class FeedParserTest

class FeedParserTest extends AggregatorTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Do not delete old aggregator items during these tests, since our sample
        // feeds have hardcoded dates in them (which may be expired when this test
        // is run).
        $this->config('aggregator.settings')
            ->set('items.expire', FeedStorageInterface::CLEAR_NEVER)
            ->save();
    }
    
    /**
     * Tests a feed that uses the RSS 0.91 format.
     */
    public function testRSS091Sample() {
        $feed = $this->createFeed($this->getRSS091Sample());
        $feed->refreshItems();
        $this->drupalGet('aggregator/sources/' . $feed->id());
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains('First example feed item title');
        $this->assertSession()
            ->linkByHrefExists('http://example.com/example-turns-one');
        $this->assertSession()
            ->pageTextContains('First example feed item description.');
        $this->assertSession()
            ->responseContains('<img src="http://example.com/images/druplicon.png"');
        // Several additional items that include elements over 255 characters.
        $this->assertSession()
            ->pageTextContains("Second example feed item title.");
        $this->assertSession()
            ->pageTextContains('Long link feed item title');
        $this->assertSession()
            ->pageTextContains('Long link feed item description');
        $this->assertSession()
            ->linkByHrefExists('http://example.com/tomorrow/and/tomorrow/and/tomorrow/creeps/in/this/petty/pace/from/day/to/day/to/the/last/syllable/of/recorded/time/and/all/our/yesterdays/have/lighted/fools/the/way/to/dusty/death/out/out/brief/candle/life/is/but/a/walking/shadow/a/poor/player/that/struts/and/frets/his/hour/upon/the/stage/and/is/heard/no/more/it/is/a/tale/told/by/an/idiot/full/of/sound/and/fury/signifying/nothing');
        $this->assertSession()
            ->pageTextContains('Long author feed item title');
        $this->assertSession()
            ->pageTextContains('Long author feed item description');
        $this->assertSession()
            ->linkByHrefExists('http://example.com/long/author');
    }
    
    /**
     * Tests a feed that uses the Atom format.
     */
    public function testAtomSample() {
        $feed = $this->createFeed($this->getAtomSample());
        $feed->refreshItems();
        $this->drupalGet('aggregator/sources/' . $feed->id());
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains('Atom-Powered Robots Run Amok');
        $this->assertSession()
            ->linkByHrefExists('http://example.org/2003/12/13/atom03');
        $this->assertSession()
            ->pageTextContains('Some text.');
        $item_ids = \Drupal::entityQuery('aggregator_item')->accessCheck(FALSE)
            ->condition('link', 'http://example.org/2003/12/13/atom03')
            ->execute();
        $item = Item::load(array_values($item_ids)[0]);
        $this->assertEquals('urn:uuid:1225c695-cfb8-4ebb-aaaa-80da344efa6a', $item->getGuid(), 'Atom entry id element is parsed correctly.');
        // Check for second feed entry.
        $this->assertSession()
            ->pageTextContains('We tried to stop them, but we failed.');
        $this->assertSession()
            ->linkByHrefExists('http://example.org/2003/12/14/atom03');
        $this->assertSession()
            ->pageTextContains('Some other text.');
        $item_ids = \Drupal::entityQuery('aggregator_item')->accessCheck(FALSE)
            ->condition('link', 'http://example.org/2003/12/14/atom03')
            ->execute();
        $item = Item::load(array_values($item_ids)[0]);
        $this->assertEquals('urn:uuid:1225c695-cfb8-4ebb-bbbb-80da344efa6a', $item->getGuid(), 'Atom entry id element is parsed correctly.');
    }
    
    /**
     * Tests a feed that uses HTML entities in item titles.
     */
    public function testHtmlEntitiesSample() {
        $feed = $this->createFeed($this->getHtmlEntitiesSample());
        $feed->refreshItems();
        $this->drupalGet('aggregator/sources/' . $feed->id());
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->responseContains("Quote&quot; Amp&amp;");
    }
    
    /**
     * Tests that a redirected feed is tracked to its target.
     */
    public function testRedirectFeed() {
        $redirect_url = Url::fromRoute('aggregator_test.redirect')->setAbsolute()
            ->toString();
        $feed = Feed::create([
            'url' => $redirect_url,
            'title' => $this->randomMachineName(),
        ]);
        $feed->save();
        $feed->refreshItems();
        // Make sure that the feed URL was updated correctly.
        $this->assertEquals(Url::fromRoute('aggregator_test.feed', [], [
            'absolute' => TRUE,
        ])->toString(), $feed->getUrl());
    }
    
    /**
     * Tests error handling when an invalid feed is added.
     */
    public function testInvalidFeed() {
        // Simulate a typo in the URL to force a curl exception.
        $invalid_url = 'http:/www.drupal.org';
        $feed = Feed::create([
            'url' => $invalid_url,
            'title' => $this->randomMachineName(),
        ]);
        $feed->save();
        // Update the feed. Use the UI to be able to check the message easily.
        $this->drupalGet('admin/config/services/aggregator');
        $this->clickLink('Update items');
        $this->assertSession()
            ->pageTextContains('The feed from ' . $feed->label() . ' seems to be broken because of error');
    }

}