ActiveSupport (since 4.1) includes test helpers to manipulate time, just like the Timecop gem: To freeze the current time, use freeze_time (ActiveSupport 5.2+): freeze_time To travel to a...
...back) once you are done. Simply load the TimeHelpers module as required by your test framework. Example: RSpec.configure do |config| config.include ActiveSupport::Testing::TimeHelpers end Comparison to Timecop Timecop allows...
...attributes makes it easier to find errors in your application during development and in tests. Consider this approach if you want to strengthen the params handling in your application.
...the user is missing permit(:full_name) logs the error ActionController::UnpermittedParameters in development + test and do nothing in production. Option 1: In case you use action_on_unpermitted_parameters...
...strings in locale files. This way you can override them with your own wording. Testing localization Localization is a cross-cutting concern that affects all screens.
...coverage you would need to duplicate all your tests for every single locale. This is not sustainable. We recommend the following instead: Keep most of your tests in the first...
...server error, the exception that caused the error will still be raised within the test so as to provide a useful stack trace and a good debugging experience.
...previous default behavior, value false) Using the new default needs to change a RSpec test like this: Before it 'raises an exception if the page could not be found' do...
...a diff between the current work and main. Can be used for Code reviews, test generation etc. pack_git_diff_head Generates a diff of uncommitted changes. Can be used...
...giving examples for high level APIs of your imagened class design or using an test as specification can also be a highly meaningful input for an LLM on what to...
...model is crucial, as not all excel at code editing. The aider polyglot leaderboard tests models across multiple languages on challenging problems, ensuring reliable evaluation. By focusing on real-world...
...does not have any log or debugging statements like console.log(...), byebug etc. has green tests has tests for new features has been manually tested in the browser has no missing...
If you're supposed to merge yourself, you need to Run all tests again by using geordi t Get the latest master Squash your commits using git rebase...
...add gems jsbundling-rails and foreman to your Gemfile: gem 'jsbundling-rails' group :development, :test do gem 'foreman' # ... end bundle install run bin/rails javascript:install:esbuild in a console to...
...your Gemfile that are no longer necessary, e.g. sass-rails or uglifier run your test suite and make sure that all tests succeed. optional: Make your application show esbuild errors...
...a number between 100 and 99999. Modes: Greedy, Lazy and Possessive Example string: This test is a first test string. greedy (default): * and + match as much as they can and...
...backtrack when they can't satisfy the regex, i.e. the .* in /.*test/ will first match the whole example string and then go back to match this: This test is a...
Currently we often use geordi to run cucumber and rspec tests. Geordi takes care of installing a matching chromedriver for the installed google-chrome binary. The google-chrome binary is...
...correct browser versions for you. Here is the setup you need for your integration tests: Capybara.register_driver :chrome do |app| options = Selenium::WebDriver::Chrome::Options.new options.browser_version = '138.0.7204.183' Capybara::Selenium...
...einfachen Weg dieses Problem zu vermeiden. Verwende Docker Compose um die Applikation lokal zu testen. Erweitere die bestehende docker-compose.yml. Die vorhandene Datei ist nicht optimal konfiguriert, achte darauf das auch...
...ein terraform plan ausgeführt werden Erstelle einen CI Job der in Merge Requests die Tests laufen lässt. Beachte, dass dafür ein laufender PostgreSQL benötigt wird und die Zugangsdaten per Environment...
To set a cookie in your test browser for cucumber tests, you need to know which driver you are using. Use the step below according to your driver.
...cookie set to "([^\"]+)"$/ do |key, value| Capybara.current_session.driver.set_cookie(key, value) end Usage in feature tests Given I have a "page_views" cookie set to "42" When I visit the start...
...number of words, lines and paragraphs, and outputs the result. For example: $ ruby count_words.rb test.txt test.txt has 123 words test.txt has 13 lines test.txt has 4 paragraphs Hint
...simply replace %br with %br>< for that. When you are done, use a spam test service like mail-tester.com to check if all is well. Note that premailer-rails can do...
...Common mistakes when storing file uploads with Rails Carrierwave: How to attach files in tests Carrierwave: Built-in RSpec matchers CarrierWave: Processing images with libvips Multipart formposts Content Disposition Header...
...form is displayed again. Use the CarrierWave cache for this. Make sure to add tests for adding, changing and deleting a poster image: An integration test for the happy path...
...does not have any log or debugging statements like console.log(...), byebug etc. has green tests has tests for new features has been manually tested in the browser has no missing...
RSpec Rails can automatically mix in different behaviors to your tests based on their type tag, for example enabling you to call get and post in specs with the tag...
...will automatically choose the right type context based on the file location of the test. For instance, specs in spec/features/requests are automatically tagged with { type: :request...
...long strings are displayed, which sometimes means that the root cause for the failing test is buried in truncation. For example, I could not easily make out the reason for...
...the key information ("fatal: Not possible to fast-forward") is visible in the failing test output: Failure/Error: expect { crawler.pull_new_commits }.not_to raise_error expected no Exception, got #<GitLab...
Our preferred way of testing ActiveRecord is to simply create/update/destroy the record and then check if the expected behavior has happened. We used to bend over backwards to avoid touching...
Today we would rather make a few database queries than have a fragile test full of stubs. Example Let's say your User model creates a first Project on...
.../regex/.test(...) is converted to a string as defined by the specs, which means e.g. .test(null) is equal to .test("null"). Globally matching regex objects remember the last index they...
...matched. Multiple calls to test() will advance this pointer: matcher = new RegExp("foo", "g") // <- "global" flag matcher.test("foobar") // => true matcher.lastIndex // => 3 (where the regexp stopped scanning) matcher.test("foobar") // => false matcher.lastIndex...
...of their file paths by default (or when you specify --order defined). You run tests in random order by using --order random on the command line, or by putting it...
...your project's .rspec file. Note that both switches also affect the order the tests inside each file are run: defined runs tests in the order they are defined inside...
testing-library are widely used testing utilities libraries for javascript dependent frontend testing. The main utilities provided are query methods, user interactions, dom expectations and interacting with components of several...
...less about the details happening in the browser and focus more on user centric tests instead! Some of the time you will find a necessity to use methods like waitFor...
In Cucumber, scenario outlines help avoiding tests that are basically the same, except for a few variables (such as different inputs). So far, nothing new. The problem
...your test should (or should not) do something, like filling in a field only for some tests? Scenario Outline: ... When I open the form And I fill in "Name" with...
...saving you the effort to stub out request/response cycles in close details. If your tests do require close inspection of requests and responses, Webmock is still the way.
...an alternative to FakeWeb when testing code that uses the network. You should probably learn it together with RestClient, which is an awesome alternative to net/http and shares many concepts...