Running TestNG tests

Running TestNG tests can be done in two ways: either directly from the IDE (by selecting the desired tests and choosing to ‘Run TestNG tests’) or from the command line. The latter option is very useful when trying to run only a selection of all the tests, that might spread across different classes or packages,… Read More

Common Selenium exceptions

Here is a list of the most common Selenium exceptions, and their possible cause:

Run tests on multiple browsers

Running tests on multiple browsers helps ensure that the behavior and look of your application is consistent for all your users. Selenium offers the possibility to use most common browsers to run your tests against. However, if your application needs to run also on mobile devices, from within their browsers (not from within native applications… Read More

TestNG annotations

Tests written with the TestNG framework need to be annotated properly in order to be recognized as tests. A Java class will contain methods, that will either be the actual tests, or methods that perform some actions needed within a test. A class or a method that represent a test, will be annotated with the… Read More

Creating the page objects

What is a page object Simply put, a page object is an object that Selenium uses as a representation of an HTML element. Selenium tests will not interact with HTML code directly, but with objects that use selectors to refer to particular bits of the HTML code. Defining page objects You will need to create… Read More

CSS Selectors

Identifying HTML elements in order to interact with them within you tests can be done by using CSS Selectors, which use pattern matching to easily find these elements. Below are the most used patterns to identify the elements on a page and examples of their usage:

XPATH selectors

To select HTML elements from your page, you can use XPath selectors, which are basically a set of expressions that will extract the nodes you require. The nodes are obtained by following a path in the HTML document, either downwards from a known node, or upwards (it searches for descendants or ancestors of a known… Read More

Setting up the Selenium bits

After the project is created, you need to setup the Selenium dependency, in order to use the library’s functionality. Make sure you always have the latest Selenium libraries available. The constant upgrade of the modern browsers might make some Selenium features unavailable or not working properly with older library versions. Browser Releases To see what… Read More

Create the Maven profile for running tests.

After the project has been created, you will need to decide how you want your automated tests to run. Keeping in mind that developers write unit tests, which by definition will validate of the code by itself, without interaction with other components, they are suitable to validate that the code commited satisfies the requirements in… Read More

Import the testing dependencies

The central and most essential part of a Maven project is its’ pom.xml file. Among other information (like the project’s defining artifactID and groupID), it stores the list of dependencies your project has and the plugins the project will use. Dependencies that are declared within the pom.xml file will be downloaded from the Maven repository… Read More