feat: VivesPOS landing on Winter CMS 1.2 — theme + plugin + Dockerfile

- Base: wintercms/winter branch 1.2 (full framework) - Theme vivespos: Canvas 7 + Bootstrap 5 CDN, custom CSS - Layout: deferred GTM/GA4 tracking, JSON-LD SoftwareApplication - Partials: hero (offline-first), features, modes (offline/nube toggle), screenshots, pricing (3 planes), comparison, FAQ, CTA - Plugin VivesPOS.Site with ContactForm - Dockerfile: PHP 8.2 Apache, port 80, healthcheck - Added winter/wn-pages, blog, sitemap, seo plugins - Active theme set to vivespos
2026-08-21 19:29:00 -06:00
commit 1f72193a64
3266 changed files with 531480 additions and 0 deletions
--- a/modules/system/tests/plugins/database/AttachManyModelTest.php
+++ b/modules/system/tests/plugins/database/AttachManyModelTest.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use System\Models\File as FileModel;
+use Database\Tester\Models\User;
+use Model;
+
+class AttachManyModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/User.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testDeleteFlagDestroyRelationship()
+    {
+        Model::unguard();
+        $user = User::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        Model::reguard();
+
+        $this->assertEmpty($user->photos);
+        $user->photos()->create(['data' => base_path() . '/modules/system/tests/fixtures/plugins/database/tester/assets/images/avatar.png']);
+        $user->reloadRelations();
+        $this->assertNotEmpty($user->photos);
+
+        $photo = $user->photos->first();
+        $photoId = $photo->id;
+
+        $user->photos()->remove($photo);
+        $this->assertNull(FileModel::find($photoId));
+    }
+
+    public function testDeleteFlagDeleteModel()
+    {
+        Model::unguard();
+        $user = User::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        Model::reguard();
+
+        $this->assertEmpty($user->photos);
+        $user->photos()->create(['data' => base_path() . '/modules/system/tests/fixtures/plugins/database/tester/assets/images/avatar.png']);
+        $user->reloadRelations();
+        $this->assertNotEmpty($user->photos);
+
+        $photo = $user->photos->first();
+        $this->assertNotNull($photo);
+        $photoId = $photo->id;
+
+        $user->delete();
+        $this->assertNull(FileModel::find($photoId));
+    }
+}
--- a/modules/system/tests/plugins/database/AttachOneModelTest.php
+++ b/modules/system/tests/plugins/database/AttachOneModelTest.php
@@ -0,0 +1,112 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use System\Models\File as FileModel;
+use Database\Tester\Models\User;
+use Database\Tester\Models\SoftDeleteUser;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+use Model;
+
+class AttachOneModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/User.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testSetRelationValue()
+    {
+        Model::unguard();
+        $user = User::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $user2 = User::create(['name' => 'Joe', 'email' => 'joe@example.com']);
+        Model::reguard();
+
+        // Set by string
+        $user->avatar = base_path() . '/modules/system/tests/fixtures/plugins/database/tester/assets/images/avatar.png';
+
+        // @todo $user->avatar currently sits as a string, not good for validation
+        // this should really assert as an UploadedFile instead.
+
+        // Commit the file and it should snap to a File model
+        $user->save();
+
+        $this->assertNotNull($user->avatar);
+        $this->assertEquals('avatar.png', $user->avatar->file_name);
+
+        // Set by Uploaded file
+        $sample = $user->avatar;
+        $upload = new UploadedFile(
+            base_path() . '/modules/system/tests/fixtures/plugins/database/tester/assets/images/avatar.png',
+            $sample->file_name,
+            $sample->content_type,
+            null,
+            true
+        );
+
+        $user2->avatar = $upload;
+
+        // The file is prepped but not yet commited, this is for validation
+        $this->assertNotNull($user2->avatar);
+        $this->assertEquals($upload, $user2->avatar);
+
+        // Commit the file and it should snap to a File model
+        $user2->save();
+
+        $this->assertNotNull($user2->avatar);
+        $this->assertEquals('avatar.png', $user2->avatar->file_name);
+    }
+
+    public function testDeleteFlagDestroyRelationship()
+    {
+        Model::unguard();
+        $user = User::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        Model::reguard();
+
+        $this->assertNull($user->avatar);
+        $user->avatar()->create(['data' => base_path() . '/modules/system/tests/fixtures/plugins/database/tester/assets/images/avatar.png']);
+        $user->reloadRelations();
+        $this->assertNotNull($user->avatar);
+
+        $avatar = $user->avatar;
+        $avatarId = $avatar->id;
+
+        $user->avatar()->remove($avatar);
+        $this->assertNull(FileModel::find($avatarId));
+    }
+
+    public function testDeleteFlagDeleteModel()
+    {
+        Model::unguard();
+        $user = User::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        Model::reguard();
+
+        $this->assertNull($user->avatar);
+        $user->avatar()->create(['data' => base_path() . '/modules/system/tests/fixtures/plugins/database/tester/assets/images/avatar.png']);
+        $user->reloadRelations();
+        $this->assertNotNull($user->avatar);
+
+        $avatarId = $user->avatar->id;
+        $user->delete();
+        $this->assertNull(FileModel::find($avatarId));
+    }
+
+    public function testDeleteFlagSoftDeleteModel()
+    {
+        Model::unguard();
+        $user = SoftDeleteUser::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        Model::reguard();
+
+        $user->avatar()->create(['data' => base_path() . '/modules/system/tests/fixtures/plugins/database/tester/assets/images/avatar.png']);
+        $this->assertNotNull($user->avatar);
+
+        $avatarId = $user->avatar->id;
+        $user->delete();
+        $this->assertNotNull(FileModel::find($avatarId));
+    }
+}
--- a/modules/system/tests/plugins/database/BelongsToManyModelTest.php
+++ b/modules/system/tests/plugins/database/BelongsToManyModelTest.php
@@ -0,0 +1,218 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\Category;
+use Database\Tester\Models\Post as PostModel;
+use Database\Tester\Models\Role;
+use Database\Tester\Models\Author;
+use Model;
+use DB;
+
+class BelongsToManyModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Role.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Author.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Category.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testSetRelationValue()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $role1 = Role::create(['name' => "Designer", 'description' => "Quality"]);
+        $role2 = Role::create(['name' => "Programmer", 'description' => "Speed"]);
+        $role3 = Role::create(['name' => "Manager", 'description' => "Budget"]);
+        Model::reguard();
+
+        // Add/remove to collection
+        $this->assertFalse($author->roles->contains($role1->id));
+        $author->roles()->add($role1);
+        $author->roles()->add($role2);
+        $this->assertTrue($author->roles->contains($role1->id));
+        $this->assertTrue($author->roles->contains($role2->id));
+
+        // Set by Model object
+        $author->roles = $role1;
+        $this->assertEquals(1, $author->roles->count());
+        $this->assertEquals('Designer', $author->roles->first()->name);
+
+        $author->roles = [$role1, $role2, $role3];
+        $this->assertEquals(3, $author->roles->count());
+
+        // Set by primary key
+        $author->roles = $role2->id;
+        $this->assertEquals(1, $author->roles->count());
+        $this->assertEquals('Programmer', $author->roles->first()->name);
+
+        $author->roles = [$role2->id, $role3->id];
+        $this->assertEquals(2, $author->roles->count());
+
+        // Nullify
+        $author->roles = null;
+        $this->assertEquals(0, $author->roles->count());
+
+        // Extra nullify checks (still exists in DB until saved)
+        $author->reloadRelations('roles');
+        $this->assertEquals(2, $author->roles->count());
+        $author->save();
+        $author->reloadRelations('roles');
+        $this->assertEquals(0, $author->roles->count());
+
+        // Deferred in memory
+        $author->roles = [$role2->id, $role3->id];
+        $this->assertEquals(2, $author->roles->count());
+        $this->assertEquals('Programmer', $author->roles->first()->name);
+    }
+
+    public function testGetRelationValue()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $role1 = Role::create(['name' => "Designer", 'description' => "Quality"]);
+        $role2 = Role::create(['name' => "Programmer", 'description' => "Speed"]);
+        Model::reguard();
+
+        $author->roles()->add($role1);
+        $author->roles()->add($role2);
+
+        $this->assertEquals([$role1->id, $role2->id], $author->getRelationValue('roles'));
+    }
+
+    public function testDeferredBinding()
+    {
+        $sessionKey = uniqid('session_key', true);
+
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $role1 = Role::create(['name' => "Designer", 'description' => "Quality"]);
+        $role2 = Role::create(['name' => "Programmer", 'description' => "Speed"]);
+
+        $category = Category::create(['name' => 'News']);
+        $post1 = PostModel::create(['title' => 'First post']);
+        $post2 = PostModel::create(['title' => 'Second post']);
+        Model::reguard();
+
+        // Deferred add
+        $author->roles()->add($role1, $sessionKey);
+        $author->roles()->add($role2, $sessionKey);
+        $category->posts()->add($post1, $sessionKey, [
+            'category_name' => $category->name . ' in pivot',
+            'post_name' => $post1->title . ' in pivot',
+        ]);
+        $category->posts()->add($post2, $sessionKey, [
+            'category_name' => $category->name . ' in pivot',
+            'post_name' => $post2->title . ' in pivot',
+        ]);
+        $this->assertEmpty($author->roles);
+        $this->assertEmpty($category->posts);
+
+        $this->assertEquals(0, $author->roles()->count());
+        $this->assertEquals(2, $author->roles()->withDeferred($sessionKey)->count());
+        $this->assertEquals(0, $category->posts()->count());
+        $this->assertEquals(2, $category->posts()->withDeferred($sessionKey)->count());
+
