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-- test/test-supple.lua
--
-- Supple - Tests for the core module
--
-- Copyright 2012 Daniel Silverstone <dsilvers@digital-scurf.org>
--
-- For Licence terms, see COPYING
--
-- Step one, start coverage
local luacov = require 'luacov'
local objects = require 'supple.objects'
local capi = require 'supple.capi'
local testnames = {}
local real_assert = assert
local total_asserts = 0
local function assert(...)
local retval = real_assert(...)
total_asserts = total_asserts + 1
return retval
end
local function add_test(suite, name, value)
rawset(suite, name, value)
testnames[#testnames+1] = name
end
local suite = setmetatable({}, {__newindex = add_test})
function suite.give_integral_types()
assert(objects.give(nil) == nil, "Nil didn't pass through")
assert(objects.give(true) == true, "True didn't pass through")
assert(objects.give(false) == false, "False didn't pass through")
assert(objects.give(123) == 123, "Number didn't pass through")
assert(objects.give("") == "", "String didn't pass through")
end
function suite.set_name_works()
local unique_name = tostring({})
objects.set_name(unique_name)
local expn = objects.give({})
assert(expn.tag:find(unique_name), "set_name not passing through")
end
function suite.give_table()
local tab = {}
objects.set_name("give_table")
local expn = objects.give(tab)
assert(tab ~= expn, "Table passed through")
assert(expn.tag:match("^give_table:"), "Tag didn't come through")
local expn2 = objects.give(tab)
assert(expn ~= expn2, "Expansion was the same")
assert(expn.tag == expn2.tag, "Expansion tags did not match")
end
function suite.receive_integral_types()
assert(objects.receive(nil) == nil, "Nil didn't pass through")
assert(objects.receive(true) == true, "True didn't pass through")
assert(objects.receive(false) == false, "False didn't pass through")
assert(objects.receive(123) == 123, "Number didn't pass through")
assert(objects.receive("") == "", "String didn't pass through")
end
function suite.receive_function()
local last_cb = nil
local function cb(tag, name, ...)
last_cb = {
tag = tag,
name = name,
args = {...}
}
return last_cb
end
local unique_id = tostring({})
objects.set_proc_call(cb)
local obj = objects.receive {
tag = unique_id,
type = "function"
}
assert(capi.rawtype(obj) == "userdata", "Not a proxy")
assert(capi.type(obj) == "function", "Not a proxied function")
assert(obj("fish") == last_cb, "Call method not propagated")
assert(type(last_cb) == "table", "Call didn't reach callback")
assert(last_cb.tag == unique_id, "Tag not propagated")
assert(last_cb.name == "__call", "__call not propagated")
assert(last_cb.args[1] == "fish", "args not propagated")
local obj2 = objects.receive {
tag = unique_id
}
assert(obj == obj2, "Same object should be same object")
end
function suite.receive_one_of_ours()
local tab = {}
local ours = objects.give(tab)
local back = objects.receive({tag=ours.tag})
assert(tab == back, "Reception of one of ours didn't work")
end
function suite.give_one_of_theirs()
local function cb(...)
end
objects.set_proc_call(cb)
local unique_id = "give_one_of_theirs:"..tostring({})
local obj = objects.receive {
tag = unique_id,
type = "function"
}
local out = objects.give(obj)
assert(type(out) == "table", "giving a proxy didn't tabulate")
assert(out.tag == unique_id, "giving back one of theirs wasn't right")
end
function suite.receive_table()
local last_cb = nil
local function cb(tag, name, ...)
last_cb = {
tag = tag,
name = name,
args = {...}
}
return last_cb
end
local unique_id = tostring({})
objects.set_proc_call(cb)
local obj = objects.receive {
tag = unique_id,
type = "table"
}
assert(capi.rawtype(obj) == "userdata", "Not a proxy")
assert(capi.type(obj) == "table", "Not a proxied function")
assert(obj.thingy == last_cb, "Didn't proxy index")
assert(last_cb.name == "__index", "didn't proxy")
assert(last_cb.args[1] == "thingy", "proxy wasn't right")
end
function suite.received_object_gc()
local last_cb = nil
local function cb(tag, name, ...)
last_cb = {
tag = tag,
name = name,
}
return last_cb
end
local unique_id = tostring({})
objects.set_proc_call(cb)
local obj = objects.receive {
tag = unique_id,
type = "table"
}
assert(capi.rawtype(obj) == "userdata", "Not a proxy")
assert(capi.type(obj) == "table", "Not a proxied function")
-- deliberately lose the object
obj = nil
collectgarbage()
assert(last_cb.name == "__gc", "GC didn't go through")
end
local count_ok = 0
for _, testname in ipairs(testnames) do
-- print("Run: " .. testname)
local ok, err = xpcall(suite[testname], debug.traceback)
if not ok then
print(err)
print()
else
count_ok = count_ok + 1
end
end
print(tostring(count_ok) .. "/" .. tostring(#testnames) .. " [" .. tostring(total_asserts) .. "] OK")
os.exit(count_ok == #testnames and 0 or 1)
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