1 files changed, 77 insertions, 0 deletions
diff --git a/spec/support/shared_examples/features/wiki/user_views_asciidoc_page_with_includes_shared_examples.rb b/spec/support/shared_examples/features/wiki/user_views_asciidoc_page_with_includes_shared_examples.rb
new file mode 100644
index 00000000000..3b2fda4e05b
--- /dev/null
+++ b/spec/support/shared_examples/features/wiki/user_views_asciidoc_page_with_includes_shared_examples.rb
@@ -0,0 +1,77 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples 'User views AsciiDoc page with includes' do
+  let_it_be(:wiki_content_selector) { '[data-qa-selector=wiki_page_content]' }
+  let!(:included_wiki_page) { create_wiki_page('included_page', content: 'Content from the included page')}
+  let!(:wiki_page) { create_wiki_page('home', content: "Content from the main page.\ninclude::included_page.asciidoc[]") }
+
+  def create_wiki_page(title, content:)
+    attrs = {
+      title: title,
+      content: content,
+      format: :asciidoc
+    }
+
+    create(:wiki_page, wiki: wiki, **attrs)
+  end
+
+  before do
+    sign_in(user)
+  end
+
+  context 'when the file being included exists', :js do
+    it 'includes the file contents' do
+      visit(wiki_page_path(wiki, wiki_page))
+
+      page.within(:css, wiki_content_selector) do
+        expect(page).to have_content('Content from the main page. Content from the included page')
+      end
+    end
+
+    context 'when there are multiple versions of the wiki pages' do
+      before do
+        # rubocop:disable Rails/SaveBang
+        included_wiki_page.update(message: 'updated included file', content: 'Updated content from the included page')
+        wiki_page.update(message: 'updated wiki page', content: "Updated content from the main page.\ninclude::included_page.asciidoc[]")
+        # rubocop:enable Rails/SaveBang
+      end
+
+      let(:latest_version_id) { wiki_page.versions.first.id }
+      let(:oldest_version_id) { wiki_page.versions.last.id }
+
+      context 'viewing the latest version' do
+        it 'includes the latest content' do
+          visit(wiki_page_path(wiki, wiki_page, version_id: latest_version_id))
+
+          page.within(:css, wiki_content_selector) do
+            expect(page).to have_content('Updated content from the main page. Updated content from the included page')
+          end
+        end
+      end
+
+      context 'viewing the original version' do
+        it 'includes the content from the original version' do
+          visit(wiki_page_path(wiki, wiki_page, version_id: oldest_version_id))
+
+          page.within(:css, wiki_content_selector) do
+            expect(page).to have_content('Content from the main page. Content from the included page')
+          end
+        end
+      end
+    end
+  end
+
+  context 'when the file being included does not exist', :js do
+    before do
+      included_wiki_page.delete
+    end
+
+    it 'outputs an error' do
+      visit(wiki_page_path(wiki, wiki_page))
+
+      page.within(:css, wiki_content_selector) do
+        expect(page).to have_content('Content from the main page. [ERROR: include::included_page.asciidoc[] - unresolved directive]')
+      end
+    end
+  end
+end