Same name and namespace in other branches

1. 9 core/modules/block/tests/src/Kernel/BlockViewBuilderTest.php \Drupal\Tests\block\Kernel\BlockViewBuilderTest::verifyRenderCacheHandling()
2. 8.9.x core/modules/block/tests/src/Kernel/BlockViewBuilderTest.php \Drupal\Tests\block\Kernel\BlockViewBuilderTest::verifyRenderCacheHandling()
3. 11.x core/modules/block/tests/src/Kernel/BlockViewBuilderTest.php \Drupal\Tests\block\Kernel\BlockViewBuilderTest::verifyRenderCacheHandling()

Verifies render cache handling of the block being tested.

See also

::testBlockViewBuilderCache()

1 call to BlockViewBuilderTest::verifyRenderCacheHandling()

BlockViewBuilderTest::testBlockViewBuilderCache in core/modules/block/tests/src/Kernel/BlockViewBuilderTest.php

Tests block render cache handling.

File

core/modules/block/tests/src/Kernel/BlockViewBuilderTest.php, line 150

Class

BlockViewBuilderTest

Tests the block view builder.

Namespace

Drupal\Tests\block\Kernel

Code

protected function verifyRenderCacheHandling() {
  /** @var \Drupal\Core\Cache\VariationCacheFactoryInterface $variation_cache_factory */
  $variation_cache_factory = $this->container
    ->get('variation_cache_factory');
  $cache_bin = $variation_cache_factory->get('render');
  // Force a request via GET so we can test the render cache.
  $request = \Drupal::request();
  $request_method = $request->server
    ->get('REQUEST_METHOD');
  $request->setMethod('GET');
  // Test that a cache entry is created.
  $build = $this->getBlockRenderArray();
  $cache_keys = [
    'entity_view',
    'block',
    'test_block',
  ];
  $this->renderer
    ->renderRoot($build);
  $this->assertNotEmpty($cache_bin->get($cache_keys, CacheableMetadata::createFromRenderArray($build)), 'The block render element has been cached.');
  // Re-save the block and check that the cache entry has been deleted.
  $this->block
    ->save();
  $this->assertFalse($cache_bin->get($cache_keys, CacheableMetadata::createFromRenderArray($build)), 'The block render cache entry has been cleared when the block was saved.');
  // Rebuild the render array (creating a new cache entry in the process) and
  // delete the block to check the cache entry is deleted.
  unset($build['#printed']);
  // Re-add the block because \Drupal\block\BlockViewBuilder::buildBlock()
  // removes it.
  $build['#block'] = $this->block;
  $this->renderer
    ->renderRoot($build);
  $this->assertNotEmpty($cache_bin->get($cache_keys, CacheableMetadata::createFromRenderArray($build)), 'The block render element has been cached.');
  $this->block
    ->delete();
  $this->assertFalse($cache_bin->get($cache_keys, CacheableMetadata::createFromRenderArray($build)), 'The block render cache entry has been cleared when the block was deleted.');
  // Restore the previous request method.
  $request->setMethod($request_method);
}

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