presseportale/tests/Feature/Web/FeedTest.php

<?php

use App\Enums\Portal;
use App\Models\Category;
use App\Models\Company;
use App\Models\PressRelease;
use App\Support\WebCaches;
use App\Support\WebPageCache;
use Illuminate\Support\Facades\Cache;
use Tests\TestCase;

/**
 * RSS-Feeds je Branche und je Portal (Roadmap 3.1): /{edition}/feed und
 * /{edition}/category/{slug}/feed.
 */
function feedCategory(Portal $portal = Portal::Presseecho, string $slug = 'handel', string $name = 'Handel', ?Category $parent = null): Category
{
    $category = Category::factory()->create(['portal' => $portal, 'is_active' => true, 'parent_id' => $parent?->id]);
    $category->translations()->create(['locale' => 'de', 'name' => $name, 'slug' => $slug, 'description' => 'Meldungen aus dem Bereich '.$name.'.']);
    $category->translations()->create(['locale' => 'en', 'name' => $name.' EN', 'slug' => $slug.'-en']);

    return $category;
}

function feedRelease(Category $category, string $slug, array $attributes = [], Portal $portal = Portal::Presseecho): PressRelease
{
    return PressRelease::factory()
        ->published()
        ->forPortal($portal)
        ->for($category)
        ->for(Company::factory()->presseecho()->create(['name' => 'Feed GmbH & Co.']))
        ->create(['slug' => $slug, 'published_at' => now()->subHour(), 'language' => 'de', ...$attributes]);
}

test('the category feed lists the newest releases of the category and its children on the own portal', function () {
    /** @var TestCase $this */
    $category = feedCategory();
    $child = feedCategory(Portal::Presseecho, 'einzelhandel', 'Einzelhandel', $category);
    $other = feedCategory(Portal::Presseecho, 'energie', 'Energie');

    feedRelease($category, 'neu', ['title' => 'Neue Meldung & mehr', 'text' => '<p>Erster Absatz der Meldung.</p>', 'published_at' => now()->subHour()]);
    feedRelease($child, 'kind', ['title' => 'Aus der Unterkategorie', 'published_at' => now()->subHours(2)]);
    feedRelease($other, 'andere-branche');
    feedRelease($category, 'fremdes-portal', [], Portal::Businessportal24);
    feedRelease($category, 'terminiert', ['published_at' => now()->addHour()]);
    feedRelease($category, 'englisch', ['language' => 'en']);
    feedRelease($category, 'beide-portale', ['published_at' => now()->subHours(3)], Portal::Both);

    $response = $this->get('https://presseecho.test/de/category/handel/feed')->assertSuccessful();

    expect($response->headers->get('Content-Type'))->toBe('application/rss+xml; charset=UTF-8');

    $xml = (string) $response->getContent();
    expect($xml)
        ->toStartWith('<?xml version="1.0" encoding="UTF-8"?>')
        ->toContain('<title>Pressemitteilungen Handel – presseecho</title>')
        ->toContain('<link>https://presseecho.test/de/category/handel</link>')
        ->toContain('<atom:link href="https://presseecho.test/de/category/handel/feed" rel="self" type="application/rss+xml" />')
        ->toContain('<description>Meldungen aus dem Bereich Handel.</description>')
        ->toContain('<language>de</language>')
        ->toContain('<title>Neue Meldung &amp; mehr</title>')
        ->toContain('<guid isPermaLink="true">https://presseecho.test/de/press-release/neu</guid>')
        ->toContain('<description>Erster Absatz der Meldung.</description>')
        ->toContain('<category>Handel</category>')
        ->toContain('<dc:creator>Feed GmbH &amp; Co.</dc:creator>')
        ->toContain('<link>https://presseecho.test/de/press-release/kind</link>')
        ->toContain('<link>https://presseecho.test/de/press-release/beide-portale</link>');

    // Neueste zuerst.
    expect(strpos($xml, 'press-release/neu'))->toBeLessThan((int) strpos($xml, 'press-release/kind'));

    foreach (['andere-branche', 'fremdes-portal', 'terminiert', 'press-release/englisch'] as $absent) {
        $this->assertStringNotContainsString($absent, $xml);
    }

