diff --git a/app/Libraries/Aauth.php b/app/Libraries/Aauth.php
index 42c09b2..62119b3 100644
--- a/app/Libraries/Aauth.php
+++ b/app/Libraries/Aauth.php
@@ -753,7 +753,9 @@ class Aauth
 	 */
 	public function deleteUser(int $userId)
 	{
-		$userModel = new UserModel();
+		$userModel        = new UserModel();
+		$groupToUserModel = new GroupToUserModel();
+		$permToUserModel  = new PermToUserModel();
 
 		if (! $userModel->existsById($userId))
 		{
@@ -762,7 +764,24 @@ class Aauth
 			return false;
 		}
 
-		return $userModel->delete($userId);
+		$userModel->transStart();
+		$groupToUserModel->deleteAllByUserId($userId);
+		$permToUserModel->deleteAllByUserId($userId);
+		$userModel->delete($userId);
+		$userModel->transComplete();
+
+		if ($userModel->transStatus() === false)
+		{
+			$userModel->transRollback();
+
+			return false;
+		}
+		else
+		{
+			$userModel->transCommit();
+
+			return true;
+		}
 	}
 
 	/**
diff --git a/tests/Aauth/Database/UserSessionModelTest.php b/tests/Aauth/Database/UserSessionModelTest.php
new file mode 100644
index 0000000..ac0a828
--- /dev/null
+++ b/tests/Aauth/Database/UserSessionModelTest.php
@@ -0,0 +1,54 @@
+<?php namespace Tests\Aauth\Database;
+
+use Config\Aauth as AauthConfig;
+use CodeIgniter\Test\CIDatabaseTestCase;
+use App\Models\Aauth\UserSessionModel;
+
+class UserSessionModelTest extends CIDatabaseTestCase
+{
+	protected $refresh = true;
+
+	protected $basePath = FCPATH . '../app/Database/Migrations';
+
+	protected $namespace = 'App';
+
+	public function setUp()
+	{
+		parent::setUp();
+
+		$this->model  = new UserSessionModel($this->db);
+		$this->config = new AauthConfig();
+	}
+
+	//--------------------------------------------------------------------
+
+	public function testDelete()
+	{
+		$id = md5(time());
+		$this->hasInDatabase($this->config->dbTableUserSessions, [
+			'id'         => $id,
+			'ip_address' => '127.0.0.1',
+			'timestamp'  => time(),
+			'data'       => '',
+		]);
+		$this->seeNumRecords(1, $this->config->dbTableUserSessions, []);
+		$this->model->delete($id);
+		$this->seeNumRecords(0, $this->config->dbTableUserSessions, []);
+	}
+
+	public function testDBInsert()
+	{
+		$this->seeNumRecords(0, $this->config->dbTableUserSessions, []);
+		$id = md5(time());
+		$this->model->insert([
+			'id'         => $id,
+			'ip_address' => '127.0.0.1',
+			'timestamp'  => time(),
+			'data'       => '',
+		]);
+		$this->seeNumRecords(1, $this->config->dbTableUserSessions, []);
+		$this->assertEquals(1, $this->model->affectedRows());
+		$this->assertEquals(1, $this->model->countAll());
+	}
+
+}
diff --git a/tests/Aauth/Libraries/Aauth/GroupTest.php b/tests/Aauth/Libraries/Aauth/GroupTest.php
index ae1bf27..ee7f473 100644
--- a/tests/Aauth/Libraries/Aauth/GroupTest.php
+++ b/tests/Aauth/Libraries/Aauth/GroupTest.php
@@ -220,6 +220,13 @@ class GroupTest extends CIDatabaseTestCase
 		]);
 	}
 
+	public function testGetUserGroups()
+	{
+		$this->assertCount(2, $this->library->getUserGroups(1));
+		$this->assertCount(1, $this->library->getUserGroups(2));
+		$this->assertFalse($this->library->getUserGroups(99));
+	}
+
 	public function testRemoveMemberFromAll()
 	{
 		$this->assertTrue($this->library->removeMemberFromAll(1));
diff --git a/tests/Aauth/Libraries/Aauth/PermTest.php b/tests/Aauth/Libraries/Aauth/PermTest.php
index bdbf595..be876b6 100644
--- a/tests/Aauth/Libraries/Aauth/PermTest.php
+++ b/tests/Aauth/Libraries/Aauth/PermTest.php
@@ -176,6 +176,37 @@ class PermTest extends CIDatabaseTestCase
 		$this->assertEquals('testPerm1', $permsOrderBy['perms'][1]['name']);
 	}
 
+	public function testGetUserPerms()
+	{
+		$this->assertCount(0, $this->library->getUserPerms(1, 1));
+
+		$this->hasInDatabase($this->config->dbTablePerms, [
+			'id'         => 1,
+			'name'       => 'testPerm1',
+			'definition' => 'Test Perm 1',
+		]);
+		$this->hasInDatabase($this->config->dbTablePerms, [
+			'id'         => 2,
+			'name'       => 'testPerm2',
+			'definition' => 'Test Perm 2',
+		]);
+		$this->hasInDatabase($this->config->dbTablePermToUser, [
+			'perm_id' => 1,
+			'user_id' => 1,
+			'state'   => 1,
+		]);
+		$this->hasInDatabase($this->config->dbTablePermToUser, [
+			'perm_id' => 2,
+			'user_id' => 1,
+			'state'   => 0,
+		]);
+
+		$this->assertCount(1, $this->library->getUserPerms(1, 1));
+		$this->assertCount(1, $this->library->getUserPerms(1, 0));
+		$this->assertCount(2, $this->library->getUserPerms(1));
+		$this->assertFalse($this->library->getUserPerms(99, 1));
+	}
+
 	/**
 	 * @runInSeparateProcess
 	 * @preserveGlobalState  disabled
@@ -387,6 +418,37 @@ class PermTest extends CIDatabaseTestCase
 		$this->assertEquals(lang('Aauth.notFoundGroup'), $this->library->getErrorsArray()[0]);
 	}
 
+	public function testGetGroupPerms()
+	{
+		$this->assertCount(0, $this->library->getGroupPerms(1, 1));
+
+		$this->hasInDatabase($this->config->dbTablePerms, [
+			'id'         => 1,
+			'name'       => 'testPerm1',
+			'definition' => 'Test Perm 1',
+		]);
+		$this->hasInDatabase($this->config->dbTablePerms, [
+			'id'         => 2,
+			'name'       => 'testPerm2',
+			'definition' => 'Test Perm 2',
+		]);
+		$this->hasInDatabase($this->config->dbTablePermToGroup, [
+			'perm_id'  => 1,
+			'group_id' => 1,
+			'state'    => 1,
+		]);
+		$this->hasInDatabase($this->config->dbTablePermToGroup, [
+			'perm_id'  => 2,
+			'group_id' => 1,
+			'state'    => 0,
+		]);
+
+		$this->assertCount(1, $this->library->getGroupPerms(1, 1));
+		$this->assertCount(1, $this->library->getGroupPerms(1, 0));
+		$this->assertCount(2, $this->library->getGroupPerms(1));
+		$this->assertFalse($this->library->getGroupPerms(99, 1));
+	}
+
 	public function testListGroupPerms()
 	{
 		$this->hasInDatabase($this->config->dbTablePerms, [