Add noindex metatag to mobile specific pages

The publications will be linked to from mobile. We don't want them
being indexed by search engines as they should be solely consumed by
users of the GOV.UK mobile app.

Author: 1pretz1

app/presenters/publication_presenter.rb

@@ -26,8 +26,16 @@ def dataset?
     %(national_statistics official_statistics transparency).include? document_type
   end
 
-  # this is a temporary hack and should be removed in approx 3 months
   def hide_from_search_engines?
-    content_item["base_path"] == "/government/publications/pension-credit-claim-form--2"
+    # this is a temporary hack and should be removed in approx 3 months
+    return true if content_item["base_path"] == "/government/publications/pension-credit-claim-form--2"
+
+    mobile_paths = %w[
+      /government/publications/govuk-app-terms-and-conditions
+      /government/publications/govuk-app-privacy-notice-how-we-use-your-data
+      /government/publications/govuk-app-test-privacy-notice-how-we-use-your-data
+      /government/publications/accessibility-statement-for-the-govuk-append
+    ]
+    mobile_paths.include?(content_item["base_path"])
   end
 end

test/integration/publication_test.rb

@@ -300,6 +300,20 @@ class PublicationTest < ActionDispatch::IntegrationTest
     assert page.has_css?('meta[name="robots"][content="noindex"]', visible: false)
   end
 
+  test "adds the noindex meta tag to mobile paths" do
+    mobile_paths = %w[
+      /government/publications/govuk-app-terms-and-conditions
+      /government/publications/govuk-app-privacy-notice-how-we-use-your-data
+      /government/publications/govuk-app-test-privacy-notice-how-we-use-your-data
+      /government/publications/accessibility-statement-for-the-govuk-append
+    ]
+    mobile_paths.each do |path|
+      overrides = { "base_path" => path }
+      setup_and_visit_content_item("publication-with-featured-attachments", overrides)
+      assert page.has_css?('meta[name="robots"][content="noindex"]', visible: false)
+    end
+  end
+
   test "translates Welsh published date correctly" do
     setup_and_visit_content_item("publication", { "locale" => "cy" })
 

test/presenters/publication_presenter_test.rb

@@ -101,4 +101,19 @@ def schema_name
 
     assert presented.hide_from_search_engines?
   end
+
+  test "hide_from_search_engines? returns true if the page is related to mobile" do
+    schema_example = schema_item("publication-with-featured-attachments")
+    mobile_paths = %w[
+      /government/publications/govuk-app-terms-and-conditions
+      /government/publications/govuk-app-privacy-notice-how-we-use-your-data
+      /government/publications/govuk-app-test-privacy-notice-how-we-use-your-data
+      /government/publications/accessibility-statement-for-the-govuk-append
+    ]
+    mobile_paths.each do |path|
+      schema_example["base_path"] = path
+      presented = presented_item("publication", schema_example)
+      assert presented.hide_from_search_engines?
+    end
+  end
 end