/**
* Test the ability to recognize valid Twitter usernames
*
* @since 1.0.0
*
* @covers ::isValid
* @small
*
* @return void
*/
public function testValidity()
{
$this->assertFalse(\Twitter\Helpers\Validators\ScreenName::isValid(''), 'empty string is never valid');
$this->assertTrue(\Twitter\Helpers\Validators\ScreenName::isValid('twitter'), 'failed to mark Twitter username as valid');
$this->assertTrue(\Twitter\Helpers\Validators\ScreenName::isValid('abc_123'), 'alpha numeric with underscore should be valid');
$this->assertFalse(\Twitter\Helpers\Validators\ScreenName::isValid('twitter$ir'), 'symbols are not allowed');
$this->assertFalse(\Twitter\Helpers\Validators\ScreenName::isValid('Supercalifragilisticexpialidocious'), 'Twitter usernames should be limited to 20 characters');
}
/**
* Construct a new follow intent for the given Twitter screen name
*
* @since 1.0.0
*
* @param string $screen_name Twitter screen name
* @param bool $validate validate screen name matches Twitter username allowed characters and length before saving
*/
public function __construct($screen_name, $validate = true)
{
$screen_name = \Twitter\Helpers\Validators\ScreenName::trim($screen_name);
if ($screen_name) {
if (false === $validate || \Twitter\Helpers\Validators\ScreenName::isValid($screen_name)) {
$this->screen_name = $screen_name;
}
}
}
/**
* Add a related Twitter account
*
* @since 1.0.0
*
* @param string $username Twitter username
* @param string $label brief description of how the account relates to the Tweet content
*
* @return __CLASS__ support chaining
*/
public function addRelated($username, $label = '')
{
$username = \Twitter\Helpers\Validators\ScreenName::trim($username);
if ($username) {
// normalize passed parameter
$comparison_username = strtolower($username);
if (!isset($this->related[$comparison_username])) {
if ($this->validate_inputs) {
if (\Twitter\Helpers\Validators\ScreenName::isValid($username)) {
$this->related[$comparison_username] = trim($label);
}
} else {
$this->related[$comparison_username] = trim($label);
}
}
}
return $this;
}
