UrlTest.php

<?php

namespace Drupal\Tests\system\Functional\Common;

use Drupal\Core\Url;
use Drupal\Tests\BrowserTestBase;

/**
 * Confirm that the link generator works correctly.
 *
 * @group Common
 */
class UrlTest extends BrowserTestBase {
    protected static $modules = [
        'common_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests the active class in links.
     */
    public function testActiveLinkAttributes() {
        $options_no_query = [];
        $options_query = [
            'query' => [
                'foo' => 'bar',
                'one' => 'two',
            ],
        ];
        $options_query_reverse = [
            'query' => [
                'one' => 'two',
                'foo' => 'bar',
            ],
        ];
        // Test #type link.
        $path = 'common-test/type-link-active-class';
        $this->drupalGet($path, $options_no_query);
        // Test that a link generated by the link generator to the current page is
        // marked active.
        $this->assertSession()
            ->elementExists('xpath', $this->assertSession()
            ->buildXPathQuery('//a[@href = :href and contains(@class, "is-active")]', [
            ':href' => Url::fromRoute('common_test.l_active_class', [], $options_no_query)->toString(),
        ]));
        // Test that a link generated by the link generator to the current page
        // with a query string when the current page has no query string is not
        // marked active.
        $this->assertSession()
            ->elementExists('xpath', $this->assertSession()
            ->buildXPathQuery('//a[@href = :href and not(contains(@class, "is-active"))]', [
            ':href' => Url::fromRoute('common_test.l_active_class', [], $options_query)->toString(),
        ]));
        $this->drupalGet($path, $options_query);
        // Test that a link generated by the link generator to the current page with
        // a query string that matches the current query string is marked active.
        $this->assertSession()
            ->elementExists('xpath', $this->assertSession()
            ->buildXPathQuery('//a[@href = :href and contains(@class, "is-active")]', [
            ':href' => Url::fromRoute('common_test.l_active_class', [], $options_query)->toString(),
        ]));
        // Test that a link generated by the link generator to the current page with
        // a query string that has matching parameters to the current query string
        // but in a different order is marked active.
        $this->assertSession()
            ->elementExists('xpath', $this->assertSession()
            ->buildXPathQuery('//a[@href = :href and contains(@class, "is-active")]', [
            ':href' => Url::fromRoute('common_test.l_active_class', [], $options_query_reverse)->toString(),
        ]));
        // Test that a link generated by the link generator to the current page
        // without a query string when the current page has a query string is not
        // marked active.
        $this->assertSession()
            ->elementExists('xpath', $this->assertSession()
            ->buildXPathQuery('//a[@href = :href and not(contains(@class, "is-active"))]', [
            ':href' => Url::fromRoute('common_test.l_active_class', [], $options_no_query)->toString(),
        ]));
    }

}