ContextualUnitTest.php

<?php

namespace Drupal\Tests\contextual\Kernel;

use Drupal\KernelTests\KernelTestBase;

/**
 * Tests all edge cases of converting from #contextual_links to ids and vice
 * versa.
 *
 * @group contextual
 */
class ContextualUnitTest extends KernelTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'contextual',
    ];
    
    /**
     * Provides testcases for testContextualLinksToId() and
     */
    public function _contextual_links_id_testcases() {
        // Test branch conditions:
        // - one group.
        // - one dynamic path argument.
        // - no metadata.
        $tests[] = [
            'links' => [
                'node' => [
                    'route_parameters' => [
                        'node' => '14031991',
                    ],
                    'metadata' => [
                        'langcode' => 'en',
                    ],
                ],
            ],
            'id' => 'node:node=14031991:langcode=en',
        ];
        // Test branch conditions:
        // - one group.
        // - multiple dynamic path arguments.
        // - no metadata.
        $tests[] = [
            'links' => [
                'foo' => [
                    'route_parameters' => [
                        'bar',
                        'key' => 'baz',
                        'qux',
                    ],
                    'metadata' => [
                        'langcode' => 'en',
                    ],
                ],
            ],
            'id' => 'foo:0=bar&key=baz&1=qux:langcode=en',
        ];
        // Test branch conditions:
        // - one group.
        // - one dynamic path argument.
        // - metadata.
        $tests[] = [
            'links' => [
                'views_ui_edit' => [
                    'route_parameters' => [
                        'view' => 'frontpage',
                    ],
                    'metadata' => [
                        'location' => 'page',
                        'display' => 'page_1',
                        'langcode' => 'en',
                    ],
                ],
            ],
            'id' => 'views_ui_edit:view=frontpage:location=page&display=page_1&langcode=en',
        ];
        // Test branch conditions:
        // - multiple groups.
        // - multiple dynamic path arguments.
        $tests[] = [
            'links' => [
                'node' => [
                    'route_parameters' => [
                        'node' => '14031991',
                    ],
                    'metadata' => [
                        'langcode' => 'en',
                    ],
                ],
                'foo' => [
                    'route_parameters' => [
                        'bar',
                        'key' => 'baz',
                        'qux',
                    ],
                    'metadata' => [
                        'langcode' => 'en',
                    ],
                ],
                'edge' => [
                    'route_parameters' => [
                        '20011988',
                    ],
                    'metadata' => [
                        'langcode' => 'en',
                    ],
                ],
            ],
            'id' => 'node:node=14031991:langcode=en|foo:0=bar&key=baz&1=qux:langcode=en|edge:0=20011988:langcode=en',
        ];
        return $tests;
    }
    
    /**
     * Tests _contextual_links_to_id().
     */
    public function testContextualLinksToId() {
        $tests = $this->_contextual_links_id_testcases();
        foreach ($tests as $test) {
            $this->assertIdentical(_contextual_links_to_id($test['links']), $test['id']);
        }
    }
    
    /**
     * Tests _contextual_id_to_links().
     */
    public function testContextualIdToLinks() {
        $tests = $this->_contextual_links_id_testcases();
        foreach ($tests as $test) {
            $this->assertIdentical(_contextual_id_to_links($test['id']), $test['links']);
        }
    }

}