test for title format functionality

app/views/organisations/index.html.erb

@@ -1,9 +1,5 @@
 <% item_label = format_label(@pagy.count, "organisation") %>
-<% if @searched.present? %>
-  <% title = "Organisations (#{@pagy.count} #{item_label} matching ‘#{@searched}’)" %>
-<% else %>
-  <% title = "Organisations" %>
-<% end %>
+<% title = format_title(request.path, @searched, "Organisations", current_user, item_label, @pagy.count) %>
 
 <% content_for :title, title %>
 

spec/helpers/item_label_helper_spec.rb

@@ -1,9 +1,8 @@
 require "rails_helper"
 
 RSpec.describe ItemLabelHelper do
-  let(:item) { "organisation" }
-
   describe "#format_label" do
+    let(:item) { "organisation" }
     it "returns singular when count is 1" do
       expect(format_label(1, item)).to eq("organisation")
     end
@@ -12,4 +11,32 @@ RSpec.describe ItemLabelHelper do
       expect(format_label(2, item)).to eq("organisations")
     end
   end
+
+  describe "#format_title" do
+    context "coordinator user" do
+      let(:user) { FactoryBot.create(:user, :support) }
+      let(:path) { "/organisations" }
+      let(:page_title) { "Title" }
+      let(:item_label) { "label" }
+      let(:search_item)  { nil }
+      let(:count)  { 1 }
+
+      context "search is missing" do
+        let(:expected_title) { page_title }
+
+        it "returns expected title when no search" do
+          expect(format_title(path, nil, page_title, user, item_label, count)).to eq(expected_title)
+        end
+      end
+
+      context "search is present" do
+        let(:search_item)  { "foobar" }
+        let(:expected_title) { "#{page_title} (#{count} #{item_label} matching ‘#{search_item}’)" }
+
+        it "returns expected title when search is present" do
+          expect(format_title(path, search_item, page_title, user, item_label, count)).to eq(expected_title)
+        end
+      end
+    end
+  end
 end