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src/Behat/MinkExtension/Compiler/SessionsPass.php

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+<?php
+
+namespace Behat\MinkExtension\Compiler;
+
+use Symfony\Component\DependencyInjection\Reference,
+    Symfony\Component\DependencyInjection\ContainerBuilder,
+    Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+
+/*
+ * This file is part of the Behat\MinkExtension
+ *
+ * (c) Konstantin Kudryashov <ever.zet@gmail.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+/**
+ * Behat\Mink container compilation pass.
+ * Registers all available in controller Mink sessions.
+ *
+ * @author Konstantin Kudryashov <ever.zet@gmail.com>
+ */
+class SessionsPass implements CompilerPassInterface
+{
+    /**
+     * Registers Mink sessions.
+     *
+     * @param ContainerBuilder $container
+     */
+    public function process(ContainerBuilder $container)
+    {
+        if (!$container->hasDefinition('behat.mink')) {
+            return;
+        }
+        $minkDefinition = $container->getDefinition('behat.mink');
+
+        foreach ($container->findTaggedServiceIds('behat.mink.session') as $id => $attributes) {
+            foreach ($attributes as $attribute) {
+                if (isset($attribute['alias']) && $name = $attribute['alias']) {
+                    $minkDefinition->addMethodCall(
+                        'registerSession', array($name, new Reference($id))
+                    );
+                }
+            }
+        }
+
+        $minkDefinition->addMethodCall(
+            'setDefaultSessionName', array($container->getParameter('behat.mink.default_session'))
+        );
+    }
+}