function StateValuesCleanTest::testFormStateValuesClean

Tests \Drupal\Core\Form\FormState::cleanValues().

File

core/modules/system/tests/src/Functional/Form/StateValuesCleanTest.php, line 32

Class

StateValuesCleanTest

Tests the proper removal of submitted form values.

Namespace

Code

public function testFormStateValuesClean() : void {
    $this->drupalGet('form_test/form-state-values-clean');
    $this->submitForm([], 'Submit');
    $values = Json::decode($this->getSession()
        ->getPage()
        ->getContent());
    // Setup the expected result.
    $result = [
        'beer' => 1000,
        'baz' => [
            'beer' => 2000,
        ],
    ];
    // Verify that all internal Form API elements were removed.
    $this->assertFalse(isset($values['form_id']), 'form_id was removed.');
    $this->assertFalse(isset($values['form_token']), 'form_token was removed.');
    $this->assertFalse(isset($values['form_build_id']), 'form_build_id was removed.');
    $this->assertFalse(isset($values['op']), 'op was removed.');
    // Verify that all buttons were removed.
    $this->assertFalse(isset($values['foo']), 'foo was removed.');
    $this->assertFalse(isset($values['bar']), 'bar was removed.');
    $this->assertFalse(isset($values['baz']['foo']), 'foo was removed.');
    $this->assertFalse(isset($values['baz']['baz']), 'baz was removed.');
    // Verify values manually added for cleaning were removed.
    $this->assertFalse(isset($values['wine']), 'wine was removed.');
    // Verify that nested form value still exists.
    $this->assertTrue(isset($values['baz']['beer']), 'Nested form value still exists.');
    // Verify that actual form values equal resulting form values.
    $this->assertEquals($result, $values, 'Expected form values equal actual form values.');
}