SwitcherElement.php

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<?php
namespace Magento\Mtf\Client\Element;

use Magento\Mtf\Client\Locator;

class SwitcherElement extends SimpleElement
{
    protected $parentContainer = 'parent::div[@data-role="switcher"]';

    private $labelText = './following-sibling::label';

    public function setValue($value)
    {
        if (($value != 'Yes') && ($value != 'No')) {
            throw new \UnexpectedValueException(
                sprintf('Switcher element accepts only "Yes" and "No" values.')
            );
        }
        if ($value != $this->getValue()) {
            $this->find($this->labelText, Locator::SELECTOR_XPATH)->click();
        }
    }

    public function getValue()
    {
        if ($this->find($this->parentContainer, 'xpath')->find('input:checked')->isVisible()) {
            return 'Yes';
        } elseif ($this->find($this->parentContainer, 'xpath')->find('input')->isVisible()) {
            return 'No';
        } else {
            throw new \Exception(
                sprintf('Element %s not found on page', $this->getLocator())
            );
        }
    }
}