public function testRegister()
 {
     $this->model = new RegistrationForm();
     $this->model->setAttributes(['email' => '*****@*****.**', 'username' => 'foobar', 'password' => 'foobar']);
     /** @var User $user */
     verify($this->model->register())->true();
     $user = User::findOne(['email' => '*****@*****.**']);
     verify('$user is instance of User', $user instanceof User)->true();
     verify('email is valid', $user->email)->equals($this->model->email);
     verify('username is valid', $user->username)->equals($this->model->username);
     verify('password is valid', Password::validate($this->model->password, $user->password_hash))->true();
     $token = Token::findOne(['user_id' => $user->id, 'type' => Token::TYPE_CONFIRMATION]);
     verify($token)->notNull();
     $mock = $this->getMock(RegistrationForm::className(), ['validate']);
     $mock->expects($this->once())->method('validate')->will($this->returnValue(false));
     verify($mock->register())->false();
 }
<?php

use mata\user\models\Token;
use mata\user\models\User;
use tests\codeception\_pages\RegistrationPage;
use yii\helpers\Html;
$I = new FunctionalTester($scenario);
$I->wantTo('ensure that registration works');
$page = RegistrationPage::openBy($I);
$I->amGoingTo('try to register with empty credentials');
$page->register('', '', '');
$I->see('Username cannot be blank');
$I->see('Email cannot be blank');
$I->see('Password cannot be blank');
$I->amGoingTo('try to register with already used email and username');
$user = $I->getFixture('user')->getModel('user');
$page->register($user->username, $user->email, 'qwerty');
$I->see(Html::encode('This username has already been taken'));
$I->see(Html::encode('This email address has already been taken'));
$I->amGoingTo('try to register');
$page->register('tester', '*****@*****.**', 'tester');
$I->see('A message has been sent to your email address. It contains a confirmation link that you must click to complete registration.');
$user = $I->grabRecord(User::className(), ['email' => '*****@*****.**']);
$token = $I->grabRecord(Token::className(), ['user_id' => $user->id, 'type' => Token::TYPE_CONFIRMATION]);
$I->seeInEmail(Html::encode($token->url));
$I->wantTo('ensure that password recovery works');
$page = RecoveryPage::openBy($I);
$I->amGoingTo('try to request recovery token for unconfirmed account');
$user = $I->getFixture('user')->getModel('unconfirmed');
$page->recover($user->email);
$I->see('You need to confirm your email address');
$I->amGoingTo('try to request recovery token');
$user = $I->getFixture('user')->getModel('user');
$page->recover($user->email);
$I->see('An email has been sent with instructions for resetting your password');
$user = $I->grabRecord(User::className(), ['email' => $user->email]);
$token = $I->grabRecord(Token::className(), ['user_id' => $user->id, 'type' => Token::TYPE_RECOVERY]);
$I->seeInEmail(Html::encode($token->getUrl()));
$I->seeInEmailRecipients($user->email);
$I->amGoingTo('reset password with invalid token');
$user = $I->getFixture('user')->getModel('user_with_expired_recovery_token');
$token = $I->grabRecord(Token::className(), ['user_id' => $user->id, 'type' => Token::TYPE_RECOVERY]);
$I->amOnPage(Url::toRoute(['/user/recovery/reset', 'id' => $user->id, 'code' => $token->code]));
$I->see('Recovery link is invalid or expired. Please try requesting a new one.');
$I->amGoingTo('reset password');
$user = $I->getFixture('user')->getModel('user_with_recovery_token');
$token = $I->grabRecord(Token::className(), ['user_id' => $user->id, 'type' => Token::TYPE_RECOVERY]);
$I->amOnPage(Url::toRoute(['/user/recovery/reset', 'id' => $user->id, 'code' => $token->code]));
$I->fillField('#recovery-form-password', 'newpass');
$I->click('Finish');
$I->see('Your password has been changed successfully.');
$page = LoginPage::openBy($I);
$page->login($user->email, 'qwerty');
$I->see('Invalid login or password');
$page->login($user->email, 'newpass');
$I->dontSee('Invalid login or password');