openfoodnetwork/spec/controllers/spree/admin/variants_controller_spec.rb

require 'spec_helper'

module Spree
  module Admin
    describe VariantsController, type: :controller do
      before { login_as_admin }

      describe "search action" do
        let!(:p1) { create(:simple_product, name: 'Product 1') }
        let!(:p2) { create(:simple_product, name: 'Product 2') }
        let!(:v1) { p1.variants.first }
        let!(:v2) { p2.variants.first }
        let!(:vo) { create(:variant_override, variant: v1, hub: d, count_on_hand: 44) }
        let!(:d)  { create(:distributor_enterprise) }
        let!(:oc) { create(:simple_order_cycle, distributors: [d], variants: [v1]) }

        it "filters by distributor" do
          spree_get :search, q: 'Prod', distributor_id: d.id.to_s
          assigns(:variants).should == [v1]
        end

        it "applies variant overrides" do
          spree_get :search, q: 'Prod', distributor_id: d.id.to_s
          assigns(:variants).should == [v1]
          assigns(:variants).first.count_on_hand.should == 44
        end

        it "filters by order cycle" do
          spree_get :search, q: 'Prod', order_cycle_id: oc.id.to_s
          assigns(:variants).should == [v1]
        end

        it "does not filter when no distributor or order cycle is specified" do
          spree_get :search, q: 'Prod'
          assigns(:variants).should match_array [v1, v2]
        end
      end

      describe '#destroy' do
        let(:variant) { create(:variant) }

        context 'when requesting with js' do
          before do
            allow(Spree::Variant).to receive(:find).with(variant.id.to_s) { variant }
            allow(variant).to receive(:delete)
          end

          it 'deletes the variant' do
            spree_delete :destroy, id: variant.id, product_id: variant.product.permalink, format: 'js'
            expect(variant).to have_received(:delete)
          end

          it 'shows a success flash message' do
            spree_delete :destroy, id: variant.id, product_id: variant.product.permalink, format: 'js'
            expect(flash[:success]).to eq(I18n.t('notice_messages.variant_deleted'))
          end

          it 'renders spree/admin/shared/destroy' do
            spree_delete :destroy, id: variant.id, product_id: variant.product.permalink, format: 'js'
            expect(response).to render_template('spree/admin/shared/_destroy')
          end

          it 'refreshes the cache' do
            expect(OpenFoodNetwork::ProductsCache).to receive(:variant_destroyed).with(variant)
            spree_delete :destroy, id: variant.id, product_id: variant.product.permalink, format: 'js'
          end

          it 'destroys all its exchanges' do
            exchange = create(:exchange)
            variant.exchanges << exchange

            spree_delete :destroy, id: variant.id, product_id: variant.product.permalink, format: 'js'
            expect(variant.exchanges).to be_empty
          end
        end

        context 'when requesting with html' do
          before do
            allow(Spree::Variant).to receive(:find).with(variant.id.to_s) { variant }
            allow(variant).to receive(:delete)
          end

          it 'deletes the variant' do
            spree_delete :destroy, id: variant.id, product_id: variant.product.permalink, format: 'html'
            expect(variant).to have_received(:delete)
          end

          it 'shows a success flash message' do
            spree_delete :destroy, id: variant.id, product_id: variant.product.permalink, format: 'html'
            expect(flash[:success]).to eq(I18n.t('notice_messages.variant_deleted'))
          end

          it 'redirects to admin_product_variants_url' do
            spree_delete :destroy, id: variant.id, product_id: variant.product.permalink, format: 'html'
            expect(response).to redirect_to(
              controller: 'spree/admin/variants',
              action: :index,
              product_id: variant.product.permalink
            )
          end

          it 'refreshes the cache' do
            expect(OpenFoodNetwork::ProductsCache).to receive(:variant_destroyed).with(variant)
            spree_delete :destroy, id: variant.id, product_id: variant.product.permalink, format: 'js'
          end

          it 'destroys all its exchanges' do
            exchange = create(:exchange)
            variant.exchanges << exchange

            spree_delete :destroy, id: variant.id, product_id: variant.product.permalink, format: 'js'
            expect(variant.exchanges).to be_empty
          end
        end
      end
    end
  end
end