public function ResultCacheTest::testTags in GraphQL 8.3

Same name and namespace in other branches

1. 8.4 tests/src/Kernel/Framework/ResultCacheTest.php \Drupal\Tests\graphql\Kernel\Framework\ResultCacheTest::testTags()

Test if results cache properly acts on cache tag clears.

File

tests/src/Kernel/Framework/ResultCacheTest.php, line 183

Class

ResultCacheTest

Test query result caching.

Namespace

Drupal\Tests\graphql\Kernel\Framework

Code

public function testTags() {
  $this
    ->mockField('root', [
    'id' => 'root',
    'name' => 'root',
    'type' => 'String',
    'response_cache_tags' => [
      'a',
      'b',
    ],
  ], NULL, function ($field) {
    $field
      ->expects(static::exactly(2))
      ->method('resolveValues')
      ->willReturnCallback(function () {
      (yield 'test');
    });
  });

  // First call that will be cached.
  $this
    ->query('{ root }');

  // Invalidate a tag that is part of the result metadata.
  $this->container
    ->get('cache_tags.invalidator')
    ->invalidateTags([
    'a',
  ]);

  // Another call will invoke the processor a second time.
  $this
    ->query('{ root }');

  // Invalidate a tag that is NOT part of the result metadata.
  $this->container
    ->get('cache_tags.invalidator')
    ->invalidateTags([
    'c',
  ]);

  // Result will be served from cache.
  $this
    ->query('{ root }');
}