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spec/util_debug_spec.lua @ 12616:6b70d1af1fe3
util.serialization: Add Teal type specification
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 01 Dec 2021 15:05:06 +0100 |
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);