function RendererPlaceholdersTest::testCacheableParentWithPostRequest

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

@dataProvider providerPlaceholders

File

core/tests/Drupal/Tests/Core/Render/RendererPlaceholdersTest.php, line 731

Class

RendererPlaceholdersTest

@coversDefaultClass \Drupal\Core\Render\Renderer @covers \Drupal\Core\Render\RenderCache @covers \Drupal\Core\Render\PlaceholderingRenderCache @group Render

Namespace

Code

public function testCacheableParentWithPostRequest(array $test_element, array $args) : void {
    $this->setUpMemoryCache();
    // Verify behavior when handling a non-GET request, e.g. a POST request:
    // also in that case, placeholders must be replaced.
    $this->setUpRequest('POST');
    // POST request: #cache enabled, cache miss.
    $element = $test_element;
    $element['#cache'] = [
        'keys' => [
            'placeholder_test_POST',
        ],
    ];
    $element['#prefix'] = '<p>#cache enabled, POST</p>';
    $output = $this->renderer
        ->renderRoot($element);
    $this->assertSame('<p>#cache enabled, POST</p><p>This is a rendered placeholder!</p>', (string) $output, 'Output is overridden.');
    $this->assertTrue(isset($element['#printed']), 'No cache hit');
    $this->assertSame('<p>#cache enabled, POST</p><p>This is a rendered placeholder!</p>', (string) $element['#markup'], '#markup is overridden.');
    $expected_js_settings = [
        'foo' => 'bar',
        'dynamic_animal' => $args[0],
    ];
    $this->assertSame($element['#attached']['drupalSettings'], $expected_js_settings, '#attached is modified; both the original JavaScript setting and the one added by the placeholder #lazy_builder callback exist.');
    // Even when the child element's placeholder is cacheable, it should not
    // generate a render cache item.
    $this->assertPlaceholderRenderCache(FALSE, []);
}