function ElementTest::testWrapperIds

Tests wrapper ids for checkboxes and radios.

File

core/modules/system/tests/src/Functional/Form/ElementTest.php, line 140

Class

ElementTest

Tests building and processing of core form elements.

Namespace

Code

public function testWrapperIds() {
    $this->drupalGet('form-test/checkboxes-radios');
    // Verify that wrapper id is different from element id.
    foreach ([
        'checkboxes',
        'radios',
    ] as $type) {
        $element_ids = $this->xpath('//div[@id=:id]', [
            ':id' => 'edit-' . $type,
        ]);
        $wrapper_ids = $this->xpath('//fieldset[@id=:id]', [
            ':id' => 'edit-' . $type . '--wrapper',
        ]);
        $this->assertCount(1, $element_ids, new FormattableMarkup('A single element id found for type %type', [
            '%type' => $type,
        ]));
        $this->assertCount(1, $wrapper_ids, new FormattableMarkup('A single wrapper id found for type %type', [
            '%type' => $type,
        ]));
    }
}