Rendered!

'; $complex_child_template = [ '#cache' => [ 'tags' => [ 'test:complex_child', ], ], '#lazy_builder' => [ 'Drupal\Tests\Core\Render\PlaceholdersTest::callback', [$this->getRandomGenerator()->string()], ], '#create_placeholder' => TRUE, ]; return [$parent_markup, $complex_child_template]; } /** * Tests that renderRoot() may not be called recursively. * * @legacy-covers ::renderRoot * @legacy-covers ::render * @legacy-covers ::doRender */ public function testRenderRecursionWithNestedRenderRoot(): void { [$parent_markup, $complex_child_template] = $this->setUpRenderRecursionComplexElements(); $renderer = $this->renderer; $this->setUpRequest(); $complex_child = $complex_child_template; $callable = function () use ($renderer, $complex_child): void { $this->expectException(\LogicException::class); $renderer->renderRoot($complex_child); }; $page = [ 'content' => [ '#pre_render' => [ $callable, ], '#suffix' => $parent_markup, ], ]; $renderer->renderRoot($page); } /** * Tests that render() may be called from anywhere. * * Including from inside of another ::renderRoot() call. Bubbling must be * performed. * * @legacy-covers ::renderRoot * @legacy-covers ::render * @legacy-covers ::doRender */ public function testRenderRecursionWithNestedRender(): void { [$parent_markup, $complex_child_template] = $this->setUpRenderRecursionComplexElements(); $renderer = $this->renderer; $this->setUpRequest(); $callable = function ($markup) { $this->assertStringStartsWith(' [ 'complex_child' => $complex_child_template, '#post_render' => [ $callable, ], '#suffix' => $parent_markup, ], ]; $output = $renderer->renderRoot($page); $this->assertEquals('

This is a rendered placeholder!

Rendered!

', $output, 'Rendered output as expected, with the placeholder replaced.'); $this->assertContains('test:complex_child', $page['#cache']['tags'], 'Cache tag bubbling performed.'); $this->assertContains('dynamic_animal', array_keys($page['#attached']['drupalSettings']), 'Asset bubbling performed.'); } /** * Tests that renderRoot() can be called from anywhere including recursively. * * @legacy-covers ::renderRoot * @legacy-covers ::renderInIsolation */ public function testRenderRecursionWithNestedRenderInIsolation(): void { [$parent_markup, $complex_child_template] = $this->setUpRenderRecursionComplexElements(); $renderer = $this->renderer; $this->setUpRequest(); $complex_child = $complex_child_template; $callable = function ($elements) use ($renderer, $complex_child) { $elements['#markup'] = $renderer->renderInIsolation($complex_child); $this->assertEquals('

This is a rendered placeholder!

', $elements['#markup'], 'Rendered complex child output as expected, with the placeholder replaced.'); return $elements; }; $page = [ 'content' => [ '#pre_render' => [ $callable, ], '#suffix' => $parent_markup, ], ]; $output = $renderer->renderRoot($page); $this->assertEquals('

This is a rendered placeholder!

' . $parent_markup, $output, 'Rendered output as expected, with the placeholder replaced.'); $this->assertNotContains('test:complex_child', $page['#cache']['tags'], 'Cache tag bubbling not performed.'); $this->assertEmpty($page['#attached'], 'Asset bubbling not performed.'); } }