RendererLegacyTest.php

<?php

namespace Drupal\KernelTests\Core\Render;

use Drupal\Core\Form\FormHelper;
use Drupal\Core\Render\HtmlResponseAttachmentsProcessor;
use Drupal\KernelTests\KernelTestBase;

/**
 * Deprecation tests cases for the render layer.
 *
 * @group legacy
 */
class RendererLegacyTest extends KernelTestBase {
    
    /**
     * Tests deprecation of the drupal_http_header_attributes() function.
     *
     * @dataProvider providerAttributes
     *
     * @expectedDeprecation drupal_http_header_attributes() is deprecated in Drupal 8.7.0 and will be removed before Drupal 9.0.0. Use \Drupal\Core\Render\HtmlResponseAttachmentsProcessor::formatHttpHeaderAttributes() instead. See https://www.drupal.org/node/3000051
     */
    public function testHeaderAttributes($expected, $attributes) {
        $this->assertSame($expected, drupal_http_header_attributes($attributes));
        $this->assertSame($expected, HtmlResponseAttachmentsProcessor::formatHttpHeaderAttributes($attributes));
    }
    
    /**
     * Provides a list of attributes to test.
     */
    public function providerAttributes() {
        return [
            [
                ' foo=""',
                [
                    'foo' => '',
                ],
            ],
            [
                ' foo=""',
                [
                    'foo' => [],
                ],
            ],
            [
                ' foo="bar"',
                [
                    'foo' => 'bar',
                ],
            ],
            [
                ' foo="bar"',
                [
                    'foo' => [
                        'bar',
                    ],
                ],
            ],
            [
                ' foo="bar baz"',
                [
                    'foo' => [
                        'bar',
                        'baz',
                    ],
                ],
            ],
        ];
    }
    
    /**
     * Tests deprecation of the drupal_process_states() function.
     *
     * @dataProvider providerElements
     *
     * @expectedDeprecation drupal_process_states() is deprecated in drupal:8.8.0 and is removed from drupal:9.0.0. Use \Drupal\Core\Form\FormHelper::processStates() instead. See https://www.drupal.org/node/3000069
     */
    public function testDrupalProcessStates($elements) {
        // Clone elements because processing changes array.
        $expected = $elements;
        drupal_process_states($expected);
        FormHelper::processStates($elements);
        $this->assertEquals($expected, $elements);
    }
    
    /**
     * Provides a list of elements to test.
     */
    public function providerElements() {
        return [
            [
                [
                    '#type' => 'date',
                    '#states' => [
                        'visible' => [
                            ':input[name="toggle_me"]' => [
                                'checked' => TRUE,
                            ],
                        ],
                    ],
                ],
            ],
            [
                [
                    '#type' => 'item',
                    '#states' => [
                        'visible' => [
                            ':input[name="foo"]' => [
                                'value' => 'bar',
                            ],
                        ],
                    ],
                ],
            ],
        ];
    }

}