+        // Get simple value (implicit)
+        $author->reloadRelations();
+        $author->sessionKey = $sessionKey;
+        $this->assertEquals([$role1->id, $role2->id], $author->getRelationValue('roles'));
+        $category->reloadRelations();
+        $category->sessionKey = $sessionKey;
+        $this->assertEquals([$post1->id, $post2->id], $category->getRelationValue('posts'));
+
+        // Get simple value (explicit)
+        $relatedIds = $author->roles()->allRelatedIds($sessionKey)->all();
+        $this->assertEquals([$role1->id, $role2->id], $relatedIds);
+        $relatedIds = $category->posts()->allRelatedIds($sessionKey)->all();
+        $this->assertEquals([$post1->id, $post2->id], $relatedIds);
+
+        // Commit deferred
+        $author->save(null, $sessionKey);
+        $category->save(null, $sessionKey);
+        $this->assertEquals(2, $author->roles()->count());
+        $this->assertEquals('Designer', $author->roles->first()->name);
+        $this->assertEquals(2, $category->posts()->count());
+        $this->assertEquals('First post', $category->posts->first()->title);
+        $this->assertEquals('Second post', $category->posts->last()->title);
+        $this->assertEquals('First post in pivot', $category->posts->first()->pivot->post_name);
+        $this->assertEquals('Second post in pivot', $category->posts->last()->pivot->post_name);
+        $this->assertEquals('News in pivot', $category->posts->first()->pivot->category_name);
+        $this->assertEquals('News in pivot', $category->posts->last()->pivot->category_name);
+
+        // New session
+        $sessionKey = uniqid('session_key', true);
+
+        // Deferred remove
+        $author->roles()->remove($role1, $sessionKey);
+        $author->roles()->remove($role2, $sessionKey);
+        $category->posts()->remove($post1, $sessionKey);
+        $category->posts()->remove($post2, $sessionKey);
+        $this->assertEquals(2, $author->roles()->count());
+        $this->assertEquals(0, $author->roles()->withDeferred($sessionKey)->count());
+        $this->assertEquals(2, $category->posts()->count());
+        $this->assertEquals(0, $category->posts()->withDeferred($sessionKey)->count());
+        $this->assertEquals('Designer', $author->roles->first()->name);
+        $this->assertEquals('First post', $category->posts->first()->title);
+        $this->assertEquals('Second post', $category->posts->last()->title);
+        $this->assertEquals('First post in pivot', $category->posts->first()->pivot->post_name);
+        $this->assertEquals('Second post in pivot', $category->posts->last()->pivot->post_name);
+        $this->assertEquals('News in pivot', $category->posts->first()->pivot->category_name);
+        $this->assertEquals('News in pivot', $category->posts->last()->pivot->category_name);
+
+        // Commit deferred
+        $author->save(null, $sessionKey);
+        $category->save(null, $sessionKey);
+        $this->assertEquals(0, $author->roles()->count());
+        $this->assertEquals(0, $author->roles->count());
+        $this->assertEquals(0, $category->posts()->count());
+        $this->assertEquals(0, $category->posts->count());
+    }
+
+    public function testDetachAfterDelete()
+    {
+        // Needed for other "delete" events
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/User.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/EventLog.php';
+
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $role1 = Role::create(['name' => "Designer", 'description' => "Quality"]);
+        $role2 = Role::create(['name' => "Programmer", 'description' => "Speed"]);
+        $role3 = Role::create(['name' => "Manager", 'description' => "Budget"]);
+        Model::reguard();
+
+        $author->roles()->add($role1);
+        $author->roles()->add($role2);
+        $author->roles()->add($role3);
+        $this->assertEquals(3, DB::table('database_tester_authors_roles')->where('author_id', $author->id)->count());
+
+        $author->delete();
+        $this->assertEquals(0, DB::table('database_tester_authors_roles')->where('author_id', $author->id)->count());
+    }
+
+    public function testConditionsWithPivotAttributes()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $role1 = Role::create(['name' => "Designer", 'description' => "Quality"]);
+        $role2 = Role::create(['name' => "Programmer", 'description' => "Speed"]);
+        $role3 = Role::create(['name' => "Manager", 'description' => "Budget"]);
+        Model::reguard();
+
+        $author->roles()->add($role1, null, ['is_executive' => 1]);
+        $author->roles()->add($role2, null, ['is_executive' => 1]);
+        $author->roles()->add($role3, null, ['is_executive' => 0]);
+
+        $this->assertEquals([1, 2], $author->executive_authors->lists('id'));
+        $this->assertEquals([1, 2], $author->executive_authors()->lists('id'));
+        $this->assertEquals([1, 2], $author->executive_authors()->get()->lists('id'));
+    }
+}
--- a/modules/system/tests/plugins/database/BelongsToModelTest.php
+++ b/modules/system/tests/plugins/database/BelongsToModelTest.php
@@ -0,0 +1,103 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\Post;
+use Database\Tester\Models\Author;
+use Model;
+
+class BelongsToModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Author.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testSetRelationValue()
+    {
+        Model::unguard();
+        $post = Post::create(['title' => "First post", 'description' => "Yay!!"]);
+        $author1 = Author::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $author2 = Author::create(['name' => 'Louie', 'email' => 'louie@example.com']);
+        $author3 = Author::make(['name' => 'Charlie', 'email' => 'charlie@example.com']);
+        Model::reguard();
+
+        // Set by Model object
+        $post->author = $author1;
+        $this->assertEquals($author1->id, $post->author_id);
+        $this->assertEquals('Stevie', $post->author->name);
+
+        // Set by primary key
+        $post->author = $author2->id;
+        $this->assertEquals($author2->id, $post->author_id);
+        $this->assertEquals('Louie', $post->author->name);
+
+        // Nullify
+        $post->author = null;
+        $this->assertNull($post->author_id);
+        $this->assertNull($post->author);
+
+        // Deferred in memory
+        $post->author = $author3;
+        $this->assertEquals('Charlie', $post->author->name);
+        $this->assertNull($post->author_id);
+        $author3->save();
+        $this->assertEquals($author3->id, $post->author_id);
+    }
+
+    public function testGetRelationValue()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie']);
+        $post = Post::make(['title' => "First post", 'author_id' => $author->id]);
+        Model::reguard();
+
+        $this->assertEquals($author->id, $post->getRelationValue('author'));
+    }
+
+    public function testDeferredBinding()
+    {
+        $sessionKey = uniqid('session_key', true);
+
+        Model::unguard();
+        $post = Post::make(['title' => "First post"]);
+        $author = Author::create(['name' => 'Stevie']);
+        Model::reguard();
+
+        // Deferred add
+        $post->author()->add($author, $sessionKey);
+        $this->assertNull($post->author_id);
+        $this->assertNull($post->author);
+
+        $this->assertEquals(0, $post->author()->count());
+        $this->assertEquals(1, $post->author()->withDeferred($sessionKey)->count());
+
+        // Commit deferred
+        $post->save(null, $sessionKey);
+        $this->assertEquals(1, $post->author()->count());
+        $this->assertEquals($author->id, $post->author_id);
+        $this->assertEquals('Stevie', $post->author->name);
+
+        // New session
+        $sessionKey = uniqid('session_key', true);
+
+        // Deferred remove
+        $post->author()->remove($author, $sessionKey);
+        $this->assertEquals(1, $post->author()->count());
+        $this->assertEquals(0, $post->author()->withDeferred($sessionKey)->count());
+        $this->assertEquals($author->id, $post->author_id);
+        $this->assertEquals('Stevie', $post->author->name);
+
+        // Commit deferred
+        $post->save(null, $sessionKey);
+        $this->assertEquals(0, $post->author()->count());
+        $this->assertNull($post->author_id);
+        $this->assertNull($post->author);
+    }
+}
--- a/modules/system/tests/plugins/database/DeferredBindingTest.php
+++ b/modules/system/tests/plugins/database/DeferredBindingTest.php
@@ -0,0 +1,112 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\Post;
+use Database\Tester\Models\Author;
+use Winter\Storm\Database\Models\DeferredBinding;
+use Model;
+
+class DeferredBindingTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Author.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testNegatedBinding()
+    {
+        $sessionKey = uniqid('session_key', true);
+        DeferredBinding::truncate();
+
+        Model::unguard();
+        $author = Author::make(['name' => 'Stevie']);
+        $post = Post::create(['title' => "First post"]);
+        $post2 = Post::create(['title' => "Second post"]);
+        Model::reguard();
+
+        $author->posts()->add($post, $sessionKey);
+        $this->assertEquals(1, DeferredBinding::count());
+
+        // Skip repeat bindings
+        $author->posts()->add($post, $sessionKey);
+        $this->assertEquals(1, DeferredBinding::count());
+
+        // Remove add-delete pairs
+        $author->posts()->remove($post, $sessionKey);
+        $this->assertEquals(0, DeferredBinding::count());
+
+        // Multi ball
+        $sessionKey = uniqid('session_key', true);
+        $author->posts()->add($post, $sessionKey);
+        $author->posts()->add($post, $sessionKey);
+        $author->posts()->add($post, $sessionKey);
+        $author->posts()->add($post, $sessionKey);
+        $author->posts()->add($post2, $sessionKey);
+        $author->posts()->add($post2, $sessionKey);
+        $author->posts()->add($post2, $sessionKey);
+        $author->posts()->add($post2, $sessionKey);
+        $author->posts()->add($post2, $sessionKey);
+        $this->assertEquals(2, DeferredBinding::count());
+
+        // Clean up add-delete pairs
+        $author->posts()->remove($post, $sessionKey);
+        $author->posts()->remove($post2, $sessionKey);
+        $this->assertEquals(0, DeferredBinding::count());
+
+        // Double negative
+        $author->posts()->remove($post, $sessionKey);
+        $author->posts()->remove($post2, $sessionKey);
