minitest - I'm getting an undefined method error when running tests on rails 4 with guard -
i happily working along in hartl's tut (exactly here https://www.railstutorial.org/book/filling_in_the_layout#code-contact_page_test) when started getting error in guard , have not been able find methods or method calls regarding '[]', appreciated. https://github.com/mgmacri/sample-app
02:23:12 - info - running: /home/ubuntu/workspace/sample_app/db/schema.rb doesn't exist yet. run `rake db:migrate` create it, try again. if not intend use database, should instead alter /home/ubuntu/workspace/sample_app/config/application.rb limit frameworks loaded. started error["test_should_get_contact", staticpagescontrollertest, 5.435833117] test_should_get_contact#staticpagescontrollertest (5.44s) actionview::template::error: actionview::template::error: undefined method `[]' nil:nilclass app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb___423443063036763089_70222525057280' test/controllers/static_pages_controller_test.rb:24:in `block in <class:staticpagescontrollertest>' app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb___423443063036763089_70222525057280' test/controllers/static_pages_controller_test.rb:24:in `block in <class:staticpagescontrollertest>' error["test_should_get_help", staticpagescontrollertest, 10.237566481] test_should_get_help#staticpagescontrollertest (10.24s) actionview::template::error: actionview::template::error: undefined method `[]' nil:nilclass app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb___423443063036763089_70222525057280' test/controllers/static_pages_controller_test.rb:12:in `block in <class:staticpagescontrollertest>' app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb___423443063036763089_70222525057280' test/controllers/static_pages_controller_test.rb:12:in `block in <class:staticpagescontrollertest>' error["test_should_get_about", staticpagescontrollertest, 14.55194709] test_should_get_about#staticpagescontrollertest (14.55s) actionview::template::error: actionview::template::error: undefined method `[]' nil:nilclass app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb___423443063036763089_70222525057280' test/controllers/static_pages_controller_test.rb:18:in `block in <class:staticpagescontrollertest>' app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb___423443063036763089_70222525057280' test/controllers/static_pages_controller_test.rb:18:in `block in <class:staticpagescontrollertest>' error["test_should_get_home", staticpagescontrollertest, 19.535717523] test_should_get_home#staticpagescontrollertest (19.54s) actionview::template::error: actionview::template::error: undefined method `[]' nil:nilclass app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb___423443063036763089_70222525057280' test/controllers/static_pages_controller_test.rb:6:in `block in <class:staticpagescontrollertest>' app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb___423443063036763089_70222525057280' test/controllers/static_pages_controller_test.rb:6:in `block in <class:staticpagescontrollertest>' 4/4: [===================================] 100% time: 00:00:19, time: 00:00:19 finished in 19.54385s 4 tests, 0 assertions, 0 failures, 4 errors, 0 skips ================================================================== app/views/layouts/application.html.erb
<!doctype html> <html> <head> <title><%= full_title(yield(:title)) %></title> <%= stylesheet_link_tag "application", media: "all", "data-turbolinks-track" => true %> <%= javascript_include_tag "application", "data-turbolinks-track" => true %> <%= csrf_meta_tags %> <%= render 'layouts/shim' %> </head> <body> <%= render 'layouts/header' %> <div class="container"> <%= yield %> <%= render 'layouts/footer' %> </div> </body> </html> ========================================================== app/helpers/application_helper.rb
module applicationhelper # returns full title on per-page basis. def full_title(page_title = '') base_title = "ruby on rails tutorial sample app" if page_title.empty? base_title else "#{page_title} | #{base_title}" end end end =========================================================================== test/controllers/static_pages_controller.rb
require 'test_helper' class staticpagescontrollertest < actioncontroller::testcase test "should home" :home assert_response :success assert_select "title", "ruby on rails tutorial sample app" end test "should help" :help assert_response :success assert_select "title", "help | ruby on rails tutorial sample app" end test "should about" :about assert_response :success assert_select "title", "about | ruby on rails tutorial sample app" end test "should contact" :contact assert_response :success assert_select "title", "contact | ruby on rails tutorial sample app" end end ====================
the book missed line. add gem 'guard' on gemfile on part group :development gem 'guard' # note: necessary in newer versions gem 'guard-minitest' end
source: here