util.startup: Check root after detecting platform and reading config (thanks SigmaTel71)
Ensures that startup.detect_platform() runs so know whether to use the
POSIX method of checking the current user or something else. Also after
reading the config so we know whether the root override setting is set.
local serialization = require "util.serialization";
describe("util.serialization", function ()
describe("serialize", function ()
it("makes a string", function ()
assert.is_string(serialization.serialize({}));
assert.is_string(serialization.serialize(nil));
assert.is_string(serialization.serialize(1));
assert.is_string(serialization.serialize(true));
end);
it("rejects function by default", function ()
assert.has_error(function ()
serialization.serialize(function () end)
end);
end);
it("makes a string in debug mode", function ()
assert.is_string(serialization.serialize(function () end, "debug"));
end);
it("rejects cycles", function ()
assert.has_error(function ()
local t = {}
t[t] = { t };
serialization.serialize(t)
end);
-- also with multirefs allowed
assert.has_error(function ()
local t = {}
t[t] = { t };
serialization.serialize(t, { multirefs = true })
end);
end);
it("rejects multiple references to same table", function ()
assert.has_error(function ()
local t1 = {};
local t2 = { t1, t1 };
serialization.serialize(t2, { multirefs = false });
end);
end);
it("optionally allows multiple references to same table", function ()
assert.has_error(function ()
local t1 = {};
local t2 = { t1, t1 };
serialization.serialize(t2, { multirefs = true });
end);
end);
it("roundtrips", function ()
local function test(data)
local serialized = serialization.serialize(data);
assert.is_string(serialized);
local deserialized, err = serialization.deserialize(serialized);
assert.same(data, deserialized, err);
end
test({});
test({hello="world"});
test("foobar")
test("\0\1\2\3");
test("nödåtgärd");
test({1,2,3,4});
test({foo={[100]={{"bar"},{baz=1}}}});
test({["goto"] = {["function"]={["do"]="keywords"}}});
end);
it("can serialize with metatables", function ()
local s = serialization.new({ freeze = true });
local t = setmetatable({ a = "hi" }, { __freeze = function (t) return { t.a } end });
local rt = serialization.deserialize(s(t));
assert.same({"hi"}, rt);
end);
end);
end);