function FormTest::testSelect

Tests validation of #type 'select' elements.

File

core/modules/system/tests/src/Functional/Form/FormTest.php, line 407

Class

FormTest

Tests various form element validation mechanisms.

Namespace

Code

public function testSelect() : void {
    $form = \Drupal::formBuilder()->getForm('Drupal\\form_test\\Form\\FormTestSelectForm');
    $this->drupalGet('form-test/select');
    // Verify that the options are escaped as expected.
    $this->assertSession()
        ->assertEscaped('<strong>four</strong>');
    $this->assertSession()
        ->responseNotContains('<strong>four</strong>');
    // Posting without any values should throw validation errors.
    $this->submitForm([], 'Submit');
    $no_errors = [
        'select',
        'select_required',
        'select_optional',
        'empty_value',
        'empty_value_one',
        'no_default_optional',
        'no_default_empty_option_optional',
        'no_default_empty_value_optional',
        'multiple',
        'multiple_no_default',
    ];
    foreach ($no_errors as $key) {
        $this->assertSession()
            ->pageTextNotContains($form[$key]['#title'] . ' field is required.');
    }
    $expected_errors = [
        'no_default',
        'no_default_empty_option',
        'no_default_empty_value',
        'no_default_empty_value_one',
        'multiple_no_default_required',
    ];
    foreach ($expected_errors as $key) {
        $this->assertSession()
            ->pageTextContains($form[$key]['#title'] . ' field is required.');
    }
    // Post values for required fields.
    $edit = [
        'no_default' => 'three',
        'no_default_empty_option' => 'three',
        'no_default_empty_value' => 'three',
        'no_default_empty_value_one' => 'three',
        'multiple_no_default_required[]' => 'three',
    ];
    $this->submitForm($edit, 'Submit');
    $values = Json::decode($this->getSession()
        ->getPage()
        ->getContent());
    // Verify expected values.
    $expected = [
        'select' => 'one',
        'empty_value' => 'one',
        'empty_value_one' => 'one',
        'no_default' => 'three',
        'no_default_optional' => 'one',
        'no_default_optional_empty_value' => '',
        'no_default_empty_option' => 'three',
        'no_default_empty_option_optional' => '',
        'no_default_empty_value' => 'three',
        'no_default_empty_value_one' => 'three',
        'no_default_empty_value_optional' => 0,
        'multiple' => [
            'two' => 'two',
        ],
        'multiple_no_default' => [],
        'multiple_no_default_required' => [
            'three' => 'three',
        ],
    ];
    foreach ($expected as $key => $value) {
        $this->assertSame($value, $values[$key], sprintf('%s: %s is equal to %s.', $key, var_export($values[$key], TRUE), var_export($value, TRUE)));
    }
}