aboutsummaryrefslogtreecommitdiffstats
path: root/spec/util_serialization_spec.lua
diff options
context:
space:
mode:
Diffstat (limited to 'spec/util_serialization_spec.lua')
-rw-r--r--spec/util_serialization_spec.lua79
1 files changed, 79 insertions, 0 deletions
diff --git a/spec/util_serialization_spec.lua b/spec/util_serialization_spec.lua
new file mode 100644
index 00000000..2af5d803
--- /dev/null
+++ b/spec/util_serialization_spec.lua
@@ -0,0 +1,79 @@
+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);
+