chore: env

feat: add '--only-covered' option to '--coverage'

.github/workflows/static.yml

@@ -2,9 +2,14 @@ name: Static Analysis
 
 on:
   push:
+    branches: [4.x]
   pull_request:
   schedule:
-    - cron: '0 0 * * *'
+    - cron: '0 9 * * *'
+
+concurrency:
+  group: static-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 
 jobs:
   static:
@@ -12,6 +17,7 @@ jobs:
     name: Static Tests
 
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     strategy:
       fail-fast: true
       matrix:
@@ -19,7 +25,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
@@ -29,8 +35,22 @@ jobs:
         coverage: none
         extensions: sockets
 
+    - name: Get Composer cache directory
+      id: composer-cache
+      shell: bash
+      run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+
+    - name: Cache Composer dependencies
+      uses: actions/cache@v5
+      with:
+        path: ${{ steps.composer-cache.outputs.dir }}
+        key: static-php-8.3-${{ matrix.dependency-version }}-composer-${{ hashFiles('**/composer.json') }}
+        restore-keys: |
+          static-php-8.3-${{ matrix.dependency-version }}-composer-
+          static-php-8.3-composer-
+
     - name: Install Dependencies
-      run: composer update --prefer-stable --no-interaction --no-progress --ansi
+      run: composer update --${{ matrix.dependency-version }} --no-interaction --no-progress --ansi
 
     - name: Profanity Check
       run: composer test:profanity
@@ -41,8 +61,5 @@ jobs:
     - name: Type Coverage
       run: composer test:type:coverage
 
-    - name: Refacto
-      run: composer test:refacto
-
     - name: Style
       run: composer test:lint

.github/workflows/tests.yml

@@ -2,26 +2,37 @@ name: Tests
 
 on:
   push:
+    branches: [4.x]
   pull_request:
+  schedule:
+    - cron: '0 9 * * *'
+
+concurrency:
+  group: tests-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
 
 jobs:
   tests:
     if: github.event_name != 'schedule' || github.repository == 'pestphp/pest'
 
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 15
     strategy:
       fail-fast: true
       matrix:
         os: [ubuntu-latest, macos-latest] # windows-latest
-        symfony: ['7.3']
+        symfony: ['7.4', '8.0']
         php: ['8.3', '8.4', '8.5']
         dependency_version: [prefer-stable]
+        exclude:
+          - php: '8.3'
+            symfony: '8.0'
 
     name: PHP ${{ matrix.php }} - Symfony ^${{ matrix.symfony }} - ${{ matrix.os }} - ${{ matrix.dependency_version }}
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2
@@ -31,6 +42,20 @@ jobs:
         coverage: none
         extensions: sockets
 
+    - name: Get Composer cache directory
+      id: composer-cache
+      shell: bash
+      run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+
+    - name: Cache Composer dependencies
+      uses: actions/cache@v5
+      with:
+        path: ${{ steps.composer-cache.outputs.dir }}
+        key: ${{ matrix.os }}-php-${{ matrix.php }}-symfony-${{ matrix.symfony }}-composer-${{ hashFiles('**/composer.json') }}
+        restore-keys: |
+          ${{ matrix.os }}-php-${{ matrix.php }}-symfony-${{ matrix.symfony }}-composer-
+          ${{ matrix.os }}-php-${{ matrix.php }}-composer-
+
     - name: Setup Problem Matches
       run: |
         echo "::add-matcher::${{ runner.tool_cache }}/php.json"

Makefile

@@ -1,14 +0,0 @@
-# Well documented Makefiles
-DEFAULT_GOAL := help
-help:
-	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[a-zA-Z0-9_-]+:.*?##/ { printf "  \033[36m%-40s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
-
-build: ## Build all docker images. Specify the command e.g. via make build ARGS="--build-arg PHP=8.2"
-	docker compose build $(ARGS)
-
-##@ [Application]
-install: ## Install the composer dependencies
-	docker compose run --rm composer install
-
-test: ## Run the tests
-	docker compose run --rm composer test

README.md

@@ -5,6 +5,7 @@
         <a href="https://packagist.org/packages/pestphp/pest"><img alt="Total Downloads" src="https://img.shields.io/packagist/dt/pestphp/pest"></a>
         <a href="https://packagist.org/packages/pestphp/pest"><img alt="Latest Version" src="https://img.shields.io/packagist/v/pestphp/pest"></a>
         <a href="https://packagist.org/packages/pestphp/pest"><img alt="License" src="https://img.shields.io/packagist/l/pestphp/pest"></a>
+        <a href="https://whyphp.dev"><img src="https://img.shields.io/badge/Why_PHP-in_2026-7A86E8?style=flat-square&labelColor=18181b" alt="Why PHP in 2026"></a>
     </p>
 </p>
 
