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

# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Spree::Admin::VariantsController do
  context "log in as admin user" do
    before { controller_login_as_admin }

    describe "#index" do
      describe "deleted variants" do
        let(:product) { create(:product, name: 'Product A') }
        let(:deleted_variant) do
          deleted_variant = product.variants.create(
            unit_value: "2", variant_unit: "weight", variant_unit_scale: 1, price: 1,
            primary_taxon: create(:taxon), supplier: create(:supplier_enterprise)
          )
          deleted_variant.delete
          deleted_variant
        end

        it "lists only non-deleted variants with params[:deleted] == off" do
          spree_get :index, product_id: product.id, deleted: "off"
          expect(assigns(:variants)).to eq(product.variants)
        end

        it "lists only deleted variants with params[:deleted] == on" do
          spree_get :index, product_id: product.id, deleted: "on"
          expect(assigns(:variants)).to eq([deleted_variant])
        end
      end
    end

    describe "#update" do
      let!(:variant) {
        create(
          :variant,
          display_name: "Tomatoes",
          sku: 123,
          supplier: producer
        )
      }
      let(:producer) { create(:enterprise) }

      it "updates the variant" do
        expect {
          spree_put(
            :update,
            id: variant.id,
            product_id: variant.product.id,
            variant: { display_name: "Better tomatoes", sku: 456 }
          )
          variant.reload
        }.to change { variant.display_name }.to("Better tomatoes")
          .and change { variant.sku }.to(456.to_s)
      end

      context "when updating supplier" do
        let(:new_producer) { create(:enterprise) }

        it "updates the supplier" do
          expect {
            spree_put(
              :update,
              id: variant.id,
              product_id: variant.product.id,
              variant: { supplier_id: new_producer.id }
            )
            variant.reload
          }.to change { variant.supplier_id }.to(new_producer.id)
        end

        it "removes associated product from existing Order Cycles" do
          distributor = create(:distributor_enterprise)
          order_cycle = create(
            :simple_order_cycle,
            variants: [variant],
            coordinator: distributor,
            distributors: [distributor]
          )

          spree_put(
            :update,
            id: variant.id,
            product_id: variant.product.id,
            variant: { supplier_id: new_producer.id }
          )

          expect(order_cycle.reload.distributed_variants).not_to include variant
        end
      end
    end

    describe "#search" do
      let(:supplier) { create(:supplier_enterprise) }
      let!(:p1) { create(:simple_product, name: 'Product 1', supplier_id: supplier.id) }
      let!(:p2) { create(:simple_product, name: 'Product 2', supplier_id: supplier.id) }
      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
        expect(assigns(:variants)).to eq([v1])
      end

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

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

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

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

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

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

        it 'shows a success flash message' do
          spree_delete :destroy, id: variant.id, product_id: variant.product.id,
                                 format: 'html'
          expect(flash[:success]).to be
        end

        it 'redirects to admin_product_variants_url' do
          spree_delete :destroy, id: variant.id, product_id: variant.product.id,
                                 format: 'html'
          expect(response).to redirect_to spree.admin_product_variants_url(variant.product.id)
        end

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

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

  context "log in as supplier and distributor enable_producers_to_edit_orders" do
    let(:supplier1) { create(:supplier_enterprise) }
    let(:supplier2) { create(:supplier_enterprise) }
    let!(:p1) { create(:simple_product, name: 'Product 1', supplier_id: supplier1.id) }
    let!(:p2) { create(:simple_product, name: 'Product 2', supplier_id: supplier2.id) }
    let!(:v1) { p1.variants.first }
    let!(:v2) { p2.variants.first }
    let!(:d)  { create(:distributor_enterprise, enable_producers_to_edit_orders: true) }
    let!(:oc) { create(:simple_order_cycle, distributors: [d], variants: [v1, v2]) }

    before do
      order = create(:order_with_line_items, distributor: d, line_items_count: 1)
      order.line_items.take.variant.update_attribute(:supplier_id, supplier1.id)
      controller_login_as_enterprise_user([supplier1])
    end

    describe "#search" do
      it "filters by distributor and supplier1 products" do
        order = d.distributed_orders.first
        spree_get :search,
                  q: 'Prod',
                  distributor_id: d.id.to_s,
                  search_variants_as: 'supplier',
                  order_id: order.id.to_s
        expect(assigns(:variants)).to eq([v1])
      end
    end

    describe "#update" do
      it "updates the variant" do
        expect {
          spree_put(
            :update,
            id: v1.id,
            product_id: v1.product.id,
            variant: { display_name: "Better tomatoes", sku: 456 }
          )
          v1.reload
        }.to change { v1.display_name }.to("Better tomatoes")
          .and change { v1.sku }.to(456.to_s)
      end
    end
  end
end