Merge remote-tracking branch 'origin/0.16.x' into datetime-attributes-merge

# Conflicts:
#	app/controllers/api/account.php
#	app/controllers/api/databases.php
#	app/controllers/api/functions.php
#	app/controllers/api/projects.php
#	app/controllers/api/storage.php
#	app/controllers/api/teams.php
#	app/controllers/api/users.php
#	app/controllers/general.php
#	app/controllers/shared/api.php

tests/unit/Auth/AuthTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Auth;
 
 use Appwrite\Auth\Auth;
 use Utopia\Database\DateTime;
@@ -11,10 +11,6 @@ use Utopia\Database\Database;
 
 class AuthTest extends TestCase
 {
-    public function setUp(): void
-    {
-    }
-
     /**
      * Reset Roles
      */
@@ -24,7 +20,7 @@ class AuthTest extends TestCase
         Authorization::setRole('role:all');
     }
 
-    public function testCookieName()
+    public function testCookieName(): void
     {
         $name = 'cookie-name';
 
@@ -32,7 +28,7 @@ class AuthTest extends TestCase
         $this->assertEquals(Auth::$cookieName, $name);
     }
 
-    public function testEncodeDecodeSession()
+    public function testEncodeDecodeSession(): void
     {
         $id = 'id';
         $secret = 'secret';
@@ -42,13 +38,13 @@ class AuthTest extends TestCase
         $this->assertEquals(Auth::decodeSession($session), ['id' => $id, 'secret' => $secret]);
     }
 
-    public function testHash()
+    public function testHash(): void
     {
         $secret = 'secret';
         $this->assertEquals(Auth::hash($secret), '2bb80d537b1da3e38bd30361aa855686bde0eacd7162fef6a25fe97bf527a25b');
     }
 
-    public function testPassword()
+    public function testPassword(): void
     {
         $secret = 'secret';
         $static = '$2y$08$PDbMtV18J1KOBI9tIYabBuyUwBrtXPGhLxCy9pWP6xkldVOKLrLKy';
@@ -58,19 +54,19 @@ class AuthTest extends TestCase
         $this->assertEquals(Auth::passwordVerify($secret, $static), true);
     }
 
-    public function testPasswordGenerator()
+    public function testPasswordGenerator(): void
     {
         $this->assertEquals(\mb_strlen(Auth::passwordGenerator()), 40);
         $this->assertEquals(\mb_strlen(Auth::passwordGenerator(5)), 10);
     }
 
-    public function testTokenGenerator()
+    public function testTokenGenerator(): void
     {
         $this->assertEquals(\mb_strlen(Auth::tokenGenerator()), 256);
         $this->assertEquals(\mb_strlen(Auth::tokenGenerator(5)), 10);
     }
 
-    public function testSessionVerify()
+    public function testSessionVerify(): void
     {
         $secret = 'secret1';
         $hash = Auth::hash($secret);
@@ -114,7 +110,7 @@ class AuthTest extends TestCase
         $this->assertEquals(Auth::sessionVerify($tokens2, 'false-secret'), false);
     }
 
-    public function testTokenVerify()
+    public function testTokenVerify(): void
     {
         $secret = 'secret1';
         $hash = Auth::hash($secret);
@@ -171,7 +167,7 @@ class AuthTest extends TestCase
         $this->assertEquals(Auth::tokenVerify($tokens3, Auth::TOKEN_TYPE_RECOVERY, 'false-secret'), false);
     }
 
-    public function testIsPrivilegedUser()
+    public function testIsPrivilegedUser(): void
     {
         $this->assertEquals(false, Auth::isPrivilegedUser([]));
         $this->assertEquals(false, Auth::isPrivilegedUser(['role:' . Auth::USER_ROLE_GUEST]));
@@ -188,7 +184,7 @@ class AuthTest extends TestCase
         $this->assertEquals(true, Auth::isPrivilegedUser(['role:' . Auth::USER_ROLE_OWNER, 'role:' . Auth::USER_ROLE_ADMIN, 'role:' . Auth::USER_ROLE_DEVELOPER]));
     }
 
-    public function testIsAppUser()
+    public function testIsAppUser(): void
     {
         $this->assertEquals(false, Auth::isAppUser([]));
         $this->assertEquals(false, Auth::isAppUser(['role:' . Auth::USER_ROLE_GUEST]));
@@ -205,7 +201,7 @@ class AuthTest extends TestCase
         $this->assertEquals(false, Auth::isAppUser(['role:' . Auth::USER_ROLE_OWNER, 'role:' . Auth::USER_ROLE_ADMIN, 'role:' . Auth::USER_ROLE_DEVELOPER]));
     }
 
-    public function testGuestRoles()
+    public function testGuestRoles(): void
     {
         $user = new Document([
             '$id' => ''
@@ -216,7 +212,7 @@ class AuthTest extends TestCase
         $this->assertContains('role:guest', $roles);
     }
 
-    public function testUserRoles()
+    public function testUserRoles(): void
     {
         $user  = new Document([
             '$id' => '123',
@@ -249,7 +245,7 @@ class AuthTest extends TestCase
         $this->assertContains('team:def/guest', $roles);
     }
 
-    public function testPrivilegedUserRoles()
+    public function testPrivilegedUserRoles(): void
     {
         Authorization::setRole('role:' . Auth::USER_ROLE_OWNER);
         $user  = new Document([
@@ -283,7 +279,7 @@ class AuthTest extends TestCase
         $this->assertContains('team:def/guest', $roles);
     }
 
-    public function testAppUserRoles()
+    public function testAppUserRoles(): void
     {
         Authorization::setRole('role:' . Auth::USER_ROLE_APP);
         $user  = new Document([

tests/unit/Auth/Validator/PasswordTest.php

@@ -1,27 +1,20 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Auth\Validator;
 
 use Appwrite\Auth\Validator\Password;
 use PHPUnit\Framework\TestCase;
 
 class PasswordTest extends TestCase
 {
-    /**
-     * @var Password
-     */
-    protected $object = null;
+    protected ?Password $object = null;
 
     public function setUp(): void
     {
         $this->object = new Password();
     }
 
