...you use Rubocop or Capybara. These gems most often live in your development and/or test group of the Gemfile and require English for you. Therefore to ensure that the library...
When your application is open for public sign up and sends out transactional e-mails to a large number of...
...controllers' #index actions. This way, when a change introduces an n+1 query, your test suite will blow up. Example A typical #index action looks like this. class CardsController < ApplicationController...
...introduced rules. You can use them in your .gitlab-ci.yml in your project. To limit test runs to merge requests and the master branch, you can write this: tests: script: bundle...
...exec rake tests rules: - if: '$CI_COMMIT_BRANCH == "master"' - if: '$CI_PIPELINE_SOURCE == "merge_request_event...
SMTP validation: connects to the host received from DNS and starts a test delivery to find out if the recipient mailbox actually exists tl;dr: We suggest you...
...that behave differently (like mobile vs desktop navigation menus). Since you want your integration tests to behave consistently, you want to set a specific size for your tests' browser windows...
...simply switch the driver via Capybara.current_driver = :selenium. If you use Cucumber for integration testing, wrap that into something like Before('@javascript') {...
Benefits of using device metrics are:
...e.g. to not cancel deploys by accident). Consider to set the interruptible flag for test jobs to reduce the load on your runners like in the following example .gitlab-ci.yml:
If you need a sample video with certain properties for a test you can create one using ffmpeg. You might want a very low bitrate file to speed up processing...
...in your test. (e.g. you only care about the length, then you can create a video with a very low resolution and framerate) Create a 21s video with 1fps and...
...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...
In our monitoring, RabbitMQ queues like aliveness-test may show up as unresponsive, with a ping timeout after 10 seconds. The logfile will generally read like this: operation queue.delete caused...
...to perform operation on queue 'example' in vhost '/' due to timeout For the aliveness-test queue, you can can use this command to delete it: rabbitmqctl eval 'rabbit_amqqueue:internal...
...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...
...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...
...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...
...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...
...systemd-networkd man file-hierarchy Übungen Erstelle dir eine Anwendung für einen Service Für Testzwecke brauchst du eine einfache App die du später als Service starten kannst. Du kannst dir...
...mit ./badapp starten. Die Anwendung startet einen Webserver. Mit curl localhost:8080 kannst du testen ob es funktioniert. Erstelle einen systemd Service der badapp startet. Wenn die App erfolgreich startet...
...keep maintaining the library if the original author stops doing so. Does it contain tests? The code quality of our libraries should generally be around the same level of our...
...few modern features like "subgrid", ":has()" or "optional chaining" on Caniuse. Understand how we test for older browsers using BrowserStack Ask a colleague for our shared BrowserStack credentials
...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...
...For each chapter: You should do all the programming exercises. You can skip the testing exercises. We are going to learn testing in a later card. We're also using...
...different testing frameworks and different types of tests than the tutorial. We will also be using a different development environment than the book suggests. Deviate from the following instructions:
...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...