パッケージの外部プロセス実行とProcess::fake

<?php

namespace Vendor\Package\Support;

use Illuminate\Support\Facades\Process;

final class VideoConverter
{
    public function toMp4(string $source, string $target): void
    {
        Process::timeout(120)
            ->run(['ffmpeg', '-y', '-i', $source, $target])
            ->throw();
    }
}

<?php

namespace Vendor\Package\Tests\Feature;

use Illuminate\Contracts\Process\ProcessResult;
use Illuminate\Process\Exceptions\ProcessFailedException;
use Illuminate\Process\PendingProcess;
use Illuminate\Support\Facades\Process;
use Vendor\Package\Support\VideoConverter;
use Vendor\Package\Tests\TestCase;

class VideoConverterTest extends TestCase
{
    public function test_it_runs_ffmpeg_with_the_expected_arguments(): void
    {
        Process::fake([
            '*' => Process::result(output: 'converted'),
        ]);

        (new VideoConverter)->toMp4('/tmp/in.mov', '/tmp/out.mp4');

        Process::assertRan(
            fn (PendingProcess $process, ProcessResult $result) => $process->command === ['ffmpeg', '-y', '-i', '/tmp/in.mov', '/tmp/out.mp4']
        );
    }

    public function test_it_fails_when_ffmpeg_exits_with_an_error(): void
    {
        Process::fake([
            '*' => Process::result(errorOutput: 'Invalid data', exitCode: 1),
        ]);

        $this->expectException(ProcessFailedException::class);

        (new VideoConverter)->toMp4('/tmp/in.mov', '/tmp/out.mp4');
    }
}

protected function setUp(): void
{
    parent::setUp();

    Process::preventStrayProcesses();
}