File

spec/util_serialization_spec.lua @ 11430:56a282ecdcf1

net.resolvers.basic: Fix completion condition when IPv6 is disabled Fixes mistake introduced in 5a71f14ab77c that made it so this ready() newer got called and thus it would be stuck waiting for it. Looks like the kind of thing that could have been introduced by a merge or rebase. Thanks MattJ
author Kim Alvefur <zash@zash.se>
date Mon, 15 Mar 2021 23:09:42 +0100
parent 9567:dbfa286cfa88
line wrap: on
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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);