at the end of the day, it was inevitable

behat/Common/Util/Processor/ExpressionLanguage/TestExpressionLanguage.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Common\Util\Processor\ExpressionLanguage;
+
+use Common\Util\Processor\ExpressionLanguage\Provider\EntityGetterProvider;
+use Doctrine\Bundle\DoctrineBundle\Registry;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\ExpressionLanguage\ExpressionFunction;
+use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
+
+/**
+ * Class TestExpressionLanguage
+ * @package Common\Util\Processor\ExpressionLanguage
+ */
+class TestExpressionLanguage extends ExpressionLanguage
+{
+
+    /**
+     * TestExpressionLanguage constructor.
+     *
+     * @param ContainerInterface $container A ContainerInterface instance.
+     */
+    public function __construct(ContainerInterface $container)
+    {
+        /** @var Registry $doctrine */
+        $doctrine = $container->get('doctrine');
+
+        $dummy = function () {
+            // Dummy function for compiler argument of ExpressionFunction.
+        };
+
+        parent::__construct(null, [
+            new EntityGetterProvider($doctrine->getManager()),
+        ]);
+
+        // Add 'now' function which return current date.
+        $this->addFunction(new ExpressionFunction('now', $dummy, function () {
+            return date_create();
+        }));
+    }
+}