mirror of https://github.com/bjc/prosody
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
2.3 KiB
93 lines
2.3 KiB
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);
|
|
|