Adjust the dimensions of an element using Protractor

When using the getSize method, I am able to determine the size of an element but I am struggling to understand how to change its height.

To provide some additional context, my goal is to verify if a user can resize a textarea element. Should I simply adjust the height manually or is there a way to mimic user interaction with the element?

Thank you for your assistance.

Solution
Here is how I approached it:

myElement.getSize().then(function(result){ 
    browser.driver.actions()
      .mouseMove(inputElement, {x: result.width-1, y: result.height-1})
      .mouseDown()
      .mouseMove(inputElement, {y: newHeight })
      .mouseUp()
      .perform()
}); 

This approach allows me to simulate user interaction for resizing the textarea element.

Answer №1

To adjust the height of an element in Protractor, utilize browser.executeScript(). The following code snippet can help you achieve this:

 browser.executeScript('$("div").height(500)').then(function(){
        $("div").getSize().then(function(eleSize){
            console.log('element size: '+eleSize);
            expect(eleSize.height).toEqual(500);
        });
    })

If you want to enhance the code further, consider passing the element as an argument to browser.executeScript().

Additionally, if you wish to mimic end-user actions like clicking and dragging a text box's boundaries, it is indeed possible. You can accomplish this by creating an action sequence and utilizing browser.action().

If you are curious, I have attempted a similar experiment where I automated drawing a signature using Protractor - check it out here.

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