diff --git a/application/Config/Aauth.php b/application/Config/Aauth.php
index f4a7c08..ad48c5c 100644
--- a/application/Config/Aauth.php
+++ b/application/Config/Aauth.php
@@ -68,14 +68,14 @@ class Aauth extends BaseConfig
 	|	User Verification, if TRUE sends a verification email on account creation
 	|	(default: false)
 	|
-	| 'userAdditionalChars'
+	| 'userRegexPattern'
 	|
 	|	Additional valid chars for username. Non alphanumeric characters that are
 	|	allowed by default
-	|	(default: [])
+	|	(default: '[a-zA-Z0-9]{3,}')
 	*/
-	public $userVerification    = false;
-	public $userAdditionalChars = [];
+	public $userVerification = false;
+	public $userRegexPattern = '[a-zA-Z0-9]{3,}';
 
 	/*
 	|--------------------------------------------------------------------------
diff --git a/application/Models/Aauth/UserModel.php b/application/Models/Aauth/UserModel.php
index ecc980e..694407f 100644
--- a/application/Models/Aauth/UserModel.php
+++ b/application/Models/Aauth/UserModel.php
@@ -95,7 +95,7 @@ class UserModel extends Model
 
 		$this->validationRules['email']    = 'required|if_exist|valid_email|is_unique[' . $this->table . '.email,id,{id}]';
 		$this->validationRules['password'] = 'required|if_exist|min_length[' . $this->config->passwordMin . ']|max_length[' . $this->config->passwordMax . ']';
-		$this->validationRules['username'] = 'if_exist|is_unique[' . $this->table . '.username,id,{id}]|alpha_numeric_space|min_length[3]';
+		$this->validationRules['username'] = 'if_exist|is_unique[' . $this->table . '.username,id,{id}]|regex_match[/' . $this->config->userRegexPattern . '/]';
 
 		$this->validationMessages = [
 			'email'    => [
@@ -108,13 +108,13 @@ class UserModel extends Model
 			],
 			'username' => [
 				'is_unique'  => lang('Aauth.existsAlreadyUsername'),
-				'min_length' => lang('Aauth.invalidUsername'),
+				'regex_match' => lang('Aauth.invalidUsername'),
 			],
 		];
 
 		if ($this->config->loginUseUsername)
 		{
-			$this->validationRules['username'] = 'is_unique[' . $this->table . '.username,id,{id}]|required|alpha_numeric_space|min_length[3]';
+			$this->validationRules['username'] = 'required|if_exist|is_unique[' . $this->table . '.username,id,{id}]|regex_match[/' . $this->config->userRegexPattern . '/]';
 
 			$this->validationMessages['username']['required'] = lang('Aauth.requiredUsername');
 		}
diff --git a/tests/Aauth/Database/UserVariableModelTest.php b/tests/Aauth/Database/UserVariableModelTest.php
index 9430d90..a5d56dd 100644
--- a/tests/Aauth/Database/UserVariableModelTest.php
+++ b/tests/Aauth/Database/UserVariableModelTest.php
@@ -128,7 +128,7 @@ class UserVariableModelTest extends CIDatabaseTestCase
 	public function testDBCall()
 	{
 		$this->model->save(99, 'test', 'TRUE');
-		$this->assertEquals(99, $this->model->insertID());
+		$this->assertEquals(1, $this->model->insertID());
 	}
 
 }
diff --git a/tests/Aauth/Libraries/Aauth/UserTest.php b/tests/Aauth/Libraries/Aauth/UserTest.php
index c9b6263..d26bb7c 100644
--- a/tests/Aauth/Libraries/Aauth/UserTest.php
+++ b/tests/Aauth/Libraries/Aauth/UserTest.php
@@ -21,7 +21,7 @@ class UserTest extends CIDatabaseTestCase
 	protected $namespace = 'App';
 
     public function setUp()
-    {
+	{
         parent::setUp();
 
 	    $this->library = new Aauth(null, true);
@@ -30,12 +30,12 @@ class UserTest extends CIDatabaseTestCase
     }
 
     public function tearDown()
-    {
+	{
 
     }
 
     protected function getInstance($options=[])
-    {
+	{
         $defaults = [
 			'sessionDriver' => 'CodeIgniter\Session\Handlers\FileHandler',
 			'sessionCookieName' => 'ci_session',
@@ -61,29 +61,81 @@ class UserTest extends CIDatabaseTestCase
 
