function AlterTest::testExecutionOrder

Tests execution order of hook_form_alter() and hook_form_FORM_ID_alter().

File

core/modules/system/tests/src/Functional/Form/AlterTest.php, line 30

Class

AlterTest

Tests hook_form_alter() and hook_form_FORM_ID_alter().

Namespace

Code

public function testExecutionOrder() : void {
    $this->drupalGet('form-test/alter');
    // Ensure that the order is first by module, then for a given module, the
    // id-specific one after the generic one.
    $expected = [
        'block_form_form_test_alter_form_alter() executed.',
        'form_test_form_alter() executed.',
        'form_test_form_form_test_alter_form_alter() executed.',
        'system_form_form_test_alter_form_alter() executed.',
    ];
    $content = preg_replace('/\\s+/', ' ', Xss::filter($this->getSession()
        ->getPage()
        ->getContent(), []));
    $this->assertStringContainsString(implode(' ', $expected), $content, 'Form alter hooks executed in the expected order.');
}