344 lines
10 KiB
Lua
344 lines
10 KiB
Lua
local ffi = require 'ffi'
|
|
|
|
_G.love = {filesystem = {newFileData = function()
|
|
return {getPointer = function()
|
|
local buf = ffi.new("uint8_t[?]", #love.s)
|
|
ffi.copy(buf, love.s, #love.s)
|
|
return buf
|
|
end, getSize = function()
|
|
return #love.s
|
|
end}
|
|
end, write = function(_, s)
|
|
love.s = s
|
|
return true
|
|
end}}
|
|
|
|
local bitser = require 'bitser'
|
|
|
|
local function serdeser(value)
|
|
return bitser.loads(bitser.dumps(value))
|
|
end
|
|
|
|
local function test_serdeser(value)
|
|
assert.are.same(serdeser(value), value)
|
|
end
|
|
|
|
local function test_serdeser_idempotent(value)
|
|
assert.are.same(bitser.dumps(serdeser(value)), bitser.dumps(value))
|
|
end
|
|
|
|
describe("bitser", function()
|
|
it("serializes simple values", function()
|
|
test_serdeser(true)
|
|
test_serdeser(false)
|
|
test_serdeser(nil)
|
|
test_serdeser(1)
|
|
test_serdeser(-1)
|
|
test_serdeser(0)
|
|
test_serdeser(100000000)
|
|
test_serdeser(1.234)
|
|
test_serdeser(10 ^ 20)
|
|
test_serdeser(1/0)
|
|
test_serdeser(-1/0)
|
|
test_serdeser("")
|
|
test_serdeser("hullo")
|
|
test_serdeser([[this
|
|
is a longer string
|
|
such a long string
|
|
that it won't fit
|
|
in the "short string" representation
|
|
no it won't
|
|
listen to me
|
|
it won't]])
|
|
local nan = serdeser(0/0)
|
|
assert.is_not.equal(nan, nan)
|
|
end)
|
|
it("serializes simple tables", function()
|
|
test_serdeser({})
|
|
test_serdeser({10, 11, 12})
|
|
test_serdeser({foo = 10, bar = 99, [true] = false})
|
|
test_serdeser({[1000] = 9000})
|
|
test_serdeser({{}})
|
|
end)
|
|
it("serializes tables with tables as keys", function()
|
|
local thekey = {"Heyo"}
|
|
assert.are.same(thekey, (next(serdeser({[thekey] = 12}))))
|
|
end)
|
|
it("serializes cyclic tables", function()
|
|
local cthulhu = {{}, {}, {}}
|
|
cthulhu.fhtagn = cthulhu
|
|
--note: this does not test tables as keys because assert.are.same doesn't like that
|
|
cthulhu[1].cthulhu = cthulhu[3]
|
|
cthulhu[2].cthulhu = cthulhu[2]
|
|
cthulhu[3].cthulhu = cthulhu
|
|
|
|
test_serdeser(cthulhu)
|
|
end)
|
|
it("serializes resources", function()
|
|
local temp_resource = {}
|
|
bitser.register("temp_resource", temp_resource)
|
|
assert.are.equal(serdeser({this = temp_resource}).this, temp_resource)
|
|
bitser.unregister("temp_resource")
|
|
end)
|
|
it("serializes many resources", function()
|
|
local max = 1000
|
|
local t = {}
|
|
for i = 1, max do
|
|
bitser.register(tostring(i), i)
|
|
t[i] = i
|
|
end
|
|
test_serdeser(t)
|
|
for i = 1, max do
|
|
bitser.unregister(tostring(i))
|
|
end
|
|
end)
|
|
it("serializes deeply nested tables", function()
|
|
local max = 1000
|
|
local t = {}
|
|
for _ = 1, max do
|
|
t.t = {}
|
|
t = t.t
|
|
end
|
|
test_serdeser(t)
|
|
end)
|
|
it("serializes MiddleClass instances", function()
|
|
local class = require("middleclass")
|
|
local Horse = bitser.registerClass(class('Horse'))
|
|
function Horse:initialize(name)
|
|
self.name = name
|
|
self[1] = 'instance can be sequence'
|
|
end
|
|
local bojack = Horse('Bojack Horseman')
|
|
test_serdeser(bojack)
|
|
assert.is_true(serdeser(bojack):isInstanceOf(Horse))
|
|
bitser.unregisterClass('Horse')
|
|
end)
|
|
it("serializes SECL instances", function()
|
|
local class_mt = {}
|
|
|
|
function class_mt:__index(key)
|
|
return self.__baseclass[key]
|
|
end
|
|
|
|
local class = setmetatable({ __baseclass = {} }, class_mt)
|
|
|
|
function class:new(...)
|
|
local c = {}
|
|
c.__baseclass = self
|
|
setmetatable(c, getmetatable(self))
|
|
if c.init then
|
|
c:init(...)
