function DisplayFeedTest::testFeedCacheability

Tests the cacheability of the feed display.

File

core/modules/views/tests/src/Functional/Plugin/DisplayFeedTest.php, line 210

Class

DisplayFeedTest

Tests the feed display plugin.

Namespace

Code

public function testFeedCacheability() : void {
    // Test as an anonymous user.
    $this->drupalLogout();
    // Set the page cache max age to a value greater than zero.
    $config = $this->config('system.performance');
    $config->set('cache.page.max_age', 300);
    $config->save();
    // Uninstall all page cache modules that could cache the HTTP response
    // headers.
    \Drupal::service('module_installer')->uninstall([
        'page_cache',
        'dynamic_page_cache',
    ]);
    // Reset all so that the config and module changes are active.
    $this->resetAll();
    $url = 'test-feed-display.xml';
    $this->drupalGet($url);
    $this->assertSession()
        ->statusCodeEquals(200);
    $this->assertSession()
        ->responseHeaderEquals('Cache-Control', 'max-age=300, public');
    $this->assertSession()
        ->responseHeaderEquals('Content-Type', 'application/rss+xml; charset=utf-8');
    // Visit the page again to get the cached response.
    $this->drupalGet($url);
    $this->assertSession()
        ->responseHeaderEquals('Cache-Control', 'max-age=300, public');
    $this->assertSession()
        ->responseHeaderEquals('Content-Type', 'application/rss+xml; charset=utf-8');
}