PHP-CS-Fixer/tests/Console/Command

/*
* This file is part of PHP CS Fixer.
*
* (c) Fabien Potencier
* Dariusz Rumiński
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/

namespace PhpCsFixer\Tests\Console\Command;

use PhpCsFixer\Console\Application;
use PhpCsFixer\Tests\TestCase;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Output\BufferedOutput;
use Symfony\Component\Console\Output\OutputInterface;

/**
* @author Dariusz Rumiński
*
* @internal
*
* @covers \PhpCsFixer\Console\Command\ReadmeCommand
*/
final class ReadmeCommandTest extends TestCase
{
public function testIfReadmeFileIsCorrect()
{
$readmeFile = __DIR__.'/../../../README.rst';
$this->assertFileExists($readmeFile, sprintf('README file "%s" not found.', $readmeFile)); // switch to `assertFileIsReadable` on PHPUnit6
$this->assertIsReadable($readmeFile, sprintf('Cannot read "%s".', $readmeFile));
$this->assertTrue(is_file($readmeFile), sprintf('Expected file "%s" to be a file.', $readmeFile));
$fileContent = file_get_contents($readmeFile);
$this->assertInternalType('string', $fileContent, sprintf('Failed to get content of "%s"', $readmeFile));

$app = new Application();
$input = new ArrayInput(['readme']);

$output = new BufferedOutput();
$output->setVerbosity(OutputInterface::VERBOSITY_VERY_VERBOSE);
$output->setDecorated(false);

$exitCode = $app->get('readme')->run($input, $output);
$output = $output->fetch();
// normalize line breaks, these are not important for the tests
$output = str_replace(PHP_EOL, "\n", $output);

$this->assertSame(
0,
$exitCode,
sprintf("readme command did not exit successfully.\n%s", $output)
);

$this->assertSame(
$output,
$fileContent,
'README.rst file is not up to date! Do not modify it manually! Regenerate readme with command: `php php-cs-fixer readme > README.rst`.'
);
}
}