How to do Automation Testing for Mobile Applications Using Selenium?
Are you an android developer looking to do testing for mobile applications using Selenium? This article will be efficient to guide you about the complete process. But before we begin, let’s understand what automation Testing is, and why it is important for mobile applications.
What is automation testing?
Automated testing is a process that validates whether the software is functioning properly before releasing it into production. It uses scripted sequences that are executed by testing tools. These Automated testing tools execute various examinations of the software and compare results with earlier test runs. Let’s dive deep into it to understand in a technical language.
In today’s DevOps era, continuous development and deployment is the key objective of software developers. The code is continuously developed and tested too. Automation testing tools are the key to deploy an application. Nowadays, Selenium is a popular QA automation testing services tool, helps developers to integrate testing into development to support platforms, multiple browsers, and operating systems.
However, there is a wide range of smartphones in the market. Earlier, mobile screens were very small, and the design was also not user-friendly. But now, there are so many options in screen sizes. That has changed the experience of using a mobile. And in every smartphone, there are a lot of apps to use. Using so many apps in smartphones is now a new trend, requiring application developers to realign their testing strategies to accommodate app solutions.
Mobile apps are easy to use, user-friendly, and more accessible. Today, more people use smart devices to subscribe to any service or for online shopping. You will be surprised to know that 60% of today’s business resources are accessed or operated by mobile. In this scenario, software testers are using Selenium automation testing for mobile before entering the market. However, other automation testing options are also available. Appium is one of them after Selenium. People used to compare each other.
Selenium and Appium both use the same technology protocol; JSON Wire protocol has recently become a standard W3C protocol. Today, many browser providers and industries are implementing it as a standard protocol.
In Selenium, you write code in different languages such as C#, Java, PHP, and Python, executed by the JSON Wire protocol. This protocol is a REST API that controls the browser. A new session is created by the Selenium server When the code is executed as an HTTP REST request.
Then it invokes the browser driver (Safari driver, Chrome driver, and Edge driver) to access the browser. A browser like chrome, safari sends the requested information to the server of Selenium by browser driver, then it is sent to the client.
Selenium Grid Components
Selenium Grid contains three main components. The selenium grid node is the machine used to run the tests received from the hub. And the Selenium Grid Hub is the server machine that distributes the test task to nodes. Each server can have more than two nodes. The wd/hub is the URL part that makes communication easier between the hub and the node.
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Step by Step Guide to do Automation Testing for Mobile Applications Using Selenium?
Step 1: Create a Gradle file
Open your IDE to start the test. For instance, Are you using Java? If yes, then go with IntelliJ IDE.
- Create a new project
- Select Gradle (You can also use other tools such as maven)
- Give a name to the Project (e.g.: SeleniumProject2)
- And then click finish.
Step 2: Add Selenium into Gradle
To add code for Selenium into Gradle, you will have to go to Google and search for Selenium Gradle.
- Open the Maven repository link, which is https://mvnrepository.com/artifact/org.seleniumhq.selenium/selenium-java/2.41.0
- Click on the newest version.
When you click the new version, it shows the new version. However, it is now showing the alpha version. Click on Selenium Java. And choose the latest version of it on the next page.
Then, copy the code from this page & paste it into the IDE dependencies box. All the required dependencies will be downloaded, in case your device doesn’t have them.
We will use TestNG for the test. So, import the Selenium TestNG and Chrome driver. Download the chrome driver from here: https://chromedriver.chromium.org/
- Create a package new one (directory) and name it ( eg, XYZ.demo)
- Then create a class (e.g.: XYZSeleniumdemo)
Now you are ready to go with all the required elements. Write the code for Selenium automation testing.
- For instance, driver. Get () to open a URL and wait! Let the page load.
- Driver. navigate () to navigate between pages.
- driver. quit() to close all browsers
- ‘Execute the test. And that’s it.
Selenium is one of the best options for the automation testing of mobile applications; you may use it. Appium is the alternative to Selenium which is often compared together.