套件的 Queue Job 與更新時的相容性

public string $format = 'csv';

public function __construct(
    public string $format = 'csv',
) {}

<?php

namespace Acme\Reports\Jobs;

use Acme\Reports\Contracts\ReportExporter;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Queue\Queueable;
use UnexpectedValueException;

class GenerateReport implements ShouldQueue
{
    use Queueable;

    public string $format = 'csv';

    public int $payloadVersion = 1;

    public function __construct(
        public string $reportId,
        string $format = 'csv',
    ) {
        $this->format = $format;
        $this->payloadVersion = 2;
    }

    public function handle(ReportExporter $exporter): void
    {
        if (! in_array($this->payloadVersion, [1, 2], true)) {
            throw new UnexpectedValueException('Unsupported report payload version.');
        }

        $exporter->export($this->reportId, $this->format);
    }
}

use Acme\Reports\Jobs\GenerateReport;
use Illuminate\Support\Facades\DB;

DB::transaction(function () use ($reportId) {
    // 在這個交易中建立或更新目標記錄。

    GenerateReport::dispatch($reportId)->afterCommit();
});

use Acme\Reports\Jobs\GenerateReport;
use Illuminate\Support\Facades\Queue;

Queue::fake()->serializeAndRestore();

GenerateReport::dispatch('report-001', 'json');

Queue::assertPushed(GenerateReport::class, function (GenerateReport $job) {
    return $job->reportId === 'report-001'
        && $job->format === 'json'
        && $job->payloadVersion === 2;
});

use Acme\Reports\Jobs\GenerateReport;

file_put_contents(
    __DIR__.'/fixtures/generate-report-v1.serialized',
    serialize(new GenerateReport('report-legacy')),
);

<?php

namespace Acme\Reports\Tests;

use Acme\Reports\Jobs\GenerateReport;

class JobCompatibilityTest extends TestCase
{
    public function test_new_payload_keeps_explicit_values(): void
    {
        $job = unserialize(serialize(new GenerateReport('report-001', 'json')));

        $this->assertInstanceOf(GenerateReport::class, $job);
        $this->assertSame('report-001', $job->reportId);
        $this->assertSame('json', $job->format);
        $this->assertSame(2, $job->payloadVersion);
    }

    public function test_default_format_is_omitted_but_new_version_is_saved(): void
    {
        $values = (new GenerateReport('report-001'))->__serialize();

        $this->assertArrayNotHasKey('format', $values);
        $this->assertSame(2, $values['payloadVersion']);
    }

    public function test_old_payload_uses_legacy_defaults(): void
    {
        $job = unserialize(file_get_contents(
            __DIR__.'/fixtures/generate-report-v1.serialized',
        ));

        $this->assertInstanceOf(GenerateReport::class, $job);
        $this->assertSame('report-legacy', $job->reportId);
        $this->assertSame('csv', $job->format);
        $this->assertSame(1, $job->payloadVersion);
    }
}