+        $this->assertEquals(2, DeferredBinding::count());
+
+        // Skip repeat bindings
+        $author->posts()->remove($post, $sessionKey);
+        $author->posts()->remove($post2, $sessionKey);
+        $this->assertEquals(2, DeferredBinding::count());
+
+        // Clean up add-delete pairs again
+        $author->posts()->add($post, $sessionKey);
+        $author->posts()->add($post2, $sessionKey);
+        $this->assertEquals(0, DeferredBinding::count());
+    }
+
+    public function testCancelBinding()
+    {
+        $sessionKey = uniqid('session_key', true);
+        DeferredBinding::truncate();
+
+        Model::unguard();
+        $author = Author::make(['name' => 'Stevie']);
+        $post = Post::create(['title' => "First post"]);
+        Model::reguard();
+
+        $author->posts()->add($post, $sessionKey);
+        $this->assertEquals(1, DeferredBinding::count());
+
+        $author->cancelDeferred($sessionKey);
+        $this->assertEquals(0, DeferredBinding::count());
+    }
+
+    public function testCommitBinding()
+    {
+        $sessionKey = uniqid('session_key', true);
+        DeferredBinding::truncate();
+
+        Model::unguard();
+        $author = Author::make(['name' => 'Stevie']);
+        $post = Post::create(['title' => "First post"]);
+        Model::reguard();
+
+        $author->posts()->add($post, $sessionKey);
+        $this->assertEquals(1, DeferredBinding::count());
+
+        $author->commitDeferred($sessionKey);
+        $this->assertEquals(0, DeferredBinding::count());
+    }
+}
--- a/modules/system/tests/plugins/database/HasManyModelTest.php
+++ b/modules/system/tests/plugins/database/HasManyModelTest.php
@@ -0,0 +1,126 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\Author;
+use Database\Tester\Models\Post;
+use Winter\Storm\Database\Collection;
+use Model;
+
+class HasManyModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Author.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testSetRelationValue()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $post1 = Post::create(['title' => "First post", 'description' => "Yay!!"]);
+        $post2 = Post::create(['title' => "Second post", 'description' => "Woohoo!!"]);
+        $post3 = Post::create(['title' => "Third post", 'description' => "Yipiee!!"]);
+        $post4 = Post::make(['title' => "Fourth post", 'description' => "Hooray!!"]);
+        Model::reguard();
+
+        // Set by Model object
+        $author->posts = new Collection([$post1, $post2]);
+        $author->save();
+        $this->assertEquals($author->id, $post1->author_id);
+        $this->assertEquals($author->id, $post2->author_id);
+        $this->assertEquals([
+            'First post',
+            'Second post'
+        ], $author->posts->lists('title'));
+
+        // Set by primary key
+        $postId = $post3->id;
+        $author->posts = $postId;
+        $author->save();
+        $post3 = Post::find($postId);
+        $this->assertEquals($author->id, $post3->author_id);
+        $this->assertEquals([
+            'Third post'
+        ], $author->posts->lists('title'));
+
+        // Nullify
+        $author->posts = null;
+        $author->save();
+        $post3 = Post::find($postId);
+        $this->assertNull($post3->author_id);
+        $this->assertNull($post3->author);
+
+        // Deferred in memory
+        $author->posts = $post4;
+        $this->assertEquals($author->id, $post4->author_id);
+        $this->assertEquals([
+            'Fourth post'
+        ], $author->posts->lists('title'));
+    }
+
+    public function testGetRelationValue()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie']);
+        $post1 = Post::create(['title' => "First post", 'author_id' => $author->id]);
+        $post2 = Post::create(['title' => "Second post", 'author_id' => $author->id]);
+        Model::reguard();
+
+        $this->assertEquals([$post1->id, $post2->id], $author->getRelationValue('posts'));
+    }
+
+    public function testDeferredBinding()
+    {
+        $sessionKey = uniqid('session_key', true);
+
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie']);
+        $post = Post::create(['title' => "First post", 'description' => "Yay!!"]);
+        Model::reguard();
+
+        $postId = $post->id;
+
+        // Deferred add
+        $author->posts()->add($post, $sessionKey);
+        $this->assertNull($post->author_id);
+        $this->assertEmpty($author->posts);
+
+        $this->assertEquals(0, $author->posts()->count());
+        $this->assertEquals(1, $author->posts()->withDeferred($sessionKey)->count());
+
+        // Commit deferred
+        $author->save(null, $sessionKey);
+        $post = Post::find($postId);
+        $this->assertEquals(1, $author->posts()->count());
+        $this->assertEquals($author->id, $post->author_id);
+        $this->assertEquals([
+            'First post'
+        ], $author->posts->lists('title'));
+
+        // New session
+        $sessionKey = uniqid('session_key', true);
+
+        // Deferred remove
+        $author->posts()->remove($post, $sessionKey);
+        $this->assertEquals(1, $author->posts()->count());
+        $this->assertEquals(0, $author->posts()->withDeferred($sessionKey)->count());
+        $this->assertEquals($author->id, $post->author_id);
+        $this->assertEquals([
+            'First post'
+        ], $author->posts->lists('title'));
+
+        // Commit deferred
+        $author->save(null, $sessionKey);
+        $post = Post::find($postId);
+        $this->assertEquals(0, $author->posts()->count());
+        $this->assertNull($post->author_id);
+        $this->assertEmpty($author->posts);
+    }
+}
--- a/modules/system/tests/plugins/database/HasManyThroughModelTest.php
+++ b/modules/system/tests/plugins/database/HasManyThroughModelTest.php
@@ -0,0 +1,58 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\Author;
+use Database\Tester\Models\Country;
+use Database\Tester\Models\Post;
+use Winter\Storm\Database\Collection;
+use Model;
+
+class HasManyThroughModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Author.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Country.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testGet()
+    {
+        Model::unguard();
+        $country = Country::create(['name' => 'Australia']);
+        $author1 = Author::create(['name' => 'Stevie', 'email' => 'stevie@email.tld']);
+        $author2 = Author::create(['name' => 'Louie', 'email' => 'louie@email.tld']);
+        $post1 = Post::create(['title' => "First post", 'description' => "Yay!!"]);
+        $post2 = Post::create(['title' => "Second post", 'description' => "Woohoo!!"]);
+        $post3 = Post::create(['title' => "Third post", 'description' => "Yipiee!!"]);
+        $post4 = Post::make(['title' => "Fourth post", 'description' => "Hooray!!"]);
+        Model::reguard();
+
+        // Set data
+        $author1->country = $country;
+        $author2->country = $country;
+
+        $author1->posts = new Collection([$post1, $post2]);
+        $author2->posts = new Collection([$post3, $post4]);
+
+        $author1->save();
+        $author2->save();
+
+        $country = Country::with([
+            'posts'
+        ])->find($country->id);
+
+        $this->assertEquals([
+            $post1->id,
+            $post2->id,
+            $post3->id,
+            $post4->id
+        ], $country->posts->pluck('id')->toArray());
+    }
+}
--- a/modules/system/tests/plugins/database/HasOneModelTest.php
+++ b/modules/system/tests/plugins/database/HasOneModelTest.php
@@ -0,0 +1,138 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\Author;
+use Database\Tester\Models\Phone;
+use Model;
+
+class HasOneModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Author.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Phone.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testSetRelationValue()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $phone1 = Phone::create(['number' => '0404040404']);
+        $phone2 = Phone::create(['number' => '0505050505']);
+        $phone3 = Phone::make(['number' => '0606060606']);
+        Model::reguard();
+
+        // Set by Model object
+        $author->phone = $phone1;
+        $author->save();
+        $this->assertEquals($author->id, $phone1->author_id);
+        $this->assertEquals('0404040404', $author->phone->number);
+
+        // Double check
+        $phone1 = Phone::find($phone1->id);
+        $this->assertEquals($author->id, $phone1->author_id);
+
+        // Set by primary key
+        $phoneId = $phone2->id;
+        $author->phone = $phoneId;
+        $author->save();
+        $phone2 = Phone::find($phoneId);
+        $this->assertEquals($author->id, $phone2->author_id);
+        $this->assertEquals('0505050505', $author->phone->number);
+
+        // Ensure relationship is "stolen" from first model
+        $phone1 = Phone::find($phone1->id);
+        $this->assertNotEquals($author->id, $phone1->author_id);
+
+        // Nullify
+        $author->phone = null;
+        $author->save();
+        $phone2 = Phone::find($phoneId);
+        $this->assertNull($phone2->author_id);
+        $this->assertNull($phone2->author);
+
+        // Deferred in memory
+        $author->phone = $phone3;
+        $this->assertEquals('0606060606', $author->phone->number);
+        $this->assertEquals($author->id, $phone3->author_id);
+    }
+
+    public function testSetRelationValueTwice()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $phone = Phone::create(['number' => '0505050505']);
+        Model::reguard();
+
+        $phoneId = $phone->id;
+        $author->phone = $phoneId;
+        $author->save();
+
+        $author->phone = $phoneId;
+        $author->save();
+
+        $phone = Phone::find($phoneId);
+        $this->assertEquals($author->id, $phone->author_id);
+        $this->assertEquals('0505050505', $author->phone->number);
+    }
+
+    public function testGetRelationValue()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie']);
+        $phone = Phone::create(['number' => '0404040404', 'author_id' => $author->id]);
+        Model::reguard();
+
+        $this->assertEquals($phone->id, $author->getRelationValue('phone'));
+    }
+
+    public function testDeferredBinding()
+    {
+        $sessionKey = uniqid('session_key', true);
+
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie']);
+        $phone = Phone::create(['number' => '0404040404']);
+        Model::reguard();
+
+        $phoneId = $phone->id;
+
+        // Deferred add
