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79 lines
2.1 KiB
79 lines
2.1 KiB
local serialization = require "util.serialization";
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describe("util.serialization", function ()
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describe("serialize", function ()
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it("makes a string", function ()
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assert.is_string(serialization.serialize({}));
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assert.is_string(serialization.serialize(nil));
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assert.is_string(serialization.serialize(1));
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assert.is_string(serialization.serialize(true));
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end);
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it("rejects function by default", function ()
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assert.has_error(function ()
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serialization.serialize(function () end)
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end);
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end);
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it("makes a string in debug mode", function ()
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assert.is_string(serialization.serialize(function () end, "debug"));
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end);
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it("rejects cycles", function ()
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assert.has_error(function ()
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local t = {}
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t[t] = { t };
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serialization.serialize(t)
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end);
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-- also with multirefs allowed
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assert.has_error(function ()
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local t = {}
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t[t] = { t };
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serialization.serialize(t, { multirefs = true })
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end);
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end);
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it("rejects multiple references to same table", function ()
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assert.has_error(function ()
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local t1 = {};
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local t2 = { t1, t1 };
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serialization.serialize(t2, { multirefs = false });
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end);
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end);
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it("optionally allows multiple references to same table", function ()
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assert.has_error(function ()
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local t1 = {};
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local t2 = { t1, t1 };
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serialization.serialize(t2, { multirefs = true });
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end);
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end);
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it("roundtrips", function ()
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local function test(data)
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local serialized = serialization.serialize(data);
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assert.is_string(serialized);
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local deserialized, err = serialization.deserialize(serialized);
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assert.same(data, deserialized, err);
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end
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test({});
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test({hello="world"});
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test("foobar")
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test("\0\1\2\3");
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test("nödåtgärd");
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test({1,2,3,4});
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test({foo={[100]={{"bar"},{baz=1}}}});
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test({["goto"] = {["function"]={["do"]="keywords"}}});
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end);
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it("can serialize with metatables", function ()
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local s = serialization.new({ freeze = true });
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local t = setmetatable({ a = "hi" }, { __freeze = function (t) return { t.a } end });
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local rt = serialization.deserialize(s(t));
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assert.same({"hi"}, rt);
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end);
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end);
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end);
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