CLDC-4325: Fix duplicate logs controller spec

also introduce a new helper for a dynamic way of setting year

app/helpers/collection_time_helper.rb

@@ -94,4 +94,17 @@ module CollectionTimeHelper
     available_dates = (start_date..end_date).to_a - [date.to_date]
     available_dates.empty? ? nil : available_dates.sample
   end
+
+  # will time travel forwards only if needed.
+  # useful for writing future tests that will also test the current time if it can.
+  # stops tests being frozen on a specific year.
+  def collection_start_date_for_year_or_later(year)
+    Timecop.return do
+      if current_collection_start_year < year
+        collection_start_date_for_year(year)
+      else
+        current_collection_start_date
+      end
+    end
+  end
 end

spec/requests/duplicate_logs_controller_spec.rb

@@ -1,11 +1,22 @@
 require "rails_helper"
 
 RSpec.describe DuplicateLogsController, type: :request do
+  include CollectionTimeHelper
+
   let(:page) { Capybara::Node::Simple.new(response.body) }
   let(:user) { create(:user, :data_coordinator) }
   let(:lettings_log) { create(:lettings_log, :duplicate, assigned_to: user) }
   let(:sales_log) { create(:sales_log, :duplicate, staircase: 2, assigned_to: user) }
 
+  context "when 2025", metadata: { year: 25 } do
+    before do
+      Timecop.travel(collection_start_date_for_year(2025))
+    end
+
+    after do
+      Timecop.return
+    end
+
     describe "GET show" do
       context "when user is not signed in" do
         it "redirects to sign in page" do
@@ -454,6 +465,466 @@ RSpec.describe DuplicateLogsController, type: :request do
         end
       end
     end
+  end
+
+  context "when 2026 or later", metadata: { year: 26 } do
+    before do
+      Timecop.travel(collection_start_date_for_year_or_later(2026))
+    end
+
+    after do
+      Timecop.return
+    end
+
+    describe "GET show" do
+      context "when user is not signed in" do
+        it "redirects to sign in page" do
+          get "/lettings-logs/#{lettings_log.id}/duplicate-logs"
+          expect(response).to redirect_to("/account/sign-in")
+        end
+      end
+
+      context "when the user is from different organisation" do
+        let(:other_user) { create(:user) }
+
+        before do
+          allow(other_user).to receive(:need_two_factor_authentication?).and_return(false)
+          sign_in other_user
+        end
+
+        it "renders page not found" do
+          get "/lettings-logs/#{lettings_log.id}/duplicate-logs"
+          expect(response).to have_http_status(:not_found)
+        end
+      end
+
+      context "when user is signed in" do
+        context "when user is support" do
+          let(:support_user_org) { create(:organisation) }
+          let(:user) { create(:user, :support, organisation: support_user_org) }
+
+          before do
+            allow(user).to receive(:need_two_factor_authentication?).and_return(false)
+            sign_in user
+          end
+
+          context "when viewing lettings logs duplicates" do
+            context "when there are multiple duplicate logs" do
+              let(:duplicate_logs) { create_list(:lettings_log, 2, :completed) }
+
+              before do
+                allow(LettingsLog).to receive(:duplicate_logs).and_return(duplicate_logs)
+                get "/lettings-logs/#{lettings_log.id}/duplicate-logs?original_log_id=#{lettings_log.id}&organisation_id=#{lettings_log.owning_organisation_id}"
+              end
+
+              it "displays links to all the duplicate logs" do
+                expect(page).to have_link("Log #{lettings_log.id}", href: "/lettings-logs/#{lettings_log.id}")
+                expect(page).to have_link("Log #{duplicate_logs.first.id}", href: "/lettings-logs/#{duplicate_logs.first.id}")
+                expect(page).to have_link("Log #{duplicate_logs.second.id}", href: "/lettings-logs/#{duplicate_logs.second.id}")
