function CacheTagTest::testTagCaching

Tests the tag cache plugin.

File

core/modules/views/tests/src/Functional/Plugin/CacheTagTest.php, line 122

Class

CacheTagTest

Tests tag cache plugin.

Namespace

Code

public function testTagCaching() {
    
    /** @var \Drupal\Core\Render\RendererInterface $renderer */
    $renderer = \Drupal::service('renderer');
    $view = Views::getView('test_tag_cache');
    $build = $view->buildRenderable();
    $renderer->renderPlain($build);
    // Saving the view should invalidate the tags.
    $cache_plugin = $view->display_handler
        ->getPlugin('cache');
    $this->assertTrue($cache_plugin->cacheGet('results'), 'Results cache found.');
    $this->assertNotEmpty($this->getRenderCache($view), 'Output cache found.');
    $view->storage
        ->save();
    $this->assertFalse($cache_plugin->cacheGet('results'), 'Results cache empty after the view is saved.');
    $this->assertFalse($this->getRenderCache($view), 'Output cache empty after the view is saved.');
    $view->destroy();
    $build = $view->buildRenderable();
    $renderer->renderPlain($build);
    // Test invalidating the nodes in this view invalidates the cache.
    $cache_plugin = $view->display_handler
        ->getPlugin('cache');
    $this->assertTrue($cache_plugin->cacheGet('results'), 'Results cache found.');
    $this->assertNotEmpty($this->getRenderCache($view), 'Output cache found.');
    $this->nodeViewBuilder
        ->resetCache($this->pages);
    $this->assertFalse($cache_plugin->cacheGet('results'), 'Results cache empty after resetCache is called with pages.');
    $this->assertFalse($this->getRenderCache($view), 'Output cache empty after resetCache is called with pages.');
    $view->destroy();
    $build = $view->buildRenderable();
    $renderer->renderPlain($build);
    // Test saving a node in this view invalidates the cache.
    $cache_plugin = $view->display_handler
        ->getPlugin('cache');
    $this->assertTrue($cache_plugin->cacheGet('results'), 'Results cache found.');
    $this->assertNotEmpty($this->getRenderCache($view), 'Output cache found.');
    $node = reset($this->pages);
    $node->save();
    $this->assertFalse($cache_plugin->cacheGet('results'), 'Results cache empty after a page node is saved.');
    $this->assertFalse($this->getRenderCache($view), 'Output cache empty after a page node is saved.');
    $view->destroy();
    $build = $view->buildRenderable();
    $renderer->renderPlain($build);
    // Test saving a node not in this view invalidates the cache too.
    $cache_plugin = $view->display_handler
        ->getPlugin('cache');
    $this->assertTrue($cache_plugin->cacheGet('results'), 'Results cache found.');
    $this->assertNotEmpty($this->getRenderCache($view), 'Output cache found.');
    $this->article
        ->save();
    $this->assertFalse($cache_plugin->cacheGet('results'), 'Results cache empty after an article node is saved.');
    $this->assertFalse($this->getRenderCache($view), 'Output cache empty after an article node is saved.');
    $view->destroy();
    $build = $view->buildRenderable();
    $renderer->renderPlain($build);
    // Test that invalidating a tag for a user, does not invalidate the cache,
    // as the user entity type will not be contained in the views cache tags.
    $cache_plugin = $view->display_handler
        ->getPlugin('cache');
    $this->assertTrue($cache_plugin->cacheGet('results'), 'Results cache found.');
    $this->assertNotEmpty($this->getRenderCache($view), 'Output cache found.');
    $this->userViewBuilder
        ->resetCache([
        $this->user,
    ]);
    $cache_plugin = $view->display_handler
        ->getPlugin('cache');
    $this->assertTrue($cache_plugin->cacheGet('results'), 'Results cache found after a user is invalidated.');
    $this->assertNotEmpty($this->getRenderCache($view), 'Output cache found after a user is invalidated.');
    $view->destroy();
    // Invalidate the views cache tags in order to invalidate the render
    // caching.
    \Drupal::service('cache_tags.invalidator')->invalidateTags($view->storage
        ->getCacheTagsToInvalidate());
    $build = $view->buildRenderable();
    $renderer->renderPlain($build);
    // Test the cacheFlush method invalidates the cache.
    $cache_plugin = $view->display_handler
        ->getPlugin('cache');
    $this->assertTrue($cache_plugin->cacheGet('results'), 'Results cache found.');
    $this->assertNotEmpty($this->getRenderCache($view), 'Output cache found.');
    $cache_plugin->cacheFlush();
    $cache_plugin = $view->display_handler
        ->getPlugin('cache');
    $this->assertFalse($cache_plugin->cacheGet('results'), 'Results cache empty after the cacheFlush() method is called.');
    $this->assertFalse($this->getRenderCache($view), 'Output cache empty after the cacheFlush() method is called.');
}