discourse/spec/javascripts/user_action_spec.js

/*global waitsFor:true expect:true describe:true beforeEach:true it:true */
  describe("Discourse.UserAction", function() {
    return describe("collapseStream", function() {
      return it("collapses all likes", function() {
        var actions;
        actions = [
          Discourse.UserAction.create({
            action_type: Discourse.UserAction.LIKE,
            topic_id: 1,
            user_id: 1,
            post_number: 1
          }), Discourse.UserAction.create({
            action_type: Discourse.UserAction.EDIT,
            topic_id: 2,
            user_id: 1,
            post_number: 1
          }), Discourse.UserAction.create({
            action_type: Discourse.UserAction.LIKE,
            topic_id: 1,
            user_id: 2,
            post_number: 1
          })
        ];
        actions = Discourse.UserAction.collapseStream(actions);
        expect(actions.length).toBe(2);
        expect(actions[0].get("children").length).toBe(1);
        return expect(actions[0].get("children")[0].items.length).toBe(2);
      });
    });
  });