function AssertPageCacheContextsAndTagsTrait::assertCacheTags

Ensures that some cache tags are present in the current response.

Parameters

string[] $expected_tags: The expected tags.

bool $include_default_tags: (optional) Whether the default cache tags should be included.

File

core/modules/system/src/Tests/Cache/AssertPageCacheContextsAndTagsTrait.php, line 129

Class

AssertPageCacheContextsAndTagsTrait

Provides test assertions for testing page-level cache contexts & tags.

Namespace

Code

protected function assertCacheTags(array $expected_tags, $include_default_tags = TRUE) {
    // The anonymous role cache tag is only added if the user is anonymous.
    if ($include_default_tags) {
        if (\Drupal::currentUser()->isAnonymous()) {
            $expected_tags = Cache::mergeTags($expected_tags, [
                'config:user.role.anonymous',
            ]);
        }
        $expected_tags[] = 'http_response';
    }
    $actual_tags = $this->getCacheHeaderValues('X-Drupal-Cache-Tags');
    $expected_tags = array_unique($expected_tags);
    sort($expected_tags);
    sort($actual_tags);
    $this->assertIdentical($actual_tags, $expected_tags);
    $this->debugCacheTags($actual_tags, $expected_tags);
}