@@ -30,25 +31,23 @@ We cannot thank our sponsors enough for their incredible support in funding Pest
 
 ### Platinum Sponsors
 
-- **[Laracasts](https://laracasts.com/?ref=pestphp)**
-- **[NativePHP](https://nativephp.com/mobile?ref=pestphp.com)**
+- **[CodeRabbit](https://coderabbit.ai/?ref=pestphp)**
+- **[Mailtrap](https://l.rw.rw/pestphp)**
+- **[SerpApi](https://serpapi.com/?ref=nunomaduro)**
+- **[Tighten](https://tighten.com/?ref=nunomaduro)**
+- **[Redberry](https://redberry.international/laravel-development/?utm_source=pest&utm_medium=banner&utm_campaign=pest_sponsorship)**
 
 ### Gold Sponsors
 
-- **[CodeRabbit](https://coderabbit.ai/?ref=pestphp)**
 - **[CMS Max](https://cmsmax.com/?ref=pestphp)**
 
 ### Premium Sponsors
 
-- [Forge](https://forge.laravel.com/?ref=pestphp)
-- [Zapiet](https://www.zapiet.com/?ref=pestphp)
-- [Localazy](https://localazy.com/?ref=pestphp)
+- [Zapiet](https://zapiet.com/?ref=pestphp)
 - [Load Forge](https://loadforge.com/?ref=pestphp)
-- [DocuWriter.ai](https://www.docuwriter.ai/?ref=pestphp)
-- [Route4Me](https://www.route4me.com/?ref=pestphp)
-- [Devtools for Livewire](https://devtools-for-livewire.com/?ref=pestphp)
-- [Nerdify](https://www.getnerdify.com/?ref=pestphp)
+- [Route4Me](https://route4me.com/pt?ref=pestphp)
+- [Nerdify](https://getnerdify.com/?ref=pestphp)
 - [Akaunting](https://akaunting.com/?ref=pestphp)
-- [LambdaTest](https://lambdatest.com/?ref=pestphp)
+- [TestMu AI](https://www.testmuai.com/?utm_medium=sponsor&utm_source=pest)
 
 Pest is an open-sourced software licensed under the **[MIT license](https://opensource.org/licenses/MIT)**.

composer.json

@@ -18,19 +18,19 @@
     ],
     "require": {
         "php": "^8.3.0",
-        "brianium/paratest": "^7.14.2",
-        "nunomaduro/collision": "^8.8.3",
-        "nunomaduro/termwind": "^2.3.3",
+        "brianium/paratest": "^7.20.0",
+        "nunomaduro/collision": "^8.9.3",
+        "nunomaduro/termwind": "^2.4.0",
         "pestphp/pest-plugin": "^4.0.0",
         "pestphp/pest-plugin-arch": "^4.0.0",
         "pestphp/pest-plugin-mutate": "^4.0.1",
-        "pestphp/pest-plugin-profanity": "^4.2.0",
-        "phpunit/phpunit": "^12.4.4",
-        "symfony/process": "^7.4.0|^8.0.0"
+        "pestphp/pest-plugin-profanity": "^4.2.1",
+        "phpunit/phpunit": "^12.5.16",
+        "symfony/process": "^7.4.8|^8.0.8"
     },
     "conflict": {
         "filp/whoops": "<2.18.3",
-        "phpunit/phpunit": ">12.4.4",
+        "phpunit/phpunit": ">12.5.16",
         "sebastian/exporter": "<7.0.0",
         "webmozart/assert": "<1.11.0"
     },
@@ -55,10 +55,10 @@
         ]
     },
     "require-dev": {
-        "pestphp/pest-dev-tools": "^4.0.0",
-        "pestphp/pest-plugin-browser": "^4.1.1",
-        "pestphp/pest-plugin-type-coverage": "^4.0.3",
-        "psy/psysh": "^0.12.15"
+        "pestphp/pest-dev-tools": "^4.1.0",
+        "pestphp/pest-plugin-browser": "^4.3.1",
+        "pestphp/pest-plugin-type-coverage": "^4.0.4",
+        "psy/psysh": "^0.12.22"
     },
     "minimum-stability": "dev",
     "prefer-stable": true,
@@ -73,10 +73,14 @@
         "bin/pest"
     ],
     "scripts": {
-        "refacto": "rector",
-        "lint": "pint --parallel",
-        "test:refacto": "rector --dry-run",
-        "test:lint": "pint --parallel --test",
+        "lint": [
+            "rector",
+            "pint --parallel"
+        ],
+        "test:lint": [
+            "rector --dry-run",
+            "pint --parallel --test"
+        ],
         "test:profanity": "php bin/pest --profanity --compact",
         "test:type:check": "phpstan analyse --ansi --memory-limit=-1 --debug",
         "test:type:coverage": "php -d memory_limit=-1  bin/pest --type-coverage --min=100",
@@ -86,7 +90,6 @@
         "test:integration": "php bin/pest --group=integration -v",
         "update:snapshots": "REBUILD_SNAPSHOTS=true php bin/pest --update-snapshots",
         "test": [
-            "@test:refacto",
             "@test:lint",
             "@test:type:check",
             "@test:type:coverage",

