class EmailTest

class EmailTest extends BrowserTestBase {
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'form_test',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * Tests that #type 'email' fields are properly validated.
   */
  public function testFormEmail() {
    $edit = [];
    $edit['email'] = 'invalid';
    $edit['email_required'] = ' ';
    $this->drupalGet('form-test/email');
    $this->submitForm($edit, 'Submit');
    $this->assertSession()
      ->pageTextContains("The email address invalid is not valid.");
    $this->assertSession()
      ->pageTextContains("Address field is required.");
    $edit = [];
    $edit['email_required'] = '  foo.bar@example.com ';
    $this->drupalGet('form-test/email');
    $this->submitForm($edit, 'Submit');
    $values = Json::decode($this->getSession()
      ->getPage()
      ->getContent());
    $this->assertSame('', $values['email']);
    $this->assertEquals('foo.bar@example.com', $values['email_required']);
    $edit = [];
    $edit['email'] = 'foo@example.com';
    $edit['email_required'] = 'example@drupal.org';
    $this->drupalGet('form-test/email');
    $this->submitForm($edit, 'Submit');
    $values = Json::decode($this->getSession()
      ->getPage()
      ->getContent());
    $this->assertEquals('foo@example.com', $values['email']);
    $this->assertEquals('example@drupal.org', $values['email_required']);
  }

}