...displays a beforeunload confirmation dialog, ChromeDriver will immediately close it. In consequence, any automated tests which try to interact with unload prompts will fail. This is because ChromeDriver now follows...
...that any unload prompts should be closed automatically. However, this applies only to "HTTP" test sessions, i.e. what you're using by default. The spec also defines that bi-directional...
...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...
...complicated at first, but there are use cases where it helps to write precise tests. For example it allows to add expectations on objects that will only be created when...
Also see here for further examples. Please note: Usually it is preferrable to test behaviour, not method calls. Since the behaviour of both validators is thoroughly tested in their...
...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...
...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...
...that callback does or which type of callback it is). This is how we test whether the callback function (here it is named :my_method) is called when a new...
...that the behaviour of the callback function :my_method does not happen in the test, as if the callback function is not executed in the test. However, since the test...
We recommend configuring Selenium's unhandled prompt behavior to "ignore". When running tests in a real browser, we use Selenium. Each browser is controlled by a specific driver...
...receive a Selenium::WebDriver::Error::UnexpectedAlertOpenError. This is probably what you want for running tests. How to configure Selenium WebDriver Configuring the unhandled prompt behavior is fairly simple. You need...
...work across all revisions that you will be bisecting. If you're referencing a test file that's under version control, make sure you always run the correct test.There are...
...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
...started your screen reader you can simply navigate to whatever application you want to test and the screen reader will start to do its thing. If your screen reader isn...
...the application. If that still does not work, then the application you want to test may not be supported. Since we are usually building websites though, that should not pose...
...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...
...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...
CarrierWave comes with some RSpec matchers which will make testing more comfortable. Let's say you have an Uploader like this: class MyUploader < CarrierWave::Uploader::Base include CarrierWave::MiniMagick
...a class Movie with an attribute poster. In your spec file, you can add tests to check the dimensions of the several versions by writing RSpec.describe Movie, type: :model do...
...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...
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...
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...
...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...
.../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...
...applications that are either old or abandoned by a different team earlier: Add E2E tests for the happy path. Other than unit tests, E2E tests will not break when we...
...refactor later. Always add tests on whatever we work on. When you work on something, improve that part of the code. Make sure setup for a new developer is as...
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...
...poster as a file attachment to the e-mail? Can you write a RSpec test for this? In the lesson Form Models we said that we don't like to...
...method like :smtp or :sendmail which can be different for each environment. For the test environment the delivery method is set to :test, which means that new e-mails are...
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...
...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...