function AssertPageCacheContextsAndTagsTrait::assertPageCacheContextsAndTags

Asserts page cache miss, then hit for the given URL; checks cache headers.

Parameters

\Drupal\Core\Url $url: The URL to test.

string[] $expected_contexts: The expected cache contexts for the given URL.

string[] $expected_tags: The expected cache tags for the given URL.

File

core/modules/system/tests/src/Functional/Cache/AssertPageCacheContextsAndTagsTrait.php, line 72

Class

AssertPageCacheContextsAndTagsTrait

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

Namespace

Code

protected function assertPageCacheContextsAndTags(Url $url, array $expected_contexts, array $expected_tags) {
    $absolute_url = $url->setAbsolute()
        ->toString();
    sort($expected_contexts);
    sort($expected_tags);
    // Assert cache miss + expected cache contexts + tags.
    $this->drupalGet($absolute_url);
    $this->assertSession()
        ->responseHeaderEquals('X-Drupal-Cache', 'MISS');
    $this->assertCacheTags($expected_tags);
    $this->assertCacheContexts($expected_contexts);
    // Assert cache hit + expected cache contexts + tags.
    $this->drupalGet($absolute_url);
    $this->assertCacheTags($expected_tags);
    $this->assertCacheContexts($expected_contexts);
    // Assert page cache item + expected cache tags.
    $cid_parts = [
        $url->setAbsolute()
            ->toString(),
        '',
    ];
    $cid = implode(':', $cid_parts);
    $cache_entry = \Drupal::cache('page')->get($cid);
    sort($cache_entry->tags);
    $this->assertEquals($expected_tags, $cache_entry->tags);
}