Sat, 04 Dec 2021 18:56:51 +0100
parents 37dc2a6144d1
children
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);