|
|
end
|
|
return c
|
|
end
|
|
|
|
local Horse = bitser.registerClass('Horse', class:new())
|
|
function Horse:init(name)
|
|
self.name = name
|
|
self[1] = 'instance can be sequence'
|
|
end
|
|
local bojack = Horse:new('Bojack Horseman')
|
|
test_serdeser(bojack)
|
|
assert.are.equal(serdeser(bojack).__baseclass, Horse)
|
|
bitser.unregisterClass('Horse')
|
|
end)
|
|
it("serializes hump.class instances", function()
|
|
local class = require("class")
|
|
local Horse = bitser.registerClass('Horse', class{})
|
|
function Horse:init(name)
|
|
self.name = name
|
|
self[1] = 'instance can be sequence'
|
|
end
|
|
local bojack = Horse('Bojack Horseman')
|
|
test_serdeser(bojack)
|
|
assert.are.equal(getmetatable(serdeser(bojack)), Horse)
|
|
bitser.unregisterClass('Horse')
|
|
end)
|
|
it("serializes Slither instances", function()
|
|
local class = require("slither")
|
|
local Horse = class 'Horse' {
|
|
__attributes__ = {bitser.registerClass},
|
|
__init__ = function(self, name)
|
|
self.name = name
|
|
self[1] = 'instance can be sequence'
|
|
end
|
|
}
|
|
local bojack = Horse('Bojack Horseman')
|
|
test_serdeser(bojack)
|
|
assert.is_true(class.isinstance(serdeser(bojack), Horse))
|
|
bitser.unregisterClass('Horse')
|
|
end)
|
|
it("serializes Moonscript class instances", function()
|
|
local Horse
|
|
do
|
|
local _class_0
|
|
local _base_0 = {}
|
|
_base_0.__index = _base_0
|
|
_class_0 = setmetatable({
|
|
__init = function(self, name)
|
|
self.name = name
|
|
self[1] = 'instance can be sequence'
|
|
end,
|
|
__base = _base_0,
|
|
__name = "Horse"}, {
|
|
__index = _base_0,
|
|
__call = function(cls, ...)
|
|
local _self_0 = setmetatable({}, _base_0)
|
|
cls.__init(_self_0, ...)
|
|
return _self_0
|
|
end
|
|
})
|
|
_base_0.__class = _class_0
|
|
Horse = _class_0
|
|
end
|
|
assert.are.same(Horse.__name, "Horse") -- to shut coveralls up
|
|
bitser.registerClass(Horse)
|
|
local bojack = Horse('Bojack Horseman')
|
|
test_serdeser(bojack)
|
|
local new_bojack = serdeser(bojack)
|
|
assert.are.equal(new_bojack.__class, Horse)
|
|
bitser.unregisterClass('Horse')
|
|
end)
|
|
it("serializes custom class instances", function()
|
|
local Horse_mt = bitser.registerClass('Horse', {__index = {}}, nil, setmetatable)
|
|
local function Horse(name)
|
|
local self = {}
|
|
self.name = name
|
|
self[1] = 'instance can be sequence'
|
|
return setmetatable(self, Horse_mt)
|
|
end
|
|
local bojack = Horse('Bojack Horseman')
|
|
test_serdeser(bojack)
|
|
assert.are.equal(getmetatable(serdeser(bojack)), Horse_mt)
|
|
bitser.unregisterClass('Horse')
|
|
end)
|
|
it("serializes classes that repeat keys", function()
|
|
local my_mt = {"hi"}
|
|
local works = { foo = 'a', bar = {baz = 'b'}, }
|
|
local broken = { foo = 'a', bar = {foo = 'b'}, }
|
|
local more_broken = {
|
|
foo = 'a',
|
|
baz = {foo = 'b', bar = 'c'},
|
|
quz = {bar = 'd', bam = 'e'}
|
|
}
|
|
setmetatable(works, my_mt)
|
|
setmetatable(broken, my_mt)
|
|
setmetatable(more_broken, my_mt)
|
|
bitser.registerClass("Horse", my_mt, nil, setmetatable)
|
|
test_serdeser(works)
|
|
test_serdeser(broken)
|
|
test_serdeser(more_broken)
|
|
bitser.unregisterClass('Horse')
|
|
end)
|
|
it("serializes big data", function()
|
|
local text = "this is a lot of nonsense, please disregard, we need a lot of data to get past 4 KiB (114 characters should do it)"
|
|
local t = {}
|
|
for i = 1, 40 do
|
|
t[i] = text .. i -- no references allowed!
