Add minimum specs

spec/system/quill_editor_spec.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+RSpec.describe 'Quill editor', type: :system do
+  let(:author) { Author.create!(email: 'some_email@example.com', name: 'John Doe', age: 30) }
+  let(:post) { Post.create!(title: 'Test', author: author, description: 'Some content...') }
+
+  before do
+    post
+  end
+
+  after do
+    post.destroy
+    author.destroy
+  end
+
+  context 'with a Quill editor' do
+    it 'updates some HTML content' do
+      visit "/admin/posts/#{post.id}/edit"
+
+      expect(page).to have_css('#post_description_input .ql-editor', text: 'Some content...')
+      find('#post_description_input .ql-editor').base.send_keys('more text')
+
+      find('[type="submit"]').click
+      expect(page).to have_content('was successfully updated')
+      expect(post.reload.description).to eq '<p>Some content...more text</p>'
+    end
+  end
+end