 	//--------------------------------------------------------------------
 
-	public function testUpdateUser()
+	public function testUpdateUserTrue()
 	{
-	    $userPre = $this->library->getUser(2);
+		$this->seeInDatabase($this->config->dbTableUserVariables, [
+		    'user_id' => 2,
+		    'email' => 'user@example.com',
+		    'username' => 'user',
+		]);
     	$this->library->updateUser(2, 'user1@example.com', 'password987654', 'user1');
-    	$user = $this->library->getUser(2);
-    	$this->assertNotEquals($userPre['email'], $user['email']);
-    	$this->assertNotEquals($userPre['username'], $user['username']);
-    	$this->library->updateUser(2, null, null, 'user1');
-    	$userAfter = $this->library->getUser(2);
-    	$this->assertEquals($user['username'], $userAfter['username']);
-    	$this->assertFalse($this->library->updateUser(2, 'asasdfasd'));
+		$this->seeInDatabase($this->config->dbTableUserVariables, [
+		    'user_id' => 2,
+		    'email' => 'user1@example.com',
+		    'username' => 'user1',
+		]);
+	    $this->assertEquals(lang('Aauth.infoUpdateSuccess'), $this->library->getInfosArray()[0]);
+    }
+
+    public function testUpdateUserFalseEmailExists()
+    {
+    	$this->assertFalse($this->library->updateUser(2, 'admin@example.com', null, null));
+	    $this->assertEquals(lang('Aauth.existsAlreadyEmail'), $this->library->getErrorsArray()[0]);
+	}
+
+    public function testUpdateUserFalseEmailInvalid()
+    {
+    	$this->assertFalse($this->library->updateUser(2, 'adminexample.com', null, null));
+	    $this->assertEquals(lang('Aauth.invalidEmail'), $this->library->getErrorsArray()[0]);
+	}
+
+    public function testUpdateUserFalsePasswordMin()
+    {
+    	$this->assertFalse($this->library->updateUser(2, null, 'pass', null));
+	    $this->assertEquals(lang('Aauth.invalidPassword'), $this->library->getErrorsArray()[0]);
+	}
+
+    public function testUpdateUserFalsePasswordMax()
+    {
+    	$this->assertFalse($this->library->updateUser(2, null, 'password12345678901011121314151617', null));
+	    $this->assertEquals(lang('Aauth.invalidPassword'), $this->library->getErrorsArray()[0]);
+	}
+
+    public function testUpdateUserFalseUsernameExists()
+    {
+    	$this->assertFalse($this->library->updateUser(2, null, null, 'admin'));
+	    $this->assertEquals(lang('Aauth.existsAlreadyUsername'), $this->library->getErrorsArray()[0]);
+	}
+
+    public function testUpdateUserFalseUsernameInvalid()
+    {
+    	$this->assertFalse($this->library->updateUser(2, null, null, 'user+'));
+	    $this->assertEquals(lang('Aauth.invalidUsername'), $this->library->getErrorsArray()[0]);
+	}
+
+	public function testUpdateUserFalseEmpty()
+	{
     	$this->assertFalse($this->library->updateUser(2));
+	    $this->assertCount(0, $this->library->getErrorsArray());
+	}
+
+	public function testUpdateUserFalseUserNotFound()
+	{
     	$this->assertFalse($this->library->updateUser(99));
+	    $this->assertEquals(lang('Aauth.notFoundUser'), $this->library->getErrorsArray()[0]);
 	}
 
 	public function testDeleteUser()
 	{
-	    $users = $this->library->listUsers();
-		$this->assertCount(2, $users);
+		$this->seeNumRecords(2, $this->config->dbTableUsers);
 		$this->library->deleteUser(2);
-	    $users = $this->library->listUsers();
-		$this->assertCount(1, $users);
+		$this->seeNumRecords(1, $this->config->dbTableUsers);
+	}
+
+	public function testDeleteUserFalseUserNotFound()
+	{
 		$this->assertFalse($this->library->deleteUser(99));
+	    $this->assertEquals(lang('Aauth.notFoundUser'), $this->library->getErrorsArray()[0]);
 	}
 
 	public function testListUsers()
@@ -92,22 +144,25 @@ class UserTest extends CIDatabaseTestCase
 		$this->assertCount(2, $users);
 		$this->assertEquals('admin', $users[0]['username']);
 		$this->assertEquals('user', $users[1]['username']);
+	}
+
+	public function testListUsersOrderBy()
+	{
 	    $usersOrderBy = $this->library->listUsers(0, 0, null, 'id DESC');
 		$this->assertEquals('user', $usersOrderBy[0]['username']);
 		$this->assertEquals('admin', $usersOrderBy[1]['username']);
 	}
 
-	public function testGetUser()
+	public function testGetUserByUserId()
 	{
 	    $user = $this->library->getUser(1);
 		$this->assertEquals('1', $user['id']);
 		$this->assertEquals('admin', $user['username']);
 		$this->assertEquals('admin@example.com', $user['email']);
-		$this->assertFalse($this->library->getUser(99));
-
-	    $userVar = $this->library->getUser(1, true);
-		$this->assertInternalType('array', $userVar['variables']);
+	}
 
