diff --git a/tests/Admin/AdminTest.php b/tests/Admin/AdminTest.php
new file mode 100644
index 0000000..95fe918
--- /dev/null
+++ b/tests/Admin/AdminTest.php
@@ -0,0 +1,26 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.4
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\tests\ProjectManagement\Admin;
+
+/**
+ * @internal
+ */
+class AdminTest extends \PHPUnit\Framework\TestCase
+{
+    protected const MODULE_NAME = 'ProjectManagement';
+    protected const URI_LOAD = '';
+
+    use \Modules\tests\ModuleTestTrait;
+}
diff --git a/tests/Models/ProjectMapperTest.php b/tests/Models/ProjectMapperTest.php
new file mode 100644
index 0000000..48bb986
--- /dev/null
+++ b/tests/Models/ProjectMapperTest.php
@@ -0,0 +1,139 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.4
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\tests\ProjectManagement\Models;
+
+use Modules\Admin\Models\NullAccount;
+use Modules\Media\Models\Media;
+use Modules\ProjectManagement\Models\ProgressType;
+use Modules\ProjectManagement\Models\Project;
+use Modules\ProjectManagement\Models\ProjectMapper;
+use Modules\Tasks\Models\Task;
+use phpOMS\Localization\Money;
+use phpOMS\Utils\RnG\Text;
+
+/**
+ * @internal
+ */
+class ProjectMapperTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @covers Modules\ProjectManagement\Models\ProjectMapper
+     * @group module
+     */
+    public function testCRUD() : void
+    {
+        $project = new Project();
+
+        $project->setName('Projectname');
+        $project->setDescription('Description');
+        $project->setCreatedBy(new NullAccount(1));
+        $project->setStart(new \DateTime('2000-05-05'));
+        $project->setEnd(new \DateTime('2005-05-05'));
+
+        $money = new Money();
+        $money->setString('1.23');
+
+        $project->setCosts($money);
+        $project->setBudgetCosts($money);
+        $project->setBudgetEarnings($money);
+        $project->setEarnings($money);
+
+        $task = new Task();
+        $task->setTitle('ProjectTask 1');
+        $task->setCreatedBy(new NullAccount(1));
+
+        $task2 = new Task();
+        $task2->setTitle('ProjectTask 2');
+        $task2->setCreatedBy(new NullAccount(1));
+
+        $project->addTask($task);
+        $project->addTask($task2);
+
+        $project->setProgress(10);
+        $project->setProgressType(ProgressType::TASKS);
+
+        $media = new Media();
+        $media->setCreatedBy(new NullAccount(1));
+        $media->setDescription('desc');
+        $media->setPath('some/path');
+        $media->setSize(11);
+        $media->setExtension('png');
+        $media->setName('Project Media');
+        $project->addMedia($media);
+
+        $id = ProjectMapper::create($project);
+        self::assertGreaterThan(0, $project->getId());
+        self::assertEquals($id, $project->getId());
+
+        $projectR = ProjectMapper::get($project->getId());
+
+        self::assertEquals($project->getName(), $projectR->getName());
+        self::assertEquals($project->getDescription(), $projectR->getDescription());
+        self::assertEquals($project->countTasks(), $projectR->countTasks());
+        self::assertEquals($project->getCosts()->getAmount(), $projectR->getCosts()->getAmount());
+        self::assertEquals($project->getBudgetEarnings()->getAmount(), $projectR->getBudgetEarnings()->getAmount());
+        self::assertEquals($project->getBudgetCosts()->getAmount(), $projectR->getBudgetCosts()->getAmount());
+        self::assertEquals($project->getEarnings()->getAmount(), $projectR->getEarnings()->getAmount());
+        self::assertEquals($project->getCreatedAt()->format('Y-m-d'), $projectR->getCreatedAt()->format('Y-m-d'));
+        self::assertEquals($project->getStart()->format('Y-m-d'), $projectR->getStart()->format('Y-m-d'));
+        self::assertEquals($project->getEnd()->format('Y-m-d'), $projectR->getEnd()->format('Y-m-d'));
+        self::assertEquals($project->getProgress(), $projectR->getProgress());
+        self::assertEquals($project->getProgressType(), $projectR->getProgressType());
+
+        $expected = $project->getMedias();
+        $actual   = $projectR->getMedias();
+
+        self::assertEquals(\end($expected)->getName(), \end($actual)->getName());
+    }
+
+    public function testNewest() : void
+    {
+        $newest = ProjectMapper::getNewest(1);
+
+        self::assertCount(1, $newest);
+    }
+
+    /**
+     * @group volume
+     * @group module
+     * @coversNothing
+     */
+    public function testVolume() : void
+    {
+        for ($i = 1; $i < 100; ++$i) {
+            $text = new Text();
+
