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spec/util_debug_spec.lua @ 13745:994ea8d54b72 13.0
core.configmanager: Pass name and line number in context
Delays the string interpolation until the warning is logged, which may
slightly lower memory usage.
Allows retrieving the filename and line number easily.
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 22 Feb 2025 00:04:51 +0100 (5 months ago) |
parent | 11177:37dc2a6144d1 |
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local dbg = require "util.debug"; describe("util.debug", function () describe("traceback()", function () it("works", function () local tb = dbg.traceback(); assert.is_string(tb); end); end); describe("get_traceback_table()", function () it("works", function () local count = 0; -- MUST stay in sync with the line numbers of these functions: local f1_defined, f3_defined = 43, 15; local function f3(f3_param) --luacheck: ignore 212/f3_param count = count + 1; for i = 1, 2 do local tb = dbg.get_traceback_table(i == 1 and coroutine.running() or nil, 0); assert.is_table(tb); --print(dbg.traceback(), "\n\n\n", require "util.serialization".serialize(tb, { fatal = false, unquoted = true})); local found_f1, found_f3; for _, frame in ipairs(tb) do if frame.info.linedefined == f1_defined then assert.equal(0, #frame.locals); assert.equal("f2", frame.upvalues[1].name); assert.equal("f1_upvalue", frame.upvalues[2].name); found_f1 = true; elseif frame.info.linedefined == f3_defined then assert.equal("f3_param", frame.locals[1].name); found_f3 = true; end end assert.is_true(found_f1); assert.is_true(found_f3); end end local function f2() local f2_local = "hello"; return f3(f2_local); end local f1_upvalue = "upvalue1"; local function f1() f2(f1_upvalue); end -- ok/err are caught and re-thrown so that -- busted gets to handle them in its own way local ok, err; local function hook() debug.sethook(); ok, err = pcall(f1); end -- Test the traceback is correct in various -- types of caller environments -- From a Lua hook debug.sethook(hook, "crl", 1); local a = string.sub("abcdef", 3, 4); assert.equal("cd", a); debug.sethook(); assert.equal(1, count); if not ok then error(err); end ok, err = nil, nil; -- From a signal handler (C hook) require "util.signal".signal("SIGUSR1", hook); require "util.signal".raise("SIGUSR1"); assert.equal(2, count); if not ok then error(err); end ok, err = nil, nil; -- Inside a coroutine local co = coroutine.create(function () hook(); end); coroutine.resume(co); if not ok then error(err); end assert.equal(3, count); end); end); end);