CommandCompletionTester.php
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CommandCompletionTester.php
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	<?php

	/*
	* This file is part of the Symfony package.
	*
	* (c) Fabien Potencier <fabien@symfony.com>
	*
	* For the full copyright and license information, please view the LICENSE
	* file that was distributed with this source code.
	*/

	namespace Symfony\Component\Console\Tester;

	use Symfony\Component\Console\Command\Command;
	use Symfony\Component\Console\Completion\CompletionInput;
	use Symfony\Component\Console\Completion\CompletionSuggestions;

	/**
	* Eases the testing of command completion.
	*
	* @author Jérôme Tamarelle <jerome@tamarelle.net>
	*/
	class CommandCompletionTester
	{
	public function __construct(
	private Command $command,
	) {
	}

	/**
	* Create completion suggestions from input tokens.
	*/
	public function complete(array $input): array
	{
	$currentIndex = \count($input);
	if ('' === end($input)) {
	array_pop($input);
	}
	array_unshift($input, $this->command->getName());

	$completionInput = CompletionInput::fromTokens($input, $currentIndex);
	$completionInput->bind($this->command->getDefinition());
	$suggestions = new CompletionSuggestions();

	$this->command->complete($completionInput, $suggestions);

	$options = [];
	foreach ($suggestions->getOptionSuggestions() as $option) {
	$options[] = '--'.$option->getName();
	}

	return array_map('strval', array_merge($options, $suggestions->getValueSuggestions()));
	}
	}