function UrlTest::testDrupalGetQueryParameters

Tests UrlHelper::filterQueryParameters().

File

core/modules/system/tests/src/Functional/Common/UrlTest.php, line 222

Class

UrlTest

Confirm that <a href="/api/drupal/core%21lib%21Drupal%21Core%21Url.php/class/Url/8.9.x" title="Defines an object that holds information about a URL." class="local">\Drupal\Core\Url</a>, <a href="/api/drupal/core%21lib%21Drupal%21Component%21Utility%21UrlHelper.php/function/UrlHelper%3A%3AfilterQueryParameters/8.9.x" title="Filters a URL query parameter array to remove unwanted elements." class="local">\Drupal\Component\Utility\UrlHelper::filterQueryParameters</a>(), <a href="/api/drupal/core%21lib%21Drupal%21Component%21Utility%21UrlHelper.php/function/UrlHelper%3A%3AbuildQuery/8.9.x" title="Parses an array into a valid, rawurlencoded query string." class="local">\Drupal\Component\Utility\UrlHelper::buildQuery</a>(), and <a href="/api/drupal/core%21lib%21Drupal%21Core%21Utility%21LinkGeneratorInterface.php/function/LinkGeneratorInterface%3A%3Agenerate/8.9.x" title="Renders a link to a URL." class="local">\Drupal\Core\Utility\LinkGeneratorInterface::generate</a>() work correctly with various input.

Namespace

Code

public function testDrupalGetQueryParameters() {
    $original = [
        'a' => 1,
        'b' => [
            'd' => 4,
            'e' => [
                'f' => 5,
            ],
        ],
        'c' => 3,
    ];
    // First-level exclusion.
    $result = $original;
    unset($result['b']);
    $this->assertEqual(UrlHelper::filterQueryParameters($original, [
        'b',
    ]), $result, "'b' was removed.");
    // Second-level exclusion.
    $result = $original;
    unset($result['b']['d']);
    $this->assertEqual(UrlHelper::filterQueryParameters($original, [
        'b[d]',
    ]), $result, "'b[d]' was removed.");
    // Third-level exclusion.
    $result = $original;
    unset($result['b']['e']['f']);
    $this->assertEqual(UrlHelper::filterQueryParameters($original, [
        'b[e][f]',
    ]), $result, "'b[e][f]' was removed.");
    // Multiple exclusions.
    $result = $original;
    unset($result['a'], $result['b']['e'], $result['c']);
    $this->assertEqual(UrlHelper::filterQueryParameters($original, [
        'a',
        'b[e]',
        'c',
    ]), $result, "'a', 'b[e]', 'c' were removed.");
}