function LazyBuilderPlaceholderTest::testNestedLazyBuilderPlaceholders

Tests Fiber::suspend() during twig rendering via placeholders.

File

core/tests/Drupal/KernelTests/Core/Render/LazyBuilderPlaceholderTest.php, line 33

Class

LazyBuilderPlaceholderTest

Tests Fiber suspension within Twig templates during placeholder rendering.

Namespace

Code

public function testNestedLazyBuilderPlaceholders() : void {
  $render_array = $this->buildRenderArray();
  $output_string = (string) \Drupal::service('renderer')->renderRoot($render_array);
  $items = [
    '<div>Lazy builder content with param1</div>',
    'First Fibers test: param2',
    'Second Fibers test: param2',
    '<div>Lazy builder content with param3</div>',
    'First Fibers test: param4',
    'Second Fibers test: param4',
  ];
  $this->assertStringOrder($items, $output_string);
}