function RendererPlaceholdersTest::testPlaceholderingDisabledForPostRequests

@covers ::render
@covers ::doRender
@covers \Drupal\Core\Render\RenderCache::get
@covers \Drupal\Core\Render\PlaceholderingRenderCache::get
@covers \Drupal\Core\Render\PlaceholderingRenderCache::set
@covers ::replacePlaceholders

@dataProvider providerPlaceholders

File

core/tests/Drupal/Tests/Core/Render/RendererPlaceholdersTest.php, line 767

Class

RendererPlaceholdersTest

@coversDefaultClass \Drupal\Core\Render\Renderer[[api-linebreak]] @covers \Drupal\Core\Render\RenderCache[[api-linebreak]] @covers \Drupal\Core\Render\PlaceholderingRenderCache[[api-linebreak]] @group Render

Namespace

Code

public function testPlaceholderingDisabledForPostRequests(array $test_element, array $args, array $expected_placeholder_render_array, array|false $placeholder_cache_keys) : void {
  if ($placeholder_cache_keys && !empty($test_element['placeholder']['#cache']['keys'])) {
    $this->setUpMemoryCache();
  }
  else {
    $this->setUpUnusedCache();
  }
  $this->setUpRequest('POST');
  $element = $test_element;
  // Render without replacing placeholders, to allow this test to see which
  // #attached[placeholders] there are, if any.
  $this->renderer
    ->executeInRenderContext(new RenderContext(), function () use (&$element) {
    return $this->renderer
      ->render($element);
  });
  // Only test cases where the placeholders have been specified manually are
  // allowed to have placeholders. This means that of the different situations
  // listed in providerPlaceholders(), only type B can have attached
  // placeholders. Everything else, whether:
  // 1. manual placeholdering
  // 2. automatic placeholdering via already-present cacheability metadata
  // 3. automatic placeholdering via bubbled cacheability metadata
  // All three of those should NOT result in placeholders.
  if (!isset($test_element['#attached']['placeholders'])) {
    $this->assertFalse(isset($element['#attached']['placeholders']), 'No placeholders created.');
  }
}