<?php
/**
 * Description of User
 *
 * @author jon
 */
class Model_User
{
    protected static $users = array();

    public static function getUsers()
    {
        return self::$users;
    }

    public static function create($username , $password)
    {
        self::$users[$username] = $password;
    }

    public static function findByUsername($username)
    {
        if (array_key_exists($username, self::$users))
        {
            $user = new self();
            $user->username = $username;
            $user->password = self::$users[$username];
            return $user;
        }
        return false;
    }

    public $username;

    public $password;

    public function save()
    {
        self::$users[$this->username] = $this->password;
    }

    public function delete()
    {
        if (array_key_exists($this->username, self::$users))
        {
            unset(self::$users[$this->username]);
        }
    }

}


/**
 * Description of UserTest
 *
 * @author jon
 */
class Model_UserTest
    extends PHPUnit_Framework_TestCase
{
    private $username = 'jon';

    private $password = 'abc123';

    public function testUserModel()
    {
        $u = new Model_User();
        $this->assertType('Model_User',$u);
    }
    public function testCanCreateUsers()
    {
        Model_User::create($this->username, $this->password);
        $this->assertArrayHasKey($this->username, Model_User::getUsers());

        $u = new Model_User();
        $u->username = 'myuser';
        $u->password = 'mypass';
        $u->save();

        $foundUser = Model_User::findByUsername('myuser');
        $this->assertType('Model_User', $foundUser);

    }
    public function testCanFindByUsername()
    {
        Model_User::create($this->username, $this->password);
        $user = Model_User::findByUsername($this->username);
        $this->assertType('Model_User', $user);
        $this->assertEquals($user->password, $this->password);
        $user->delete();

        $user = Model_User::findByUsername($this->username);
        $this->assertFalse($user);
    }

    public function testCanDetectUserNotFound()
    {
        $user = Model_User::findByUsername($this->username);
        $this->assertFalse($user);
    }



}