Longman\TelegramBot\Tests\Unit\UserTest::testTryMention PHP Method

    public function testTryMention()
    {
        // Username
        $user = new User(['id' => 1, 'first_name' => 'John', 'last_name' => 'Taylor', 'username' => 'jtaylor']);
        self::assertEquals('@jtaylor', $user->tryMention());
        // First name.
        $user = new User(['id' => 1, 'first_name' => 'John']);
        self::assertEquals('John', $user->tryMention());
        // First and Last name.
        $user = new User(['id' => 1, 'first_name' => 'John', 'last_name' => 'Taylor']);
        self::assertEquals('John Taylor', $user->tryMention());
    }