+        $author->phone()->add($phone, $sessionKey);
+        $this->assertNull($phone->author_id);
+        $this->assertNull($author->phone);
+
+        $this->assertEquals(0, $author->phone()->count());
+        $this->assertEquals(1, $author->phone()->withDeferred($sessionKey)->count());
+
+        // Commit deferred
+        $author->save(null, $sessionKey);
+        $phone = Phone::find($phoneId);
+        $this->assertEquals(1, $author->phone()->count());
+        $this->assertEquals($author->id, $phone->author_id);
+        $this->assertEquals('0404040404', $author->phone->number);
+
+        // New session
+        $sessionKey = uniqid('session_key', true);
+
+        // Deferred remove
+        $author->phone()->remove($phone, $sessionKey);
+        $this->assertEquals(1, $author->phone()->count());
+        $this->assertEquals(0, $author->phone()->withDeferred($sessionKey)->count());
+        $this->assertEquals($author->id, $phone->author_id);
+        $this->assertEquals('0404040404', $author->phone->number);
+
+        // Commit deferred
+        $author->save(null, $sessionKey);
+        $phone = Phone::find($phoneId);
+        $this->assertEquals(0, $author->phone()->count());
+        $this->assertNull($phone->author_id);
+        $this->assertNull($author->phone);
+    }
+}
--- a/modules/system/tests/plugins/database/HasOneThroughModelTest.php
+++ b/modules/system/tests/plugins/database/HasOneThroughModelTest.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\Author;
+use Database\Tester\Models\Phone;
+use Database\Tester\Models\User;
+use Model;
+
+class HasOneThroughModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/User.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Author.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Phone.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testGet()
+    {
+        Model::unguard();
+        $phone = Phone::create(['number' => '08 1234 5678']);
+        $author = Author::create(['name' => 'Stevie', 'email' => 'stevie@email.tld']);
+        $user = User::create(['name' => 'Stevie', 'email' => 'stevie@email.tld']);
+        Model::reguard();
+
+        // Set data
+        $author->phone = $phone;
+        $author->user = $user;
+        $author->save();
+
+        $user = User::with([
+            'phone'
+        ])->find($user->id);
+
+        $this->assertEquals($phone->id, $user->phone->id);
+    }
+}
--- a/modules/system/tests/plugins/database/MorphManyModelTest.php
+++ b/modules/system/tests/plugins/database/MorphManyModelTest.php
@@ -0,0 +1,174 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\Author;
+use Database\Tester\Models\Tag;
+use Database\Tester\Models\Post;
+use Database\Tester\Models\EventLog;
+use Winter\Storm\Database\Collection;
+use Model;
+
+class MorphManyModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Author.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/EventLog.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Tag.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testSetRelationValue()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $event1 = EventLog::create(['action' => "user-created"]);
+        $event2 = EventLog::create(['action' => "user-updated"]);
+        $event3 = EventLog::create(['action' => "user-deleted"]);
+        $event4 = EventLog::make(['action' => "user-restored"]);
+        Model::reguard();
+
+        // Set by Model object
+        $author->event_log = new Collection([$event1, $event2]);
+        $author->save();
+        $this->assertEquals($author->id, $event1->related_id);
+        $this->assertEquals($author->id, $event2->related_id);
+        $this->assertEquals('Database\Tester\Models\Author', $event1->related_type);
+        $this->assertEquals('Database\Tester\Models\Author', $event2->related_type);
+        $this->assertEquals([
+            'user-created',
+            'user-updated'
+        ], $author->event_log->lists('action'));
+
+        // Set by primary key
+        $eventId = $event3->id;
+        $author->event_log = $eventId;
+        $author->save();
+        $event3 = EventLog::find($eventId);
+        $this->assertEquals($author->id, $event3->related_id);
+        $this->assertEquals('Database\Tester\Models\Author', $event3->related_type);
+        $this->assertEquals([
+            'user-deleted'
+        ], $author->event_log->lists('action'));
+
+        // Nullify
+        $author->event_log = null;
+        $author->save();
+        $event3 = EventLog::find($eventId);
+        $this->assertNull($event3->related_type);
+        $this->assertNull($event3->related_id);
+        $this->assertNull($event3->related);
+
+        // Deferred in memory
+        $author->event_log = $event4;
+        $this->assertEquals($author->id, $event4->related_id);
+        $this->assertEquals('Database\Tester\Models\Author', $event4->related_type);
+        $this->assertEquals([
+            'user-restored'
+        ], $author->event_log->lists('action'));
+    }
+
+    public function testGetRelationValue()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie']);
+        $event1 = EventLog::create(['action' => "user-created", 'related_id' => $author->id, 'related_type' => 'Database\Tester\Models\Author']);
+        $event2 = EventLog::create(['action' => "user-updated", 'related_id' => $author->id, 'related_type' => 'Database\Tester\Models\Author']);
+        Model::reguard();
+
+        $this->assertEquals([$event1->id, $event2->id], $author->getRelationValue('event_log'));
+    }
+
+    public function testDeferredBinding()
+    {
+        $sessionKey = uniqid('session_key', true);
+
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie']);
+        $event = EventLog::create(['action' => "user-created"]);
+        $post = Post::create(['title' => 'Hello world!']);
+        $tagForAuthor = Tag::create(['name' => 'ForAuthor']);
+        $tagForPost = Tag::create(['name' => 'ForPost']);
+        Model::reguard();
+
+        $eventId = $event->id;
+
+        // Deferred add
+        $author->event_log()->add($event, $sessionKey);
+        $this->assertNull($event->related_id);
+        $this->assertEmpty($author->event_log);
+
+        $this->assertEquals(0, $author->event_log()->count());
+        $this->assertEquals(1, $author->event_log()->withDeferred($sessionKey)->count());
+
+        $author->tags()->add($tagForAuthor, $sessionKey, ['added_by' => 99]);
+        $this->assertEmpty($author->tags);
+
+        $this->assertEquals(0, $author->tags()->count());
+        $this->assertEquals(1, $author->tags()->withDeferred($sessionKey)->count());
+
+        $tagForPost->posts()->add($post, $sessionKey, ['added_by' => 88]);
+        $this->assertEmpty($tagForPost->posts);
+
+        $this->assertEquals(0, $tagForPost->posts()->count());
+        $this->assertEquals(1, $tagForPost->posts()->withDeferred($sessionKey)->count());
+
+        // Commit deferred
+        $author->save(null, $sessionKey);
+        $event = EventLog::find($eventId);
+        $this->assertEquals(1, $author->event_log()->count());
+        $this->assertEquals($author->id, $event->related_id);
+        $this->assertEquals([
+            'user-created'
+        ], $author->event_log->lists('action'));
+
+        $this->assertEquals(1, $author->tags()->count());
+        $this->assertEquals([$tagForAuthor->id], $author->tags->lists('id'));
+        $this->assertEquals(99, $author->tags->first()->pivot->added_by);
+
+        $tagForPost->save(null, $sessionKey);
+        $this->assertEquals(1, $tagForPost->posts()->count());
+        $this->assertEquals([$post->id], $tagForPost->posts->lists('id'));
+        $this->assertEquals(88, $tagForPost->posts->first()->pivot->added_by);
+
+        // New session
+        $sessionKey = uniqid('session_key', true);
+
+        // Deferred remove
+        $author->event_log()->remove($event, $sessionKey);
+        $this->assertEquals(1, $author->event_log()->count());
+        $this->assertEquals(0, $author->event_log()->withDeferred($sessionKey)->count());
+        $this->assertEquals($author->id, $event->related_id);
+        $this->assertEquals([
+            'user-created'
+        ], $author->event_log->lists('action'));
+
+        $author->tags()->remove($tagForAuthor, $sessionKey);
+        $this->assertEquals(1, $author->tags()->count());
+        $this->assertEquals(0, $author->tags()->withDeferred($sessionKey)->count());
+        $this->assertEquals([$tagForAuthor->id], $author->tags->lists('id'));
+        $this->assertEquals(99, $author->tags->first()->pivot->added_by);
+
+        $tagForPost->posts()->remove($post, $sessionKey);
+        $this->assertEquals(1, $tagForPost->posts()->count());
+        $this->assertEquals(0, $tagForPost->posts()->withDeferred($sessionKey)->count());
+        $this->assertEquals([$post->id], $tagForPost->posts->lists('id'));
+        $this->assertEquals(88, $tagForPost->posts->first()->pivot->added_by);
+
+        // Commit deferred (model is deleted as per definition)
+        $author->save(null, $sessionKey);
+        $event = EventLog::find($eventId);
+        $this->assertEquals(0, $author->event_log()->count());
+        $this->assertNull($event);
+        $this->assertEmpty($author->event_log);
+
+        $this->assertEmpty(0, $author->tags);
+        $this->assertEmpty(0, $tagForPost->posts);
+    }
+}
--- a/modules/system/tests/plugins/database/MorphOneModelTest.php
+++ b/modules/system/tests/plugins/database/MorphOneModelTest.php
@@ -0,0 +1,192 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\Author;
+use Database\Tester\Models\Post;
+use Database\Tester\Models\Meta;
+use Model;
+
+class MorphOneModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Author.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Phone.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Meta.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testSetRelationValue()
+    {
+        Model::unguard();
+        $post = Post::create(['title' => "First post", 'description' => "Yay!!"]);
+        $author = Author::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $meta1 = Meta::create([
+            'meta_title' => 'Question',
+            'meta_description' => 'Industry',
+            'meta_keywords' => 'major',
+            'canonical_url' => 'http://google.com/search/jobs',
+            'redirect_url' => 'http://google.com',
+            'robot_index' => 'index',
+            'robot_follow' => 'follow',
+        ]);
+        $meta2 = Meta::create([
