...use feature detection or a polyfill when using this API, to avoid unforeseen results. // Test via a getter in the options object to see if the passive property is accessed...
...var supportsPassive = false; try { var opts = Object.defineProperty({}, 'passive', { get: function() { supportsPassive = true; } }); window.addEventListener("testPassive", null, opts); window.removeEventListener("testPassive", null, opts); } catch (e) {} // Use our detect's results. passive applied if...
...Setup job that will only run for Rails environment "staging" end end You may test the cron output like this (no changes will be made to your crontab):
...task that will only run for Capistrano stage "customer1-staging" end end You may test the cron output like this (no changes will be made to your crontab): STAGE=customer1...
We are using Spring in our tests for sequential test execution but not for parallel test execution. And Rails requires you to set the config.cache_classes = false if you are...
...using Spring in tests. With our setup, this would raise the following error in cucumber-rails for parallel test executions due to some legacy database cleaner issue. WARNING: You have...
...up DOM elements. There are also matchers like have_field to make expectations during tests. These methods also have a number of options to influence the lookup. E.g. the :disabled...
...callback passed to promiseState will be called asynchronously in the next microtask. Usage example: Tests Note Since this card was written Jasmine has implemented asynchronous matchers that let you expect...
...sufficient to use the then() function. Where promiseState() becomes useful is when writing unit tests for a function that returns a promise. Let's say we write a promise-based...
...I use git worktree? You can use more than one working tree to ... ... run tests while working on another branch ... compare multiple versions ... work on a different branch without disturbing...
...because capybara is a dependency of cucumber-rails), which will break all your tests. The fix Bundler >= 1.14 has a --conservative flag. Using the conservative flag allows bundle update GEM...
Due to the way we setup Jasmine tests in our projects, you may run into various errors when Jasmine boots. Setting jasmineRequire on undefined Jasmine 4 may fail with an...
Now add the following loader to your config/webpack/environment.js: environment.loaders.prepend('fix-jasmine4-global-detection', { test: /jasmine-core\/lib\/jasmine-core\/jasmine\.js$/, use: [{ loader: 'string-replace-loader', options: { search: 'window.toString() === \'[object GjsGlobal...
...time and there are no indications anything would change. And even if, any automated tests would fail immediately when trying to read the wrong table name, and you could still...
...all the classes in a Rails project, controllers are some of the hardest to test and understand and should receive special care. It is our belief that: Controllers should be...
...change this attribute to hold a list of URLs, and need to adjust all tests. Our goal is to convert the url "..." to the urls ["..."] here. Open find and replace...
...add logic to your application code that helps to modify the Accept-Language in tests. Here is an example for a Rails application with Cucumber integration tests: class ApplicationController
...need to fix anything for them. With that many different files, you should also test if they are all reachable...
...configured your Searchkick settings) add: SEARCHKICK_CLIENT_TYPE = case Rails.env when 'production', 'staging', 'development', 'test' :elasticsearch else :opensearch end Searchkick.client_type = ENV.fetch('SEARCHKICK_CLIENT_TYPE', SEARCHKICK_CLIENT_TYPE).to_sym...
...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...
Geordi can also be configured to automatically update chromedriver each time you run tests. For that, edit the global configuration file ~/.config/geordi/global.yml and add the line auto_update_chromedriver...
RubyMine has a HTTP Client that can be useful to test web APIs. Just create a .http scratch file an write your request in it. The request can then be...
...when using the native player or a well known Browser. Browser Playback Support To test the Browser support, I created a tag with a WebM/VP8 and a MP4/H.264 . The Browser...
...WebM, VP8 + AAC ✓ ✓ ⚠ ⚠ ✓ ⚠ ✓ BrowserStack Matrix Every available combination listed in this table was manually tested on BrowserStack. The chosen video codec is annotated in every cell, audio playback was verified...
...was moved from the top to the bottom of a file, or a long test file that was split in many. Fortunately, Git offers a special highlighting mode that directs...
...by CSS, the following will work with Selenium, but not when using the Rack::Test driver. The Selenium driver correctly only considers text that is actually visible to a user...
...Then I should not see "foobear" This is because the Rack::Test driver does not know if an element is visible, and only looks at the DOM. Spreewald offers steps...
...vcr, a cassette with an automatically determined name will be generated on the first test run and replayed on subsequent runs: Spec: # spec/models/ / _spec.rb describe ModelName::ExampleApi do describe ' ' do...
...assist users with disabilities. It is also very practical to label things for integration tests. With the auto-mapper below you can write this: Then I should see "Bruce" within...
...Mysql::Error: Column 'created_at' in order clause is ambiguous Unless you have a test covering this particular case, you won't notice this until after you deployed.
Your development machine is usually on a very good network connection. To test how your application behaves on a slow network (e.g. mobile), you can simulate limited bandwidth. Chrome