+              end
+
+              it "displays check your answers for each log with correct questions" do
+                expect(page).to have_content("- Tenancy start date", count: 3)
+                expect(page).to have_content("- Tenant code", count: 3)
+                expect(page).to have_content("- Lead tenant’s age", count: 3)
+                expect(page).to have_content("- Lead tenant’s sex registered at birth", count: 3)
+                expect(page).to have_content("- Lead tenant’s working situation", count: 3)
+                expect(page).to have_content("Household rent and charges", count: 3)
+                expect(page).to have_link("Change", count: 27)
+                expect(page).to have_link("Change", href: "/lettings-logs/#{lettings_log.id}/tenant-code?first_remaining_duplicate_id=#{duplicate_logs[0].id}&organisation_id=#{lettings_log.owning_organisation_id}&original_log_id=#{lettings_log.id}&referrer=duplicate_logs")
+                expect(page).to have_link("Change", href: "/lettings-logs/#{duplicate_logs[0].id}/tenant-code?first_remaining_duplicate_id=#{lettings_log.id}&organisation_id=#{lettings_log.owning_organisation_id}&original_log_id=#{lettings_log.id}&referrer=duplicate_logs")
+                expect(page).to have_link("Change", href: "/lettings-logs/#{duplicate_logs[1].id}/tenant-code?first_remaining_duplicate_id=#{lettings_log.id}&organisation_id=#{lettings_log.owning_organisation_id}&original_log_id=#{lettings_log.id}&referrer=duplicate_logs")
+              end
+
+              it "displays check your answers for each log with correct questions where UPRN is given" do
+                lettings_log.update!(uprn: "123", uprn_known: 1, uprn_confirmed: 1, manual_address_entry_selected: false)
+                duplicate_logs[0].update!(uprn: "123", uprn_known: 1, uprn_confirmed: 1, manual_address_entry_selected: false)
+                get "/lettings-logs/#{lettings_log.id}/duplicate-logs?original_log_id=#{lettings_log.id}"
+
+                expect(page).to have_content("- Tenancy start date", count: 3)
+                expect(page).to have_content("- Tenant code", count: 3)
+                expect(page).to have_content("- Address", count: 3)
+                expect(page).to have_content("- Lead tenant’s age", count: 3)
+                expect(page).to have_content("- Lead tenant’s sex registered at birth", count: 3)
+                expect(page).to have_content("- Lead tenant’s working situation", count: 3)
+                expect(page).to have_content("Household rent and charges", count: 3)
+                expect(page).to have_link("Change", count: 25)
+                expect(page).to have_link("Change", href: "/lettings-logs/#{lettings_log.id}/tenant-code?first_remaining_duplicate_id=#{duplicate_logs[0].id}&original_log_id=#{lettings_log.id}&referrer=duplicate_logs")
+                expect(page).to have_link("Change", href: "/lettings-logs/#{duplicate_logs[0].id}/tenant-code?first_remaining_duplicate_id=#{lettings_log.id}&original_log_id=#{lettings_log.id}&referrer=duplicate_logs")
+                expect(page).to have_link("Change", href: "/lettings-logs/#{duplicate_logs[1].id}/tenant-code?first_remaining_duplicate_id=#{lettings_log.id}&original_log_id=#{lettings_log.id}&referrer=duplicate_logs")
+              end
+
+              it "displays buttons to delete" do
+                expect(page).to have_link("Keep this log and delete duplicates", count: 3)
+                expect(page).to have_link("Keep this log and delete duplicates", href: "/lettings-logs/#{lettings_log.id}/delete-duplicates?organisation_id=#{lettings_log.owning_organisation_id}&original_log_id=#{lettings_log.id}")
+                expect(page).to have_link("Keep this log and delete duplicates", href: "/lettings-logs/#{duplicate_logs.first.id}/delete-duplicates?organisation_id=#{lettings_log.owning_organisation_id}&original_log_id=#{lettings_log.id}")