+            'meta_title' => 'Comment',
+            'meta_description' => 'Social',
+            'meta_keywords' => 'startup',
+            'canonical_url' => 'http://facebook.com/search/users',
+            'redirect_url' => 'http://facebook.com',
+            'robot_index' => 'index',
+            'robot_follow' => 'follow',
+        ]);
+        $meta3 = Meta::make([
+            'meta_title' => 'Answer',
+            'meta_description' => 'Employment',
+            'meta_keywords' => 'minor',
+            'canonical_url' => 'http://yahoo.com/search/stats',
+            'redirect_url' => 'http://yahoo.com',
+            'robot_index' => 'index',
+            'robot_follow' => 'follow',
+        ]);
+        Model::reguard();
+
+        // Set by Model object
+        $post->meta = $meta1;
+        $post->save();
+        $this->assertEquals($post->id, $meta1->taggable_id);
+        $this->assertEquals(get_class($post), $meta1->taggable_type);
+        $this->assertEquals('Question', $post->meta->meta_title);
+
+        // Double check
+        $meta1 = Meta::find($meta1->id);
+        $this->assertEquals($post->id, $meta1->taggable_id);
+        $this->assertEquals(get_class($post), $meta1->taggable_type);
+
+        // Set by primary key
+        $metaId = $meta2->id;
+        $author->meta = $metaId;
+        $author->save();
+        $meta2 = Meta::find($metaId);
+        $this->assertEquals($author->id, $meta2->taggable_id);
+        $this->assertEquals(get_class($author), $meta2->taggable_type);
+        $this->assertEquals('Comment', $author->meta->meta_title);
+
+        // Nullify
+        $author->meta = null;
+        $author->save();
+        $meta = Meta::find($metaId);
+        $this->assertNull($meta->taggable_type);
+        $this->assertNull($meta->taggable_id);
+        $this->assertNull($meta->taggable);
+
+        // Deferred in memory
+        $author->meta = $meta3;
+        $this->assertEquals('Answer', $author->meta->meta_title);
+        $this->assertEquals($author->id, $meta3->taggable_id);
+    }
+
+    public function testSetRelationValueTwice()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $meta = Meta::create([
+            'meta_title' => 'Question',
+            'meta_description' => 'Industry',
+            'meta_keywords' => 'major',
+            'canonical_url' => 'http://google.com/search/jobs',
+            'redirect_url' => 'http://google.com',
+            'robot_index' => 'index',
+            'robot_follow' => 'follow',
+        ]);
+        Model::reguard();
+
+        $metaId = $meta->id;
+        $author->meta = $metaId;
+        $author->save();
+
+        $author->meta = $metaId;
+        $author->save();
+
+        $meta = Meta::find($metaId);
+        $this->assertEquals($author->id, $meta->taggable_id);
+        $this->assertEquals(get_class($author), $meta->taggable_type);
+    }
+
+    public function testGetRelationValue()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie']);
+        $meta = Meta::create([
+            'taggable_id' => $author->id,
+            'taggable_type' => get_class($author),
+            'meta_title' => 'Question',
+            'meta_description' => 'Industry',
+            'meta_keywords' => 'major',
+            'canonical_url' => 'http://google.com/search/jobs',
+            'redirect_url' => 'http://google.com',
+            'robot_index' => 'index',
+            'robot_follow' => 'follow',
+        ]);
+        Model::reguard();
+
+        $this->assertEquals($meta->id, $author->getRelationValue('meta'));
+    }
+
+    public function testDeferredBinding()
+    {
+        $sessionKey = uniqid('session_key', true);
+
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie']);
+        $meta = Meta::create([
+            'meta_title' => 'Comment',
+            'meta_description' => 'Social',
+            'meta_keywords' => 'startup',
+            'canonical_url' => 'http://facebook.com/search/users',
+            'redirect_url' => 'http://facebook.com',
+            'robot_index' => 'index',
+            'robot_follow' => 'follow',
+        ]);
+        Model::reguard();
+
+        $metaId = $meta->id;
+
+        // Deferred add
+        $author->meta()->add($meta, $sessionKey);
+        $this->assertNull($meta->taggable_id);
+        $this->assertNull($author->meta);
+
+        $this->assertEquals(0, $author->meta()->count());
+        $this->assertEquals(1, $author->meta()->withDeferred($sessionKey)->count());
+
+        // Commit deferred
+        $author->save(null, $sessionKey);
+        $meta = Meta::find($metaId);
+        $this->assertEquals(1, $author->meta()->count());
+        $this->assertEquals($author->id, $meta->taggable_id);
+        $this->assertEquals('Comment', $author->meta->meta_title);
+
+        // New session
+        $sessionKey = uniqid('session_key', true);
+
+        // Deferred remove
+        $author->meta()->remove($meta, $sessionKey);
+        $this->assertEquals(1, $author->meta()->count());
+        $this->assertEquals(0, $author->meta()->withDeferred($sessionKey)->count());
+        $this->assertEquals($author->id, $meta->taggable_id);
+        $this->assertEquals('Comment', $author->meta->meta_title);
+
+        // Commit deferred
+        $author->save(null, $sessionKey);
+        $meta = Meta::find($metaId);
+        $this->assertEquals(0, $author->meta()->count());
+        $this->assertNull($meta->taggable_id);
+        $this->assertNull($author->meta);
+    }
+}
--- a/modules/system/tests/plugins/database/MorphToModelTest.php
+++ b/modules/system/tests/plugins/database/MorphToModelTest.php
@@ -0,0 +1,66 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\Post;
+use Database\Tester\Models\Author;
+use Database\Tester\Models\EventLog;
+use Model;
+
+class MorphToModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Author.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/EventLog.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testSetRelationValue()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $post1 = Post::create(['title' => "First post", 'description' => "Yay!!"]);
+        $post2 = Post::make(['title' => "Second post", 'description' => "Woohoo!!"]);
+        $event = EventLog::create(['action' => "user-created"]);
+        Model::reguard();
+
+        // Set by Model object
+        $event->related = $author;
+        $event->save();
+        $this->assertEquals($author->id, $event->related_id);
+        $this->assertEquals('Stevie', $event->related->name);
+
+        // Set by primary key
+        $event->related = [$post1->id, get_class($post1)];
+        $this->assertEquals($post1->id, $event->related_id);
+        $this->assertEquals('First post', $event->related->title);
+
+        // Nullify
+        $event->related = null;
+        $this->assertNull($event->related_id);
+        $this->assertNull($event->related);
+
+        // Deferred in memory
+        $event->related = $post2;
+        $this->assertEquals('Second post', $event->related->title);
+        $this->assertNull($event->related_id);
+        $event->save();
+        $this->assertEquals($post2->id, $event->related_id);
+    }
+
+    public function testGetRelationValue()
+    {
+        Model::unguard();
+        $author = Author::create(['name' => 'Stevie']);
+        $event = EventLog::make(['action' => "user-created", 'related_id' => $author->id, 'related_type' => get_class($author)]);
+        Model::reguard();
+
+        $this->assertEquals([$author->id, get_class($author)], $event->getRelationValue('related'));
+    }
+}
--- a/modules/system/tests/plugins/database/NestedTreeModelTest.php
+++ b/modules/system/tests/plugins/database/NestedTreeModelTest.php
@@ -0,0 +1,158 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\CategoryNested;
+use Model;
+
+class NestedTreeModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Category.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+        $this->seedSampleTree();
+    }
+
+    public function testGetNested()
+    {
+        $items = CategoryNested::getNested();
+
+        // Eager loaded
+        $items->each(function ($item) {
+            $this->assertTrue($item->relationLoaded('children'));
+        });
+
+        $this->assertEquals(2, $items->count());
+    }
+
+    public function testGetAllRoot()
+    {
+        $items = CategoryNested::getAllRoot();
+
+        // Not eager loaded
+        $items->each(function ($item) {
+            $this->assertFalse($item->relationLoaded('children'));
+        });
+
+        $this->assertEquals(2, $items->count());
+    }
+
+    public function testListsNested()
+    {
+        $array = CategoryNested::listsNested('name', 'id');
+        $this->assertEquals([
+            1 => 'Category Orange',
+            2 => '&nbsp;&nbsp;&nbsp;Autumn Leaves',
+            3 => '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;September',
+            4 => '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;October',
+            5 => '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;November',
+            6 => '&nbsp;&nbsp;&nbsp;Summer Breeze',
+            7 => 'Category Green',
+            8 => '&nbsp;&nbsp;&nbsp;Winter Snow',
+            9 => '&nbsp;&nbsp;&nbsp;Spring Trees'
+        ], $array);
+
+        CategoryNested::flushDuplicateCache();
+
+        $array = CategoryNested::listsNested('name', 'id', '--');
+        $this->assertEquals([
+            1 => 'Category Orange',
+            2 => '--Autumn Leaves',
+            3 => '----September',
+            4 => '----October',
+            5 => '----November',
+            6 => '--Summer Breeze',
+            7 => 'Category Green',
+            8 => '--Winter Snow',
+            9 => '--Spring Trees'
+        ], $array);
+
+        CategoryNested::flushDuplicateCache();
+
+        $array = CategoryNested::listsNested('description', 'name', '**');
+        $this->assertEquals([
+            'Category Orange' => 'A root level test category',
+            'Autumn Leaves' => '**Disccusion about the season of falling leaves.',
+            'September' => '****The start of the fall season.',
+            'October' => '****The middle of the fall season.',
+            'November' => '****The end of the fall season.',
+            'Summer Breeze' => '**Disccusion about the wind at the ocean.',
+            'Category Green' => 'A root level test category',
+            'Winter Snow' => '**Disccusion about the frosty snow flakes.',
+            'Spring Trees' => '**Disccusion about the blooming gardens.'
