Behat / Select2 Feature context

select2_behat_feature_context.php

<?php
/**
 * @When /^(?:|I )fill in select2 input "(?P<field>(?:[^"]|\\")*)" with "(?P<value>(?:[^"]|\\")*)" and select "(?P<entry>(?:[^"]|\\")*)"$/
 */
public function iFillInSelectInputWithAndSelect($field, $value, $entry)
{
    $page = $this->getSession()->getPage();

    $inputField = $page->find('css', $field);
    if (!$inputField) {
        throw new \Exception('No field found');
    }

    $choice = $inputField->getParent()->find('css', '.select2-selection');
    if (!$choice) {
        throw new \Exception('No select2 choice found');
    }
    $choice->press();

    $select2Input = $page->find('css', '.select2-search__field');
    if (!$select2Input) {
        throw new \Exception('No input found');
    }
    $select2Input->setValue($value);

    $this->getSession()->wait(1000);

    $chosenResults = $page->findAll('css', '.select2-results li');
    foreach ($chosenResults as $result) {
        if ($result->getText() == $entry) {
            $result->click();
            break;
        }
    }
}