+                expect(page).to have_link("Keep this log and delete duplicates", href: "/lettings-logs/#{duplicate_logs.second.id}/delete-duplicates?organisation_id=#{lettings_log.owning_organisation_id}&original_log_id=#{lettings_log.id}")
+              end
+            end
+
+            context "when there are no more duplicate logs" do
+              context "when accessed from the duplicate logs banner flow" do
+                before do
+                  allow(LettingsLog).to receive(:duplicate_logs).and_return(LettingsLog.none)
+                  get "/lettings-logs/#{lettings_log.id}/duplicate-logs?original_log_id=#{lettings_log.id}&organisation_id=#{lettings_log.owning_organisation_id}&referrer=duplicate_logs_banner"
+                end
+
+                it "displays check your answers for each log with correct questions" do
+                  expect(page).to have_content("- Tenancy start date", count: 1)
+                  expect(page).to have_content("- Tenant code", count: 1)
+                  expect(page).to have_content("- Lead tenant’s age", count: 1)
+                  expect(page).to have_content("- Lead tenant’s sex registered at birth", count: 1)
+                  expect(page).to have_content("- Lead tenant’s working situation", count: 1)
+                  expect(page).to have_content("Household rent and charges", count: 1)
+                  expect(page).to have_link("Change", count: 9)
+                  expect(page).to have_link("Change", href: "/lettings-logs/#{lettings_log.id}/tenant-code?original_log_id=#{lettings_log.id}&referrer=interruption_screen")
+                end
+
+                it "displays button to review other duplicates" do
+                  expect(page).to have_link("Review other duplicates", href: "/organisations/#{lettings_log.owning_organisation_id}/duplicates?referrer=duplicate_logs_banner")
+                end
+
+                it "displays no duplicates banner" do
+                  expect(page).to have_content("This log had the same answers but it is no longer a duplicate. Make sure the answers are correct.")
+                end
+              end
+
+              context "when accessed from the single log submission flow" do
+                before do
+                  allow(LettingsLog).to receive(:duplicate_logs).and_return(LettingsLog.none)
+                  get "/lettings-logs/#{lettings_log.id}/duplicate-logs?original_log_id=#{lettings_log.id}&organisation_id=#{lettings_log.owning_organisation_id}"
+                end
+
+                it "displays check your answers for each log with correct questions" do
+                  expect(page).to have_content("- Tenancy start date", count: 1)
+                  expect(page).to have_content("- Tenant code", count: 1)
+                  expect(page).to have_content("- Lead tenant’s age", count: 1)
+                  expect(page).to have_content("- Lead tenant’s sex registered at birth", count: 1)
+                  expect(page).to have_content("- Lead tenant’s working situation", count: 1)
+                  expect(page).to have_content("Household rent and charges", count: 1)
+                  expect(page).to have_link("Change", count: 9)
+                  expect(page).to have_link("Change", href: "/lettings-logs/#{lettings_log.id}/tenant-code?original_log_id=#{lettings_log.id}&referrer=interruption_screen")
+                end
+
+                it "displays button to return to log" do
+                  expect(page).to have_link("Back to Log #{lettings_log.id}", href: "/lettings-logs/#{lettings_log.id}")
+                end
+
+                it "displays no duplicates banner" do
+                  expect(page).to have_content("This log had the same answers but it is no longer a duplicate. Make sure the answers are correct.")
