diff --git a/app/helpers/navigation_helper.rb b/app/helpers/navigation_helper.rb
index 002df4507..e05606658 100644
--- a/app/helpers/navigation_helper.rb
+++ b/app/helpers/navigation_helper.rb
@@ -1,8 +1,8 @@
 module NavigationHelper
   def navigation_links_internal
     [
-      { text: "Manuals", href: manuals_path },
-      { text: "What's new", href: whats_new_path },
+      { text: "Manuals", href: manuals_path, active: request.path == manuals_path },
+      { text: "What's new", href: whats_new_path, active: request.path == whats_new_path },
     ]
   end
 
diff --git a/spec/helpers/navigation_helper_spec.rb b/spec/helpers/navigation_helper_spec.rb
new file mode 100644
index 000000000..64aa36f67
--- /dev/null
+++ b/spec/helpers/navigation_helper_spec.rb
@@ -0,0 +1,42 @@
+require "spec_helper"
+describe NavigationHelper, type: :helper do
+  describe "#navigation_links_internal" do
+    it "returns a list of internal links" do
+      expect(navigation_links_internal).to be_an_instance_of(Array)
+    end
+
+    it "includes a link to manuals" do
+      expect(navigation_links_internal).to include(a_hash_including(text: "Manuals", href: manuals_path))
+    end
+
+    it "includes a link to what's new" do
+      expect(navigation_links_internal).to include(a_hash_including(text: "What's new", href: whats_new_path))
+    end
+
+    it "sets the link to the current page as active" do
+      request.path = manuals_path
+      expect(navigation_links_internal).to include(a_hash_including(text: "Manuals", active: true))
+      expect(navigation_links_internal).to include(a_hash_including(text: "What's new", active: false))
+    end
+  end
+
+  describe "#navigation_links_auth" do
+    let(:current_user) { User.create!(name: "John Doe") }
+
+    it "returns a list of auth links" do
+      expect(navigation_links_auth).to be_an_instance_of(Array)
+    end
+
+    it "includes a link to the user's profile" do
+      expect(navigation_links_auth).to include(
+        a_hash_including(text: "John Doe", href: Plek.external_url_for("signon")),
+      )
+    end
+
+    it "includes a link to sign out" do
+      expect(navigation_links_auth).to include(
+        a_hash_including(text: "Log out", href: gds_sign_out_path),
+      )
+    end
+  end
+end