|
|
end
|
|
test_serdeser(t)
|
|
end)
|
|
it("serializes many references", function()
|
|
local max = 1000
|
|
local t = {}
|
|
local t2 = {}
|
|
for i = 1, max do
|
|
t.t = {}
|
|
t = t.t
|
|
t2[i] = t
|
|
end
|
|
test_serdeser({t, t2})
|
|
end)
|
|
it("serializes resources with long names", function()
|
|
local temp_resource = {}
|
|
bitser.register("temp_resource_or_whatever", temp_resource)
|
|
assert.are.equal(serdeser({this = temp_resource}).this, temp_resource)
|
|
bitser.unregister("temp_resource_or_whatever")
|
|
end)
|
|
it("serializes resources with the same name as serialized strings", function()
|
|
local temp_resource = {}
|
|
bitser.register('temp', temp_resource)
|
|
test_serdeser({temp='temp', {temp_resource}})
|
|
bitser.unregister('temp')
|
|
end)
|
|
it("serializes resources with the same long name as serialized strings", function()
|
|
local temp_resource = {}
|
|
bitser.register('temp_resource_or_whatever', temp_resource)
|
|
test_serdeser({temp_resource_or_whatever='temp_resource_or_whatever', {temp_resource}})
|
|
bitser.unregister('temp_resource_or_whatever')
|
|
end)
|
|
it("cannot serialize functions", function()
|
|
assert.has_error(function() bitser.dumps(function() end) end, "cannot serialize type function")
|
|
end)
|
|
it("cannot serialize unsupported class libraries without explicit deserializer", function()
|
|
assert.has_error(function() bitser.registerClass('Horse', {mane = 'majestic'}) end, "no deserializer given for unsupported class library")
|
|
end)
|
|
it("cannot deserialize values from unassigned type bytes", function()
|
|
assert.has_error(function() bitser.loads("\254") end, "unsupported serialized type 254")
|
|
assert.has_error(function() bitser.loads("\255") end, "unsupported serialized type 255")
|
|
end)
|
|
it("can load from raw data", function()
|
|
assert.are.same(bitser.loadData(ffi.new("uint8_t[4]", 195, 103, 118, 120), 4), "gvx")
|
|
end)
|
|
it("will not read from zero length data", function()
|
|
assert.has_error(function() bitser.loadData(ffi.new("uint8_t[1]", 0), 0) end)
|
|
end)
|
|
it("will not read from zero length string", function()
|
|
assert.has_error(function() bitser.loads("") end)
|
|
end)
|
|
it("will not read past the end of the buffer", function()
|
|
assert.has_error(function() bitser.loadData(ffi.new("uint8_t[4]", 196, 103, 118, 120), 4) end)
|
|
end)
|
|
it("can clear the buffer", function()
|
|
bitser.clearBuffer()
|
|
end)
|
|
it("can write to new buffer after reading from read-only buffer", function()
|
|
test_serdeser("bitser")
|
|
bitser.loadData(ffi.new("uint8_t[4]", 195, 103, 118, 120), 4)
|
|
test_serdeser("bitser")
|
|
end)
|
|
it("can dump and load LÖVE files", function()
|
|
local v = {value = "value"}
|
|
bitser.dumpLoveFile("some_file_name", v)
|
|
assert.are.same(v, bitser.loadLoveFile("some_file_name"))
|
|
end)
|
|
it("can read and write simple cdata", function()
|
|
test_serdeser(ffi.new('double', 42.5))
|
|
end)
|
|
it("can read and write cdata with a registered ctype", function()
|
|
pcall(ffi.cdef,[[
|
|
struct some_struct {
|
|
int a;
|
|
double b;
|
|
};
|
|
]])
|
|
local value = ffi.new('struct some_struct', 42, 1.25)
|
|
bitser.register('struct_type', ffi.typeof(value))
|
|
test_serdeser_idempotent(value)
|
|
bitser.unregister('struct_type')
|
|
end)
|
|
it("can read and write cdata without registering its ctype", function()
|
|
pcall(ffi.cdef,[[
|
|
struct some_struct {
|
|
int a;
|
|
double b;
|
|
};
|
|
]])
|
|
local value = ffi.new('struct some_struct', 42, 1.25)
|
|
test_serdeser_idempotent(value)
|
|
end)
|
|
it("cannot read from anonymous structs", function()
|
|
local v = bitser.dumps(ffi.new('struct { int a; }'))
|
|
assert.has_error(function() bitser.loads(v) end)
|
|
end)
|
|
it("can read and write simple multiple cdata of the same ctype without getting confused", function()
|
|
test_serdeser({ffi.new('double', 42.5), ffi.new('double', 12), ffi.new('double', 0.01)})
|
|
end)
|
|
it("can read and write metatables", function()
|
|
local t = setmetatable({foo="foo"}, {__index = {bar="bar"}})
|
|
test_serdeser(t)
|
|
assert.are.same(getmetatable(t), getmetatable(serdeser(t)))
|
|
assert.are.same(serdeser(t).bar, "bar")
|
|
end)
|
|
end)
|