capybara-lockstep can help you with flaky end-to-end tests: This Ruby gem synchronizes Capybara commands with client-side JavaScript and AJAX requests. This greatly improves the stability of...
...a full-stack integration test suite, even if that suite has timing issues...
Unfortunately, by default plugin tests are pretty bland. They use the plain unit test suite supplied by Ruby, and not any of the extended Rails test framework. This will leave...
...our plugin’s test classes with no access to fixtures, database.yml configuration, or any of those nice class auto-loading features...
...headless chrome via Selenium. This might be useful for debugging issues with flaky integration tests or slow page simulations. page.driver.browser.network_conditions = {offline: false, latency: 5, download_throughput: 2 * 1024, upload...
...from you Rails timezone settings / system timezone. I usually have this use case in tests. Example Time.parse('2020-08-09 00:00') will return different results e.g...
In Ruby you can communicate between processes with sockets. This might be helpful in tests that validate parallel executions or custom finalization logic after the garbage collector. Here is an...
In case your integration tests crash with a message like below, try to upgrade Capybara to a newer version (3.35.3 was good enough). You might encounter this issue when you...
...the following command open a database console for the development environment: rails dbconsole -p test You need to write this instead: rails dbconsole test -p
To start a workflow manually it must have a trigger called workflow_dispatch: --- name: Tests on: push: branches: - master pull_request: branches: - master workflow_dispatch: branches: - master In the Actions...
If you’re testing the behavior of deprecated code in your Ruby project, the warning messages littered throughout your spec output is incredibly noisy. You could silence all warnings with...
...an important warning in one of your dependencies. It’s tempting to remove the tests altogether (the code will be burned soon too, right?), but I figured out something a...
...guaranteed to be 100% accurate. It performs a "best guess" based # on a simple test of the first +File.blksize+ characters. # # Example: # # File.binary?('somefile.exe') # => true # File.binary?('somefile.txt') # => false #-- # Based on code...
...page is a collection of common markdown XSS payloads which is handy for writing tests. Producing arbitrary links: [Basic](javascript:alert('Basic')) [Local Storage](javascript:alert(JSON.stringify(localStorage))) [CaseInsensitive](JaVaScRiPt...
...s only minor changes but when installing major upgrades it's a good idea. Test your system after the upgrade! If you want back for some reason, you'll have...
betterspecs.org is a documentation on how to write better RSpec tests. Note that there are also other approaches like The Self-Contained Test, which is complementary to the dry-approches...
...REVISION', 'utf-8').trim() } catch(_error) { // okay, probably in dev mode } environment.loaders.prepend('fa-font', { test: /fa-.*\.(woff2|woff|eot|svg|ttf)$/, use: [{ loader: 'file-loader', options: { name: '[path][name]-[hash...
...data to a new schema. If you have different versions, you always need to test all different version if required. With FactoryBot this should be traits. The JSON Schema files...
# visit page.driver.last_request.env['HTTP_REFERER'] # old visit page.driver.request.env['HTTP_REFERER'] # new # or for javascript tests: page.execute_script('window.history.back()') end undefined method locate for #Capybara::Session (NoMethodError) Use page.find instead of...
...now wrapped by a html document skeleton. Use page.text instead. (e.g. when you are testing correct JSON which is in fact not wrapped by a html sceleton) An element can...
...table ("rotate" it by 90 degree). The tool can be handy if you have tests with large markdown tables for testing contents of a flat json structure or csv.
...fix" this in multiple ways: Update your drivers on your machine with RAILS_ENV=test rake webdrivers:chromedriver:update Ignore the driver update-URL in your VCR configuration
...MySQL console and execute SHOW TABLE STATUS FROM database; mysql> SHOW TABLE STATUS FROM test; +-------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+------------+-----------------+----------+----------------+---------+ | Name | Engine | Version | Row_format | Rows | Avg_row_length | Data_length | Max_data_length | Index...
...free | Auto_increment | Create_time | Update_time | Check_time | Collation | Checksum | Create_options | Comment | +-------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+------------+-----------------+----------+----------------+---------+ | test1 | MyISAM | 10 | Dynamic...
Most of these will not work in newer projects because these use the Capybara/Rack::Test combo in lieu of Webrat. Find input fields Then /^there should be a "([^"]+)" field$/ do...
...While the FULLTEXT approach was many times faster than the LIKE approach in my tests, both approaches seem to scale linearly with the number of records. For a typical web...
...of matched elements to those that match the selector or pass the function's test. jQuery has a select method, but it has nothing to do with navigating the DOM...
We used zeroclipboard.js in some of our projects but now we switched to clipboard.js because it does not rely on...
the output is optional of course but might be helpful when you first test the migration and rollback