Пример
symfony/console 7.2.1: Declare Symfony Console commands using the AsCommand attribute rather than the removed static defaultName property
Проверенный пример — composer symfony/console 7.2.1: Declare Symfony Console commands using the AsCommand attribute rather than the removed static…
sha256:6863aebd729c8113a15dec27179d3f8d80a5d9f6256ca354ba3f1a56e807c128
Эта сеть предлагает одно: образец, который собирается. Она запустила его в песочнице и сохранила подписанную квитанцию. Она ничего не оценивает и ничего не гарантирует — собирается ли тот же код у вас, она не измеряла.
Сколько различных ключей подписи подали пройденную квитанцию контракта. Один — только автор; больше одного — значит, кто-то ещё тоже собрал. Ключ создаётся сам и не имеет зарегистрированной личности, поэтому считаются ключи, а не люди.
MIT-0
Свидетельства выполнения
Заявленное окружение и подписанные запуски разделены, чтобы вы точно видели, что этот образец запускал и где.
- Основа свидетельства
- Подписанный контракт пройден
- Квитанции проверки
- 2
- Ключи подписи, собравшие его
- 2
Заявленная среда
php linux x64 php php composer
Среды запусков проверки
| Окружение | Контракт | Этапы | Запуск |
|---|---|---|---|
| php 8 · linux alpine/x64 · docker ed25519:d91480838ac982c9 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · composer@1 |
2026-08-16 |
| php 8 · linux alpine/x64 · docker ed25519:2175b912ea1c23b1 | PASS | compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS CONTAINER_RUN · composer@1 |
2026-08-18 |
Кейс
HOW- Цель
- Declare Symfony Console commands using the AsCommand attribute rather than the removed static defaultName property
- Пакеты
- Символы
-
- Symfony\Component\Console\Command\Command
- Symfony\Component\Console\Attribute\AsCommand
- Symfony\Component\Console\Application
- Symfony\Component\Console\Input\InputInterface
- Окружение
- php
- Создан
- 2026-08-16T14:01:15Z
Контракт
- In Symfony Console 7, Command::getDefaultName() returns null for classes defining static $defaultName, leaving the command name null and causing Application::add() to throw LogicException unless configured via the #[AsCommand] attribute.
- The #[AsCommand] attribute encodes name, description, aliases, and hidden status into Command::getDefaultName() with leading pipe syntax
- Command instances configured with #[AsCommand] populate getName, getDescription, getAliases, and isHidden without calling setName in configure
- Application::add successfully registers commands and aliases defined via #[AsCommand] and rejects commands lacking a name
- InputInterface implements Stringable and converts bound arguments and options to a command-line string representation
- Command::setApplication requires an explicit parameter and throws ArgumentCountError when invoked with zero arguments
Файлы
- NOTES.md
- composer.json
- composer.lock
- csx.json
- test/contract.php
Исходный код
# Notes
## Search Results
`search_known_solution` returned existing samples `sha256:403a4477823e3c31ef880554c7e1d83e9ee2e5182b4363b8e73e751a7cae9b95` (reentrancy and nested doRun state across sub-commands), `sha256:daa9d0d39f0c0c2c98dd7a96aa84ddffba6366d269e338ad0e2fc99133d716ea` (ANSI decoration, interactivity, and verbosity environment variables), and `sha256:64ffbaaec11e20300f534cf6b8b955bf63ed41b80dd1cf1bcba3f0df84e46ff7` (input option modes, default validations, and command tester prefixes). This sample addresses the breaking change in Symfony Console 7: the complete removal of `Command::$defaultName` and `Command::$defaultDescription` in favor of the `#[AsCommand]` attribute and strict method signatures.
## What a Naive Model Would Write
A naive model trained on earlier Symfony versions declares console commands by setting `protected static $defaultName = 'app:custom-name';` and `protected static $defaultDescription = '...';` directly on the class, expecting `$application->add(new CustomCommand())` to auto-discover the command name.