docker-compose.yml

@@ -1,14 +0,0 @@
-version: "3.8"
-
-services:
-  php:
-    build:
-      context: ./docker
-    volumes:
-      - .:/var/www/html
-  composer:
-    build:
-      context: ./docker
-    volumes:
-      - .:/var/www/html
-    entrypoint: ["composer"]

overrides/Logging/JUnit/JunitXmlLogger.php

@@ -14,6 +14,9 @@ namespace PHPUnit\Logging\JUnit;
 
 use DOMDocument;
 use DOMElement;
+use Pest\Logging\Converter;
+use Pest\Support\Container;
+use Pest\TestSuite;
 use PHPUnit\Event\Code\Test;
 use PHPUnit\Event\Code\TestMethod;
 use PHPUnit\Event\EventFacadeIsSealedException;
@@ -50,7 +53,7 @@ final class JunitXmlLogger
 {
     private readonly Printer $printer;
 
-    private readonly \Pest\Logging\Converter $converter; // pest-added
+    private readonly Converter $converter; // pest-added
 
     private DOMDocument $document;
 
@@ -108,7 +111,7 @@ final class JunitXmlLogger
     public function __construct(Printer $printer, Facade $facade)
     {
         $this->printer = $printer;
-        $this->converter = new \Pest\Logging\Converter(\Pest\Support\Container::getInstance()->get(\Pest\TestSuite::class)->rootPath); // pest-added
+        $this->converter = new Converter(Container::getInstance()->get(TestSuite::class)->rootPath); // pest-added
 
         $this->registerSubscribers($facade);
         $this->createDocument();

rector.php

@@ -2,8 +2,9 @@
 
 declare(strict_types=1);
 
-use Rector\CodingStyle\Rector\FunctionLike\FunctionLikeToFirstClassCallableRector;
+use Rector\CodingStyle\Rector\ArrowFunction\ArrowFunctionDelegatingCallToFirstClassCallableRector;
 use Rector\Config\RectorConfig;
+use Rector\DeadCode\Rector\ClassMethod\RemoveParentDelegatingConstructorRector;
 use Rector\TypeDeclaration\Rector\ClassMethod\NarrowObjectReturnTypeRector;
 use Rector\TypeDeclaration\Rector\ClassMethod\ReturnNeverTypeRector;
 
@@ -14,8 +15,9 @@ return RectorConfig::configure()
     ->withSkip([
         __DIR__.'/src/Plugins/Parallel/Paratest/WrapperRunner.php',
         ReturnNeverTypeRector::class,
-        FunctionLikeToFirstClassCallableRector::class,
+        ArrowFunctionDelegatingCallToFirstClassCallableRector::class,
         NarrowObjectReturnTypeRector::class,
+        RemoveParentDelegatingConstructorRector::class,
     ])
     ->withPreparedSets(
         deadCode: true,

src/ArchPresets/Laravel.php

@@ -69,6 +69,7 @@ final class Laravel extends AbstractPreset
             ->toHaveSuffix('Request');
 
         $this->expectations[] = expect('App\Http\Requests')
+            ->classes()
             ->toExtend('Illuminate\Foundation\Http\FormRequest');
 
         $this->expectations[] = expect('App\Http\Requests')
@@ -118,6 +119,7 @@ final class Laravel extends AbstractPreset
             ->toHaveMethod('handle');
 
         $this->expectations[] = expect('App\Notifications')
+            ->classes()
             ->toExtend('Illuminate\Notifications\Notification');
 
         $this->expectations[] = expect('App')
@@ -128,6 +130,7 @@ final class Laravel extends AbstractPreset
             ->toHaveSuffix('ServiceProvider');
 
         $this->expectations[] = expect('App\Providers')
+            ->classes()
             ->toExtend('Illuminate\Support\ServiceProvider');
 
         $this->expectations[] = expect('App\Providers')
@@ -150,7 +153,7 @@ final class Laravel extends AbstractPreset
             ->toHaveSuffix('Controller');
 