-    public function tearDown(): void
-    {
-    }
-
-    public function testValues()
+    public function testValues(): void
     {
         $this->assertEquals($this->object->isValid(false), false);
         $this->assertEquals($this->object->isValid(null), false);

tests/unit/Auth/Validator/PhoneTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Auth\Validator;
 
 use Appwrite\Auth\Validator\Phone;
 use PHPUnit\Framework\TestCase;
@@ -14,11 +14,7 @@ class PhoneTest extends TestCase
         $this->object = new Phone();
     }
 
-    public function tearDown(): void
-    {
-    }
-
-    public function testValues()
+    public function testValues(): void
     {
         $this->assertEquals($this->object->isValid(false), false);
         $this->assertEquals($this->object->isValid(null), false);

tests/unit/DSN/DSNTest.php

@@ -1,20 +1,12 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\DSN;
 
 use Appwrite\DSN\DSN;
 use PHPUnit\Framework\TestCase;
 
 class DSNTest extends TestCase
 {
-    public function setUp(): void
-    {
-    }
-
-    public function tearDown(): void
-    {
-    }
-
     public function testSuccess(): void
     {
         $dsn = new DSN("mariadb://user:password@localhost:3306/database?charset=utf8&timezone=UTC");
@@ -84,6 +76,6 @@ class DSNTest extends TestCase
     public function testFail(): void
     {
         $this->expectException(\InvalidArgumentException::class);
-        $dsn = new DSN("mariadb://");
+        new DSN("mariadb://");
     }
 }

tests/unit/Detector/DetectorTest.php

@@ -1,16 +1,13 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Detector;
 
 use Appwrite\Detector\Detector;
 use PHPUnit\Framework\TestCase;
 
 class DetectorTest extends TestCase
 {
-    /**
-     * @var Detector
-     */
-    protected $object = null;
+    protected ?Detector $object = null;
 
     public function setUp(): void
     {
@@ -21,7 +18,7 @@ class DetectorTest extends TestCase
     {
     }
 
-    public function testGetOS()
+    public function testGetOS(): void
     {
         $this->assertEquals($this->object->getOS(), [
             'osCode' => 'WIN',
@@ -30,7 +27,7 @@ class DetectorTest extends TestCase
         ]);
     }
 
-    public function testGetClient()
+    public function testGetClient(): void
     {
         $this->assertEquals($this->object->getClient(), [
             'clientType' => 'browser',
@@ -42,7 +39,7 @@ class DetectorTest extends TestCase
         ]);
     }
 
-    public function testGetDevice()
+    public function testGetDevice(): void
     {
         $this->assertEquals($this->object->getDevice(), [
             'deviceName' => 'desktop',

tests/unit/Docker/ComposeTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Docker;
 
 use Appwrite\Docker\Compose;
 use Exception;
@@ -8,11 +8,7 @@ use PHPUnit\Framework\TestCase;
 
 class ComposeTest extends TestCase
 {
-    /**
-     * @var Compose
-     */
-    protected $object = null;
-
+    protected ?Compose $object = null;
 
     public function setUp(): void
     {
@@ -25,16 +21,12 @@ class ComposeTest extends TestCase
         $this->object = new Compose($data);
     }
 
-    public function tearDown(): void
-    {
-    }
-
-    public function testVersion()
+    public function testVersion(): void
     {
         $this->assertEquals('3', $this->object->getVersion());
     }
 
-    public function testServices()
+    public function testServices(): void
     {
         $this->assertCount(17, $this->object->getServices());
         $this->assertEquals('appwrite-telegraf', $this->object->getService('telegraf')->getContainerName());
@@ -44,12 +36,12 @@ class ComposeTest extends TestCase
         $this->assertEquals(['2080' => '80', '2443' => '443', '8080' => '8080'], $this->object->getService('traefik')->getPorts());
     }
 
-    public function testNetworks()
+    public function testNetworks(): void
     {
         $this->assertCount(2, $this->object->getNetworks());
     }
 
-    public function testVolumes()
+    public function testVolumes(): void
     {
         $this->assertCount(9, $this->object->getVolumes());
         $this->assertEquals('appwrite-mariadb', $this->object->getVolumes()[0]);

tests/unit/Docker/EnvTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Docker;
 
 use Appwrite\Docker\Env;
 use Exception;
@@ -8,11 +8,7 @@ use PHPUnit\Framework\TestCase;
 
 class EnvTest extends TestCase
 {
-    /**
-     * @var Env
-     */
-    protected $object = null;
-
+    protected ?Env $object = null;
 
     public function setUp(): void
     {
@@ -25,11 +21,7 @@ class EnvTest extends TestCase
         $this->object = new Env($data);
     }
 
-    public function tearDown(): void
-    {
-    }
-
-    public function testVars()
+    public function testVars(): void
     {
         $this->object->setVar('_APP_TEST', 'value4');
 
@@ -39,7 +31,7 @@ class EnvTest extends TestCase
         $this->assertEquals('value4', $this->object->getVar('_APP_TEST'));
     }
 
-    public function testExport()
+    public function testExport(): void
     {
         $this->assertEquals("_APP_X=value1
 _APP_Y=value2

tests/unit/Event/EventTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Event;
 
 use Appwrite\Event\Event;
 use InvalidArgumentException;
@@ -9,15 +9,8 @@ use Utopia\App;
 
 class EventTest extends TestCase
 {
-    /**
-     * @var Event
-     */
-    protected $object = null;
-
-    /**
-     * @var string
-     */
-    protected $queue = '';
+    protected ?Event $object = null;
+    protected string $queue = '';
 
     public function setUp(): void
     {
@@ -29,11 +22,7 @@ class EventTest extends TestCase
         $this->object = new Event($this->queue, 'TestsV1');
     }
 
-    public function tearDown(): void
-    {
-    }
-
-    public function testQueue()
+    public function testQueue(): void
     {
         $this->assertEquals($this->queue, $this->object->getQueue());
 
