local errors = require "util.error"

describe("util.error", function ()

	describe("new()", function ()

		it("works", function ()

			local err = errors.new("bork", "bork bork");

			assert.not_nil(err);

			assert.equal("cancel", err.type);

			assert.equal("undefined-condition", err.condition);

			assert.same("bork bork", err.context);

		end);

		describe("templates", function ()

			it("works", function ()

				local templates = {

					["fail"] = {

						type = "wait",

						condition = "internal-server-error",

						code = 555;

					};

				};

				local err = errors.new("fail", { traceback = "in some file, somewhere" }, templates);

				assert.equal("wait", err.type);

				assert.equal("internal-server-error", err.condition);

				assert.equal(555, err.code);

				assert.same({ traceback = "in some file, somewhere" }, err.context);

			end);

		end);

	end);

	describe("is_err()", function ()

		it("works", function ()

			assert.truthy(errors.is_err(errors.new()));

			assert.falsy(errors.is_err("not an error"));

		end);

	end);

	describe("coerce", function ()

		it("works", function ()

			local ok, err = errors.coerce(nil, "it dun goofed");

			assert.is_nil(ok);

			assert.truthy(errors.is_err(err))

		end);

	end);

	describe("from_stanza", function ()

		it("works", function ()

			local st = require "util.stanza";

			local m = st.message({ type = "chat" });

			local e = st.error_reply(m, "modify", "bad-request", nil, "error.example"):tag("extra", { xmlns = "xmpp:example.test" });

			local err = errors.from_stanza(e);

			assert.truthy(errors.is_err(err));

			assert.equal("modify", err.type);

			assert.equal("bad-request", err.condition);

			assert.equal(e, err.context.stanza);

			assert.equal("error.example", err.context.by);

			assert.not_nil(err.extra.tag);

		end);

	end);

	describe("__tostring", function ()

		it("doesn't throw", function ()

			assert.has_no.errors(function ()

				-- See 6f317e51544d

				tostring(errors.new());

			end);

		end);

	end);

	describe("extra", function ()

		it("keeps some extra fields", function ()

			local err = errors.new({condition="gone",text="Sorry mate, it's all gone",extra={uri="file:///dev/null"}});

			assert.is_table(err.extra);

			assert.equal("file:///dev/null", err.extra.uri);

		end);

	end)

end);