    // Wohlgeformt: die Ausgabe muss ein XML-Parser lesen können.
    $document = simplexml_load_string($xml);
    expect($document)->not->toBeFalse()
        ->and(count($document->channel->item))->toBe(3);
});

test('the portal feed lists releases of all categories, newest first, capped', function () {
    /** @var TestCase $this */
    $handel = feedCategory();
    $energie = feedCategory(Portal::Presseecho, 'energie', 'Energie');
    feedRelease($handel, 'handel-neu', ['published_at' => now()->subHour()]);
    feedRelease($energie, 'energie-alt', ['published_at' => now()->subDay()]);
    feedRelease($handel, 'fremd', [], Portal::Businessportal24);

    $xml = (string) $this->get('https://presseecho.test/de/feed')->assertSuccessful()->getContent();

    expect($xml)
        ->toContain('<title>Pressemitteilungen – presseecho</title>')
        ->toContain('<link>https://presseecho.test/de</link>')
        ->toContain('<atom:link href="https://presseecho.test/de/feed" rel="self" type="application/rss+xml" />')
        ->toContain('press-release/handel-neu')
        ->toContain('press-release/energie-alt');
    expect(strpos($xml, 'handel-neu'))->toBeLessThan((int) strpos($xml, 'energie-alt'));
    $this->assertStringNotContainsString('press-release/fremd', $xml);
});

test('an unknown or inactive category has no feed', function () {
    /** @var TestCase $this */
    $inactive = feedCategory(Portal::Presseecho, 'veraltet', 'Veraltet');
    $inactive->update(['is_active' => false]);

    $this->get('https://presseecho.test/de/category/gibt-es-nicht/feed')->assertNotFound();
    $this->get('https://presseecho.test/de/category/veraltet/feed')->assertNotFound();
});

test('the english edition serves the feed under the english slug with english releases only', function () {
    /** @var TestCase $this */
    $category = feedCategory();
    feedRelease($category, 'deutsch');
    feedRelease($category, 'english', ['language' => 'en', 'title' => 'English release']);

    $xml = (string) $this->get('https://presseecho.test/en/category/handel-en/feed')->assertSuccessful()->getContent();

    expect($xml)
        ->toContain('<title>Handel EN press releases – presseecho</title>')
        ->toContain('<language>en</language>')
        ->toContain('https://presseecho.test/en/press-release/english');
    $this->assertStringNotContainsString('press-release/deutsch', $xml);
});

test('category and home pages announce the feeds for autodiscovery and link them', function () {
    /** @var TestCase $this */
    $category = feedCategory();
    feedRelease($category, 'irgendwas');

    $this->get('https://presseecho.test/de/category/handel')->assertSuccessful()
        ->assertSee('<link rel="alternate" type="application/rss+xml" title="RSS-Feed: Pressemitteilungen Handel – presseecho" href="https://presseecho.test/de/category/handel/feed">', false)
        ->assertSee('<link rel="alternate" type="application/rss+xml" title="RSS-Feed: alle Pressemitteilungen – presseecho" href="https://presseecho.test/de/feed">', false)
        ->assertSee('href="https://presseecho.test/de/category/handel/feed" type="application/rss+xml"', false);

    $this->get('https://presseecho.test/de')->assertSuccessful()
        ->assertSee('type="application/rss+xml" title="RSS-Feed: alle Pressemitteilungen – presseecho" href="https://presseecho.test/de/feed"', false);

    $this->get('https://presseecho.test/llms.txt')->assertSuccessful()
        ->assertSee('https://presseecho.test/de/feed', false)
        ->assertSee('https://presseecho.test/de/category/{slug}/feed', false);
});

test('the hub redirects feed addresses to the portal', function () {
    /** @var TestCase $this */
    feedCategory(Portal::Both);

    $this->get('https://pressekonto.test/de/feed')
        ->assertRedirect('https://presseecho.test/de/feed')
        ->assertStatus(301);
    $this->get('https://pressekonto.test/de/category/handel/feed')
        ->assertRedirect('https://presseecho.test/de/category/handel/feed')
        ->assertStatus(301);
});

test('the feed is cached with the page data and cleared with the public pages', function () {
    /** @var TestCase $this */
    $category = feedCategory();
    feedRelease($category, 'erste');

    $this->get('https://presseecho.test/de/category/handel/feed')->assertSuccessful();
    $key = WebPageCache::key('feed', ['presseecho', 'de', 'handel']);
    expect(Cache::has($key))->toBeTrue();

    WebCaches::forgetPublicPages();

    expect(Cache::has(WebPageCache::key('feed', ['presseecho', 'de', 'handel'])))->toBeFalse();
});