+	public function testGetUserBySession()
+	{
         $session = $this->getInstance();
 	    $this->library = new Aauth(NULL, $session);
 		$session->set('user', [
@@ -117,11 +172,26 @@ class UserTest extends CIDatabaseTestCase
 		$this->assertEquals('admin', $userIdNone['username']);
 	}
 
-	public function testGetUserId()
+	public function testGetUserWithVariables()
+	{
+	    $userVar = $this->library->getUser(1, true);
+		$this->assertInternalType('array', $userVar['variables']);
+	}
+
+	public function testGetUserFalseUserNotFound()
+	{
+		$this->assertFalse($this->library->getUser(99));
+	    $this->assertEquals(lang('Aauth.notFoundUser'), $this->library->getErrorsArray()[0]);
+	}
+
+	public function testGetUserIdByEmail()
 	{
 	    $userIdEmail = $this->library->getUserId('admin@example.com');
 		$this->assertEquals('1', $userIdEmail);
+	}
 
+	public function testGetUserIdBySession()
+	{
         $session = $this->getInstance();
 	    $this->library = new Aauth(NULL, $session);
 		$session->set('user', [
@@ -129,30 +199,52 @@ class UserTest extends CIDatabaseTestCase
 		]);
 	    $userIdNone = $this->library->getUserId();
 		$this->assertEquals('1', $userIdNone);
+	}
+
+	public function testGetUserIdFalseUserNotFound()
+	{
 		$this->assertFalse($this->library->getUserId('none@example.com'));
+	    $this->assertEquals(lang('Aauth.notFoundUser'), $this->library->getErrorsArray()[0]);
 	}
 
 	public function testBanUser()
 	{
-		$this->assertFalse($this->library->isBanned(1));
+		$this->seeInDatabase($this->config->dbTableUsers, [
+		    'id' => 1,
+		    'banned' => 0,
+		]);
 	    $this->library->banUser(1);
-		$this->assertTrue($this->library->isBanned(1));
+		$this->seeInDatabase($this->config->dbTableUsers, [
+		    'id' => 1,
+		    'banned' => 1,
+		]);
+	}
+	public function testBanUserFalseUserNotFound()
+	{
 		$this->assertFalse($this->library->banUser(99));
-		$this->assertCount(1, $this->library->getErrorsArray());
+	    $this->assertEquals(lang('Aauth.notFoundUser'), $this->library->getErrorsArray()[0]);
 	}
 
 	public function testUnbanUser()
 	{
 	    $this->library->banUser(1);
-		$this->assertTrue($this->library->isBanned(1));
+		$this->seeInDatabase($this->config->dbTableUsers, [
+		    'id' => 1,
+		    'banned' => 1,
+		]);
 	    $this->library->unbanUser(1);
-		$this->assertFalse($this->library->isBanned(1));
+		$this->seeInDatabase($this->config->dbTableUsers, [
+		    'id' => 1,
+		    'banned' => 0,
+		]);
+	}
+	public function testUnbanUserFalseUserNotFound()
+	{
 		$this->assertFalse($this->library->unbanUser(99));
-		$this->assertCount(1, $this->library->getErrorsArray());
+	    $this->assertEquals(lang('Aauth.notFoundUser'), $this->library->getErrorsArray()[0]);
 	}
 
-
-	public function testUnbanUserSession()
+	public function testBanUnbanUserSession()
 	{
         $session = $this->getInstance();
 	    $this->library = new Aauth(NULL, $session);
@@ -160,14 +252,31 @@ class UserTest extends CIDatabaseTestCase
 			'id'       => 1,
 		]);
 	    $this->library->banUser();
-		$this->assertTrue($this->library->isBanned());
+		$this->seeInDatabase($this->config->dbTableUsers, [
+		    'id' => 1,
+		    'banned' => 1,
+		]);
 	    $this->library->unbanUser();
-		$this->assertFalse($this->library->isBanned());
+		$this->seeInDatabase($this->config->dbTableUsers, [
+		    'id' => 1,
+		    'banned' => 0,
+		]);
+	}
+
+	public function testIsBannedTrue()
+	{
+	    $this->library->banUser(1);
+		$this->assertTrue($this->library->isBanned(1));
+	}
+
+	public function testIsBannedFalse()
+	{
+		$this->assertFalse($this->library->isBanned(1));
 	}
 
-	public function testIsBanned()
+	public function testIsBannedFalseUserNotFound()
 	{
 		$this->assertFalse($this->library->isBanned(99));
-		$this->assertCount(1, $this->library->getErrorsArray());
+	    $this->assertEquals(lang('Aauth.notFoundUser'), $this->library->getErrorsArray()[0]);
 	}
 }