1 files changed, 29 insertions, 0 deletions
diff --git a/spec/features/merge_requests/toggler_behavior_spec.rb b/spec/features/merge_requests/toggler_behavior_spec.rb
new file mode 100644
index 00000000000..6958f6a2c9f
--- /dev/null
+++ b/spec/features/merge_requests/toggler_behavior_spec.rb
@@ -0,0 +1,29 @@
+require 'spec_helper'
+
+feature 'toggler_behavior', js: true, feature: true do
+  let(:user) { create(:user) }
+  let(:project) { create(:project) }
+  let(:merge_request) { create(:merge_request, source_project: project, author: user) }
+  let(:note) { create(:diff_note_on_merge_request, noteable: merge_request, project: project) }
+  let(:fragment_id) { "#note_#{note.id}" }
+
+  before do
+    login_as :admin
+    project = merge_request.source_project
+    visit "#{namespace_project_merge_request_path(project.namespace, project, merge_request)}#{fragment_id}"
+    page.current_window.resize_to(1000, 300)
+  end
+
+  describe 'scroll position' do
+    it 'should be scrolled down to fragment' do
+      page_height = page.current_window.size[1]
+      page_scroll_y = page.evaluate_script("window.scrollY")
+      fragment_position_top = page.evaluate_script("document.querySelector('#{fragment_id}').getBoundingClientRect().top")
+
+      expect(find('.js-toggle-content').visible?).to eq true
+      expect(find(fragment_id).visible?).to eq true
+      expect(fragment_position_top).to be > page_scroll_y
+      expect(fragment_position_top).to be < (page_scroll_y + page_height)
+    end
+  end
+end