@@ -44,7 +33,7 @@ class EventTest extends TestCase
         $this->object->setQueue($this->queue);
     }
 
-    public function testClass()
+    public function testClass(): void
     {
         $this->assertEquals('TestsV1', $this->object->getClass());
 
@@ -55,7 +44,7 @@ class EventTest extends TestCase
         $this->object->setClass('TestsV1');
     }
 
-    public function testParams()
+    public function testParams(): void
     {
         $this->object
             ->setParam('eventKey1', 'eventValue1')
@@ -69,7 +58,7 @@ class EventTest extends TestCase
         $this->assertEquals(\Resque::size($this->queue), 1);
     }
 
-    public function testReset()
+    public function testReset(): void
     {
         $this->object
             ->setParam('eventKey1', 'eventValue1')
@@ -85,7 +74,7 @@ class EventTest extends TestCase
         $this->assertEquals(null, $this->object->getParam('eventKey3'));
     }
 
-    public function testGenerateEvents()
+    public function testGenerateEvents(): void
     {
         $event = Event::generateEvents('users.[userId].create', [
             'userId' => 'torsten'

tests/unit/Event/Validator/EventValidatorTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Event\Validator;
 
 use Appwrite\Event\Validator\Event;
 use PHPUnit\Framework\TestCase;
@@ -20,7 +20,7 @@ class EventValidatorTest extends TestCase
     {
     }
 
-    public function testValues()
+    public function testValues(): void
     {
         /**
          * Test for SUCCESS

tests/unit/General/CollectionsTest.php

@@ -1,23 +1,19 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\General;
 
 use PHPUnit\Framework\TestCase;
 
 class CollectionsTest extends TestCase
 {
-    protected $collections;
+    protected array $collections;
 
     public function setUp(): void
     {
         $this->collections = require('app/config/collections.php');
     }
 
-    public function tearDown(): void
-    {
-    }
-
-    public function testDuplicateRules()
+    public function testDuplicateRules(): void
     {
         foreach ($this->collections as $key => $collection) {
             if (array_key_exists('attributes', $collection)) {

tests/unit/General/ExtensionsTest.php

@@ -1,116 +1,77 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\General;
 
-use Appwrite\Network\Validator\CNAME;
 use PHPUnit\Framework\TestCase;
 
 class ExtensionsTest extends TestCase
 {
-    public function setUp(): void
-    {
-        // Core
-        // ctype
-        // curl
-        // date
-        // fileinfo
-        // filter
-        // ftp
-        // hash
-        // iconv
-        // libxml
-        // mysqlnd
-        // pcre
-        // pdo_mysql
-        // pdo_sqlite
-        // Phar
-        // posix
-        // readline
-        // Reflection
-        // session
-        // SimpleXML
-        // sockets
-        // sodium
-        // SPL
-        // sqlite3
-        // standard
-        // tokenizer
-        // xml
-        // xmlreader
-        // xmlwriter
-        // zlib
-    }
-
-    public function tearDown(): void
-    {
-    }
-
-    public function testPHPRedis()
+    public function testPHPRedis(): void
     {
         $this->assertEquals(true, extension_loaded('redis'));
     }
 
-    public function testSwoole()
+    public function testSwoole(): void
     {
         $this->assertEquals(true, extension_loaded('swoole'));
     }
 
-    public function testYAML()
+    public function testYAML(): void
     {
         $this->assertEquals(true, extension_loaded('yaml'));
     }
 
-    public function testOPCache()
+    public function testOPCache(): void
     {
         $this->assertEquals(true, extension_loaded('Zend OPcache'));
     }
 
-    public function testDOM()
+    public function testDOM(): void
     {
         $this->assertEquals(true, extension_loaded('dom'));
     }
 
-    public function testPDO()
+    public function testPDO(): void
     {
         $this->assertEquals(true, extension_loaded('PDO'));
     }
 
-    public function testImagick()
+    public function testImagick(): void
     {
         $this->assertEquals(true, extension_loaded('imagick'));
     }
 
-    public function testJSON()
+    public function testJSON(): void
     {
         $this->assertEquals(true, extension_loaded('json'));
     }
 
-    public function testCURL()
+    public function testCURL(): void
     {
         $this->assertEquals(true, extension_loaded('curl'));
     }
 
-    public function testMBString()
+    public function testMBString(): void
     {
         $this->assertEquals(true, extension_loaded('mbstring'));
     }
 
-    public function testOPENSSL()
+    public function testOPENSSL(): void
     {
         $this->assertEquals(true, extension_loaded('openssl'));
     }
 
-    public function testZLIB()
+    public function testZLIB(): void
     {
         $this->assertEquals(true, extension_loaded('zlib'));
     }
 
-    public function testSockets()
+    public function testSockets(): void
     {
         $this->assertEquals(true, extension_loaded('sockets'));
     }
 
-    public function testMaxminddb()
+    public function testMaxminddb(): void
     {
         $this->assertEquals(true, extension_loaded('maxminddb'));
     }

tests/unit/Messaging/MessagingChannelsTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Messaging;
 
 use Appwrite\Auth\Auth;
 use Utopia\Database\Document;
@@ -106,7 +106,7 @@ class MessagingChannelsTest extends TestCase
         $this->connectionsCount = 0;
     }
 
-    public function testSubscriptions()
+    public function testSubscriptions(): void
     {
         /**
          * Check for 1 project.
@@ -148,7 +148,7 @@ class MessagingChannelsTest extends TestCase
     /**
      * Tests Wildcard (role:all) Permissions on every channel.
      */
-    public function testWildcardPermission()
+    public function testWildcardPermission(): void
     {
         foreach ($this->allChannels as $index => $channel) {
             $event = [
@@ -177,7 +177,7 @@ class MessagingChannelsTest extends TestCase
         }
     }
 
-    public function testRolePermissions()
+    public function testRolePermissions(): void
     {
         $roles = ['role:guest', 'role:member'];
         foreach ($this->allChannels as $index => $channel) {
@@ -211,7 +211,7 @@ class MessagingChannelsTest extends TestCase
         }
     }
 