+        ], $array);
+    }
+
+    public function testListsNestedFromCollection()
+    {
+        $array = CategoryNested::get()->listsNested('custom_name', 'id', '...');
+        $this->assertEquals([
+            1 => 'Category Orange (#1)',
+            2 => '...Autumn Leaves (#2)',
+            3 => '......September (#3)',
+            4 => '......October (#4)',
+            5 => '......November (#5)',
+            6 => '...Summer Breeze (#6)',
+            7 => 'Category Green (#7)',
+            8 => '...Winter Snow (#8)',
+            9 => '...Spring Trees (#9)'
+        ], $array);
+    }
+
+    public function seedSampleTree()
+    {
+        Model::unguard();
+
+        $orange = CategoryNested::create([
+            'name' => 'Category Orange',
+            'description' => 'A root level test category',
+        ]);
+
+        $autumn = $orange->children()->create([
+            'name' => 'Autumn Leaves',
+            'description' => 'Disccusion about the season of falling leaves.'
+        ]);
+
+        $autumn->children()->create([
+            'name' => 'September',
+            'description' => 'The start of the fall season.'
+        ]);
+
+        $autumn->children()->create([
+            'name' => 'October',
+            'description' => 'The middle of the fall season.'
+        ]);
+
+        $autumn->children()->create([
+            'name' => 'November',
+            'description' => 'The end of the fall season.'
+        ]);
+
+        $orange->children()->create([
+            'name' => 'Summer Breeze',
+            'description' => 'Disccusion about the wind at the ocean.'
+        ]);
+
+        $green = CategoryNested::create([
+            'name' => 'Category Green',
+            'description' => 'A root level test category',
+        ]);
+
+        $green->children()->create([
+            'name' => 'Winter Snow',
+            'description' => 'Disccusion about the frosty snow flakes.'
+        ]);
+
+        $green->children()->create([
+            'name' => 'Spring Trees',
+            'description' => 'Disccusion about the blooming gardens.'
+        ]);
+
+        Model::reguard();
+    }
+}
--- a/modules/system/tests/plugins/database/NullableModelTest.php
+++ b/modules/system/tests/plugins/database/NullableModelTest.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\NullablePost;
+
+class NullableModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testNullifyingFields()
+    {
+        // Save as SQL default
+        $post = NullablePost::create(['author_nickname' => ''])->reload();
+        $this->assertEquals('Winter', $post->author_nickname);
+
+        // Save as empty string
+        $post->author_nickname = '';
+        $post->save();
+        $this->assertNull($post->author_nickname);
+    }
+
+    public function testNonEmptyValuesAreIgnored()
+    {
+        // Save as value
+        $post = NullablePost::create(['author_nickname' => 'Joe']);
+        $this->assertEquals('Joe', $post->author_nickname);
+
+        // Save as zero integer
+        $post->author_nickname = 0;
+        $post->save();
+        $this->assertNotNull($post->author_nickname);
+        $this->assertEquals(0, $post->author_nickname);
+
+        // Save as zero float
+        $post->author_nickname = 0.0;
+        $post->save();
+        $this->assertNotNull($post->author_nickname);
+        $this->assertEquals(0.0, $post->author_nickname);
+
+        // Save as zero string
+        $post->author_nickname = '0';
+        $post->save();
+        $this->assertNotNull($post->author_nickname);
+        $this->assertEquals('0', $post->author_nickname);
+
+        // Save as false
+        $post->author_nickname = false;
+        $post->save();
+        $this->assertNotNull($post->author_nickname);
+        $this->assertEquals(false, $post->author_nickname);
+    }
+}
--- a/modules/system/tests/plugins/database/PluginModelTest.php
+++ b/modules/system/tests/plugins/database/PluginModelTest.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\Post;
+
+class PluginModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testCreateFirstPost()
+    {
+        Post::truncate();
+        $post = new Post;
+        $post->title = "First post";
+        $post->description = "Yay!!";
+        $post->save();
+        $this->assertEquals(1, $post->id);
+    }
+
+    public function testGuardedAttribute()
+    {
+        $this->expectException(\Illuminate\Database\Eloquent\MassAssignmentException::class);
+        $this->expectExceptionMessageMatches('/title/');
+
+        Post::create(['title' => 'Hi!', 'slug' => 'authenticity']);
+    }
+}
--- a/modules/system/tests/plugins/database/RevisionableModelTest.php
+++ b/modules/system/tests/plugins/database/RevisionableModelTest.php
@@ -0,0 +1,145 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Carbon\Carbon;
+use Database\Tester\Models\RevisionablePost;
+use DateTime;
+
+class RevisionableModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testUpdateNothing()
+    {
+        $post = RevisionablePost::create(['title' => 'Hello World!']);
+        $this->assertEquals('Hello World!', $post->title);
+        $this->assertEquals(0, $post->revision_history()->count());
+
+        $post->revisionsEnabled = false;
+        $post->title = 'Helloooooooooooo!';
+        $post->save();
+        $this->assertEquals(0, $post->revision_history()->count());
+    }
+
+    public function testUpdateSingleField()
+    {
+        $post = RevisionablePost::create(['title' => 'Hello World!']);
+        $this->assertEquals('Hello World!', $post->title);
+        $this->assertEquals(0, $post->revision_history()->count());
+
+        $post->title = 'Helloooooooooooo!';
+        $post->save();
+        $this->assertEquals(1, $post->revision_history()->count());
+
+        $item = $post->revision_history()->first();
+
+        $this->assertEquals('title', $item->field);
+        $this->assertEquals('Hello World!', $item->old_value);
+        $this->assertEquals('Helloooooooooooo!', $item->new_value);
+        $this->assertEquals(7, $item->user_id);
+    }
+
+    public function testUpdateMultipleFields()
+    {
+        $post = RevisionablePost::create([
+            'title' => 'Hello World!',
+            'slug' => 'hello-world',
+            'description' => 'Good day, Commander',
+            'is_published' => true,
+            'published_at' => new DateTime
+        ]);
+
+        $this->assertEquals(0, $post->revision_history()->count());
+
+        $post->title = "Gday mate";
+        $post->slug = "gday-mate";
+        $post->description = 'Wazzaaaaaaaaaaaaap';
+        $post->is_published = false;
+        $post->published_at = Carbon::now()->addDays(1);
+        $post->save();
+
+        $history = $post->revision_history;
+
+        $this->assertEquals(5, $history->count());
+        $this->assertEquals([
+            'title',
+            'slug',
+            'description',
+            'is_published',
+            'published_at'
+        ], $history->lists('field'));
+    }
+
+    public function testExceedingRevisionLimit()
+    {
+        $post = RevisionablePost::create([
+            'title' => 'Hello World!',
+            'slug' => 'hello-world',
+            'description' => 'Good day, Commander',
+            'is_published' => true,
+            'published_at' => new DateTime
+        ]);
+
+        $this->assertEquals(0, $post->revision_history()->count());
+
+        $post->title = "Gday mate";
+        $post->slug = "gday-mate";
+        $post->description = 'Wazzaaaaaaaaaaaaap';
+        $post->is_published = false;
+        $post->published_at = Carbon::now()->addDays(1);
+        $post->save();
+
+        $post->title = 'The Boss';
+        $post->slug = 'the-boss';
+        $post->description = 'Paid the cost to be the boss';
+        $post->is_published = true;
+        $post->published_at = Carbon::now()->addDays(10);
+        $post->save();
+
+        // Count 10 changes above, limit is 8
+        $this->assertEquals(8, $post->revision_history()->count());
+    }
+
+    public function testSoftDeletes()
+    {
+        $post = RevisionablePost::create(['title' => 'Hello World!']);
+        $this->assertEquals('Hello World!', $post->title);
+        $this->assertEquals(0, $post->revision_history()->count());
+
+        $post->title = 'Helloooooooooooo!';
+        $post->save();
+        $this->assertEquals(1, $post->revision_history()->count());
+
+        $post->delete();
+        $this->assertEquals(2, $post->revision_history()->count());
+    }
+
