function FormBuilderTest::testGetCache

Tests the getCache() method.

File

core/tests/Drupal/Tests/Core/Form/FormBuilderTest.php, line 434

Class

FormBuilderTest

@coversDefaultClass \Drupal\Core\Form\FormBuilder @group Form

Namespace

Code

public function testGetCache() : void {
    $form_id = 'test_form_id';
    $expected_form = $form_id();
    $expected_form['#token'] = FALSE;
    // FormBuilder::buildForm() will be called twice, but the form object will
    // only be called once due to caching.
    $form_arg = $this->createMock('Drupal\\Core\\Form\\FormInterface');
    $form_arg->expects($this->exactly(2))
        ->method('getFormId')
        ->willReturn($form_id);
    $form_arg->expects($this->once())
        ->method('buildForm')
        ->willReturn($expected_form);
    // Do an initial build of the form and track the build ID.
    $form_state = (new FormState())->addBuildInfo('files', [
        [
            'module' => 'node',
            'type' => 'pages.inc',
        ],
    ])
        ->setRequestMethod('POST')
        ->setCached();
    $form = $this->formBuilder
        ->buildForm($form_arg, $form_state);
    $cached_form = $form;
    $cached_form['#cache_token'] = 'csrf_token';
    // The form cache, form_state cache, and CSRF token validation will only be
    // called on the cached form.
    $this->formCache
        ->expects($this->once())
        ->method('getCache')
        ->willReturn($form);
    // The final form build will not trigger any actual form building, but will
    // use the form cache.
    $form_state->setExecuted();
    $input['form_id'] = $form_id;
    $input['form_build_id'] = $form['#build_id'];
    $form_state->setUserInput($input);
    $this->formBuilder
        ->buildForm($form_arg, $form_state);
    $this->assertEmpty($form_state->getErrors());
}