created item groups and link banners and their associations and fixed bugs with join tables

back-office/test/controllers/item_groups_controller_test.rb

@@ -0,0 +1,49 @@
+require 'test_helper'
+
+class ItemGroupsControllerTest < ActionController::TestCase
+  setup do
+    @item_group = item_groups(:one)
+  end
+
+  test "should get index" do
+    get :index
+    assert_response :success
+    assert_not_nil assigns(:item_groups)
+  end
+
+  test "should get new" do
+    get :new
+    assert_response :success
+  end
+
+  test "should create item_group" do
+    assert_difference('ItemGroup.count') do
+      post :create, item_group: { description: @item_group.description, name: @item_group.name, visible: @item_group.visible }
+    end
+
+    assert_redirected_to item_group_path(assigns(:item_group))
+  end
+
+  test "should show item_group" do
+    get :show, id: @item_group
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get :edit, id: @item_group
+    assert_response :success
+  end
+
+  test "should update item_group" do
+    patch :update, id: @item_group, item_group: { description: @item_group.description, name: @item_group.name, visible: @item_group.visible }
+    assert_redirected_to item_group_path(assigns(:item_group))
+  end
+
+  test "should destroy item_group" do
+    assert_difference('ItemGroup.count', -1) do
+      delete :destroy, id: @item_group
+    end
+
+    assert_redirected_to item_groups_path
+  end
+end