diff --git a/tests/functional/GdprCest.php b/tests/functional/GdprCest.php
new file mode 100644
index 0000000..8074071
--- /dev/null
+++ b/tests/functional/GdprCest.php
@@ -0,0 +1,125 @@
+<?php
+
+
+use Da\User\Model\Token;
+use Da\User\Model\User;
+use Da\User\Module;
+use tests\_fixtures\UserFixture;
+use yii\helpers\Html;
+
+class GdprCest
+{
+    public function _prepareModule($emailConfirmation = true, $generatePasswords = false, $enableGdpr = true)
+    {
+        /* @var $module Module */
+        $module = Yii::$app->getModule('user');
+        $module->enableEmailConfirmation = $emailConfirmation;
+        $module->generatePasswords = $generatePasswords;
+        $module->enableGDPRcompliance = $enableGdpr;
+    }
+
+    public function _before(FunctionalTester $I)
+    {
+        $I->haveFixtures(['user' => UserFixture::className()]);
+    }
+
+    public function _after(FunctionalTester $I)
+    {
+        \Yii::$container->set(Module::className(), [
+            'enableEmailConfirmation' => true,
+            'generatePasswords' => false,
+        ]);
+    }
+
+    /**
+     * Tests registration with email, username and password without any confirmation.
+     *
+     * @param FunctionalTester $I
+     */
+    public function testGdprRegistration(FunctionalTester $I)
+    {
+
+        $this->_prepareModule(false,false);
+
+        $I->amOnRoute('/user/registration/register');
+
+        $I->amGoingTo('try to register with empty credentials');
+        $this->register($I, '', '', '',false);
+        $I->see('Username cannot be blank');
+        $I->see('Email cannot be blank');
+        $I->see('Password cannot be blank');
+        $I->see('Your consent is required to register');
+
+        $I->amGoingTo('try to register with already used email and username');
+        $user = $I->grabFixture('user', 'user');
+
+        $this->register($I, $user->email, $user->username, 'qwerty');
+        $I->see(Html::encode('This username has already been taken'));
+        $I->see(Html::encode('This email address has already been taken'));
+        $this->register($I, 'tester@example.com', 'tester', 'tester');
+        $I->see('Your account has been created');
+        $user = $I->grabRecord(User::className(), ['email' => 'tester@example.com']);
+        $I->assertTrue($user->isConfirmed);
+
+        $I->amOnRoute('/user/security/login');
+        $I->fillField('#loginform-login', 'tester');
+        $I->fillField('#loginform-password', 'tester');
+        $I->click('Sign in');
+        $I->see('Logout');
+    }
+
+    protected function register(FunctionalTester $I, $email, $username = null, $password = null, $gdpr_consent = true)
+    {
+        $I->fillField('#registrationform-email', $email);
+        $I->fillField('#registrationform-username', $username);
+        if ($password !== null) {
+            $I->fillField('#registrationform-password', $password);
+        }
+        if ($gdpr_consent)
+            $I->checkOption('#registrationform-gdpr_consent');
+
+        $I->click('Sign up');
+
+    }
+
+    /**
+     * Tests registration when confirmation message is sent.
+     *
+     * @param FunctionalTester $I
+     */
+    public function testRegistrationWithConfirmation(FunctionalTester $I)
+    {
+        $this->_prepareModule(true);
+
+        $I->amOnRoute('/user/registration/register');
+        $this->register($I, 'tester@example.com', 'tester', 'tester');
+        $I->see('Your account has been created and a message with further instructions has been sent to your email');
+        $user = $I->grabRecord(User::className(), ['email' => 'tester@example.com']);
+        $token = $I->grabRecord(Token::className(), ['user_id' => $user->id, 'type' => Token::TYPE_CONFIRMATION]);
+        /** @var yii\swiftmailer\Message $message */
+        $message = $I->grabLastSentEmail();
+        $I->assertArrayHasKey($user->email, $message->getTo());
+        $I->assertContains(Html::encode($token->getUrl()), utf8_encode(quoted_printable_decode($message->getSwiftMessage()->toString())));
+        $I->assertFalse($user->isConfirmed);
+    }
+
+    /**
+     * Tests registration when password is generated automatically and sent to user.
+     *
+     * @param FunctionalTester $I
+     */
+    public function testRegistrationWithoutPassword(FunctionalTester $I)
+    {
+        $this->_prepareModule(false,true);
+
+        $I->amOnRoute('/user/registration/register');
+        $this->register($I, 'tester@example.com', 'tester');
+        $I->see('Your account has been created');
+        $user = $I->grabRecord(User::className(), ['email' => 'tester@example.com']);
+        $I->assertEquals('tester', $user->username);
+        /** @var yii\swiftmailer\Message $message */
+        $message = $I->grabLastSentEmail();
+        $I->assertArrayHasKey($user->email, $message->getTo());
+        $I->assertContains('We have generated a password for you', utf8_encode(quoted_printable_decode($message->getSwiftMessage()->toString())));
+    }
+}