public function test_Should_GetAllAppSettings()
{
$config = <<<EOF
APP_URL=http://example.com
EOF;
$dotenv = vfsStream::newFile('.env')->at($this->rootDir)->setContent($config);
$dotenvReader = new DotenvReader(new LaravelFilesystem($this->app['files']), vfsStream::url('rootDir/.env'));
$dotenvWriter = new DotenvWriter(new LaravelFilesystem($this->app['files']), vfsStream::url('rootDir/.env'));
$configAppSettingRepository = new ConfigAppSetting($dotenvReader, $dotenvWriter);
$appSettings = $configAppSettingRepository->all();
$this->assertEquals('http://example.com', $appSettings->getUrl());
}