Remove user prereq from First Order promorule

core/app/models/spree/promotion/rules/first_order.rb

@@ -18,8 +18,6 @@ def eligible?(order, options = {})
             if !completed_orders.blank? && completed_orders.first != order
               eligibility_errors.add(:base, eligibility_error_message(:not_first_order))
             end
-          else
-            eligibility_errors.add(:base, eligibility_error_message(:no_user_or_email_specified))
           end
 
           eligibility_errors.empty?

core/lib/spree/testing_support/factories/promotion_factory.rb

@@ -60,5 +60,15 @@
       end
     end
     factory :promotion_with_item_total_rule, traits: [:with_item_total_rule]
+    trait :with_first_order_rule do
+      after(:create) do |promotion, _evaluator|
+        rule = Spree::Promotion::Rules::FirstOrder.create!(
+          promotion: promotion,
+        )
+        promotion.rules << rule
+        promotion.save!
+      end
+    end
+    factory :promotion_with_first_order_rule, traits: [:with_first_order_rule]
   end
 end

core/spec/models/spree/promotion/rules/first_order_spec.rb

@@ -8,11 +8,11 @@
   let(:user) { mock_model(Spree::LegacyUser) }
 
   context "without a user or email" do
-    it { expect(rule).not_to be_eligible(order) }
-    it "sets an error message" do
+    it { expect(rule).to be_eligible(order) }
+    it "does not set an error message" do
       rule.eligible?(order)
       expect(rule.eligibility_errors.full_messages.first).
-        to eq "You need to login or provide your email before applying this coupon code."
+        to be_nil
     end
   end
 

frontend/spec/features/first_order_promotion_spec.rb

@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.feature "First Order promotion" do
+  given!(:promotion) do
+    FactoryBot.create(
+      :promotion_with_first_order_rule,
+      :with_order_adjustment,
+      code: "FIRSTONEFREE",
+      per_code_usage_limit: 10
+    )
+  end
+
+  background do
+    create(:store)
+    product = FactoryBot.create(:product)
+    visit spree.root_path
+    click_link product.name
+    click_button "Add To Cart"
+  end
+
+  scenario "Adding first order promotion to cart and checking out as guest" do
+    fill_in "Coupon code", with: "FIRSTONEFREE"
+    click_button "Apply Code"
+    expect(page).to have_content("The coupon code was successfully applied to your order")
+
+    within("#cart_adjustments") do
+      expect(page).to have_content("-$10.00")
+    end
+  end
+
+  scenario "Trying to reuse first order promotion" do
+    previous_user = FactoryBot.create(
+      :user,
+      email: "sam@tom.com"
+    )
+    _previous_order = create(:completed_order_with_totals, user: previous_user)
+    fill_in "Coupon code", with: "FIRSTONEFREE"
+    click_button "Apply Code"
+    expect(page).to have_content("The coupon code was successfully applied to your order")
+    click_on "Checkout"
+    fill_in "Customer E-Mail", with: "sam@tom.com"
+    fill_in_address
+    click_on "Save and Continue"
+    expect(page).to_not have_content("#summary-order-charges")
+  end
+
+  def fill_in_address
+    address = "order_bill_address_attributes"
+    fill_in "#{address}_firstname", with: "Ryan"
+    fill_in "#{address}_lastname", with: "Bigg"
+    fill_in "#{address}_address1", with: "143 Swan Street"
+    fill_in "#{address}_city", with: "Richmond"
+    select "United States of America", from: "#{address}_country_id"
+    fill_in "#{address}_zipcode", with: "12345"
+    fill_in "#{address}_phone", with: "(555) 555-5555"
+  end
+end