How to increase reliability in an automated test for a file download — This article will show you how to verify a file download completes successfully in Selenium WebDriver. The test site for this article is http://zhimin.com/books/pwta. There is a sample PDF download that I will use for the tests.

How to use Mechanize for a website’s performance and load testing — Mechanize is a library for automating interactions with websites, without a browser involved. Mechanize is implemented in many scripting languages, such as Perl (WWW::Mechanize), Python (mechanize) and Ruby. In this exercise, I will use it for performance/load testing in Ruby. If you are new to Ruby, don’t need to worry…

Cleaner and more readable locators in Selenium tests with Locator Chaining — Locator Chaining is a way to find an element relative to another one. I will illustrate how to use locator chaining with a real example in this article. · One Selenium Test Failed · Analyse · The Problem — Multiple Elements · The Solution — Locator Chaining ∘ 1. Find all matching elements…

Selenium WebDriver is slightly faster than Playwright. — Update 2023–01–09: Annotated version by my father. In the previous article, I compared the test syntax of Playwright and Selenium WebDriver. One feedback I have heard is that “Selenium is slower”. Both are fast in terms of test execution from my experience. Today, I did a benchmark to verify the…

Raw Selenium WebDriver with Ruby Binding is much better. — Update (2022–12–26): Check out the annotated version (by my father). In my intern role early this year, I developed a set of automated test scripts. To be exact, 29 test cases, running reliably on a daily basis. My colleagues and managers were impressed. I started with Selenium WebDriver with Rspec…

How to use Selenium WebDriver to select a date in a date picker — Many modern websites use date pickers to select dates. This article will show you how to use Selenium WebDriver to select a date via a date picker in an automated test script. I will script using raw Selenium WebDriver in RSpec, using TestWise IDE. For some date-pickers, we may be…

Setup and run an Appium 2 automated iOS test with XCUITestDriver — Update: Check out the annotated version by my father. Appium is a free, open-source and dominating test automation framework for desktop and mobile applications. Appium, like Selenium, is WebDriver-based.

I started posting articles on Medium on Dec 25th, 2021. Some of my articles have since been featured in the following software testing newsletters: Coding Jag Software Testing Weekly Software Testing Notes (Paused as of Sep-08, 2022) So far, 15 of my articles have been referenced below Last Updated January…

How to verify elements that get dynamically loaded on a page using Selenium WebDriver — Some modern websites now use lazy loading (also known as progressive loading). Instead of loading everything on the page at once, the items load as you scroll. This brings challenges to test automation, because the element we want to control may not be displayed yet. An example site is Substack…