/*global buster, assert, dome, gts*/

buster.testCase("Timeago", {
    "converts abbr content to casual date representation": function () {
        var el = dome.el("abbr", { title: "2008-02-27T00:23:00Z" });
        gts.timeago(el);
        assert.match(el.innerHTML, "ago");
    },

    "uses pre-existing content as title": function () {
        var el = dome.el("abbr", { title: "2008-02-27T00:23:00Z" }, "Today");
        gts.timeago(el);
        assert.match(el.title, "Today");
    },

    "does not use empty content as title": function () {
        var el = dome.el("abbr", { title: "2008-02-27T00:23:00Z" });
        gts.timeago(el);
        assert.match(el.title, "2008-02-27T00:23:00Z");
    },

    "leaves element untouched if no title": function () {
        var el = dome.el("abbr", "Hmm");
        gts.timeago(el);
        assert.equals(el.title, "");
        assert.equals(el.innerHTML, "Hmm");
    },

    "leaves element untouched if title contains invalid date": function () {
        var el = dome.el("abbr", { title: "Oops" }, "Hmm");
        gts.timeago(el);
        assert.equals(el.title, "Oops");
        assert.equals(el.innerHTML, "Hmm");
    },

    "returns element": function () {
        var el = dome.el("abbr", { title: "2008-02-27T00:23:00Z" });
        assert.same(gts.timeago(el), el);

        var invalidEl = dome.el("abbr", { title: "Oops" }, "Hmm");
        assert.same(gts.timeago(invalidEl), invalidEl);
    },

    "periodic": {
        "updates representation immediately": function () {
            var el = dome.el("abbr", { title: "1970-01-01T00:00:00Z" });
            var timeago = gts.timeago.periodic(60000);
            timeago(el);

            assert.match(el.innerHTML, "ago");
        },

        "// updates representations periodically": function () {
            var clock = this.useFakeTimers();
            var now = new Date();
            var els = [
                dome.el("abbr", { title: "1970-01-01T00:00:00Z" }),
                dome.el("abbr", { title: "1970-01-01T00:03:00Z" })
            ];

            var timeago = gts.timeago.periodic(60000);
            timeago(els[0]);
            timeago(els[1]);
            var contents = [els[0].innerHTML, els[1].innerHTML];
            clock.tick(59999);
            assert.equals(els[0].innerHTML, contents[0]);
            assert.equals(els[1].innerHTML, contents[1]);

            clock.tick(1);
            refute.equals(els[0].innerHTML, contents[0]);
            refute.equals(els[1].innerHTML, contents[1]);
        }
    }
});