<?php

namespace common\tests\unit\models;

use Yii;
use frontend\tests\unit\TestCase;
use common\models\User;
use yii\helpers\Security;

class LoginFormTest extends TestCase
{

    use \Codeception\Specify;

    protected function tearDown()
    {
        Yii::$app->user->logout();
        parent::tearDown();
    }

    public function testLoginNoUser()
    {
        $model = $this->mockUser(null);

        $model->username = 'some_username';
        $model->password = 'some_password';

        $this->specify('user should not be able to login, when there is no identity', function () use ($model) {
            expect('model should not login user', $model->login())->false();
            expect('user should not be logged in', Yii::$app->user->isGuest)->true();
        });
    }

    public function testLoginWrongPassword()
    {
        $model = $this->mockUser(new User(['password_hash' => Security::generatePasswordHash('will-not-match')]));

        $model->username = 'demo';
        $model->password = 'wrong-password';

        $this->specify('user should not be able to login with wrong password', function () use ($model) {
            expect('model should not login user', $model->login())->false();
            expect('error message should be set', $model->errors)->hasKey('password');
            expect('user should not be logged in', Yii::$app->user->isGuest)->true();
        });
    }

    public function testLoginCorrect()
    {
        $model = $this->mockUser(new User(['password_hash' => Security::generatePasswordHash('demo')]));

        $model->username = 'demo';
        $model->password = 'demo';

        $this->specify('user should be able to login with correct credentials', function () use ($model) {
            expect('model should login user', $model->login())->true();
            expect('error message should not be set', $model->errors)->hasntKey('password');
            expect('user should be logged in', Yii::$app->user->isGuest)->false();
        });
    }

    private function mockUser($user)
    {
        $loginForm = $this->getMock('common\models\LoginForm', ['getUser']);
        $loginForm->expects($this->any())->method('getUser')->will($this->returnValue($user));

        return $loginForm;
    }
}
