diff --git a/.travis.yml b/.travis.yml
index f61d3d6..3df535e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,6 +15,7 @@ matrix:
     - php: hhvm-nightly
 
 before_script:
+  - composer self-update
   - composer update --prefer-source --dev
 
 script:
diff --git a/tests/PServerCMSTest/Validator/StriposExistsTest.php b/tests/PServerCMSTest/Validator/StriposExistsTest.php
new file mode 100644
index 0000000..63105fb
--- /dev/null
+++ b/tests/PServerCMSTest/Validator/StriposExistsTest.php
@@ -0,0 +1,74 @@
+<?php
+
+
+namespace PServerCMSTest\Validator;
+
+
+use PServerCMSTest\Util\TestBase;
+
+class StriposExistsTest extends TestBase
+{
+    /** @var string */
+    protected $className = '\PServerCMS\Validator\StriposExists';
+
+    public function testIsValid()
+    {
+        $config = [
+            'pserver' => [
+                'blacklisted' => [
+                    'email' => [
+                        'foo.bar'
+                    ],
+                ],
+            ],
+        ];
+        $this->serviceManager->setService('Config', $config);
+
+        $class = $this->getClass();
+
+        $class->__construct($this->serviceManager, $class::TYPE_EMAIL);
+
+        $this->assertTrue($class->isValid('foo@bar.sucks'));
+        $this->assertEmpty($class->getMessages());
+    }
+
+    public function testIsValidFalse()
+    {
+        $config = [
+            'pserver' => [
+                'blacklisted' => [
+                    'email' => [
+                        'foo.bar'
+                    ],
+                ],
+            ],
+        ];
+        $this->serviceManager->setService('Config', $config);
+
+        $class = $this->getClass();
+
+        $class->__construct($this->serviceManager, $class::TYPE_EMAIL);
+
+        $this->assertFalse($class->isValid('bar.sucks@foo.bar'));
+        $this->assertNotEmpty($class->getMessages());
+    }
+
+
+    /**
+     * @return \PServerCMS\Validator\StriposExists|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected function getClass()
+    {
+        if (!$this->class) {
+            /** @var \Zend\ServiceManager\ServiceManagerAwareInterface $class */
+            $class = $this->getMockBuilder($this->className)
+                ->disableOriginalConstructor()
+                ->setMethods($this->getMockedMethodList())
+                ->getMock();
+
+            $this->class = $class;
+        }
+
+        return $this->class;
+    }
+}
diff --git a/tests/PServerCMSTest/Validator/UserNameBackendNotExistsTest.php b/tests/PServerCMSTest/Validator/UserNameBackendNotExistsTest.php
new file mode 100644
index 0000000..18683e3
--- /dev/null
+++ b/tests/PServerCMSTest/Validator/UserNameBackendNotExistsTest.php
@@ -0,0 +1,70 @@
+<?php
+
+
+namespace PServerCMSTest\Validator;
+
+
+use PServerCMSTest\Util\TestBase;
+
+class UserNameBackendNotExistsTest extends TestBase
+{
+    /** @var string */
+    protected $className = '\PServerCMS\Validator\UserNameBackendNotExists';
+
+    public function testIsValid()
+    {
+        $gameMock = $this->getMockBuilder('\GameBackend\DataService\Mocking')
+            ->disableOriginalConstructor()
+            ->setMethods(['isUserNameExists'])
+            ->getMock();
+
+        $gameMock->expects($this->any())
+            ->method('isUserNameExists')
+            ->willReturn(false);
+
+        $this->serviceManager->setService('gamebackend_dataservice', $gameMock);
+        $class = $this->getClass();
+
+        $result = $class->isValid('foobar');
+        $this->assertTrue($result);
+        $this->assertEmpty($class->getMessages());
+    }
+
+    public function testIsValidFalse()
+    {
+        $gameMock = $this->getMockBuilder('\GameBackend\DataService\Mocking')
+            ->disableOriginalConstructor()
+            ->setMethods(['isUserNameExists'])
+            ->getMock();
+
+        $gameMock->expects($this->any())
+            ->method('isUserNameExists')
+            ->willReturn(true);
+
+        $this->serviceManager->setService('gamebackend_dataservice', $gameMock);
+        $class = $this->getClass();
+
+        $result = $class->isValid('foobar');
+
+        $this->assertFalse($result);
+        $this->assertNotEmpty($class->getMessages());
+    }
+
+    /**
+     * @return \PServerCMS\Validator\UserNameBackendNotExists|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected function getClass()
+    {
+        if (!$this->class) {
+            /** @var \Zend\ServiceManager\ServiceManagerAwareInterface $class */
+            $class = $this->getMockBuilder($this->className)
+                ->setConstructorArgs([$this->serviceManager])
+                ->setMethods($this->getMockedMethodList())
+                ->getMock();
+
+            $this->class = $class;
+        }
+
+        return $this->class;
+    }
+}