Extract HasOrders + partial from DebatesController

spec/controllers/concerns/has_orders_spec.rb

@@ -0,0 +1,37 @@
+require 'rails_helper'
+
+describe 'HasOrders' do
+
+  class FakeController < ActionController::Base; end
+
+  controller(FakeController) do
+    include HasOrders
+    has_orders ['created_at', 'votes_count', 'flags_count'], only: :index
+
+    def index
+      render text: "#{@current_order} (#{@valid_orders.join(' ')})"
+    end
+  end
+
+  it "has the valid orders set up" do
+    get :index
+    expect(response.body).to eq('created_at (created_at votes_count flags_count)')
+  end
+
+  describe "the current order" do
+    it "defaults to the first one on the list" do
+      get :index
+      expect(response.body).to eq('created_at (created_at votes_count flags_count)')
+    end
+
+    it "can be changed by the order param" do
+      get :index, order: 'votes_count'
+      expect(response.body).to eq('votes_count (created_at votes_count flags_count)')
+    end
+
+    it "defaults to the first one on the list if given a bogus order" do
+      get :index, order: 'foobar'
+      expect(response.body).to eq('created_at (created_at votes_count flags_count)')
+    end
+  end
+end