-    public function testUserPermissions()
+    public function testUserPermissions(): void
     {
         foreach ($this->allChannels as $index => $channel) {
             $permissions = [];
@@ -244,7 +244,7 @@ class MessagingChannelsTest extends TestCase
         }
     }
 
-    public function testTeamPermissions()
+    public function testTeamPermissions(): void
     {
         foreach ($this->allChannels as $index => $channel) {
             $permissions = [];

tests/unit/Messaging/MessagingGuestTest.php

@@ -1,13 +1,13 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Messaging;
 
 use Appwrite\Messaging\Adapter\Realtime;
 use PHPUnit\Framework\TestCase;
 
 class MessagingGuestTest extends TestCase
 {
-    public function testGuest()
+    public function testGuest(): void
     {
         $realtime = new Realtime();
 

tests/unit/Messaging/MessagingTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Messaging;
 
 use Utopia\Database\Document;
 use Appwrite\Messaging\Adapter\Realtime;
@@ -16,7 +16,7 @@ class MessagingTest extends TestCase
     {
     }
 
-    public function testUser()
+    public function testUser(): void
     {
         $realtime = new Realtime();
 
@@ -134,7 +134,7 @@ class MessagingTest extends TestCase
         $this->assertEmpty($realtime->subscriptions);
     }
 
-    public function testConvertChannelsGuest()
+    public function testConvertChannelsGuest(): void
     {
         $user = new Document([
             '$id' => ''
@@ -157,7 +157,7 @@ class MessagingTest extends TestCase
         $this->assertArrayNotHasKey('account.456', $channels);
     }
 
-    public function testConvertChannelsUser()
+    public function testConvertChannelsUser(): void
     {
         $user  = new Document([
             '$id' => '123',

tests/unit/Migration/MigrationTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Migration;
 
 use Appwrite\Migration\Migration;
 use PHPUnit\Framework\TestCase;
@@ -34,7 +34,7 @@ abstract class MigrationTest extends TestCase
     /**
      * Check versions array integrity.
      */
-    public function testMigrationVersions()
+    public function testMigrationVersions(): void
     {
         require_once __DIR__ . '/../../../app/init.php';
 
@@ -45,7 +45,7 @@ abstract class MigrationTest extends TestCase
         $this->assertArrayHasKey(APP_VERSION_STABLE, Migration::$versions);
     }
 
-    public function testHasDifference()
+    public function testHasDifference(): void
     {
         $this->assertFalse(Migration::hasDifference([], []));
         $this->assertFalse(Migration::hasDifference([

tests/unit/Migration/MigrationV12Test.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Migration;
 
 use ReflectionClass;
 use Appwrite\Migration\Version\V12;
@@ -16,7 +16,7 @@ class MigrationV12Test extends MigrationTest
         $this->method->setAccessible(true);
     }
 
-    public function testMigrationProjects()
+    public function testMigrationProjects(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'project',
@@ -30,7 +30,7 @@ class MigrationV12Test extends MigrationTest
         $this->assertEquals($document->getAttribute('search'), 'project Appwrite');
     }
 
-    public function testMigrationUsers()
+    public function testMigrationUsers(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'user',
@@ -42,7 +42,7 @@ class MigrationV12Test extends MigrationTest
         $this->assertEquals($document->getAttribute('search'), 'user test@appwrite.io Torsten Dittmann');
     }
 
-    public function testMigrationTeams()
+    public function testMigrationTeams(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'team',
@@ -53,7 +53,7 @@ class MigrationV12Test extends MigrationTest
         $this->assertEquals($document->getAttribute('search'), 'team Appwrite');
     }
 
-    public function testMigrationFunctions()
+    public function testMigrationFunctions(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'function',
@@ -65,7 +65,7 @@ class MigrationV12Test extends MigrationTest
         $this->assertEquals($document->getAttribute('search'), 'function My Function php-8.0');
     }
 
-    public function testMigrationExecutions()
+    public function testMigrationExecutions(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'execution',

tests/unit/Migration/MigrationV13Test.php

@@ -1,8 +1,7 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Migration;
 
-use Appwrite\Event\Validator\Event;
 use ReflectionClass;
 use Appwrite\Migration\Version\V13;
 use Utopia\Database\Document;
@@ -17,7 +16,7 @@ class MigrationV13Test extends MigrationTest
         $this->method->setAccessible(true);
     }
 
-    public function testMigrateFunctions()
+    public function testMigrateFunctions(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'func',
@@ -28,7 +27,7 @@ class MigrationV13Test extends MigrationTest
         $this->assertEquals($document->getAttribute('events'), ['users.*.create']);
     }
 
-    public function testMigrationWebhooks()
+    public function testMigrationWebhooks(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'webh',

tests/unit/Migration/MigrationV14Test.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Migration;
 
 use ReflectionClass;
 use Appwrite\Migration\Version\V14;
@@ -16,7 +16,7 @@ class MigrationV14Test extends MigrationTest
         $this->method->setAccessible(true);
     }
 
-    public function testMigrateProjects()
+    public function testMigrateProjects(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'appwrite',
@@ -28,7 +28,7 @@ class MigrationV14Test extends MigrationTest
         $this->assertEquals($document->getAttribute('version'), '0.15.0');
     }
 
-    public function testMigrateKeys()
+    public function testMigrateKeys(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'appwrite',
@@ -39,7 +39,7 @@ class MigrationV14Test extends MigrationTest
         $this->assertEquals($document->getAttribute('expire'), 0);
     }
 
-    public function testMigrateWebhooks()
+    public function testMigrateWebhooks(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'appwrite',
@@ -50,7 +50,7 @@ class MigrationV14Test extends MigrationTest
         $this->assertEquals(strlen($document->getAttribute('signatureKey')), 128);
     }
 
-    public function testMigrateUsers()
+    public function testMigrateUsers(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'appwrite',
@@ -62,7 +62,7 @@ class MigrationV14Test extends MigrationTest
         $this->assertFalse($document->getAttribute('phoneVerification'));
     }
 
