lune/tests/roblox/files/serializeModel.luau

local fs = require("@lune/fs")
local roblox = require("@lune/roblox")
local Instance = roblox.Instance

local instances = {
	Instance.new("Model"),
	Instance.new("Part"),
}

local modelAsBinary = roblox.serializeModel(instances)
local modelAsXml = roblox.serializeModel(instances, true)

fs.writeFile("bin/temp-model.rbxm", modelAsBinary)
fs.writeFile("bin/temp-model.rbxmx", modelAsXml)

local savedFileBinary = fs.readFile("bin/temp-model.rbxm")
local savedFileXml = fs.readFile("bin/temp-model.rbxmx")

local savedBinary = roblox.deserializeModel(savedFileBinary)
local savedXml = roblox.deserializeModel(savedFileXml)

assert(savedBinary[1].Name ~= "ROOT")
assert(savedXml[1].Name ~= "ROOT")

assert(savedBinary[1].Name ~= "DataModel")
assert(savedXml[1].Name ~= "DataModel")

assert(savedBinary[1].ClassName == "Model")
assert(savedBinary[2].ClassName == "Part")

assert(savedXml[1].ClassName == "Model")
assert(savedXml[2].ClassName == "Part")