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WebDriverIO – setWindowSize Command
setWindowSize Command is used to set the browser Window Size . In simple terms, it helps user to set the window size based on the width and height passed inside setWindowSize(width,height).
Pre-requisite: Have ‘Visual Studio Code’ IDE installed in your machine (Click here to install if not installed in your machine)
Here is the small Exercise to setting up window size to width 400 and height 800, using getWindowSize() command of WebDriverIO.
Using setWindowSize() Command
First, I will demonstrate the exercise where we will open URL in browser window and will try to set window size to width 400 and height 800 using setWindowSize() command, followed by practically demonstrating the WebDriverIO Automation code for achieving it.
Exercise:-
1) Navigate to http://omayo.blogspot.com/
2) Setting browser window size to width 400 and height 800 for omayo.blogspot.com web application.
Practical Demonstration:
Following are the Steps to Perform above Exercise (i.e. to setting browser window size to width 400 and height 800) using WebDriverIO Automation code in ‘Visual Studio Code’ IDE:
Pre-requisite: Download the Project from here (Click here to Download) and Unzip it.
1) Open Visual Studio Code on your system.
2) Click on File and Select Open Folder. Select the project folder on which your workspace is present.
3) Expand ‘test’ from the Explorer, right click on the displayed ‘specs’ and select ‘New File’ option as shown below:
4) Give any name of the newly created file say “setWindowSize _Command_test.js” and copy the below given code into the newly created file as shown below and save the file:
The following is the WebDriverIO sample code to setting up the size of browser Window by using setWindowSize() command of WebDriverIO on ‘Omayo.blogspot.com’ application.
You can understand this code, by reading the comments provided in the below code:
Copy the code from here:-
describe('This Example show usage of setWindowSize command in webdriverio', () => {
it('should fetch the size of browser Window in which mentioned url has been opened', ()=> {
browser.url('http://omayo.blogspot.com');
console.log(browser.setWindowSize(400,800));
browser.pause(3000);
});
});
5) Click on ‘wdio.conf.js’ to open in the IDE, and make sure the Test file name is updated properly and browser name should be changed from firefox to chrome in this file as shown below and save it:
6) Click on Terminal and Open New Terminal. 
7) By Default, Powershell Terminal will open, change it to git bash as shown below:
8) Open Another Terminal in the same way we did in the step 6 and run below command in terminal
.\node_modules\.bin\wdio .\wdio.conf.js
Observe that the ‘setWindowSize_Command_test.js’ will get executed successfully, the chrome Browser will launch, and open url given in code and respective action will be taken by WebDriverIO Automation code.
And also, the result will be displayed as ‘Passed’ in the terminal as shown below:
This is how, we can take help of setWindowSize() Command of WebDriverIO to setting up the browser window size. I will explain other commands to perform different operations on Web Pages using WebDriverIO in the upcoming Articles.
This is how, we can take help of getWinowSize() Command of WebDriverIO to find out the browser window size. I will explain other commands to perform different operations on Web Pages using WebDriverIO in the upcoming Articles.
Next Steps:
> To learn more about WebDriverIO, continue to the next post (Click on Next Post link below)
> Check complete WebDriverIO Tutorial Contents here (Click here)
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