-    public function testMigratePlatforms()
+    public function testMigratePlatforms(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'appwrite',
@@ -77,7 +77,7 @@ class MigrationV14Test extends MigrationTest
         $this->assertEquals($document->getUpdatedAt(), 987654321);
     }
 
-    public function testMigrateFunctions()
+    public function testMigrateFunctions(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'appwrite',
@@ -92,7 +92,7 @@ class MigrationV14Test extends MigrationTest
         $this->assertEquals($document->getUpdatedAt(), 987654321);
     }
 
-    public function testMigrateDeployments()
+    public function testMigrateDeployments(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'appwrite',
@@ -104,7 +104,7 @@ class MigrationV14Test extends MigrationTest
         $this->assertEquals($document->getCreatedAt(), 123456789);
     }
 
-    public function testMigrateExecutions()
+    public function testMigrateExecutions(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'appwrite',
@@ -116,7 +116,7 @@ class MigrationV14Test extends MigrationTest
         $this->assertEquals($document->getCreatedAt(), 123456789);
     }
 
-    public function testMigrateTeams()
+    public function testMigrateTeams(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'appwrite',
@@ -128,7 +128,7 @@ class MigrationV14Test extends MigrationTest
         $this->assertEquals($document->getCreatedAt(), 123456789);
     }
 
-    public function testMigrateAudits()
+    public function testMigrateAudits(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'appwrite',
@@ -151,7 +151,7 @@ class MigrationV14Test extends MigrationTest
         $this->assertEquals($document->getAttribute('event'), 'databases.default.collections.movies.documents.avatar.create');
     }
 
-    public function testMigrateStats()
+    public function testMigrateStats(): void
     {
         $document = $this->fixDocument(new Document([
             '$id' => 'appwrite',

tests/unit/Network/Validators/CNAMETest.php

@@ -1,16 +1,13 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Network\Validators;
 
 use Appwrite\Network\Validator\CNAME;
 use PHPUnit\Framework\TestCase;
 
 class CNAMETest extends TestCase
 {
-    /**
-     * @var CNAME
-     */
-    protected $object = null;
+    protected ?CNAME $object = null;
 
     public function setUp(): void
     {
@@ -21,7 +18,7 @@ class CNAMETest extends TestCase
     {
     }
 
-    public function testValues()
+    public function testValues(): void
     {
         $this->assertEquals($this->object->isValid(''), false);
         $this->assertEquals($this->object->isValid(null), false);

tests/unit/Network/Validators/DomainTest.php

@@ -1,16 +1,13 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Network\Validators;
 
 use Appwrite\Network\Validator\Domain;
 use PHPUnit\Framework\TestCase;
 
 class DomainTest extends TestCase
 {
-    /**
-     * @var Domain
-     */
-    protected $domain = null;
+    protected ?Domain $domain = null;
 
     public function setUp(): void
     {
@@ -22,7 +19,7 @@ class DomainTest extends TestCase
         $this->domain = null;
     }
 
-    public function testIsValid()
+    public function testIsValid(): void
     {
         // Assertions
         $this->assertEquals(true, $this->domain->isValid('example.com'));

tests/unit/Network/Validators/EmailTest.php

@@ -12,16 +12,14 @@
  * @license The MIT License (MIT) <http://www.opensource.org/licenses/mit-license.php>
  */
 
-namespace Appwrite\Network\Validator;
+namespace Tests\Unit\Network\Validators;
 
+use Appwrite\Network\Validator\Email;
 use PHPUnit\Framework\TestCase;
 
 class EmailTest extends TestCase
 {
-    /**
-     * @var Email
-     */
-    protected $email = null;
+    protected ?Email $email = null;
 
     public function setUp(): void
     {
@@ -33,9 +31,8 @@ class EmailTest extends TestCase
         $this->email = null;
     }
 
-    public function testIsValid()
+    public function testIsValid(): void
     {
-        // Assertions
         $this->assertEquals(true, $this->email->isValid('email@domain.com'));
         $this->assertEquals(true, $this->email->isValid('firstname.lastname@domain.com'));
         $this->assertEquals(true, $this->email->isValid('email@subdomain.domain.com'));

tests/unit/Network/Validators/HostTest.php

@@ -12,16 +12,14 @@
  * @license The MIT License (MIT) <http://www.opensource.org/licenses/mit-license.php>
  */
 
-namespace Appwrite\Network\Validator;
+namespace Tests\Unit\Network\Validators;
 
+use Appwrite\Network\Validator\Host;
 use PHPUnit\Framework\TestCase;
 
 class HostTest extends TestCase
 {
-    /**
-     * @var Host
-     */
-    protected $host = null;
+    protected ?Host $host = null;
 
     public function setUp(): void
     {
@@ -33,7 +31,7 @@ class HostTest extends TestCase
         $this->host = null;
     }
 
-    public function testIsValid()
+    public function testIsValid(): void
     {
         // Assertions
         $this->assertEquals($this->host->isValid('https://appwrite.io/link'), true);

tests/unit/Network/Validators/IPTest.php

@@ -12,71 +12,76 @@
  * @license The MIT License (MIT) <http://www.opensource.org/licenses/mit-license.php>
  */
 
-namespace Appwrite\Network\Validator;
+namespace Tests\Unit\Network\Validators;
 
+use Appwrite\Network\Validator\IP;
 use PHPUnit\Framework\TestCase;
 
 class IPTest extends TestCase
 {
+    protected ?IP $validator;
+
+    public function setUp(): void
+    {
+        $this->validator = new IP();
+    }
+
     public function tearDown(): void
     {
         $this->validator = null;
     }
 