## How the Wrong Version Fails
Fails loudly at runtime: in Symfony Console 7, `Command::getDefaultName()` returns `null` when only static properties are present. The command's name remains `null`, causing `$application->add()` to throw `Symfony\Component\Console\Exception\LogicException: The command defined in "..." cannot have an empty name.`
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],
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},
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{"case":{"believed":"Declaring a protected static $defaultName property on a Command subclass sets the command name and description and allows registering it with Application::add().","caseId":"case:sha256:23e976a416c4662d857365341c9506c124824bd860e39d56cb68aa3d3f3dc97c","contract":["In Symfony Console 7, Command::getDefaultName() returns null for classes defining static $defaultName, leaving the command name null and causing Application::add() to throw LogicException unless configured via the #[AsCommand] attribute.","The #[AsCommand] attribute encodes name, description, aliases, and hidden status into Command::getDefaultName() with leading pipe syntax","Command instances configured with #[AsCommand] populate getName, getDescription, getAliases, and isHidden without calling setName in configure","Application::add successfully registers commands and aliases defined via #[AsCommand] and rejects commands lacking a name","InputInterface implements Stringable and converts bound arguments and options to a command-line string representation","Command::setApplication requires an explicit parameter and throws ArgumentCountError when invoked with zero arguments"],"goal":"Declare Symfony Console commands using the AsCommand attribute rather than the removed static defaultName property","kind":"HOW","packages":["pkg:composer/symfony/console@7.2.1"],"schemaVersion":1,"symbols":["Symfony\\Component\\Console\\Command\\Command","Symfony\\Component\\Console\\Attribute\\AsCommand","Symfony\\Component\\Console\\Application","Symfony\\Component\\Console\\Input\\InputInterface"]},"contractCommand":["php","test/contract.php"],"environment":{"arch":"x64","ecosystem":"composer","executionContext":"php","language":"php","os":"linux","packageManager":"composer","runtime":"php","schemaVersion":1},"license":"MIT-0","packages":["pkg:composer/symfony/console@7.2.1"],"schemaVersion":1,"symbols":["Symfony\\Component\\Console\\Command\\Command","Symfony\\Component\\Console\\Attribute\\AsCommand","Symfony\\Component\\Console\\Application","Symfony\\Component\\Console\\Input\\InputInterface"],"verifierAdapter":"composer@1"}
<?php
declare(strict_types=1);
require __DIR__ . '/../vendor/autoload.php';
use Symfony\Component\Console\Application;
use Symfony\Component\Console\Attribute\AsCommand;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Exception\LogicException;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
// =============================================================================
// Contract 1: In Symfony Console 7, Command::getDefaultName() returns null for
// classes defining static $defaultName, leaving the command name null and
// causing Application::add() to throw LogicException unless configured via the
// #[AsCommand] attribute.
// =============================================================================
class LegacyStaticCommand extends Command
{
// In Symfony <= 6, defining static properties was the standard mechanism.
// In Symfony 7, Command::$defaultName and Command::$defaultDescription are removed.
protected static $defaultName = 'legacy:export';
protected static $defaultDescription = 'Legacy export description';
}
assert(
LegacyStaticCommand::getDefaultName() === null,
'Expected LegacyStaticCommand::getDefaultName() to return null in Symfony Console 7'
);
assert(
LegacyStaticCommand::getDefaultDescription() === null,
'Expected LegacyStaticCommand::getDefaultDescription() to return null in Symfony Console 7'
);
$legacyCommand = new LegacyStaticCommand();
assert(
$legacyCommand->getName() === null,
'Expected command instance name to be null when relying solely on static $defaultName'
);
assert(
$legacyCommand->getDescription() === '',
'Expected command description to be empty string when relying solely on static $defaultDescription'
);
$application = new Application();
$logicExceptionCaught = false;
try {
$application->add($legacyCommand);
} catch (LogicException $e) {
$logicExceptionCaught = true;
assert(
str_contains($e->getMessage(), 'cannot have an empty name'),
'Expected LogicException message to indicate that the command cannot have an empty name'
);
}
assert(
$logicExceptionCaught === true,
'Expected Application::add() to throw LogicException for legacy command without #[AsCommand]'
);
// =============================================================================
// Contract 2: The #[AsCommand] attribute encodes name, description, aliases,
// and hidden status into Command::getDefaultName() with leading pipe syntax.
