PathTaxonomyTermTest.php

<?php

namespace Drupal\Tests\path\Functional;

use Drupal\Core\Database\Database;
use Drupal\taxonomy\Entity\Vocabulary;

/**
 * Tests URL aliases for taxonomy terms.
 *
 * @group path
 */
class PathTaxonomyTermTest extends PathTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'taxonomy',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    protected function setUp() {
        parent::setUp();
        // Create a Tags vocabulary for the Article node type.
        $vocabulary = Vocabulary::create([
            'name' => t('Tags'),
            'vid' => 'tags',
        ]);
        $vocabulary->save();
        // Create and log in user.
        $web_user = $this->drupalCreateUser([
            'administer url aliases',
            'administer taxonomy',
            'access administration pages',
        ]);
        $this->drupalLogin($web_user);
    }
    
    /**
     * Tests alias functionality through the admin interfaces.
     */
    public function testTermAlias() {
        // Create a term in the default 'Tags' vocabulary with URL alias.
        $vocabulary = Vocabulary::load('tags');
        $description = $this->randomMachineName();
        $edit = [
            'name[0][value]' => $this->randomMachineName(),
            'description[0][value]' => $description,
            'path[0][alias]' => '/' . $this->randomMachineName(),
        ];
        $this->drupalPostForm('admin/structure/taxonomy/manage/' . $vocabulary->id() . '/add', $edit, t('Save'));
        $tid = Database::getConnection()->query("SELECT tid FROM {taxonomy_term_field_data} WHERE name = :name AND default_langcode = 1", [
            ':name' => $edit['name[0][value]'],
        ])
            ->fetchField();
        // Confirm that the alias works.
        $this->drupalGet($edit['path[0][alias]']);
        $this->assertText($description, 'Term can be accessed on URL alias.');
        // Confirm the 'canonical' and 'shortlink' URLs.
        $elements = $this->xpath("//link[contains(@rel, 'canonical') and contains(@href, '" . $edit['path[0][alias]'] . "')]");
        $this->assertTrue(!empty($elements), 'Term page contains canonical link URL.');
        $elements = $this->xpath("//link[contains(@rel, 'shortlink') and contains(@href, 'taxonomy/term/" . $tid . "')]");
        $this->assertTrue(!empty($elements), 'Term page contains shortlink URL.');
        // Change the term's URL alias.
        $edit2 = [];
        $edit2['path[0][alias]'] = '/' . $this->randomMachineName();
        $this->drupalPostForm('taxonomy/term/' . $tid . '/edit', $edit2, t('Save'));
        // Confirm that the changed alias works.
        $this->drupalGet(trim($edit2['path[0][alias]'], '/'));
        $this->assertText($description, 'Term can be accessed on changed URL alias.');
        // Confirm that the old alias no longer works.
        $this->drupalGet(trim($edit['path[0][alias]'], '/'));
        $this->assertNoText($description, 'Old URL alias has been removed after altering.');
        $this->assertSession()
            ->statusCodeEquals(404);
        // Remove the term's URL alias.
        $edit3 = [];
        $edit3['path[0][alias]'] = '';
        $this->drupalPostForm('taxonomy/term/' . $tid . '/edit', $edit3, t('Save'));
        // Confirm that the alias no longer works.
        $this->drupalGet(trim($edit2['path[0][alias]'], '/'));
        $this->assertNoText($description, 'Old URL alias has been removed after altering.');
        $this->assertSession()
            ->statusCodeEquals(404);
    }

}