+    public function testRevisionDateCast()
+    {
+        $post = RevisionablePost::create([
+            'title' => 'Hello World!',
+            'published_at' => Carbon::now()
+        ]);
+        $this->assertEquals(0, $post->revision_history()->count());
+
+        $post->published_at = Carbon::now()->addDays(1);
+        $post->save();
+
+        $this->assertEquals(1, $post->revision_history()->count());
+
+        $item = $post->revision_history()->first();
+        $this->assertEquals('published_at', $item->field);
+        $this->assertEquals('date', $item->cast);
+        $this->assertInstanceOf('Carbon\Carbon', $item->old_value);
+        $this->assertInstanceOf('Carbon\Carbon', $item->new_value);
+    }
+}
--- a/modules/system/tests/plugins/database/SimpleTreeModelTest.php
+++ b/modules/system/tests/plugins/database/SimpleTreeModelTest.php
@@ -0,0 +1,245 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Carbon\Carbon;
+use Database\Tester\Models\CategorySimple;
+use Model;
+
+class SimpleTreeModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Category.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+        $this->seedSampleTree();
+    }
+
+    public function testGetNested()
+    {
+        $items = CategorySimple::getNested();
+
+        // Eager loaded
+        $items->each(function ($item) {
+            $this->assertTrue($item->relationLoaded('children'));
+        });
+
+        $this->assertEquals(3, $items->count());
+    }
+
+    public function testGetAllRoot()
+    {
+        $items = CategorySimple::getAllRoot();
+
+        // Not eager loaded
+        $items->each(function ($item) {
+            $this->assertFalse($item->relationLoaded('children'));
+        });
+
+        $this->assertEquals(3, $items->count());
+    }
+
+    public function testGetChildren()
+    {
+        // Not eager loaded
+        $item = CategorySimple::first();
+        $this->assertFalse($item->relationLoaded('children'));
+        $this->assertEquals(6, $item->getChildren()->count());
+
+        // Not eager loaded
+        $item = CategorySimple::getAllRoot()->first();
+        $this->assertFalse($item->relationLoaded('children'));
+        $this->assertEquals(6, $item->getChildren()->count());
+
+        // Eager loaded
+        $item = CategorySimple::getNested()->first();
+        $this->assertTrue($item->relationLoaded('children'));
+        $this->assertEquals(6, $item->getChildren()->count());
+    }
+
+    public function testGetChildCount()
+    {
+        // Not eager loaded
+        $item = CategorySimple::first();
+        $this->assertFalse($item->relationLoaded('children'));
+        $this->assertEquals(9, $item->getChildCount());
+
+        // Not eager loaded
+        $item = CategorySimple::getAllRoot()->first();
+        $this->assertFalse($item->relationLoaded('children'));
+        $this->assertEquals(9, $item->getChildCount());
+
+        // Eager loaded
+        $item = CategorySimple::getNested()->first();
+        $this->assertTrue($item->relationLoaded('children'));
+        $this->assertEquals(9, $item->getChildCount());
+    }
+
+    public function testGetAllChildren()
+    {
+        // Not eager loaded
+        $item = CategorySimple::first();
+        $this->assertFalse($item->relationLoaded('children'));
+        $this->assertEquals(9, $item->getAllChildren()->count());
+
+        // Not eager loaded
+        $item = CategorySimple::getAllRoot()->first();
+        $this->assertFalse($item->relationLoaded('children'));
+        $this->assertEquals(9, $item->getAllChildren()->count());
+
+        // Eager loaded
+        $item = CategorySimple::getNested()->first();
+        $this->assertTrue($item->relationLoaded('children'));
+        $this->assertEquals(9, $item->getAllChildren()->count());
+    }
+
+    public function testListsNested()
+    {
+        $array = CategorySimple::listsNested('name', 'id');
+        $this->assertEquals([
+            1 => 'Web development',
+            2 => '&nbsp;&nbsp;&nbsp;HTML5',
+            3 => '&nbsp;&nbsp;&nbsp;CSS3',
+            4 => '&nbsp;&nbsp;&nbsp;jQuery',
+            5 => '&nbsp;&nbsp;&nbsp;Bootstrap',
+            6 => '&nbsp;&nbsp;&nbsp;Laravel',
+            7 => '&nbsp;&nbsp;&nbsp;Winter CMS',
+            8 => '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;September',
+            9 => '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;October',
+            10 => '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;November',
+            11 => 'Mobile development',
+            12 => '&nbsp;&nbsp;&nbsp;iOS',
+            13 => '&nbsp;&nbsp;&nbsp;iPhone',
+            14 => '&nbsp;&nbsp;&nbsp;iPad',
+            15 => '&nbsp;&nbsp;&nbsp;Android',
+            16 => 'Graphic design',
+            17 => '&nbsp;&nbsp;&nbsp;Photoshop',
+            18 => '&nbsp;&nbsp;&nbsp;Illustrator',
+            19 => '&nbsp;&nbsp;&nbsp;Fireworks'
+        ], $array);
+
+        $array = CategorySimple::listsNested('name', 'id', '--');
+        $this->assertEquals([
+            1 => 'Web development',
+            2 => '--HTML5',
+            3 => '--CSS3',
+            4 => '--jQuery',
+            5 => '--Bootstrap',
+            6 => '--Laravel',
+            7 => '--Winter CMS',
+            8 => '----September',
+            9 => '----October',
+            10 => '----November',
+            11 => 'Mobile development',
+            12 => '--iOS',
+            13 => '--iPhone',
+            14 => '--iPad',
+            15 => '--Android',
+            16 => 'Graphic design',
+            17 => '--Photoshop',
+            18 => '--Illustrator',
+            19 => '--Fireworks'
+        ], $array);
+
+        $array = CategorySimple::listsNested('id', 'name', '**');
+        $this->assertEquals([
+            'Web development' => '1',
+            'HTML5' => '**2',
+            'CSS3' => '**3',
+            'jQuery' => '**4',
+            'Bootstrap' => '**5',
+            'Laravel' => '**6',
+            'Winter CMS' => '**7',
+            'September' => '****8',
+            'October' => '****9',
+            'November' => '****10',
+            'Mobile development' => '11',
+            'iOS' => '**12',
+            'iPhone' => '**13',
+            'iPad' => '**14',
+            'Android' => '**15',
+            'Graphic design' => '16',
+            'Photoshop' => '**17',
+            'Illustrator' => '**18',
+            'Fireworks' => '**19'
+        ], $array);
+    }
+
+    public function testListsNestedUnknownColumn()
+    {
+        $this->expectException(\Exception::class);
+        $this->expectExceptionMessage('Column mismatch in listsNested method');
+
+        CategorySimple::listsNested('custom_name', 'id');
+    }
+
+    public function testListsNestedFromCollection()
+    {
+        $array = CategorySimple::get()->listsNested('custom_name', 'id', '...');
+
+        $this->assertEquals([
+            1 => 'Web development (#1)',
+            2 => '...HTML5 (#2)',
+            3 => '...CSS3 (#3)',
+            4 => '...jQuery (#4)',
+            5 => '...Bootstrap (#5)',
+            6 => '...Laravel (#6)',
+            7 => '...Winter CMS (#7)',
+            8 => '......September (#8)',
+            9 => '......October (#9)',
+            10 => '......November (#10)',
+            11 => 'Mobile development (#11)',
+            12 => '...iOS (#12)',
+            13 => '...iPhone (#13)',
+            14 => '...iPad (#14)',
+            15 => '...Android (#15)',
+            16 => 'Graphic design (#16)',
+            17 => '...Photoshop (#17)',
+            18 => '...Illustrator (#18)',
+            19 => '...Fireworks (#19)'
+        ], $array);
+    }
+
+
+    public function seedSampleTree()
+    {
+        Model::unguard();
+
+        $webdev = CategorySimple::create([
+            'name' => 'Web development'
+        ]);
+
+        $webdev->children()->create(['name' => 'HTML5']);
+        $webdev->children()->create(['name' => 'CSS3']);
+        $webdev->children()->create(['name' => 'jQuery']);
+        $webdev->children()->create(['name' => 'Bootstrap']);
+        $webdev->children()->create(['name' => 'Laravel']);
+        $winter = $webdev->children()->create(['name' => 'Winter CMS']);
+        $winter->children()->create(['name' => 'September']);
+        $winter->children()->create(['name' => 'October']);
+        $winter->children()->create(['name' => 'November']);
+
+        $mobdev = CategorySimple::create([
+            'name' => 'Mobile development'
+        ]);
+
