From 4993b1c14c8a299b8e2f92e5ac6bac20f1586216 Mon Sep 17 00:00:00 2001
From: "Konstantin.Myakshin" <koc-dp@yandex.ru>
Date: Thu, 17 Aug 2017 13:33:52 +0300
Subject: [PATCH] Allow to get alternatives when ServiceNotFoundException
 occurs.

---
 .../Exception/ServiceNotFoundException.php            |  7 +++++++
 .../DependencyInjection/Tests/ServiceLocatorTest.php  | 11 +++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/Symfony/Component/DependencyInjection/Exception/ServiceNotFoundException.php b/src/Symfony/Component/DependencyInjection/Exception/ServiceNotFoundException.php
index 0194c4f372279..5de10d3bcbfc0 100644
--- a/src/Symfony/Component/DependencyInjection/Exception/ServiceNotFoundException.php
+++ b/src/Symfony/Component/DependencyInjection/Exception/ServiceNotFoundException.php
@@ -22,6 +22,7 @@ class ServiceNotFoundException extends InvalidArgumentException implements NotFo
 {
     private $id;
     private $sourceId;
+    private $alternatives;
 
     public function __construct($id, $sourceId = null, \Exception $previous = null, array $alternatives = array())
     {
@@ -44,6 +45,7 @@ public function __construct($id, $sourceId = null, \Exception $previous = null,
 
         $this->id = $id;
         $this->sourceId = $sourceId;
+        $this->alternatives = $alternatives;
     }
 
     public function getId()
@@ -55,4 +57,9 @@ public function getSourceId()
     {
         return $this->sourceId;
     }
+
+    public function getAlternatives()
+    {
+        return $this->alternatives;
+    }
 }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/ServiceLocatorTest.php b/src/Symfony/Component/DependencyInjection/Tests/ServiceLocatorTest.php
index 6900fd7ea4490..a1e2fff50fdbe 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/ServiceLocatorTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/ServiceLocatorTest.php
@@ -12,6 +12,7 @@
 namespace Symfony\Component\DependencyInjection\Tests;
 
 use PHPUnit\Framework\TestCase;
+use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
 use Symfony\Component\DependencyInjection\ServiceLocator;
 
 class ServiceLocatorTest extends TestCase
@@ -58,7 +59,7 @@ public function testGetDoesNotMemoize()
 
     /**
      * @expectedException        \Psr\Container\NotFoundExceptionInterface
-     * @expectedExceptionMessage You have requested a non-existent service "dummy"
+     * @expectedExceptionMessage You have requested a non-existent service "dummy". Did you mean one of these: "foo", "bar"?
      */
     public function testGetThrowsOnUndefinedService()
     {
@@ -67,7 +68,13 @@ public function testGetThrowsOnUndefinedService()
             'bar' => function () { return 'baz'; },
         ));
 
-        $locator->get('dummy');
+        try {
+            $locator->get('dummy');
+        } catch (ServiceNotFoundException $e) {
+            $this->assertSame(array('foo', 'bar'), $e->getAlternatives());
+
+            throw $e;
+        }
     }
 
     public function testInvoke()