私はhartl railsチュートリアルのセクション9にありますが、このdefは意味をなさない。思考?これらのエラーメッセージは何を意味しますか?
1) User pages index
Failure/Error: visit users_path
ActionView::Template::Error:
wrong number of arguments (2 for 1)
# ./app/helpers/users_helper.rb:3:in `gravatar_for'
# ./app/views/users/index.html.erb:7:in `block in _app_views_users_index_html_erb__3004047397113020476_70255017945740'
# ./app/views/users/index.html.erb:5:in `each'
# ./app/views/users/index.html.erb:5:in `_app_views_users_index_html_erb__3004047397113020476_70255017945740'
# ./spec/requests/user_pages_spec.rb:12:in `block (3 levels) in <top (required)>'
2) User pages index should list each user
Failure/Error: visit users_path
ActionView::Template::Error:
wrong number of arguments (2 for 1)
# ./app/helpers/users_helper.rb:3:in `gravatar_for'
# ./app/views/users/index.html.erb:7:in `block in _app_views_users_index_html_erb__3004047397113020476_70255017945740'
# ./app/views/users/index.html.erb:5:in `each'
# ./app/views/users/index.html.erb:5:in `_app_views_users_index_html_erb__3004047397113020476_70255017945740'
# ./spec/requests/user_pages_spec.rb:12:in `block (3 levels) in <top (required)>'
あなたは2つの引数を使って 'gravatar_for'と呼んでいるようです。それは1でなければなりません。 – Robin