+        $mobdev->children()->create(['name' => 'iOS']);
+        $mobdev->children()->create(['name' => 'iPhone']);
+        $mobdev->children()->create(['name' => 'iPad']);
+        $mobdev->children()->create(['name' => 'Android']);
+
+        $design = CategorySimple::create([
+            'name' => 'Graphic design'
+        ]);
+
+        $design->children()->create(['name' => 'Photoshop']);
+        $design->children()->create(['name' => 'Illustrator']);
+        $design->children()->create(['name' => 'Fireworks']);
+
+        Model::reguard();
+    }
+}
--- a/modules/system/tests/plugins/database/SluggableModelTest.php
+++ b/modules/system/tests/plugins/database/SluggableModelTest.php
@@ -0,0 +1,101 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\SluggablePost;
+
+class SluggableModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testFillPost()
+    {
+        $post = SluggablePost::create(['title' => 'Hello World!']);
+        $this->assertEquals('hello-world', $post->slug);
+    }
+
+    public function testSetAttributeOnPost()
+    {
+        $post = new SluggablePost;
+        $post->title = "Let's go, rock show!";
+        $post->save();
+
+        $this->assertEquals('lets-go-rock-show', $post->slug);
+    }
+
+    public function testSetSlugAttributeManually()
+    {
+        $post = new SluggablePost;
+        $post->title = 'We parked in a comfortable spot';
+        $post->slug = 'war-is-pain';
+        $post->save();
+
+        $this->assertEquals('war-is-pain', $post->slug);
+    }
+
+    public function testConcatenatedSlug()
+    {
+        $post = new SluggablePost;
+        $post->title = 'Sweetness and Light';
+        $post->description = 'Itchee and Scratchee';
+        $post->save();
+
+        $this->assertEquals('sweetness-and-light-itchee-and-scratchee', $post->long_slug);
+    }
+
+    public function testDuplicateSlug()
+    {
+        $post1 = SluggablePost::create(['title' => 'Pace yourself']);
+        $post2 = SluggablePost::create(['title' => 'Pace yourself']);
+        $post3 = SluggablePost::create(['title' => 'Pace yourself']);
+
+        $this->assertEquals('pace-yourself', $post1->slug);
+        $this->assertEquals('pace-yourself-2', $post2->slug);
+        $this->assertEquals('pace-yourself-3', $post3->slug);
+    }
+
+    public function testCollisionWithSelf()
+    {
+        $post1 = SluggablePost::create(['title' => 'Watch yourself']);
+        $post2 = SluggablePost::create(['title' => 'Watch yourself']);
+        $post3 = SluggablePost::create(['title' => 'Watch yourself']);
+
+        $this->assertEquals('watch-yourself', $post1->slug);
+        $this->assertEquals('watch-yourself-2', $post2->slug);
+        $this->assertEquals('watch-yourself-3', $post3->slug);
+
+        $post3->slugAttributes();
+        $post3->save();
+        $post2->slugAttributes();
+        $post2->save();
+        $post1->slugAttributes();
+        $post1->save();
+
+        $this->assertEquals('watch-yourself', $post1->slug);
+        $this->assertEquals('watch-yourself-2', $post2->slug);
+        $this->assertEquals('watch-yourself-3', $post3->slug);
+    }
+
+    public function testSuffixCollision()
+    {
+        $post1 = SluggablePost::create(['title' => 'Type 1']);
+        $post2 = SluggablePost::create(['title' => 'Type 2']);
+        $post3 = SluggablePost::create(['title' => 'Type 3']);
+        $post4 = SluggablePost::create(['title' => 'Type 3']);
+        $post5 = SluggablePost::create(['title' => 'Type 3']);
+
+        $this->assertEquals('type-1', $post1->slug);
+        $this->assertEquals('type-2', $post2->slug);
+        $this->assertEquals('type-3', $post3->slug);
+        $this->assertEquals('type-3-2', $post4->slug);
+        $this->assertEquals('type-3-3', $post5->slug);
+    }
+}
--- a/modules/system/tests/plugins/database/SoftDeleteModelTest.php
+++ b/modules/system/tests/plugins/database/SoftDeleteModelTest.php
@@ -0,0 +1,101 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\User;
+use Database\Tester\Models\Author;
+use Database\Tester\Models\UserWithAuthor;
+use Database\Tester\Models\SoftDeleteAuthor;
+use Database\Tester\Models\UserWithSoftAuthor;
+use Database\Tester\Models\UserWithAuthorAndSoftDelete;
+use Database\Tester\Models\UserWithSoftAuthorAndSoftDelete;
+use Model;
+
+class SoftDeleteModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/User.php';
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Author.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testDeleteOptionOnHardModel()
+    {
+        Model::unguard();
+        $user = UserWithAuthor::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $author = Author::create(['name' => 'Louie', 'email' => 'louie@example.com', 'user_id' => $user->id]);
+        Model::reguard();
+
+        $authorId = $author->id;
+        $user->delete(); // Hard
+        $this->assertNull(Author::find($authorId));
+    }
+
+    public function testSoftDeleteOptionOnHardModel()
+    {
+        Model::unguard();
+        $user = UserWithSoftAuthor::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $author = Author::create(['name' => 'Louie', 'email' => 'louie@example.com', 'user_id' => $user->id]);
+        Model::reguard();
+
+        $authorId = $author->id;
+        $user->delete(); // Hard
+        $this->assertNotNull(Author::find($authorId)); // Do nothing
+    }
+
+    public function testSoftDeleteOptionOnSoftModel()
+    {
+        Model::unguard();
+        $user = UserWithSoftAuthorAndSoftDelete::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $author = SoftDeleteAuthor::create(['name' => 'Louie', 'email' => 'louie@example.com', 'user_id' => $user->id]);
+        Model::reguard();
+
+        $authorId = $author->id;
+        $user->delete(); // Soft
+        $this->assertNull(SoftDeleteAuthor::find($authorId));
+        $this->assertNotNull(SoftDeleteAuthor::withTrashed()->find($authorId));
+    }
+
+    public function testDeleteOptionOnSoftModel()
+    {
+        Model::unguard();
+        $user = UserWithAuthorAndSoftDelete::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $author = Author::create(['name' => 'Louie', 'email' => 'louie@example.com', 'user_id' => $user->id]);
+        Model::reguard();
+
+        $authorId = $author->id;
+        $user->delete(); // Soft
+        $this->assertNotNull(Author::find($authorId)); // Do nothing
+
+        $userId = $user->id;
+        $user = UserWithAuthorAndSoftDelete::withTrashed()->find($userId);
+        $user->restore();
+
+        $user->forceDelete(); // Hard
+        $this->assertNull(Author::find($authorId));
+    }
+
+    public function testRestoreSoftDeleteRelation()
+    {
+        Model::unguard();
+        $user = UserWithSoftAuthorAndSoftDelete::create(['name' => 'Stevie', 'email' => 'stevie@example.com']);
+        $author = SoftDeleteAuthor::create(['name' => 'Louie', 'email' => 'louie@example.com', 'user_id' => $user->id]);
+        Model::reguard();
+
+        $authorId = $author->id;
+        $user->delete(); // Soft
+        $this->assertNull(SoftDeleteAuthor::find($authorId));
+        $this->assertNotNull(SoftDeleteAuthor::withTrashed()->find($authorId));
+
+        $userId = $user->id;
+        $user = UserWithSoftAuthorAndSoftDelete::withTrashed()->find($userId);
+        $user->restore();
+
+        $this->assertNotNull(SoftDeleteAuthor::find($authorId));
+    }
+}
--- a/modules/system/tests/plugins/database/ValidationModelTest.php
+++ b/modules/system/tests/plugins/database/ValidationModelTest.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace System\Tests\Plugins\Database;
+
+use System\Tests\Bootstrap\PluginTestCase;
+use Database\Tester\Models\ValidationPost;
+
+class ValidationModelTest extends PluginTestCase
+{
+    public function setUp() : void
+    {
+        parent::setUp();
+
+        include_once base_path() . '/modules/system/tests/fixtures/plugins/database/tester/models/Post.php';
+
+        $this->runPluginRefreshCommand('Database.Tester');
+    }
+
+    public function testUniqueTableValidation()
+    {
+        $this->expectException(\Winter\Storm\Database\ModelException::class);
+
+        $post = ValidationPost::create([
+            'title' => 'This is a new post',
+            'slug' => 'post-1',
+            'description' => 'Testing...'
+        ]);
+
+        $this->assertNotFalse($post);
+
+        $post2 = ValidationPost::create([
+            'title' => 'this is another post with the same slug',
+            'slug' => 'post-1',
+            'description' => 'testing....'
+        ]);
+    }
+}