appWaitActivity: A new session could not be created

While exploring Appium with mobile devices I hit the following error WebDriverException: Message: u’A new session could not be created. (Original error: atpwta.live/.activity.Main never started. Current: atpwta.live/.activity.root.TournamentList)’ Initially, I had set desired capabilities to: desired_caps[’platformName’] = ‘Android’ desired_caps[’platformVersion’] = ‘4.4’ desired_caps[’deviceName’] = ‘Moto E’ desired_caps[’appPackage’] = ‘atpwta.live’ desired_caps[’appActivity’] = ‘.activity.Main’desired_caps[‘platformName’] = ‘Android’ desired_caps[‘platformVersion’] = ‘4.4’ desired_caps[‘deviceName’] = ‘Moto E’ desired_caps[‘appPackage’] […]

Ways to identify UI elements in mobile apps

Problem: Many testers do not know how to identify UI elements in mobile apps. In this post, I explain about different ways to find UI elements in Android’s calculator app. I also show you examples of using Appium’s API with the different locator strategies. Why this post? Identifying UI elements is a key component of writing UI automation. Most testers […]

Where can I find applications to practice software testing?

Problem: Testers rarely test products outside of their workplace. Limiting your testing to only the applications available at your workplace slows down the rate at which your skills grow. Why this post? Too many testers leave career and skill development in the hands of their employer. Often times, employers are unable to provide the learning opportunity that the tester wants. […]

Understanding Python decorators

Problem: Some testers shy away from unit testing because they are uncomfortable with the concept of annotations. Why this post? We often stop learning a topic when we need to apply a concept that we are not fully comfortable with. I noticed this pattern in testers when it came to unit testing. A lot of unit testing frameworks, like JUnit and […]

How to rearm Windows trial license

This post is meant for testers who use modern.ie to run cross browser tests. If you are a tester and do not know about modern.ie, I recommend reading our post on cross browser testing tools. Modern.ie was created by Microsoft and allows you to use Windows virtual machines without purchasing Windows licenses. Its awesome! The downside is that the modern.ie […]

Batman and Page Objects

Problem: The page object pattern is not yet understood by the average tester. To get the most out of this post, please read this post and then read at least one of the articles listed in the Holy further reading, Batman! section below. Why this post? There are many ways to write and maintain GUI automation tests. The most common […]

Using Firebug 2.0 to craft XPaths

Firebug has been my favorite Firefox add-on for a long time now. In the time before every browser had decent developer tools, Firebug was a revolutionary add-on that allowed many testers, like myself, tools to interact, learn and explore what web applications were doing. I recently upgraded my Firebug to version 2.0. I was pleasantly surprised to find a cool […]

The art of writing xpaths

Problem: Writing XPaths is hard and confusing when there are no unique identifiers XPath (XML Path Language) is a query language for selecting nodes from Document Object Models (DOM) like XML, HTML, etc. XPaths are frequently used with Selenium scripts to uniquely identify elements in page. This post is a descriptive tutorial on how to think about xpaths and write […]