         $this->expectations[] = expect('App\Http')
-            ->toOnlyBeUsedIn('App\Http');
+            ->toOnlyBeUsedIn(['App\Http', 'App\Providers']);
 
         $this->expectations[] = expect('App\Http\Controllers')
             ->not->toHavePublicMethodsBesides(['__construct', '__invoke', 'index', 'show', 'create', 'store', 'edit', 'update', 'destroy', 'middleware']);
@@ -173,5 +176,9 @@ final class Laravel extends AbstractPreset
             ->toImplement('Illuminate\Contracts\Container\ContextualAttribute')
             ->toHaveAttribute('Attribute')
             ->toHaveMethod('resolve');
+
+        $this->expectations[] = expect('App\Rules')
+            ->classes()
+            ->toImplement('Illuminate\Contracts\Validation\ValidationRule');
     }
 }

src/ArchPresets/Php.php

@@ -4,9 +4,6 @@ declare(strict_types=1);
 
 namespace Pest\ArchPresets;
 
-use Pest\Arch\Contracts\ArchExpectation;
-use Pest\Expectation;
-
 /**
  * @internal
  */
@@ -92,9 +89,5 @@ final class Php extends AbstractPreset
             'xdebug_var_dump',
             'trap',
         ])->not->toBeUsed();
-
-        $this->eachUserNamespace(
-            fn (Expectation $namespace): ArchExpectation => $namespace->not->toHaveSuspiciousCharacters(),
-        );
     }
 }

src/Concerns/Extendable.php

@@ -8,6 +8,8 @@ use Closure;
 
 /**
  * @internal
+ *
+ * @template T of object
  */
 trait Extendable
 {
@@ -20,6 +22,8 @@ trait Extendable
 
     /**
      * Register a new extend.
+     *
+     * @param-closure-this T $extend
      */
     public function extend(string $name, Closure $extend): void
     {

src/Concerns/Pipeable.php

@@ -66,6 +66,6 @@ trait Pipeable
      */
     private function pipes(string $name, object $context, string $scope): array
     {
-        return array_map(fn (Closure $pipe): \Closure => $pipe->bindTo($context, $scope), self::$pipes[$name] ?? []);
+        return array_map(fn (Closure $pipe): Closure => $pipe->bindTo($context, $scope), self::$pipes[$name] ?? []);
     }
 }

src/Concerns/Testable.php

@@ -129,7 +129,7 @@ trait Testable
      */
     public function __addBeforeAll(?Closure $hook): void
     {
-        if (! $hook instanceof \Closure) {
+        if (! $hook instanceof Closure) {
             return;
         }
 
@@ -143,7 +143,7 @@ trait Testable
      */
     public function __addAfterAll(?Closure $hook): void
     {
-        if (! $hook instanceof \Closure) {
+        if (! $hook instanceof Closure) {
             return;
         }
 
@@ -173,7 +173,7 @@ trait Testable
      */
     private function __addHook(string $property, ?Closure $hook): void
     {
-        if (! $hook instanceof \Closure) {
+        if (! $hook instanceof Closure) {
             return;
         }
 

src/Configuration.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace Pest;
 
+use Pest\PendingCalls\BeforeEachCall;
 use Pest\PendingCalls\UsesCall;
 
 /**
@@ -62,6 +63,14 @@ final readonly class Configuration
         return (new UsesCall($this->filename, []))->group(...$groups);
     }
 
+    /**
+     * Marks all tests in the current file to be run exclusively.
+     */
+    public function only(): void
+    {
+        (new BeforeEachCall(TestSuite::getInstance(), $this->filename))->only();
+    }
+
     /**
      * Depending on where is called, it will extend the given classes and traits globally or locally.
      */

src/Expectation.php

@@ -18,6 +18,7 @@ use Pest\Arch\Expectations\ToOnlyUse;
 use Pest\Arch\Expectations\ToUse;
 use Pest\Arch\Expectations\ToUseNothing;
 use Pest\Arch\PendingArchExpectation;
+use Pest\Arch\Support\Composer;
 use Pest\Arch\Support\FileLineFinder;
 use Pest\Concerns\Extendable;
 use Pest\Concerns\Pipeable;
@@ -52,7 +53,9 @@ use ReflectionProperty;
  */
 final class Expectation
 {
+    /** @use Extendable<self<TValue>> */
     use Extendable;
+
     use Pipeable;
     use Retrievable;
 