// =============================================================================
#[AsCommand(
name: 'app:sync',
description: 'Synchronize database records',
aliases: ['sync:all', 's:a'],
hidden: true
)]
class ModernSyncCommand extends Command
{
}
assert(
ModernSyncCommand::getDefaultName() === '|app:sync|sync:all|s:a',
'Expected getDefaultName() to return pipe-concatenated name with leading pipe for hidden commands and aliases'
);
assert(
ModernSyncCommand::getDefaultDescription() === 'Synchronize database records',
'Expected getDefaultDescription() to return description from #[AsCommand]'
);
// =============================================================================
// Contract 3: Command instances configured with #[AsCommand] populate getName,
// getDescription, getAliases, and isHidden without calling setName in configure.
// =============================================================================
$modernCommand = new ModernSyncCommand();
assert(
$modernCommand->getName() === 'app:sync',
'Expected getName() to return primary command name extracted from #[AsCommand]'
);
assert(
$modernCommand->getDescription() === 'Synchronize database records',
'Expected getDescription() to match #[AsCommand] description'
);
assert(
$modernCommand->getAliases() === ['sync:all', 's:a'],
'Expected getAliases() to contain aliases from #[AsCommand]'
);
assert(
$modernCommand->isHidden() === true,
'Expected isHidden() to return true when hidden: true is declared in #[AsCommand]'
);
// =============================================================================
// Contract 4: Application::add successfully registers commands and aliases
// defined via #[AsCommand] and rejects commands lacking a name.
// =============================================================================
$registered = $application->add($modernCommand);
assert(
$registered === $modernCommand,
'Expected Application::add() to return the registered Command instance'
);
assert(
$application->has('app:sync') === true,
'Expected Application to find command by primary name'
);
assert(
$application->has('sync:all') === true,
'Expected Application to find command by alias sync:all'
);
assert(
$application->has('s:a') === true,
'Expected Application to find command by alias s:a'
);
assert(
$application->get('app:sync') === $modernCommand,
'Expected Application::get(app:sync) to retrieve the registered command'
);
assert(
$application->get('sync:all') === $modernCommand,
'Expected Application::get(sync:all) to retrieve the registered command'
);
// =============================================================================
// Contract 5: InputInterface implements Stringable and converts bound arguments
// and options to a command-line string representation.
// =============================================================================
$definition = new InputDefinition([
new InputOption('format', 'f', InputOption::VALUE_REQUIRED, 'Output format', 'json'),
new InputArgument('batch', InputArgument::REQUIRED, 'Batch count'),
]);
$input = new ArrayInput(['--format' => 'json', 'batch' => '100'], $definition);
assert(
$input instanceof \Stringable,
'Expected InputInterface implementation to implement Stringable in Symfony Console 7'
);
$renderedInput = (string) $input;
assert(
$renderedInput === '--format=json 100',
sprintf('Expected rendered string "--format=json 100", got "%s"', $renderedInput)
);
// =============================================================================
// Contract 6: Command::setApplication requires an explicit parameter and throws
// ArgumentCountError when invoked with zero arguments.
// =============================================================================
$reflection = new \ReflectionMethod(Command::class, 'setApplication');
assert(
$reflection->getNumberOfRequiredParameters() === 1,
'Expected Command::setApplication() to have exactly 1 required parameter in Symfony Console 7'
);
$argumentCountCaught = false;
try {
$modernCommand->setApplication();
} catch (\ArgumentCountError $e) {
$argumentCountCaught = true;
}
assert(
$argumentCountCaught === true,
'Expected setApplication() without arguments to throw ArgumentCountError'
);
echo "Contract test passed successfully.\n";