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WebDriverIO – Save Screenshot in WebDriverIO
saveScreenshot command is used to take a screenshot of the current browsing context to a PNG file on your OS. In simple words, it takes a screenshot of the page view of the webpage.
Syntax:– “browser.saveScreenshot(filepath)”, Where filepath is the path of directory or folder where you want to keep the screenshot of the webpage.
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 take a screenshot of the page view of a webpage, using saveScreenshot command of WebDriverIO.
Using Save Screenshot Command
First, I will demonstrate the exercise where we will navigate to the page and then take a screenshot of the page by the use of saveScreenshot command of WebDriverIO, followed by practically demonstrating the WebDriverIO Automation code for achieving it.
Exercise:-
1) Navigate to http://omayo.blogspot.com/
2) Scroll to the bottom of the page and take Screenshot of the page view.
Practical Demonstration:
Following are the Steps to Perform above Exercise (i.e. navigate to page and then take screenshot of page by saveScreenshot command of WebDriverIO) 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) Create directory/folder named as ‘screenshot’ to save captured screenshot and to give filepath where screenshot needs to be saved.
5) Give any name of the newly created file say “saveScreenshot_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 for taking screenshot of page view of webpage using saveScreenshot 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('save screenshot command takes screenshot in WebDriverIO',() => {
it('should take screenshot of page view of webpage',() => {
browser.url('http://omayo.blogspot.com/')
$('.footer-cap-top').scrollIntoView()
browser.pause(3000)
browser.saveScreenshot('./test/Screenshot/pageview.png')
});
});
6) Click on ‘wdio.conf.js’ to open in the IDE, and make sure the Test file name is updated properly in this file as shown below and save it:
7) Click on Terminal and Open New Terminal.
8) By Default, Powershell Terminal will open as shown below:
9) Run geckodriver.exe in the Powershell terminal as shown below to run Geckodriver in background.
10) 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 ‘saveScreenshot_test.js will get executed successfully, the Firefox Browser will launch 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 saveScreenshot Command of WebDriverIO to take screenshot of page view of webpage, and I will explain other commands to perform different operations on WebPages 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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