+            $project = new Project();
+
+            $project->setName($text->generateText(\mt_rand(3, 7)));
+            $project->setDescription($text->generateText(\mt_rand(20, 100)));
+            $project->setCreatedBy(new NullAccount(1));
+            $project->setStart(new \DateTime('2000-05-05'));
+            $project->setEnd(new \DateTime('2005-05-05'));
+            $project->setProgress(\mt_rand(0, 100));
+            $project->setProgressType(\mt_rand(0, 4));
+
+            $money = new Money();
+            $money->setString('1.23');
+
+            $project->setCosts($money);
+            $project->setBudgetCosts($money);
+            $project->setBudgetEarnings($money);
+            $project->setEarnings($money);
+
+            $id = ProjectMapper::create($project);
+        }
+    }
+}
diff --git a/tests/Models/ProjectTest.php b/tests/Models/ProjectTest.php
new file mode 100644
index 0000000..6b2823f
--- /dev/null
+++ b/tests/Models/ProjectTest.php
@@ -0,0 +1,99 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.4
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\tests\ProjectManagement\Models;
+
+use Modules\Admin\Models\NullAccount;
+use Modules\ProjectManagement\Models\ProgressType;
+use Modules\ProjectManagement\Models\Project;
+use Modules\Tasks\Models\Task;
+use phpOMS\Localization\Money;
+
+/**
+ * @internal
+ */
+class ProjectTest extends \PHPUnit\Framework\TestCase
+{
+    public function testDefault() : void
+    {
+        $project = new Project();
+
+        self::assertEquals(0, $project->getId());
+        self::assertInstanceOf('\Modules\Calendar\Models\Calendar', $project->getCalendar());
+        self::assertEquals((new \DateTime('now'))->format('Y-m-d'), $project->getCreatedAt()->format('Y-m-d'));
+        self::assertEquals((new \DateTime('now'))->format('Y-m-d'), $project->getStart()->format('Y-m-d'));
+        self::assertEquals((new \DateTime('now'))->modify('+1 month')->format('Y-m-d'), $project->getEnd()->format('Y-m-d'));
+        self::assertEquals(0, $project->getCreatedBy()->getId());
+        self::assertEquals('', $project->getName());
+        self::assertEquals('', $project->getDescription());
+        self::assertEquals(0, $project->getCosts()->getInt());
+        self::assertEquals(0, $project->getBudgetCosts()->getInt());
+        self::assertEquals(0, $project->getBudgetEarnings()->getInt());
+        self::assertEquals(0, $project->getEarnings()->getInt());
+        self::assertEquals(0, $project->getProgress());
+        self::assertEquals(ProgressType::MANUAL, $project->getProgressType());
+        self::assertEmpty($project->getTasks());
+        self::assertFalse($project->removeTask(2));
+        self::assertInstanceOf('\Modules\Tasks\Models\Task', $project->getTask(0));
+    }
+
+    public function testSetGet() : void
+    {
+        $project = new Project();
+
+        $project->setName('Project');
+        self::assertEquals('Project', $project->getName());
+
+        $project->setDescription('Description');
+        self::assertEquals('Description', $project->getDescription());
+
+        $project->setStart($date = new \DateTime('2000-05-05'));
+        self::assertEquals($date->format('Y-m-d'), $project->getStart()->format('Y-m-d'));
+
+        $project->setEnd($date = new \DateTime('2000-05-05'));
+        self::assertEquals($date->format('Y-m-d'), $project->getEnd()->format('Y-m-d'));
+
+        $money = new Money();
+        $money->setString('1.23');
+
+        $project->setCosts($money);
+        self::assertEquals($money->getAmount(), $project->getCosts()->getAmount());
+
+        $project->setBudgetCosts($money);
+        self::assertEquals($money->getAmount(), $project->getBudgetCosts()->getAmount());
+
+        $project->setBudgetEarnings($money);
+        self::assertEquals($money->getAmount(), $project->getBudgetEarnings()->getAmount());
+
+        $project->setEarnings($money);
+        self::assertEquals($money->getAmount(), $project->getEarnings()->getAmount());
+
+        $task = new Task();
+        $task->setTitle('A');
+        $task->setCreatedBy(new NullAccount(1));
+
+        $project->addTask($task);
+
+        self::assertEquals('A', $project->getTask(0)->getTitle());
+        self::assertCount(1, $project->getTasks());
+        self::assertTrue($project->removeTask(0));
+        self::assertEquals(0, $project->countTasks());
+
+        $project->setProgress(10);
+        self::assertEquals(10, $project->getProgress());
+
+        $project->setProgressType(ProgressType::TASKS);
+        self::assertEquals(ProgressType::TASKS, $project->getProgressType());
+    }
+}