-    public function testIsValidIP()
+    public function testIsValidIP(): void
     {
-        $validator = new IP();
-
-        // Assertions
-        $this->assertEquals($validator->isValid('2001:0db8:85a3:08d3:1319:8a2e:0370:7334'), true);
-        $this->assertEquals($validator->isValid('109.67.204.101'), true);
-        $this->assertEquals($validator->isValid(23.5), false);
-        $this->assertEquals($validator->isValid('23.5'), false);
-        $this->assertEquals($validator->isValid(null), false);
-        $this->assertEquals($validator->isValid(true), false);
-        $this->assertEquals($validator->isValid(false), false);
-        $this->assertEquals($validator->getType(), 'string');
+        $this->assertEquals($this->validator->isValid('2001:0db8:85a3:08d3:1319:8a2e:0370:7334'), true);
+        $this->assertEquals($this->validator->isValid('109.67.204.101'), true);
+        $this->assertEquals($this->validator->isValid(23.5), false);
+        $this->assertEquals($this->validator->isValid('23.5'), false);
+        $this->assertEquals($this->validator->isValid(null), false);
+        $this->assertEquals($this->validator->isValid(true), false);
+        $this->assertEquals($this->validator->isValid(false), false);
+        $this->assertEquals($this->validator->getType(), 'string');
     }
 
-    public function testIsValidIPALL()
+    public function testIsValidIPALL(): void
     {
-        $validator = new IP(IP::ALL);
+        $this->validator = new IP(IP::ALL);
 
         // Assertions
-        $this->assertEquals($validator->isValid('2001:0db8:85a3:08d3:1319:8a2e:0370:7334'), true);
-        $this->assertEquals($validator->isValid('109.67.204.101'), true);
-        $this->assertEquals($validator->isValid(23.5), false);
-        $this->assertEquals($validator->isValid('23.5'), false);
-        $this->assertEquals($validator->isValid(null), false);
-        $this->assertEquals($validator->isValid(true), false);
-        $this->assertEquals($validator->isValid(false), false);
+        $this->assertEquals($this->validator->isValid('2001:0db8:85a3:08d3:1319:8a2e:0370:7334'), true);
+        $this->assertEquals($this->validator->isValid('109.67.204.101'), true);
+        $this->assertEquals($this->validator->isValid(23.5), false);
+        $this->assertEquals($this->validator->isValid('23.5'), false);
+        $this->assertEquals($this->validator->isValid(null), false);
+        $this->assertEquals($this->validator->isValid(true), false);
+        $this->assertEquals($this->validator->isValid(false), false);
     }
 
-    public function testIsValidIPV4()
+    public function testIsValidIPV4(): void
     {
-        $validator = new IP(IP::V4);
+        $this->validator = new IP(IP::V4);
 
         // Assertions
-        $this->assertEquals($validator->isValid('2001:0db8:85a3:08d3:1319:8a2e:0370:7334'), false);
-        $this->assertEquals($validator->isValid('109.67.204.101'), true);
-        $this->assertEquals($validator->isValid(23.5), false);
-        $this->assertEquals($validator->isValid('23.5'), false);
-        $this->assertEquals($validator->isValid(null), false);
-        $this->assertEquals($validator->isValid(true), false);
-        $this->assertEquals($validator->isValid(false), false);
+        $this->assertEquals($this->validator->isValid('2001:0db8:85a3:08d3:1319:8a2e:0370:7334'), false);
+        $this->assertEquals($this->validator->isValid('109.67.204.101'), true);
+        $this->assertEquals($this->validator->isValid(23.5), false);
+        $this->assertEquals($this->validator->isValid('23.5'), false);
+        $this->assertEquals($this->validator->isValid(null), false);
+        $this->assertEquals($this->validator->isValid(true), false);
+        $this->assertEquals($this->validator->isValid(false), false);
     }
 
-    public function testIsValidIPV6()
+    public function testIsValidIPV6(): void
     {
-        $validator = new IP(IP::V6);
+        $this->validator = new IP(IP::V6);
 
         // Assertions
-        $this->assertEquals($validator->isValid('2001:0db8:85a3:08d3:1319:8a2e:0370:7334'), true);
-        $this->assertEquals($validator->isValid('109.67.204.101'), false);
-        $this->assertEquals($validator->isValid(23.5), false);
-        $this->assertEquals($validator->isValid('23.5'), false);
-        $this->assertEquals($validator->isValid(null), false);
-        $this->assertEquals($validator->isValid(true), false);
-        $this->assertEquals($validator->isValid(false), false);
+        $this->assertEquals($this->validator->isValid('2001:0db8:85a3:08d3:1319:8a2e:0370:7334'), true);
+        $this->assertEquals($this->validator->isValid('109.67.204.101'), false);
+        $this->assertEquals($this->validator->isValid(23.5), false);
+        $this->assertEquals($this->validator->isValid('23.5'), false);
+        $this->assertEquals($this->validator->isValid(null), false);
+        $this->assertEquals($this->validator->isValid(true), false);
+        $this->assertEquals($this->validator->isValid(false), false);
     }
 }

tests/unit/Network/Validators/OriginTest.php

@@ -1,13 +1,13 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Network\Validators;
 
 use Appwrite\Network\Validator\Origin;
 use PHPUnit\Framework\TestCase;
 
 class OriginTest extends TestCase
 {
-    public function testValues()
+    public function testValues(): void
     {
         $validator = new Origin([
             [

tests/unit/Network/Validators/URLTest.php

@@ -12,8 +12,9 @@
  * @license The MIT License (MIT) <http://www.opensource.org/licenses/mit-license.php>
  */
 
-namespace Appwrite\Network\Validator;
+namespace Tests\Unit\Network\Validators;
 
+use Appwrite\Network\Validator\URL;
 use PHPUnit\Framework\TestCase;
 
 class URLTest extends TestCase

tests/unit/OpenSSL/OpenSSLTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\OpenSSL;
 
 use Appwrite\OpenSSL\OpenSSL;
 use PHPUnit\Framework\TestCase;
@@ -15,7 +15,7 @@ class OpenSSLTest extends TestCase
     {
     }
 
-    public function testEncryptionAndDecryption()
+    public function testEncryptionAndDecryption(): void
     {
         $key = 'my-secret-key';
         $iv = '';

tests/unit/Stats/StatsTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Stats;
 
 use Appwrite\Stats\Stats;
 use PHPUnit\Framework\TestCase;
@@ -28,13 +28,13 @@ class StatsTest extends TestCase
     {
     }
 