+                end
+              end
+            end
+          end
+
+          context "when viewing sales logs duplicates" do
+            context "when there are multiple duplicate logs" do
+              let(:duplicate_logs) { create_list(:sales_log, 2, :completed) }
+
+              before do
+                allow(SalesLog).to receive(:duplicate_logs).and_return(duplicate_logs)
+                get "/sales-logs/#{sales_log.id}/duplicate-logs?original_log_id=#{sales_log.id}&organisation_id=#{sales_log.owning_organisation_id}"
+              end
+
+              it "displays links to all the duplicate logs" do
+                expect(page).to have_link("Log #{sales_log.id}", href: "/sales-logs/#{sales_log.id}")
+                expect(page).to have_link("Log #{duplicate_logs.first.id}", href: "/sales-logs/#{duplicate_logs.first.id}")
+                expect(page).to have_link("Log #{duplicate_logs.second.id}", href: "/sales-logs/#{duplicate_logs.second.id}")
+              end
+
+              it "displays check your answers for each log with correct questions" do
+                expect(page).to have_content("- Owning organisation", count: 3)
+                expect(page).to have_content("- Sale completion date", count: 3)
+                expect(page).to have_content("- Purchaser code", count: 3)
+                expect(page).to have_content("- Buyer 1’s age", count: 3)
+                expect(page).to have_content("- Buyer 1’s sex registered at birth", count: 3)
+                expect(page).to have_content("- Buyer 1’s working situation", count: 3)
+                expect(page).to have_content("- Postcode", count: 3)
+                expect(page).to have_content("- Address line 1", count: 3)
+                expect(page).to have_link("Change", count: 24)
+                expect(page).to have_link("Change", href: "/sales-logs/#{sales_log.id}/purchaser-code?first_remaining_duplicate_id=#{duplicate_logs[0].id}&organisation_id=#{sales_log.owning_organisation_id}&original_log_id=#{sales_log.id}&referrer=duplicate_logs")
+                expect(page).to have_link("Change", href: "/sales-logs/#{duplicate_logs[0].id}/purchaser-code?first_remaining_duplicate_id=#{sales_log.id}&organisation_id=#{sales_log.owning_organisation_id}&original_log_id=#{sales_log.id}&referrer=duplicate_logs")
+                expect(page).to have_link("Change", href: "/sales-logs/#{duplicate_logs[1].id}/purchaser-code?first_remaining_duplicate_id=#{sales_log.id}&organisation_id=#{sales_log.owning_organisation_id}&original_log_id=#{sales_log.id}&referrer=duplicate_logs")
+              end
+
+              it "displays check your answers for each log with correct questions when UPRN is given" do
+                sales_log.update!(uprn: "123", uprn_known: 1, manual_address_entry_selected: false)
+                duplicate_logs[0].update!(uprn: "123", uprn_known: 1, manual_address_entry_selected: false)
+                duplicate_logs[1].update!(uprn: "123", uprn_known: 1, manual_address_entry_selected: false)
+                get "/sales-logs/#{sales_log.id}/duplicate-logs?original_log_id=#{sales_log.id}"
+
+                expect(page).to have_content("- Sale completion date", count: 3)
+                expect(page).to have_content("- Purchaser code", count: 3)
+                expect(page).to have_content("- Buyer 1’s age", count: 3)
+                expect(page).to have_content("- Buyer 1’s sex registered at birth", count: 3)
+                expect(page).to have_content("- Buyer 1’s working situation", count: 3)
+                expect(page).to have_content("- Address", count: 3)
+                expect(page).to have_link("Change", count: 21)
+                expect(page).to have_link("Change", href: "/sales-logs/#{sales_log.id}/purchaser-code?first_remaining_duplicate_id=#{duplicate_logs[0].id}&original_log_id=#{sales_log.id}&referrer=duplicate_logs")
+                expect(page).to have_link("Change", href: "/sales-logs/#{duplicate_logs[0].id}/purchaser-code?first_remaining_duplicate_id=#{sales_log.id}&original_log_id=#{sales_log.id}&referrer=duplicate_logs")
+                expect(page).to have_link("Change", href: "/sales-logs/#{duplicate_logs[1].id}/purchaser-code?first_remaining_duplicate_id=#{sales_log.id}&original_log_id=#{sales_log.id}&referrer=duplicate_logs")
+              end
+
+              it "displays buttons to delete" do
