Suggestion: Upgrade to a newer version before doing the Bootstrap upgrade and test if everything still works as expected. Here is a migration guide for Select2
...navigation on your own. Tip: Add a feature for your navigation bar beforehand and test links and their highlighting (don't forget dropdown submenus!). After upgrading to Bootstrap 4 you...
...verification") added without_partial_double_verification. This might be handy in case you are testing helpers in Rails, where you sometimes rely on methods defined in the application controller (e.g...
...module UsersHelper def user_display_name [current_user.first_name, current_user.last_name].join(' ') end end Unit test with error describe UsersHelper do describe '#user_display_name' do it 'returns the first and...
When an AJAX request raises an exception on the server, Rails will show a minimal error page with only basic...
...default for building is production. Activate an environment with -e staging or --environment=staging. Test for environments like this: environment? :staging Testing Complex "static" pages might need some integration testing...
...To employ Cucumber with Spreewald and Selenium, add these gems to the Gemfile: group :test do gem 'cucumber' gem 'spreewald' gem 'capybara' gem 'selenium-webdriver' # Only for running tests in...
...wrong number of arguments. This dual approach allows you to move very quickly and test components in isolation, while giving you confidence that your doubles are not a complete fiction...
...navigate to Settings -> Editor -> File and Code Templates. Example You can navigate to the test file of the currently open file with the shortcut Ctrl + T. If no test file...
...exists, you can generate a new test file. If you are not pleased with the output, you can adjust the related code template. To do this, open the project settings...
...at least 2.2.0. Set a cookie with options secure: true, samesite: 'strict|lax|none'. Testing in advance To test the effect of the new Chrome behavior on your site or...
...close them as well! See the suggested helper at the bottom of this card. Test support If you access Redis in tests, I suggest introducing a helper method. Example for...
...redis ||= Redis.new(url: REDIS_URL) end end RSpec.configure do |config| config.include(RedisHelpers) end Your Tests may then say redis.get('example'). But I still want to use a global
View specs are a powerful tool to test several rendering paths by their cases instead of using a more costing feature spec. This is especially useful because they become quite...
...the view independent from the controller-logic. Therefore it will be more applicable to test views within request specs. But, even then, you still can use Caypbara's matchers within...
When you find similar groups of expect calls in your tests, you can improve readability by extracting the group into its own matcher. RSpec makes this easy by allowing matchers...
...to call other matchers. Example The following test checks that two variables foo and bar (1) have no lowercase characters and (2) end with an exclamation mark: expect(foo).to...
...directly on GitLab, or by checking out the corresponding branch. You can assume that tests are green, but you need to confirm that everything requested in the issue is implemented...
...test coverage is good the code is maintainable What to do if the code is okay If the code is okay, you may either merge it into main yourself:
...than Dir.tmpdir e.g. Dir.mktmpdir('foo', Rails.root.join('tmp')) => /home/user/rails_example/tmp/foo20220912-14561-pyr8qd. This might be necessary when your tests are running on CI. For this you might also want to commit tmp/.gitkeep to git...
...tmp dir inside your project is present. Example Dir.mktmpdir('exports') => "/tmp/exports20220912-14561-pobh0a" Improving your parallel tests with Dir.mktmpdir When creating directories in parallel tests manually, you normally need to handle these...
helps you debugging errors like DNS lookup limit reached it also lets you test a new SPF strings before applying it. This can save you time as you don...
...with operations Also the advanced check at vamsoft.com has a very good interface to test new SPF policies...
...won't notice for a while (ask me how I know) but occasionally encounter tests which are "randomly failing". Example When users change their name and visit a page they...
...vcr, a cassette with an automatically determined name will be generated on the first test run and replayed on subsequent runs: Here is an example for a spec using the...
...current JavaScript VM: window.addEventListener('error', function(event) { console.log("Got an uncaught error: ", event.error) }) Tip Testing tools like Jasmine might also listen to the error event and fail your test if...
...search results for example to the /app/ directory can be helpful to exclude all test files. The probably easiest way to start this kind of search is from the project...
...options to disable password leak detection and suppress the warning. Problem When running Selenium tests with recent versions of Chrome and Chromedriver (e.g., version 136+), entering “unsafe” (weak or reused...
"This password has appeared in a data breach…" This alert can break automated test runs, especially in CI/CD pipelines. Solution You can disable Chrome’s password leak detection to...
...If you are unsure if you applied this technique correctly, here is a simple test: Delete all files from app/models/* and run your migration. If it completes successfully, you are...
...might look as follows: shared: &shared email: info@example.com google_analytics: container: UA-123456-12 test: <<: *shared development: <<: *shared production: <<: *shared email: production@example.com Keys under the shared namespace are shared between...
If you need to test interaction with a remote API, check out the VCR gem as an alternative to Webmock or stubbing hell. The idea behind VCR is that is...
...HTTP requests and logs the interaction in a .yml file. When you run the test again, requests and responses are stubbed from the log and the test can run offline...
...setInterval and setTimeout calls from tabs that are currently in the background. You can test it yourself by running the test below and change to a different...
...tab during its runtime. The expected runtime drastically increases in Chrome, Firefox and Safari: https://testbed.nicon.nl/timeouttest/ See also: Stop animations and network polling when the document tab isn't...
...k] + (f * (values_sorted[k + 1] - values_sorted[k])) end benchmarks = [ %(User.where('name ILIKE ?', '%test%').first), %(User.where('email ILIKE ?', '%test%').first), ] measurements = benchmarks.index_with do |_benchmark| [] end benchmarks.each do |benchmark...
Sidekiq.configure_client do |config| if ENV['RAILS_ENV'] == 'development' || ENV['RAILS_ENV'] == 'test' stdout_logger = ActiveSupport::Logger.new(STDOUT) file_logger = ActiveSupport::Logger.new("log/sidekiq_#{ENV['RAILS_ENV']}.log")
end Sidekiq.configure_server do |config| if ENV['RAILS_ENV'] == 'development' || ENV['RAILS_ENV'] == 'test' stdout_logger = ActiveSupport::Logger.new(STDOUT) file_logger = ActiveSupport::Logger.new("log/sidekiq_#{ENV['RAILS_ENV']}.log")