这实际上是@EgorSkriptunoff 的答案,但他将其作为评论。
对我来说,制作一个 botpackage.loaded
和_G
. 浅拷贝可以在这里找到: http: //lua-users.org/wiki/CopyTable:
function shallowcopy(orig)
local orig_type = type(orig)
local copy
if orig_type == 'table' then
copy = {}
for orig_key, orig_value in pairs(orig) do
copy[orig_key] = orig_value
end
else -- number, string, boolean, etc
copy = orig
end
return copy
end
实际测试如下所示:
local packageLoadedCopy = shallowcopy(package.loaded)
local gCopy = shallowcopy(_G)
for _, test in ipairs(tests) do
-- Do the actual test
-- Clean up the environment
local markDeletion = {}
local markModify = {}
for name in pairs(package.loaded) do
if not packageLoadedCopy[name] then
table.insert(markDeletion, name)
elseif packageLoadedCopy[name] ~= package.loaded[name] then
table.insert(markModify, name)
end
end
for _, name in pairs(markDeletion) do
package.loaded[name] = nil
end
for _, name in pairs(markModify) do
package.loaded[name] = packageLoadedCopy[name]
end
markDeletion, markModify = {}, {}
for name in pairs(_G) do
if not gCopy[name] then
table.insert(markDeletion, name)
elseif _G[name] ~= gCopy[name] then
table.insert(markModify, name)
end
end
for _, name in pairs(markDeletion) do
_G[name] = nil
end
for _, name in pairs(markModify) do
_G[name] = gCopy[name]
end
end
请注意,只是
package.loaded = packageLoadedCopy
_G = gCopy
不工作,我不知道为什么。