+                expect(page).to have_link("Keep this log and delete duplicates", count: 3)
+                expect(page).to have_link("Keep this log and delete duplicates", href: "/sales-logs/#{sales_log.id}/delete-duplicates?organisation_id=#{sales_log.owning_organisation_id}&original_log_id=#{sales_log.id}")
+                expect(page).to have_link("Keep this log and delete duplicates", href: "/sales-logs/#{duplicate_logs.first.id}/delete-duplicates?organisation_id=#{sales_log.owning_organisation_id}&original_log_id=#{sales_log.id}")
+                expect(page).to have_link("Keep this log and delete duplicates", href: "/sales-logs/#{duplicate_logs.second.id}/delete-duplicates?organisation_id=#{sales_log.owning_organisation_id}&original_log_id=#{sales_log.id}")
+              end
+            end
+
+            context "when there are no more duplicate logs" do
+              context "when accessed from the duplicate logs banner flow" do
+                before do
+                  allow(SalesLog).to receive(:duplicate_logs).and_return(SalesLog.none)
+                  get "/sales-logs/#{sales_log.id}/duplicate-logs?original_log_id=#{sales_log.id}&referrer=duplicate_logs_banner&organisation_id=#{sales_log.owning_organisation_id}"
+                end
+
+                it "displays check your answers for each log with correct questions" do
+                  expect(page).to have_content("- Sale completion date", count: 1)
+                  expect(page).to have_content("- Purchaser code", count: 1)
+                  expect(page).to have_content("- Buyer 1’s age", count: 1)
+                  expect(page).to have_content("- Buyer 1’s sex registered at birth", count: 1)
+                  expect(page).to have_content("- Buyer 1’s working situation", count: 1)
+                  expect(page).to have_content("- Postcode", count: 1)
+                  expect(page).to have_content("- Address line 1", count: 1)
+                  expect(page).to have_link("Change", count: 8)
+                  expect(page).to have_link("Change", href: "/sales-logs/#{sales_log.id}/purchaser-code?original_log_id=#{sales_log.id}&referrer=interruption_screen")
+                end
+
+                it "displays button to review other duplicates" do
+                  expect(page).to have_link("Review other duplicates", href: "/organisations/#{sales_log.owning_organisation_id}/duplicates?referrer=duplicate_logs_banner")
+                end
+
+                it "displays no duplicates banner" do
+                  expect(page).to have_content("This log had the same answers but it is no longer a duplicate. Make sure the answers are correct.")
+                end
+              end
+
+              context "when accessed from the single log submission flow" do
+                before do
+                  allow(SalesLog).to receive(:duplicate_logs).and_return(SalesLog.none)
+                  get "/sales-logs/#{sales_log.id}/duplicate-logs?original_log_id=#{sales_log.id}&organisation_id=#{sales_log.owning_organisation_id}"
+                end
+
+                it "displays check your answers for each log with correct questions" do
+                  expect(page).to have_content("- Sale completion date", count: 1)
+                  expect(page).to have_content("- Purchaser code", count: 1)
+                  expect(page).to have_content("- Buyer 1’s age", count: 1)
+                  expect(page).to have_content("- Buyer 1’s sex registered at birth", count: 1)
+                  expect(page).to have_content("- Buyer 1’s working situation", count: 1)
+                  expect(page).to have_content("- Postcode", count: 1)
+                  expect(page).to have_content("- Address line 1", count: 1)
+                  expect(page).to have_link("Change", count: 8)
+                  expect(page).to have_link("Change", href: "/sales-logs/#{sales_log.id}/purchaser-code?original_log_id=#{sales_log.id}&referrer=interruption_screen")
+                end
+
+                it "displays button to return to log" do
+                  expect(page).to have_link("Back to Log #{sales_log.id}", href: "/sales-logs/#{sales_log.id}")
+                end
+
+                it "displays no duplicates banner" do
+                  expect(page).to have_content("This log had the same answers but it is no longer a duplicate. Make sure the answers are correct.")
