function EntityCacheTagsTestBase::verifyRenderCache

Verify that a given render cache entry exists, with the correct cache tags.

Parameters

string $cid: The render cache item ID.

array $tags: An array of expected cache tags.

string|null $redirected_cid: (optional) The redirected render cache item ID.

File

core/modules/system/src/Tests/Entity/EntityCacheTagsTestBase.php, line 686

Class

EntityCacheTagsTestBase

Provides helper methods for Entity cache tags tests.

Namespace

Code

protected function verifyRenderCache($cid, array $tags, $redirected_cid = NULL) {
    // Also verify the existence of an entity render cache entry.
    $cache_entry = \Drupal::cache('render')->get($cid);
    $this->assertTrue($cache_entry, 'A render cache entry exists.');
    sort($cache_entry->tags);
    sort($tags);
    $this->assertIdentical($cache_entry->tags, $tags);
    $is_redirecting_cache_item = isset($cache_entry->data['#cache_redirect']);
    if ($redirected_cid === NULL) {
        $this->assertFalse($is_redirecting_cache_item, 'Render cache entry is not a redirect.');
        // If this is a redirecting cache item unlike we expected, log it.
        if ($is_redirecting_cache_item) {
            debug($cache_entry->data);
        }
    }
    else {
        // Verify that $cid contains a cache redirect.
        $this->assertTrue($is_redirecting_cache_item, 'Render cache entry is a redirect.');
        // If this is not a redirecting cache item unlike we expected, log it.
        if (!$is_redirecting_cache_item) {
            debug($cache_entry->data);
        }
        // Verify that the cache redirect points to the expected CID.
        $redirect_cache_metadata = $cache_entry->data['#cache'];
        $actual_redirection_cid = $this->createCacheId($redirect_cache_metadata['keys'], $redirect_cache_metadata['contexts']);
        $this->assertIdentical($redirected_cid, $actual_redirection_cid);
        // Finally, verify that the redirected CID exists and has the same cache
        // tags.
        $this->verifyRenderCache($redirected_cid, $tags);
    }
}