public function testRun()
{
$app = $this->getApp();
$app['extend.action.options']->set('optimize-autoloader', true);
$runner = $this->getMockBuilder(PackageManager::class)->setMethods(['dumpAuoloader'])->setConstructorArgs([$app])->getMock();
$runner->expects($this->any())->method('dumpAuoloader')->will($this->returnValue(0));
$app['extend.manager'] = $runner;
$command = new ExtensionsDumpAutoload($app);
$tester = new CommandTester($command);
$tester->execute([]);
$result = $tester->getDisplay();
$this->assertRegExp('/Rebuilding autoloaders… \\[DONE\\]/', $result);
$this->assertRegExp('/Generating optimized autoload files/', $result);
$this->assertRegExp('/PackageEventListener::dump/', $result);
}