[Process] Fixed ProcessFailedException not populating exception message due to a missing sprintf parameter

src/Symfony/Component/Process/Exception/ProcessFailedException.php

@@ -28,7 +28,12 @@ class ProcessFailedException extends RuntimeException
             throw new \InvalidArgumentException('Expected a failed process, but the given process was successful.');
         }
 
-        parent::__construct(sprintf('The command "%s" failed.'."\n\nOutput:\n================\n".$process->getOutput()."\n\nError Output:\n================\n".$process->getErrorOutput()));
+        parent::__construct(
+            sprintf(
+                'The command "%s" failed.'."\n\nOutput:\n================\n".$process->getOutput()."\n\nError Output:\n================\n".$process->getErrorOutput(),
+                $process->getCommandLine()
+            )
+        );
 
         $this->process = $process;
     }

src/Symfony/Component/Process/Tests/ProcessFailedExceptionTest.php

@@ -0,0 +1,75 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Process\Tests;
+
+use Symfony\Component\Process\Process,
+    Symfony\Component\Process\Exception\ProcessFailedException;
+
+/**
+ * @author Sebastian Marek <proofek@gmail.com>
+ */
+class ProcessFailedExceptionTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * tests ProcessFailedException throws exception if the process was successful
+     */
+    public function testProcessFailedExceptionThrowsException()
+    {
+        $process = $this->getMock(
+            'Symfony\Component\Process\Process',
+            array('isSuccessful'),
+            array('php')
+        );
+        $process->expects($this->once())
+            ->method('isSuccessful')
+            ->will($this->returnValue(true));
+
+        $this->setExpectedException(
+            '\InvalidArgumentException',
+            'Expected a failed process, but the given process was successful.'
+        );
+        $exception = new ProcessFailedException($process);
+    }
+
+    /**
+     * tests ProcessFailedException uses information from process output
+     * to generate exception message
+     */
+    public function testProcessFailedExceptionPopulatesInformationFromProcessOutput()
+    {
+        $cmd = 'php';
+        $output = "Command output";
+        $errorOutput = "FATAL: Unexpected error";
+
+        $process = $this->getMock(
+            'Symfony\Component\Process\Process',
+            array('isSuccessful', 'getOutput', 'getErrorOutput'),
+            array($cmd)
+        );
+        $process->expects($this->once())
+            ->method('isSuccessful')
+            ->will($this->returnValue(false));
+        $process->expects($this->once())
+            ->method('getOutput')
+            ->will($this->returnValue($output));
+        $process->expects($this->once())
+            ->method('getErrorOutput')
+            ->will($this->returnValue($errorOutput));
+
+        $exception = new ProcessFailedException($process);
+
+        $this->assertEquals(
+            "The command \"$cmd\" failed.\n\nOutput:\n================\n{$output}\n\nError Output:\n================\n{$errorOutput}",
+            $exception->getMessage()
+        );
+    }
+}