@@ -134,7 +137,7 @@ final class Expectation
     /**
      * Dump the expectation value when the result of the condition is truthy.
      *
-     * @param  (\Closure(TValue): bool)|bool  $condition
+     * @param  (Closure(TValue): bool)|bool  $condition
      * @return self<TValue>
      */
     public function ddWhen(Closure|bool $condition, mixed ...$arguments): Expectation
@@ -151,7 +154,7 @@ final class Expectation
     /**
      * Dump the expectation value when the result of the condition is falsy.
      *
-     * @param  (\Closure(TValue): bool)|bool  $condition
+     * @param  (Closure(TValue): bool)|bool  $condition
      * @return self<TValue>
      */
     public function ddUnless(Closure|bool $condition, mixed ...$arguments): Expectation
@@ -667,6 +670,41 @@ final class Expectation
         throw InvalidExpectation::fromMethods(['toHavePrivateMethods']);
     }
 
+    /**
+     * Asserts that the given expectation target is cased correctly.
+     */
+    public function toBeCasedCorrectly(): ArchExpectation
+    {
+        return Targeted::make(
+            $this,
+            function (ObjectDescription $object): bool {
+                if (! isset($object->reflectionClass)) {
+                    return false;
+                }
+
+                $realPath = realpath($object->path);
+
+                if ($realPath === false) {
+                    return false;
+                }
+
+                foreach (Composer::userNamespacesWithDirectories() as $directory => $namespace) {
+                    if (str_starts_with($realPath, $directory)) {
+                        $relativePath = substr($realPath, strlen($directory) + 1);
+                        $relativePath = explode('.', $relativePath)[0];
+                        $classFromPath = $namespace.'\\'.str_replace(DIRECTORY_SEPARATOR, '\\', $relativePath);
+
+                        return $classFromPath === $object->reflectionClass->getName();
+                    }
+                }
+
+                return false;
+            },
+            'to be cased correctly',
+            FileLineFinder::where(fn (string $line): bool => str_contains($line, 'class')),
+        );
+    }
+
     /**
      * Asserts that the given expectation target is enum.
      */
@@ -781,7 +819,22 @@ final class Expectation
                         return false;
                     }
 
-                    if (! in_array($trait, $object->reflectionClass->getTraitNames(), true)) {
+                    $currentClass = $object->reflectionClass;
+                    $usedTraits = [];
+
+                    do {
+                        $classTraits = $currentClass->getTraits();
+                        foreach ($classTraits as $traitReflection) {
+                            $usedTraits[$traitReflection->getName()] = $traitReflection->getName();
+
+                            $nestedTraits = $traitReflection->getTraits();
+                            foreach ($nestedTraits as $nestedTrait) {
+                                $usedTraits[$nestedTrait->getName()] = $nestedTrait->getName();
+                            }
+                        }
+                    } while ($currentClass = $currentClass->getParentClass());
+
+                    if (! array_key_exists($trait, $usedTraits)) {
                         return false;
                     }
                 }

src/Expectations/OppositeExpectation.php

@@ -15,6 +15,7 @@ use Pest\Arch\PendingArchExpectation;
 use Pest\Arch\SingleArchExpectation;
 use Pest\Arch\Support\FileLineFinder;
 use Pest\Exceptions\InvalidExpectation;
+use Pest\Exceptions\MissingDependency;
 use Pest\Expectation;
 use Pest\Support\Arr;
 use Pest\Support\Exporter;
@@ -284,6 +285,10 @@ final readonly class OppositeExpectation
      */
     public function toHaveSuspiciousCharacters(): ArchExpectation
     {
+        if (! class_exists(Spoofchecker::class)) {
+            throw new MissingDependency(__FUNCTION__, 'ext-intl >= 2.0');
+        }
+
         $checker = new Spoofchecker;
 
         /** @var Expectation<array<int, string>|string> $original */

src/Factories/TestCaseFactory.php

@@ -17,6 +17,7 @@ use Pest\Factories\Concerns\HigherOrderable;
 use Pest\Support\Reflection;
 use Pest\Support\Str;
 use Pest\TestSuite;
+use PHPUnit\Framework\Attributes\TestDox;
 use PHPUnit\Framework\TestCase;
 use RuntimeException;
 
@@ -58,6 +59,11 @@ final class TestCaseFactory
         Concerns\Expectable::class,
     ];
 
+    /**
+     * The namespace for the test case, overrides the path-based namespace when set.
+     */
+    public ?string $namespace = null;
+
     /**
      * Creates a new Factory instance.
      */
@@ -110,8 +116,8 @@ final class TestCaseFactory
         $relativePath = (string) preg_replace('|%[a-fA-F0-9][a-fA-F0-9]|', '', $relativePath);
         // Remove escaped quote sequences (maintain namespace)
         $relativePath = str_replace(array_map(fn (string $quote): string => sprintf('\\%s', $quote), ['\'', '"']), '', $relativePath);
-        // Limit to A-Z, a-z, 0-9, '_', '-'.
-        $relativePath = (string) preg_replace('/[^A-Za-z0-9\\\\]/', '', $relativePath);
+        // Limit to Unicode letters and numbers.
+        $relativePath = (string) preg_replace('/[^\p{L}\p{N}\\\\]/u', '', $relativePath);
 
