1<?php
2
3/*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12namespace Symfony\Component\Console\Tester;
13
14use Symfony\Component\Console\Command\Command;
15use Symfony\Component\Console\Completion\CompletionInput;
16use Symfony\Component\Console\Completion\CompletionSuggestions;
17
18/**
19 * Eases the testing of command completion.
20 *
21 * @author Jérôme Tamarelle <jerome@tamarelle.net>
22 */
23class CommandCompletionTester
24{
25    private $command;
26
27    public function __construct(Command $command)
28    {
29        $this->command = $command;
30    }
31
32    /**
33     * Create completion suggestions from input tokens.
34     */
35    public function complete(array $input): array
36    {
37        $currentIndex = \count($input);
38        if ('' === end($input)) {
39            array_pop($input);
40        }
41        array_unshift($input, $this->command->getName());
42
43        $completionInput = CompletionInput::fromTokens($input, $currentIndex);
44        $completionInput->bind($this->command->getDefinition());
45        $suggestions = new CompletionSuggestions();
46
47        $this->command->complete($completionInput, $suggestions);
48
49        $options = [];
50        foreach ($suggestions->getOptionSuggestions() as $option) {
51            $options[] = '--'.$option->getName();
52        }
53
54        return array_map('strval', array_merge($options, $suggestions->getValueSuggestions()));
55    }
56}
57