Ruby - Chris Kenst

Ruby

A collection of 11 posts

How To Run Your Selenium Tests with Headless Chrome

How To Run Your Selenium Tests with Headless Chrome

The Problem If you want to run your tests headlessly on a Continuous Integration (CI) server you’ll quickly realize that you can’t with an out-of-the-box setup since there is no display output for the browser to launch in. You could use a third party library like Xvfb (tip

How To Run Your Selenium Tests Headlessly in Docker

How To Run Your Selenium Tests Headlessly in Docker

The Old Way It used to be that in order to get your Selenium tests running on a given machine you had to install each individual browser and then the browser drivers (for instance ChromeDriver for Chrome). Some of my most popular posts are about installing these drivers. However that’

Practice using Selenium Now!

Have you ever wanted to learn a little bit about Selenium WebDriver but didn’t know where to start? Turns out there are some good tips / tutorials online for practicing writing Selenium in Ruby. One of those is a newsletter called Elemental Selenium that has something like 70 tips. You

Installing GeckoDriver on macOS

Installing GeckoDriver on macOS

Overview of naming conventions * GeckoDriver is the library you need to download to be able to use Selenium WebDriver with Firefox. These are the Selenium Bindings. * Marionette is the protocol which Firefox uses to communicate with GeckoDriver. Installed by default with Firefox. * FirefoxDriver is the former name of GeckoDriver. Ways

A RubyGems SSL cerificate solution

The Problem Early last month I was trying to update some gems on my MBP and ran into an SSL error: ERROR: While executing gem ... (Gem::RemoteFetcher::FetchError) SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed (https://api.rubygems.org/specs.4.8.

Debugging Selenium code with IRB

Debugging Selenium code with IRB

Occasionally something will change in our system under test that breaks a Selenium test (or two). Most of the time we can walk through the failure, make some tweaks and run it again – repeating the process until it passes. Depending on how long it’s been since we last worked

Exploratory Testing

Review of The Selenium GuideBook: Ruby Edition

tl;dr If you’ve ever wanted to learn Selenium but didn’t know where to start, The Selenium GuideBook is the place (doesn’t matter which edition you use, it’ll be good). Page Contents * 1 Learning Selenium * 2 Book Options * 3 The Book * 4 Applying the Book and

Running Rspec acceptance tests in TeamCity

At work we use TeamCity as our CI service to automate the build and deployment of our software to a number of pre-production environments for testing and evaluation. Since we’re already bottling up all the build and deployment steps for our software, I figured we could piggy back on

Screen resolution vs Resizing a window in Selenium

Screen resolution vs Resizing a window in Selenium

The main product I test was designed to follow a responsive web design layout so it could theoretically be used on anything from desktop computers to tablets and smartphones. Practically speaking this means different viewable window sizes (viewport sizes) will result in the browser placing elements of our application in

When to use a Gemfile

I’ve been building a GUI acceptance test automation suite locally in Ruby using the RSpec framework. When it was time to get the tests running remotely on Sauce Labs, I ran into the following error: RSpec::Core::ExampleGroup::WrongScopeError: `example` is not available from within an example (e.g.

Installing Ruby and Watir on Windows 7

Installing Ruby and Watir on Windows 7

I recently started playing around with Web Application Testing in Ruby or Watir for short. As is recommended, I downloaded the Homebrewer’s Guide to Watir by Zeljko Filipin and started trying to install the latest versions of the RubyInstaller for Windows (currently 2.0.0) when I ran into