-    public function testNamespace()
+    public function testNamespace(): void
     {
         $this->object->setNamespace('appwritetest.usage');
         $this->assertEquals('appwritetest.usage', $this->object->getNamespace());
     }
 
-    public function testParams()
+    public function testParams(): void
     {
         $this->object
             ->setParam('projectId', 'appwrite_test')
@@ -50,7 +50,7 @@ class StatsTest extends TestCase
         $this->assertEquals(null, $this->object->getParam('networkRequestSize'));
     }
 
-    public function testReset()
+    public function testReset(): void
     {
         $this->object
             ->setParam('projectId', 'appwrite_test')

tests/unit/Task/Validator/CronTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Validator;
 
 use Appwrite\Task\Validator\Cron;
 use PHPUnit\Framework\TestCase;
@@ -21,7 +21,7 @@ class CronTest extends TestCase
     {
     }
 
-    public function testValues()
+    public function testValues(): void
     {
         $this->assertEquals($this->object->isValid('0 2 * * *'), true); // execute at 2am daily
         $this->assertEquals($this->object->isValid('0 5,17 * * *'), true); // execute twice a day

tests/unit/Template/TemplateTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Template;
 
 use Appwrite\Template\Template;
 use PHPUnit\Framework\TestCase;
@@ -24,12 +24,12 @@ class TemplateTest extends TestCase
     {
     }
 
-    public function testRender()
+    public function testRender(): void
     {
         $this->assertEquals($this->object->render(), 'Hello WORLD');
     }
 
-    public function testParseURL()
+    public function testParseURL(): void
     {
         $url = $this->object->parseURL('https://appwrite.io/demo');
 
@@ -38,7 +38,7 @@ class TemplateTest extends TestCase
         $this->assertEquals($url['path'], '/demo');
     }
 
-    public function testUnParseURL()
+    public function testUnParseURL(): void
     {
         $url = $this->object->parseURL('https://appwrite.io/demo');
 
@@ -49,18 +49,18 @@ class TemplateTest extends TestCase
         $this->assertEquals($this->object->unParseURL($url), 'http://example.com/new');
     }
 
-    public function testMergeQuery()
+    public function testMergeQuery(): void
     {
         $this->assertEquals($this->object->mergeQuery('key1=value1&key2=value2', ['key1' => 'value3', 'key4' => 'value4']), 'key1=value3&key2=value2&key4=value4');
     }
 
-    public function testFromCamelCaseToSnake()
+    public function testFromCamelCaseToSnake(): void
     {
         $this->assertEquals('app_write', Template::fromCamelCaseToSnake('appWrite'));
         $this->assertEquals('app_write', Template::fromCamelCaseToSnake('App Write'));
     }
 
-    public function testFromCamelCaseToDash()
+    public function testFromCamelCaseToDash(): void
     {
         $this->assertEquals('app-write', Template::fromCamelCaseToDash('appWrite'));
         $this->assertEquals('app-write', Template::fromCamelCaseToDash('App Write'));

tests/unit/URL/URLTest.php

@@ -1,13 +1,13 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\URL;
 
 use Appwrite\URL\URL;
 use PHPUnit\Framework\TestCase;
 
 class URLTest extends TestCase
 {
-    public function testParse()
+    public function testParse(): void
     {
         $url = URL::parse('https://appwrite.io:8080/path?query=string&param=value');
 
@@ -28,7 +28,7 @@ class URLTest extends TestCase
         $this->assertEquals('', $url['query']);
     }
 
-    public function testUnparse()
+    public function testUnparse(): void
     {
         $url = URL::unparse([
             'scheme' => 'https',
@@ -88,7 +88,7 @@ class URLTest extends TestCase
         $this->assertEquals('https://eldad:fux@appwrite.io/#bottom', $url);
     }
 
-    public function testParseQuery()
+    public function testParseQuery(): void
     {
         $result = URL::parseQuery('param1=value1&param2=value2');
 
@@ -96,7 +96,7 @@ class URLTest extends TestCase
         $this->assertEquals(['param1' => 'value1', 'param2' => 'value2'], $result);
     }
 
-    public function testUnParseQuery()
+    public function testUnParseQuery(): void
     {
         $result = URL::unparseQuery(['param1' => 'value1', 'param2' => 'value2']);
 

tests/unit/Utopia/Database/Validator/CustomIdTest.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Utopia\Database\Validator;
 
 use Appwrite\Utopia\Database\Validator\CustomId;
 use PHPUnit\Framework\TestCase;
@@ -21,7 +21,7 @@ class CustomIdTest extends TestCase
     {
     }
 
-    public function testValues()
+    public function testValues(): void
     {
         $this->assertEquals($this->object->isValid('unique()'), true);
         $this->assertEquals($this->object->isValid('unique)'), false);

tests/unit/Utopia/Lists.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Tests\Unit\Utopia;
+
+use Appwrite\Utopia\Response\Model;
+
+class Lists extends Model
+{
+    public function __construct()
+    {
+        $this
+            ->addRule('singles', [
+                'type' => 'single',
+                'default' => '',
+                'array' => true
+            ]);
+    }
+
+    public function getName(): string
+    {
+        return 'Lists';
+    }
+
+    public function getType(): string
+    {
+        return 'lists';
+    }
+}

tests/unit/Utopia/Nested.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Tests\Unit\Utopia;
+
+use Appwrite\Utopia\Response\Model;
+
+class Nested extends Model
+{
+    public function __construct()
+    {
+        $this
+            ->addRule('lists', [
+                'type' => 'lists',
+                'default' => '',
+            ])
+            ->addRule('single', [
+                'type' => 'single',
+                'default' => ''
+            ]);
+    }
+
+    public function getName(): string
+    {
+        return 'Nested';
+    }
+
+    public function getType(): string
+    {
+        return 'nested';
+    }
+}

tests/unit/Utopia/ResponseTest.php

@@ -1,33 +1,144 @@
 <?php
 
-namespace Appwrite\Tests;
+namespace Tests\Unit\Utopia;
 
