Add aria-current=page attribute to selected link

lib/simple_navigation/item.rb

@@ -91,7 +91,11 @@ def method
     # Returns the html attributes for the link as set with the :link_html option
     # at initialization
     def link_html_options
-      @link_html_options ||= options[:link_html]
+      @link_html_options ||= begin
+        link_options = options[:link_html] || {}
+        link_options[:"aria-current"] = "page" if !selected_by_subnav? && selected_by_condition?
+        link_options
+      end
     end
 
     protected

spec/simple_navigation/item_spec.rb

@@ -152,10 +152,32 @@
   end
 
   describe '#link_html_options' do
-    let(:options) { { link_html: :test } }
+    let(:options) { { link_html: { class: "test" } } }
+
+    before { allow(item).to receive_messages(selected?: false, selected_by_condition?: false, selected_by_subnav?: false) }
 
     it "returns the item's link_html option" do
-      expect(item.link_html_options).to eq :test
+      expect(item.link_html_options).to eq({ class: "test" })
+    end
+
+    it "doesn't add an `aria-current` attribute" do
+      expect(item.link_html_options).to_not have_key(:"aria-current")
+    end
+
+    context "when the item is selected by condition but not by subnav (i.e. a selected leaf)" do
+      before { allow(item).to receive_messages(selected?: true, selected_by_condition?: true, selected_by_subnav?: false) }
+
+      it "adds an `aria-current` attribute" do
+        expect(item.link_html_options[:"aria-current"]).to eq "page"
+      end
+    end
+
+    context "when the item is selected by subnav and not by condition" do
+      before { allow(item).to receive_messages(selected?: true, selected_by_condition?: false, selected_by_subnav?: true) }
+
+      it "doesn't add an `aria-current` attribute" do
+        expect(item.link_html_options).to_not have_key(:"aria-current")
+      end
     end
   end
 

spec/simple_navigation/renderer/list_spec.rb

@@ -3,13 +3,10 @@
 RSpec.describe SimpleNavigation::Renderer::List do
   let!(:navigation) { setup_navigation('nav_id', 'nav_class') }
 
-  let(:item) { nil }
   let(:options) { { level: :all } }
   let(:output) { renderer.render(navigation) }
   let(:renderer) { described_class.new(options) }
 
-  before { select_an_item(navigation[item]) if item }
-
   describe '#render' do
     it "renders an 'ul' tag for the navigation" do
       expect(output).to have_css('ul')
@@ -46,7 +43,10 @@
     end
 
     context 'when an item is selected' do
-      let(:item) { :invoices }
+      before do
+        allow(navigation[:invoices]).to \
+          receive_messages(selected?: true, selected_by_condition?: true)
+      end
 
       it "renders the item's 'li' tag with its id and selected classes" do
         expect(output).to have_css('li#invoices.selected')
@@ -55,6 +55,10 @@
       it "renders the item's 'a' tag with the selected classes" do
         expect(output).to have_css('li#invoices a.selected')
       end
+
+      it "renders the item's 'a' tag with with an 'aria-current' attribute" do
+        expect(output).to have_css('li#invoices a[aria-current=page]')
+      end
     end
 
     context 'when the :ordered option is true' do
@@ -88,6 +92,14 @@
       it "renders the selected nested item's link as selected" do
         expect(output).to have_css('li#unpaid.selected')
       end
+
+      it "renders the selected nested item's 'a' tag with with an 'aria-current' attribute" do
+        expect(output).to have_css('li#unpaid a[aria-current=page]')
+      end
+
+      it "does not 'aria-current' to the parent item's link" do
+        expect(output).to_not have_css('li#invoices > a[aria-current=page]')
+      end
     end
   end
 end