         $classFQN = 'P\\'.$relativePath;
 
@@ -126,7 +132,7 @@ final class TestCaseFactory
 
         $partsFQN = explode('\\', $classFQN);
         $className = array_pop($partsFQN);
-        $namespace = implode('\\', $partsFQN);
+        $namespace = $this->namespace ?? implode('\\', $partsFQN);
         $baseClass = sprintf('\%s', $this->class);
 
         if (trim($className) === '') {
@@ -135,7 +141,7 @@ final class TestCaseFactory
 
         $this->attributes = [
             new Attribute(
-                \PHPUnit\Framework\Attributes\TestDox::class,
+                TestDox::class,
                 [$this->filename],
             ),
             ...$this->attributes,

src/Factories/TestCaseMethodFactory.php

@@ -9,10 +9,14 @@ use Pest\Evaluators\Attributes;
 use Pest\Exceptions\ShouldNotHappen;
 use Pest\Factories\Concerns\HigherOrderable;
 use Pest\Repositories\DatasetsRepository;
+use Pest\Support\Description;
 use Pest\Support\Str;
 use Pest\TestSuite;
 use PHPUnit\Framework\Assert;
 use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\Depends;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\Attributes\TestDox;
 use PHPUnit\Framework\TestCase;
 
 /**
@@ -32,7 +36,7 @@ final class TestCaseMethodFactory
     /**
      * The test's describing, if any.
      *
-     * @var array<int, \Pest\Support\Description>
+     * @var array<int, Description>
      */
     public array $describing = [];
 
@@ -192,11 +196,11 @@ final class TestCaseMethodFactory
 
         $this->attributes = [
             new Attribute(
-                \PHPUnit\Framework\Attributes\Test::class,
+                Test::class,
                 [],
             ),
             new Attribute(
-                \PHPUnit\Framework\Attributes\TestDox::class,
+                TestDox::class,
                 [str_replace('*/', '{@*}', $this->description)],
             ),
             ...$this->attributes,
@@ -206,7 +210,7 @@ final class TestCaseMethodFactory
             $depend = Str::evaluable($this->describing === [] ? $depend : Str::describe($this->describing, $depend));
 
             $this->attributes[] = new Attribute(
-                \PHPUnit\Framework\Attributes\Depends::class,
+                Depends::class,
                 [$depend],
             );
         }

src/Functions.php

@@ -140,7 +140,7 @@ if (! function_exists('test')) {
      */
     function test(?string $description = null, ?Closure $closure = null): HigherOrderTapProxy|TestCall
     {
-        if ($description === null && TestSuite::getInstance()->test instanceof \PHPUnit\Framework\TestCase) {
+        if ($description === null && TestSuite::getInstance()->test instanceof TestCase) {
             return new HigherOrderTapProxy(TestSuite::getInstance()->test);
         }
 
@@ -236,7 +236,7 @@ if (! function_exists('covers')) {
 
         /** @var MutationTestRunner $runner */
         $runner = Container::getInstance()->get(MutationTestRunner::class);
-        /** @var \Pest\Mutate\Repositories\ConfigurationRepository $configurationRepository */
+        /** @var ConfigurationRepository $configurationRepository */
         $configurationRepository = Container::getInstance()->get(ConfigurationRepository::class);
         $everything = $configurationRepository->cliConfiguration->toArray()['everything'] ?? false;
         $classes = $configurationRepository->cliConfiguration->toArray()['classes'] ?? false;
@@ -263,7 +263,7 @@ if (! function_exists('mutates')) {
 
         /** @var MutationTestRunner $runner */
         $runner = Container::getInstance()->get(MutationTestRunner::class);
-        /** @var \Pest\Mutate\Repositories\ConfigurationRepository $configurationRepository */
+        /** @var ConfigurationRepository $configurationRepository */
         $configurationRepository = Container::getInstance()->get(ConfigurationRepository::class);
         $everything = $configurationRepository->cliConfiguration->toArray()['everything'] ?? false;
         $classes = $configurationRepository->cliConfiguration->toArray()['classes'] ?? false;
@@ -320,7 +320,7 @@ if (! function_exists('visit')) {
      */
     function visit(array|string $url, array $options = []): ArrayablePendingAwaitablePage|PendingAwaitablePage
     {
-        if (! class_exists(\Pest\Browser\Configuration::class)) {
+        if (! class_exists(Pest\Browser\Configuration::class)) {
             PluginBrowser::install();
 