+                end
+              end
+            end
+          end
+        end
+
+        context "when user is a data provider" do
+          before do
+            allow(user).to receive(:need_two_factor_authentication?).and_return(false)
+            sign_in user
+          end
+
+          context "when viewing lettings logs duplicates" do
+            context "when there are multiple duplicate logs" do
+              let(:duplicate_logs) { create_list(:lettings_log, 2, :completed) }
+
+              before do
+                allow(LettingsLog).to receive(:duplicate_logs).and_return(duplicate_logs)
+                get "/lettings-logs/#{lettings_log.id}/duplicate-logs?original_log_id=#{lettings_log.id}"
+              end
+
+              it "displays links to all the duplicate logs" do
+                expect(page).to have_link("Log #{lettings_log.id}", href: "/lettings-logs/#{lettings_log.id}")
+                expect(page).to have_link("Log #{duplicate_logs.first.id}", href: "/lettings-logs/#{duplicate_logs.first.id}")
+                expect(page).to have_link("Log #{duplicate_logs.second.id}", href: "/lettings-logs/#{duplicate_logs.second.id}")
+              end
+
+              it "displays check your answers for each log with correct questions" do
+                expect(page).to have_content("- Tenancy start date", count: 3)
+                expect(page).to have_content("- Tenant code", count: 3)
+                expect(page).to have_content("- Lead tenant’s age", count: 3)
+                expect(page).to have_content("- Lead tenant’s sex registered at birth", count: 3)
+                expect(page).to have_content("- Lead tenant’s working situation", count: 3)
+                expect(page).to have_content("Household rent and charges", count: 3)
+                expect(page).to have_link("Change", count: 24)
+                expect(page).to have_link("Change", href: "/lettings-logs/#{lettings_log.id}/tenant-code?first_remaining_duplicate_id=#{duplicate_logs[0].id}&original_log_id=#{lettings_log.id}&referrer=duplicate_logs")
+                expect(page).to have_link("Change", href: "/lettings-logs/#{duplicate_logs[0].id}/tenant-code?first_remaining_duplicate_id=#{lettings_log.id}&original_log_id=#{lettings_log.id}&referrer=duplicate_logs")
+                expect(page).to have_link("Change", href: "/lettings-logs/#{duplicate_logs[1].id}/tenant-code?first_remaining_duplicate_id=#{lettings_log.id}&original_log_id=#{lettings_log.id}&referrer=duplicate_logs")
+              end
+
+              it "displays buttons to delete" do
+                expect(page).to have_link("Keep this log and delete duplicates", count: 3)
+                expect(page).to have_link("Keep this log and delete duplicates", href: "/lettings-logs/#{lettings_log.id}/delete-duplicates?original_log_id=#{lettings_log.id}")
+                expect(page).to have_link("Keep this log and delete duplicates", href: "/lettings-logs/#{duplicate_logs.first.id}/delete-duplicates?original_log_id=#{lettings_log.id}")
+                expect(page).to have_link("Keep this log and delete duplicates", href: "/lettings-logs/#{duplicate_logs.second.id}/delete-duplicates?original_log_id=#{lettings_log.id}")
+              end
+            end
+
+            context "when there are no more duplicate logs" do
+              context "when accessed from the duplicate logs banner flow" do
+                before do
+                  allow(LettingsLog).to receive(:duplicate_logs).and_return(LettingsLog.none)
+                  get "/lettings-logs/#{lettings_log.id}/duplicate-logs?original_log_id=#{lettings_log.id}&referrer=duplicate_logs_banner"
+                end
+
+                it "displays check your answers for each log with correct questions" do
+                  expect(page).to have_content("- Tenancy start date", count: 1)
+                  expect(page).to have_content("- Tenant code", count: 1)
+                  expect(page).to have_content("- Lead tenant’s age", count: 1)
+                  expect(page).to have_content("- Lead tenant’s sex registered at birth", count: 1)
+                  expect(page).to have_content("- Lead tenant’s working situation", count: 1)
+                  expect(page).to have_content("Household rent and charges", count: 1)
+                  expect(page).to have_link("Change", count: 8)
+                  expect(page).to have_link("Change", href: "/lettings-logs/#{lettings_log.id}/tenant-code?original_log_id=#{lettings_log.id}&referrer=interruption_screen")
+                end
+
+                it "displays button to review other duplicates" do
+                  expect(page).to have_link("Review other duplicates", href: "/duplicate-logs?referrer=duplicate_logs_banner")
+                end
+
+                it "displays no duplicates banner" do
+                  expect(page).to have_content("This log had the same answers but it is no longer a duplicate. Make sure the answers are correct.")
