public function testErrorIsPrintedIfConfigFileExists()
{
touch($this->configFile);
$command = $this->getApplication()->find('local-config:generate');
$commandTester = new CommandTester($command);
$commandTester->execute(array('command' => $command->getName(), 'db-host' => 'my_db_host', 'db-user' => 'my_db_user', 'db-pass' => 'my_db_pass', 'db-name' => 'my_db_name', 'session-save' => 'my_session_save', 'admin-frontname' => 'my_admin_frontname', 'encryption-key' => 'key123456789'));
$this->assertFileExists($this->configFile);
$this->assertContains(sprintf('local.xml file already exists in folder "%s/app/etc"', dirname($this->configFile)), $commandTester->getDisplay());
}