             exit(0);

src/Logging/Converter.php

@@ -151,7 +151,7 @@ final readonly class Converter
     {
         if ($testSuite instanceof TestSuiteForTestMethodWithDataProvider) {
             $firstTest = $this->getFirstTest($testSuite);
-            if ($firstTest instanceof \PHPUnit\Event\Code\TestMethod) {
+            if ($firstTest instanceof TestMethod) {
                 return $this->getTestMethodNameWithoutDatasetSuffix($firstTest);
             }
         }
@@ -179,7 +179,7 @@ final readonly class Converter
     public function getTestSuiteLocation(TestSuite $testSuite): ?string
     {
         $firstTest = $this->getFirstTest($testSuite);
-        if (! $firstTest instanceof \PHPUnit\Event\Code\TestMethod) {
+        if (! $firstTest instanceof TestMethod) {
             return null;
         }
         $path = $firstTest->testDox()->prettifiedClassName();

src/Logging/TeamCity/TeamCityLogger.php

@@ -200,7 +200,7 @@ final class TeamCityLogger
 
     public function testFinished(Finished $event): void
     {
-        if (! $this->time instanceof \PHPUnit\Event\Telemetry\HRTime) {
+        if (! $this->time instanceof HRTime) {
             throw ShouldNotHappen::fromMessage('Start time has not been set.');
         }
 

src/Mixins/Expectation.php

@@ -9,6 +9,7 @@ use Closure;
 use Countable;
 use DateTimeInterface;
 use Error;
+use Illuminate\Testing\TestResponse;
 use InvalidArgumentException;
 use JsonSerializable;
 use Pest\Exceptions\InvalidExpectationValue;
@@ -842,7 +843,7 @@ final class Expectation
             is_object($this->value) && method_exists($this->value, 'toSnapshot') => $this->value->toSnapshot(),
             is_object($this->value) && method_exists($this->value, '__toString') => $this->value->__toString(),
             is_object($this->value) && method_exists($this->value, 'toString') => $this->value->toString(),
-            $this->value instanceof \Illuminate\Testing\TestResponse => $this->value->getContent(), // @phpstan-ignore-line
+            $this->value instanceof TestResponse => $this->value->getContent(), // @phpstan-ignore-line
             is_array($this->value) => json_encode($this->value, JSON_THROW_ON_ERROR | JSON_PRETTY_PRINT),
             $this->value instanceof Traversable => json_encode(iterator_to_array($this->value), JSON_THROW_ON_ERROR | JSON_PRETTY_PRINT),
             $this->value instanceof JsonSerializable => json_encode($this->value->jsonSerialize(), JSON_THROW_ON_ERROR | JSON_PRETTY_PRINT),
@@ -983,7 +984,7 @@ final class Expectation
      */
     private function export(mixed $value): string
     {
-        if (! $this->exporter instanceof \Pest\Support\Exporter) {
+        if (! $this->exporter instanceof Exporter) {
             $this->exporter = Exporter::default();
         }
 

src/PendingCalls/Concerns/Describable.php

@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 namespace Pest\PendingCalls\Concerns;
 
+use Pest\Support\Description;
+
 /**
  * @internal
  */
@@ -12,14 +14,14 @@ trait Describable
     /**
      * Note: this is property is not used; however, it gets added automatically by rector php.
      *
-     * @var array<int, \Pest\Support\Description>
+     * @var array<int, Description>
      */
     public array $__describing;
 
     /**
      * The describing of the test case.
      *
-     * @var array<int, \Pest\Support\Description>
+     * @var array<int, Description>
      */
     public array $describing = [];
 }

src/PendingCalls/DescribeCall.php

@@ -73,7 +73,7 @@ final class DescribeCall
     {
         $filename = Backtrace::file();
 
-        if (! $this->currentBeforeEachCall instanceof \Pest\PendingCalls\BeforeEachCall) {
+        if (! $this->currentBeforeEachCall instanceof BeforeEachCall) {
             $this->currentBeforeEachCall = new BeforeEachCall(TestSuite::getInstance(), $filename);
 
             $this->currentBeforeEachCall->describing[] = $this->description;

src/PendingCalls/TestCall.php

@@ -22,6 +22,10 @@ use Pest\Support\NullClosure;
 use Pest\Support\Str;
 use Pest\TestSuite;
 use PHPUnit\Framework\AssertionFailedError;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\CoversFunction;
+use PHPUnit\Framework\Attributes\CoversTrait;
+use PHPUnit\Framework\Attributes\Group;
 use PHPUnit\Framework\TestCase;
 