+                end
+              end
+
+              context "when accessed from the single log submission flow" do
+                before do
+                  allow(LettingsLog).to receive(:duplicate_logs).and_return(LettingsLog.none)
+                  get "/lettings-logs/#{lettings_log.id}/duplicate-logs?original_log_id=#{lettings_log.id}"
+                end
+
+                it "displays check your answers for each log with correct questions" do
+                  expect(page).to have_content("- Tenancy start date", count: 1)
+                  expect(page).to have_content("- Tenant code", count: 1)
+                  expect(page).to have_content("- Lead tenant’s age", count: 1)
+                  expect(page).to have_content("- Lead tenant’s sex registered at birth", count: 1)
+                  expect(page).to have_content("- Lead tenant’s working situation", count: 1)
+                  expect(page).to have_content("Household rent and charges", count: 1)
+                  expect(page).to have_link("Change", count: 8)
+                  expect(page).to have_link("Change", href: "/lettings-logs/#{lettings_log.id}/tenant-code?original_log_id=#{lettings_log.id}&referrer=interruption_screen")
+                end
+
+                it "displays button to return to log" do
+                  expect(page).to have_link("Back to Log #{lettings_log.id}", href: "/lettings-logs/#{lettings_log.id}")
+                end
+
+                it "displays no duplicates banner" do
+                  expect(page).to have_content("This log had the same answers but it is no longer a duplicate. Make sure the answers are correct.")
+                end
+              end
+            end
+          end
+
+          context "when viewing sales logs duplicates" do
+            context "when there are multiple duplicate logs" do
+              let(:duplicate_logs) { create_list(:sales_log, 2, :completed) }
+
+              before do
+                allow(SalesLog).to receive(:duplicate_logs).and_return(duplicate_logs)
+                get "/sales-logs/#{sales_log.id}/duplicate-logs?original_log_id=#{sales_log.id}"
+              end
+
+              it "displays links to all the duplicate logs" do
+                expect(page).to have_link("Log #{sales_log.id}", href: "/sales-logs/#{sales_log.id}")
+                expect(page).to have_link("Log #{duplicate_logs.first.id}", href: "/sales-logs/#{duplicate_logs.first.id}")
+                expect(page).to have_link("Log #{duplicate_logs.second.id}", href: "/sales-logs/#{duplicate_logs.second.id}")
+              end
+
+              it "displays check your answers for each log with correct questions" do
+                expect(page).to have_content("- Sale completion date", count: 3)
+                expect(page).to have_content("- Purchaser code", count: 3)
+                expect(page).to have_content("- Buyer 1’s age", count: 3)
+                expect(page).to have_content("- Buyer 1’s sex registered at birth", count: 3)
+                expect(page).to have_content("- Buyer 1’s working situation", count: 3)
+                expect(page).to have_content("- Postcode", count: 3)
+                expect(page).to have_content("- Address line 1", count: 3)
+                expect(page).to have_link("Change", count: 21)
+                expect(page).to have_link("Change", href: "/sales-logs/#{sales_log.id}/purchaser-code?first_remaining_duplicate_id=#{duplicate_logs[0].id}&original_log_id=#{sales_log.id}&referrer=duplicate_logs")
+                expect(page).to have_link("Change", href: "/sales-logs/#{duplicate_logs[0].id}/purchaser-code?first_remaining_duplicate_id=#{sales_log.id}&original_log_id=#{sales_log.id}&referrer=duplicate_logs")
+                expect(page).to have_link("Change", href: "/sales-logs/#{duplicate_logs[1].id}/purchaser-code?first_remaining_duplicate_id=#{sales_log.id}&original_log_id=#{sales_log.id}&referrer=duplicate_logs")
+              end
+
+              it "displays buttons to delete" do
+                expect(page).to have_link("Keep this log and delete duplicates", count: 3)