+use Exception;
 use Appwrite\Utopia\Response;
 use Appwrite\Utopia\Response\Filters\V11;
 use PHPUnit\Framework\TestCase;
 use Swoole\Http\Response as SwooleResponse;
+use Utopia\Database\Document;
 
 class ResponseTest extends TestCase
 {
-    /**
-     * @var Response
-     */
-    protected $object = null;
+    protected ?Response $response = null;
 
     public function setUp(): void
     {
-        $this->object = new Response(new SwooleResponse());
+        $this->response = new Response(new SwooleResponse());
+        $this->response->setModel(new Single());
+        $this->response->setModel(new Lists());
+        $this->response->setModel(new Nested());
     }
 
-    public function testSetFilter()
+    public function testSetFilter(): void
     {
-        $this->assertEquals($this->object->hasFilter(), false);
-        $this->assertEquals($this->object->getFilter(), null);
+        $this->assertEquals($this->response->hasFilter(), false);
+        $this->assertEquals($this->response->getFilter(), null);
 
         $filter = new V11();
-        $this->object->setFilter($filter);
+        $this->response->setFilter($filter);
 
-        $this->assertEquals($this->object->hasFilter(), true);
-        $this->assertEquals($this->object->getFilter(), $filter);
+        $this->assertEquals($this->response->hasFilter(), true);
+        $this->assertEquals($this->response->getFilter(), $filter);
+    }
+
+    public function testResponseModel(): void
+    {
+        $output = $this->response->output(new Document([
+            'string' => 'lorem ipsum',
+            'integer' => 123,
+            'boolean' => true,
+            'hidden' => 'secret',
+        ]), 'single');
+
+        $this->assertArrayHasKey('string', $output);
+        $this->assertArrayHasKey('integer', $output);
+        $this->assertArrayHasKey('boolean', $output);
+        $this->assertArrayNotHasKey('hidden', $output);
+    }
+
+    public function testResponseModelRequired(): void
+    {
+        $output = $this->response->output(new Document([
+            'string' => 'lorem ipsum',
+            'integer' => 123,
+            'boolean' => true,
+        ]), 'single');
+
+        $this->assertArrayHasKey('string', $output);
+        $this->assertArrayHasKey('integer', $output);
+        $this->assertArrayHasKey('boolean', $output);
+        $this->assertArrayHasKey('required', $output);
+        $this->assertEquals('default', $output['required']);
+    }
+
+    public function testResponseModelRequiredException(): void
+    {
+        $this->expectException(Exception::class);
+        $this->response->output(new Document([
+            'integer' => 123,
+            'boolean' => true,
+        ]), 'single');
+    }
+
+    public function testResponseModelLists(): void
+    {
+        $output = $this->response->output(new Document([
+            'singles' => [
+                new Document([
+                    'string' => 'lorem ipsum',
+                    'integer' => 123,
+                    'boolean' => true,
+                    'hidden' => 'secret'
+                ])
+            ],
+            'hidden' => 'secret',
+        ]), 'lists');
+
+        $this->assertArrayHasKey('singles', $output);
+        $this->assertArrayNotHasKey('hidden', $output);
+        $this->assertCount(1, $output['singles']);
+
+        $single = $output['singles'][0];
+        $this->assertArrayHasKey('string', $single);
+        $this->assertArrayHasKey('integer', $single);
+        $this->assertArrayHasKey('boolean', $single);
+        $this->assertArrayHasKey('required', $single);
+        $this->assertArrayNotHasKey('hidden', $single);
+    }
+
+    public function testResponseModelNested(): void
+    {
+        $output = $this->response->output(new Document([
+            'lists' => new Document([
+                'singles' => [
+                    new Document([
+                        'string' => 'lorem ipsum',
+                        'integer' => 123,
+                        'boolean' => true,
+                        'hidden' => 'secret'
+                    ])
+                ],
+                'hidden' => 'secret',
+            ]),
+            'single' => new Document([
+                'string' => 'lorem ipsum',
+                'integer' => 123,
+                'boolean' => true,
+                'hidden' => 'secret'
+            ]),
+            'hidden' => 'secret',
+        ]), 'nested');
+
+        $this->assertArrayHasKey('lists', $output);
+        $this->assertArrayHasKey('single', $output);
+        $this->assertArrayNotHasKey('hidden', $output);
+        $this->assertCount(1, $output['lists']['singles']);
+
+
+        $single = $output['single'];
+        $this->assertArrayHasKey('string', $single);
+        $this->assertArrayHasKey('integer', $single);
+        $this->assertArrayHasKey('boolean', $single);
+        $this->assertArrayHasKey('required', $single);
+        $this->assertArrayNotHasKey('hidden', $single);
+
+        $singleFromArray = $output['lists']['singles'][0];
+        $this->assertArrayHasKey('string', $singleFromArray);
+        $this->assertArrayHasKey('integer', $singleFromArray);
+        $this->assertArrayHasKey('boolean', $singleFromArray);
+        $this->assertArrayHasKey('required', $single);
+        $this->assertArrayNotHasKey('hidden', $singleFromArray);
     }
 }

tests/unit/Utopia/Single.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Tests\Unit\Utopia;
+
+use Appwrite\Utopia\Response\Model;
+
+class Single extends Model
+{
+    public function __construct()
+    {
+        $this
+            ->addRule('string', [
+                'type' => self::TYPE_STRING,
+                'example' => '5e5ea5c16897e',
+                'required' => true
+            ])
+            ->addRule('integer', [
+                'type' => self::TYPE_INTEGER,
+                'default' => 0,
+                'example' => 1592981250,
+            ])
+            ->addRule('boolean', [
+                'type' => self::TYPE_BOOLEAN,
+                'default' => true,
+                'example' => true,
+            ])
+            ->addRule('required', [
+                'type' => self::TYPE_STRING,
+                'default' => 'default',
+                'required' => true
+            ]);
+    }
+
+    public function getName(): string
+    {
+        return 'Single';
+    }
+
+    public function getType(): string
+    {
+        return 'single';
+    }
+}