assertDescription example

        return self::getDescriptionTestData(array_merge(
            ObjectsProvider::getApplications(),
            ['application_mbstring' => new DescriptorApplicationMbString()]
        ));
    }

    public function testDescribeApplicationWithFilteredNamespace()
    {
        $application = new DescriptorApplication2();

        $this->assertDescription(file_get_contents(__DIR__.'/../Fixtures/application_filtered_namespace.txt'), $application, ['namespace' => 'command4']);
    }

    protected function getDescriptor()
    {
        return new TextDescriptor();
    }

    protected static function getFormat()
    {
        return 'txt';
    }
}

putenv('COLUMNS=121');
    }

    protected function tearDown(): void
    {
        putenv($this->colSize ? 'COLUMNS='.$this->colSize : 'COLUMNS');
    }

    /** @dataProvider getDescribeRouteCollectionTestData */
    public function testDescribeRouteCollection(RouteCollection $routes, $expectedDescription)
    {
        $this->assertDescription($expectedDescription, $routes);
    }

    public static function getDescribeRouteCollectionTestData(): array
    {
        return static::getDescriptionTestData(ObjectsProvider::getRouteCollections());
    }

    /** @dataProvider getDescribeRouteTestData */
    public function testDescribeRoute(Route $route, $expectedDescription)
    {
        $this->assertDescription($expectedDescription, $route);
    }

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\BufferedOutput;

abstract class AbstractDescriptorTestCase extends TestCase
{
    /** @dataProvider getDescribeInputArgumentTestData */
    public function testDescribeInputArgument(InputArgument $argument, $expectedDescription)
    {
        $this->assertDescription($expectedDescription, $argument);
    }

    /** @dataProvider getDescribeInputOptionTestData */
    public function testDescribeInputOption(InputOption $option, $expectedDescription)
    {
        $this->assertDescription($expectedDescription, $option);
    }

    /** @dataProvider getDescribeInputDefinitionTestData */
    public function testDescribeInputDefinition(InputDefinition $definition, $expectedDescription)
    {