[Nostromo] Improve tests and coverage

src/Mage/Tests/MageApplicationTest.php

@@ -12,6 +12,7 @@ namespace Mage\Tests;
 
 use Mage\MageApplication;
 use Mage\Runtime\Exception\RuntimeException;
+use Symfony\Component\Console\Tester\ApplicationTester;
 use Exception;
 use PHPUnit_Framework_TestCase as TestCase;
 
@@ -35,7 +36,7 @@ class MageApplicationTest extends TestCase
         }
     }
 
-    public function testInValidFile()
+    public function testInvalidFile()
     {
         try {
             $application = new MageApplication();
@@ -45,4 +46,21 @@ class MageApplicationTest extends TestCase
             $this->assertEquals(sprintf('The file "%s" does not exists or is not readable.', __DIR__ . '/Resources/this-does-not-exists.yml'), $exception->getMessage());
         }
     }
+
+    public function testAppDispatcher()
+    {
+        $application = new MageApplication();
+        $application->setAutoExit(false);
+        $application->configure(__DIR__ . '/Resources/basic.yml');
+        $this->assertTrue($application instanceof MageApplication);
+
+        $application->register('foo')->setCode(function() {
+            throw new \RuntimeException('foo');
+        });
+
+        $tester = new ApplicationTester($application);
+        $tester->run(['command' => 'foo']);
+
+        $this->assertContains('Oops, exception thrown while running command foo', $tester->getDisplay());
+    }
 }