class FeedValidationTest

class FeedValidationTest extends EntityKernelTestBase {
    
    /**
     * Modules to install.
     *
     * @var array
     */
    protected static $modules = [
        'aggregator',
        'options',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        $this->installEntitySchema('aggregator_feed');
    }
    
    /**
     * Tests the feed validation constraints.
     */
    public function testValidation() {
        // Add feed.
        $feed = Feed::create([
            'title' => 'Feed 1',
            'url' => 'https://www.drupal.org/planet/rss.xml',
            'refresh' => 900,
        ]);
        $violations = $feed->validate();
        $this->assertCount(0, $violations);
        $feed->save();
        // Add another feed.
        
        /** @var \Drupal\aggregator\FeedInterface $feed */
        $feed = Feed::create([
            'title' => 'Feed 1',
            'url' => 'https://www.drupal.org/planet/rss.xml',
            'refresh' => 900,
        ]);
        $violations = $feed->validate();
        $this->assertCount(2, $violations);
        $this->assertEquals('title', $violations[0]->getPropertyPath());
        $this->assertEquals(t('A feed named %value already exists. Enter a unique title.', [
            '%value' => $feed->label(),
        ]), $violations[0]->getMessage());
        $this->assertEquals('url', $violations[1]->getPropertyPath());
        $this->assertEquals(t('A feed with this URL %value already exists. Enter a unique URL.', [
            '%value' => $feed->getUrl(),
        ]), $violations[1]->getMessage());
    }

}