Add feature test

spec/features/form/address_search_spec.rb

@@ -0,0 +1,52 @@
+require "rails_helper"
+require_relative "helpers"
+
+RSpec.describe "Address Search" do
+  include Helpers
+  let(:user) { FactoryBot.create(:user) }
+  let(:sales_log) do
+    FactoryBot.create(
+      :sales_log,
+      :shared_ownership_setup_complete,
+      assigned_to: user,
+      manual_address_entry_selected: false,
+    )
+  end
+
+  before do
+    sign_in user
+  end
+
+  context "when using address search feature" do
+    before do
+      visit("/sales-logs/#{sales_log.id}/address-search")
+    end
+
+    it "allows searching by a UPRN", js: true do
+      find("#sales-log-uprn-field").click.native.send_keys("1", "0", "0", "3", "3", "5", "4", "4", "6", "1", "4", :down)
+      expect(find("#sales-log-uprn-field").value).to eq("10033544614")
+    end
+
+    it "allows searching by address", js: true do
+      find("#sales-log-uprn-field").click.native.send_keys("S", "W", "1", "5", :down, :enter)
+      expect(find("#sales-log-uprn-field").value).to eq("SW15")
+    end
+
+    it "maintains enhancement state across back navigation", js: true do
+      find("#sales-log-uprn-field").click.native.send_keys("S", "W", "1", "5", :down, :enter)
+      click_button("Save and continue")
+      page.go_back
+      expect(page).to have_selector("input", class: "autocomplete__input", count: 1)
+    end
+
+    it "displays the placeholder text", js: true do
+      expect(find("#sales-log-uprn-field")["placeholder"]).to eq("Start typing to search")
+    end
+
+    it "displays correct bottom guidance text" do
+      find("span.govuk-details__summary-text", text: "Can’t find the address you’re looking for?").click
+      expect(page).to have_content("Some properties may not be available yet e.g. new builds; you might need to enter them manually instead")
+      expect(page).to have_content("For UPRN (Unique Property Reference Number), please enter the full value exactly")
+    end
+  end
+end