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Home Guide How to perform WebView Browser Testing

How to perform WebView Browser Testing

By Neha Vaidya, Community Contributor -

Table of Contents

What is WebView?

WebView is a feature that allows an application to display a webpage as a part of its own activity, instead of opening it on a separate browser. This not only allows the app to retain the users within itself but also improves the user-experience multifold. If, after clicking a link, a webpage opens within the app rather than opening and switching to a browser then you’re in a WebView session.

Features of WebView:

  • WebView is a fully functional, configurable browser that can be embedded in apps to display web content. 
  • It is used within applications across all mobile platforms. 
  • WebView is also used to display ads and other embedded content along with other items within an app. 

Example of WebView in Action

Instagram support for WebView

Consider a situation in which you log in to an app and see some advertisements and marketing links. On clicking one of these links, it will redirect you to the particular website without terminating the existing Instagram session. In other words, it will open a WebView session inside the Instagram app itself rather than navigating it through a browser instance. This is how WebView is installed across all common browsers and applications for ease of use. 

One of the most common uses for WebView is to display the contents within a link. Instead of launching a browser, switching the user from one app to another, and hoping for customer satisfaction, WebViews solve this problem by loading the contents of the link within the application. 

How to perform WebView Testing on Browsers

Before diving into the testing, let’s explore some aspects of WebView sessions: 

  • By default, any web code running inside WebView or web browser is isolated from the rest of the application. This is done for security reasons that intend to minimize the damage malicious JavaScript might be able to do.
  • If only the browser or WebView session faces a downtime, that’s unfortunate but it is acceptable. But if the entire system faces downtime, that is unfortunate but not acceptable. For arbitrary web content, this security measure is particularly useful.
  • Due to the increase in malicious activities on the web, you can never trust the third-party web content that gets loaded completely. However, this isn’t the case with WebViews. For WebView scenarios, the developer typically has complete control over the content that gets loaded. Hence, malicious code is less likely to infiltrate and cause issues on your device.
  • For WebViews, developers have a variety of supported ways to override the default security behavior and have web code and native app code communicate with each other. 

With this, let’s understand how to perform WebView browser testing on real devices.

WebView testing can be carried out using Espresso. Espresso-Web is an entry point to work with Android WebView UI components. It reuses Atoms from the popular WebDriver API to examine and control the behavior of WebView sessions.

Learn how to work with Espresso for Webview with the help of this official documentation.

Everyone who has been involved with testing apps or web applications on mobile browsers knows the trouble different platforms and browsers can cause. Things that work perfectly fine in one mobile browser, break down suddenly and spectacularly in another one. There are multiple mobile devices, browsers, and operating systems you need to take into account. 

But having so many possibilities brings up one rather important question: how can you test on so many browsers or devices? That’s where BrowserStack comes into the picture by offering thousands of real browsers and devices to run your test suites on multiple platforms. 

Run WebView Tests on Real Devices

WebView Browser Testing on Real Devices using BrowserStack

Step 1: You will need an account on Browserstack. If you already have a Browserstack account, you can directly skip to the next step. If you don’t have one, you can sign up for free.

Step 2: Login to your BrowserStack account using this link.

Step 3: As a next step, you need to choose the tool on which you wish to perform testing. We can test using either Browserstack Live or App Live. In this case, let’s use the Live tool.

Step 4: Now, go to the Live tool and choose the operating system and the device from the dashboard. In this case, let’s test on a real Samsung Galaxy s9.

WebView Browser Testing on Real Devices

Step 5: As your device boots, you can view the system as shown below.

Step 6: Now, go to Play Store, sign in using your Google account to download the WebView app.

Webview Testing

Note: Mac users can download the WebView app from the App Store by signing in with their MAC account.

Webview Testing on Mac

After installing this application, search for the BrowserStack website, and the link will open within the application itself. This helps you view the content for the searched item within the application without terminating the app instance or switching to a separate browser. 

This is how you can perform Webview Testing.

 To prepare software for the real world, tests must be run on real mobile devices (iOS, Android, Windows, etc.) You cannot accurately identify all bugs without testing apps in real user conditions, and that is where BrowserStack comes in.

BrowserStack’s real device cloud offers thousands of real mobile devices from major vendors and manufacturers for app testing (manual and automated). Each device is loaded with real operating systems – multiple versions of popular operating systems.

Essentially, QAs can access thousands of popular mobile device-OS combinations to test their app. They don’t have to worry about buying and updating devices and installing software. They just need to sign up for free, choose the required device-OS combination and start testing their app.

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Manual Testing Mobile App Testing Website Testing

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