+                expect(page).to have_link("Keep this log and delete duplicates", href: "/sales-logs/#{sales_log.id}/delete-duplicates?original_log_id=#{sales_log.id}")
+                expect(page).to have_link("Keep this log and delete duplicates", href: "/sales-logs/#{duplicate_logs.first.id}/delete-duplicates?original_log_id=#{sales_log.id}")
+                expect(page).to have_link("Keep this log and delete duplicates", href: "/sales-logs/#{duplicate_logs.second.id}/delete-duplicates?original_log_id=#{sales_log.id}")
+              end
+            end
+
+            context "when there are no more duplicate logs" do
+              context "when accessed from the duplicate logs banner flow" do
+                before do
+                  allow(SalesLog).to receive(:duplicate_logs).and_return(SalesLog.none)
+                  get "/sales-logs/#{sales_log.id}/duplicate-logs?original_log_id=#{sales_log.id}&referrer=duplicate_logs_banner"
+                end
+
+                it "displays check your answers for each log with correct questions" do
+                  expect(page).to have_content("- Sale completion date", count: 1)
+                  expect(page).to have_content("- Purchaser code", count: 1)
+                  expect(page).to have_content("- Buyer 1’s age", count: 1)
+                  expect(page).to have_content("- Buyer 1’s sex registered at birth", count: 1)
+                  expect(page).to have_content("- Buyer 1’s working situation", count: 1)
+                  expect(page).to have_content("- Postcode", count: 1)
+                  expect(page).to have_content("- Address line 1", count: 1)
+                  expect(page).to have_link("Change", count: 7)
+                  expect(page).to have_link("Change", href: "/sales-logs/#{sales_log.id}/purchaser-code?original_log_id=#{sales_log.id}&referrer=interruption_screen")
+                end
+
+                it "displays button to review other duplicates" do
+                  expect(page).to have_link("Review other duplicates", href: "/duplicate-logs?referrer=duplicate_logs_banner")
+                end
+
+                it "displays no duplicates banner" do
+                  expect(page).to have_content("This log had the same answers but it is no longer a duplicate. Make sure the answers are correct.")
+                end
+              end
+
+              context "when accessed from the single log submission flow" do
+                before do
+                  allow(SalesLog).to receive(:duplicate_logs).and_return(SalesLog.none)
+                  get "/sales-logs/#{sales_log.id}/duplicate-logs?original_log_id=#{sales_log.id}"
+                end
+
+                it "displays check your answers for each log with correct questions" do
+                  expect(page).to have_content("- Sale completion date", count: 1)
+                  expect(page).to have_content("- Purchaser code", count: 1)
+                  expect(page).to have_content("- Buyer 1’s age", count: 1)
+                  expect(page).to have_content("- Buyer 1’s sex registered at birth", count: 1)
+                  expect(page).to have_content("- Buyer 1’s working situation", count: 1)
+                  expect(page).to have_content("- Postcode", count: 1)
+                  expect(page).to have_content("- Address line 1", count: 1)
+                  expect(page).to have_link("Change", count: 7)
+                  expect(page).to have_link("Change", href: "/sales-logs/#{sales_log.id}/purchaser-code?original_log_id=#{sales_log.id}&referrer=interruption_screen")
+                end
+
+                it "displays button to return to log" do
+                  expect(page).to have_link("Back to Log #{sales_log.id}", href: "/sales-logs/#{sales_log.id}")
+                end
+
+                it "displays no duplicates banner" do
+                  expect(page).to have_content("This log had the same answers but it is no longer a duplicate. Make sure the answers are correct.")
+                end
+              end
+            end
+          end
+        end
+      end
+    end
+  end
 
   describe "GET lettings delete-duplicates" do
     let(:id) { lettings_log.id }