function RendererPlaceholdersTest::generatePlaceholderElement

Generates an element with a placeholder.

Return value

array An array containing:

• A render array containing a placeholder.
• The context used for that #lazy_builder callback.

File

core/tests/Drupal/Tests/Core/Render/RendererPlaceholdersTest.php, line 537

Class

RendererPlaceholdersTest

@coversDefaultClass <a href="/api/drupal/core%21lib%21Drupal%21Core%21Render%21Renderer.php/class/Renderer/9" title="Turns a render array into an HTML string." class="local">\Drupal\Core\Render\Renderer</a> @covers <a href="/api/drupal/core%21lib%21Drupal%21Core%21Render%21RenderCache.php/class/RenderCache/9" title="Wraps the caching logic for the render caching system." class="local">\Drupal\Core\Render\RenderCache</a> @covers <a href="/api/drupal/core%21lib%21Drupal%21Core%21Render%21PlaceholderingRenderCache.php/class/PlaceholderingRenderCache/9" title="Adds automatic placeholdering to the RenderCache." class="local">\Drupal\Core\Render\PlaceholderingRenderCache</a> @group Render

Namespace

Code

protected function generatePlaceholderElement() {
    $args = [
        $this->randomContextValue(),
    ];
    $test_element = [];
    $test_element['#attached']['drupalSettings']['foo'] = 'bar';
    $test_element['placeholder']['#cache']['keys'] = [
        'placeholder',
        'output',
        'can',
        'be',
        'render',
        'cached',
        'too',
    ];
    $test_element['placeholder']['#cache']['contexts'] = [];
    $test_element['placeholder']['#create_placeholder'] = TRUE;
    $test_element['placeholder']['#lazy_builder'] = [
        'Drupal\\Tests\\Core\\Render\\PlaceholdersTest::callback',
        $args,
    ];
    return [
        $test_element,
        $args,
    ];
}