function RenderElementTypesTest::assertElements

Asserts that an array of elements is rendered properly.

Parameters

array $elements: The render element array to test.

string $expected_html: The expected markup.

string $message: Assertion message.

File

core/tests/Drupal/KernelTests/Core/Render/Element/RenderElementTypesTest.php, line 39

Class

RenderElementTypesTest

Tests the markup of core render element types passed to <a href="/api/drupal/core%21includes%21common.inc/function/drupal_render/8.9.x" title="Renders HTML given a structured array tree." class="local">drupal_render</a>().

Namespace

Code

protected function assertElements(array $elements, $expected_html, $message) {
    $actual_html = (string) \Drupal::service('renderer')->renderRoot($elements);
    $out = '<table><tr>';
    $out .= '<td valign="top"><pre>' . Html::escape($expected_html) . '</pre></td>';
    $out .= '<td valign="top"><pre>' . Html::escape($actual_html) . '</pre></td>';
    $out .= '</tr></table>';
    $this->verbose($out);
    $this->assertIdentical($actual_html, $expected_html, Html::escape($message));
}