Add controller spec for split checkout

spec/controllers/split_checkout_controller_spec.rb

@@ -0,0 +1,182 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe SplitCheckoutController, type: :controller do
+  let(:user) { order.user }
+  let(:address) { create(:address) }
+  let(:distributor) { create(:distributor_enterprise, with_payment_and_shipping: true) }
+  let(:order_cycle) { create(:order_cycle, distributors: [distributor]) }
+  let(:exchange) { order_cycle.exchanges.outgoing.first }
+  let(:order) {
+    create(:order_with_line_items, line_items_count: 1, distributor: distributor,
+                                   order_cycle: order_cycle)
+  }
+  let(:payment_method) { distributor.payment_methods.first }
+  let(:shipping_method) { distributor.shipping_methods.first }
+
+  before do
+    allow(Flipper).to receive(:enabled?).with(:split_checkout) { true }
+    allow(Flipper).to receive(:enabled?).with(:split_checkout, anything) { true }
+
+    exchange.variants << order.line_items.first.variant
+    allow(controller).to receive(:current_order) { order }
+    allow(controller).to receive(:spree_current_user) { user }
+  end
+
+  describe "#edit" do
+    it "renders the checkout" do
+      get :edit, params: { step: "details" }
+      expect(response.status).to eq 200
+    end
+
+    it "redirects to current step if no step is given" do
+      get :edit
+      expect(response).to redirect_to checkout_step_path(:details)
+    end
+
+    context "when line items in the cart are not valid" do
+      before { allow(controller).to receive(:valid_order_line_items?) { false } }
+
+      it "redirects to cart" do
+        get :edit
+        expect(response).to redirect_to cart_path
+      end
+    end
+  end
+
+  describe "#update" do
+    let(:checkout_params) { {} }
+    let(:params) { { step: step }.merge(checkout_params) }
+
+    context "details step" do
+      let(:step) { "details" }
+
+      context "with incomplete data" do
+        let(:checkout_params) { { order: { email: user.email } } }
+
+        it "returns 422 and some feedback" do
+          put :update, params: params
+
+          expect(response.status).to eq 422
+          expect(flash[:error]).to eq "Saving failed, please update the highlighted fields."
+          expect(order.reload.state).to eq "cart"
+        end
+      end
+
+      context "with complete data" do
+        let(:checkout_params) do
+          {
+            order: {
+              email: user.email,
+              bill_address_attributes: address.to_param,
+              ship_address_attributes: address.to_param
+            },
+            shipping_method_id: shipping_method.id
+          }
+        end
+
+        it "updates and redirects to payment step" do
+          put :update, params: params
+
+          expect(response).to redirect_to checkout_step_path(:payment)
+          expect(order.reload.state).to eq "payment"
+        end
+      end
+    end
+
+    context "payment step" do
+      let(:step) { "payment" }
+
+      before do
+        order.bill_address = address
+        order.ship_address = address
+        order.select_shipping_method shipping_method.id
+        OrderWorkflow.new(order).advance_to_payment
+      end
+
+      context "with incomplete data" do
+        let(:checkout_params) { { order: { email: user.email } } }
+
+        it "returns 422 and some feedback" do
+          put :update, params: params
+
+          expect(response.status).to eq 422
+          expect(flash[:error]).to eq "Saving failed, please update the highlighted fields."
+          expect(order.reload.state).to eq "payment"
+        end
+      end
+
+      context "with complete data" do
+        let(:checkout_params) do
+          {
+            order: {
+              payments_attributes: [
+                { payment_method_id: payment_method.id }
+              ]
+            }
+          }
+        end
+
+        it "updates and redirects to payment step" do
+          put :update, params: params
+
+          expect(response).to redirect_to checkout_step_path(:summary)
+          expect(order.reload.state).to eq "confirmation"
+        end
+      end
+    end
+
+    context "summary step" do
+      let(:step) { "summary" }
+
+      before do
+        order.bill_address = address
+        order.ship_address = address
+        order.select_shipping_method shipping_method.id
+        OrderWorkflow.new(order).advance_to_payment
+
+        order.payments << build(:payment, amount: order.total, payment_method: payment_method)
+        order.next
+      end
+
+      describe "confirming the order" do
+        it "completes the order and redirects to order confirmation" do
+          put :update, params: params
+
+          expect(response).to redirect_to order_path(order)
+          expect(order.reload.state).to eq "complete"
+        end
+      end
+
+      context "when accepting T&Cs is required" do
+        before do
+          allow(TermsOfService).to receive(:platform_terms_required?) { true }
+        end
+
+        describe "submitting without accepting the T&Cs" do
+          let(:checkout_params) { {} }
+
+          it "returns 422 and some feedback" do
+            put :update, params: params
+
+            expect(response.status).to eq 422
+            expect(flash[:error]).to eq "Saving failed, please update the highlighted fields."
+            expect(order.reload.state).to eq "confirmation"
+          end
+        end
+
+        describe "submitting and accepting the T&Cs" do
+          let(:checkout_params) { { accept_terms: true } }
+
+          it "completes the order and redirects to order confirmation" do
+            put :update, params: params
+
+            expect(response).to redirect_to order_path(order)
+            expect(order.reload.state).to eq "complete"
+          end
+        end
+      end
+    end
+  end
+end