 /**
@@ -211,7 +215,7 @@ final class TestCall // @phpstan-ignore-line
     {
         foreach ($groups as $group) {
             $this->testCaseMethod->attributes[] = new Attribute(
-                \PHPUnit\Framework\Attributes\Group::class,
+                Group::class,
                 [$group],
             );
         }
@@ -604,7 +608,7 @@ final class TestCall // @phpstan-ignore-line
     {
         foreach ($classes as $class) {
             $this->testCaseFactoryAttributes[] = new Attribute(
-                \PHPUnit\Framework\Attributes\CoversClass::class,
+                CoversClass::class,
                 [$class],
             );
         }
@@ -627,7 +631,7 @@ final class TestCall // @phpstan-ignore-line
     {
         foreach ($traits as $trait) {
             $this->testCaseFactoryAttributes[] = new Attribute(
-                \PHPUnit\Framework\Attributes\CoversTrait::class,
+                CoversTrait::class,
                 [$trait],
             );
         }
@@ -650,7 +654,7 @@ final class TestCall // @phpstan-ignore-line
     {
         foreach ($functions as $function) {
             $this->testCaseFactoryAttributes[] = new Attribute(
-                \PHPUnit\Framework\Attributes\CoversFunction::class,
+                CoversFunction::class,
                 [$function],
             );
         }

src/Pest.php

@@ -6,7 +6,7 @@ namespace Pest;
 
 function version(): string
 {
-    return '4.1.6';
+    return '4.4.4';
 }
 
 function testDirectory(string $file = ''): string

src/Plugins/Concerns/HandleArguments.php

@@ -56,4 +56,31 @@ trait HandleArguments
 
         return array_values(array_flip($arguments));
     }
+
+    /**
+     * Pops the given argument and its value from the arguments, returning the value.
+     *
+     * @param  array<int, string>  $arguments
+     */
+    public function popArgumentValue(string $argument, array &$arguments): ?string
+    {
+        foreach ($arguments as $key => $value) {
+            if (str_contains($value, "$argument=")) {
+                unset($arguments[$key]);
+                $arguments = array_values($arguments);
+
+                return substr($value, strlen($argument) + 1);
+            }
+
+            if ($value === $argument && isset($arguments[$key + 1])) {
+                $result = $arguments[$key + 1];
+                unset($arguments[$key], $arguments[$key + 1]);
+                $arguments = array_values($arguments);
+
+                return $result;
+            }
+        }
+
+        return null;
+    }
 }

src/Plugins/Coverage.php

@@ -23,6 +23,8 @@ final class Coverage implements AddsOutput, HandlesArguments
 
     private const string EXACTLY_OPTION = 'exactly';
 
+    private const string ONLY_COVERED_OPTION = 'only-covered';
+
     /**
      * Whether it should show the coverage or not.
      */
@@ -43,6 +45,11 @@ final class Coverage implements AddsOutput, HandlesArguments
      */
     public ?float $coverageExactly = null;
 
+    /**
+     * Whether it should show only covered files.
+     */
+    public bool $showOnlyCovered = false;
+
     /**
      * Creates a new Plugin instance.
      */
@@ -57,7 +64,7 @@ final class Coverage implements AddsOutput, HandlesArguments
     public function handleArguments(array $originals): array
     {
         $arguments = [...[''], ...array_values(array_filter($originals, function (string $original): bool {
-            foreach ([self::COVERAGE_OPTION, self::MIN_OPTION, self::EXACTLY_OPTION] as $option) {
+            foreach ([self::COVERAGE_OPTION, self::MIN_OPTION, self::EXACTLY_OPTION, self::ONLY_COVERED_OPTION] as $option) {
                 if ($original === sprintf('--%s', $option)) {
                     return true;
                 }
@@ -80,6 +87,7 @@ final class Coverage implements AddsOutput, HandlesArguments
         $inputs[] = new InputOption(self::COVERAGE_OPTION, null, InputOption::VALUE_NONE);
         $inputs[] = new InputOption(self::MIN_OPTION, null, InputOption::VALUE_REQUIRED);
         $inputs[] = new InputOption(self::EXACTLY_OPTION, null, InputOption::VALUE_REQUIRED);
+        $inputs[] = new InputOption(self::ONLY_COVERED_OPTION, null, InputOption::VALUE_NONE);
 
         $input = new ArgvInput($arguments, new InputDefinition($inputs));
         if ((bool) $input->getOption(self::COVERAGE_OPTION)) {
@@ -120,6 +128,10 @@ final class Coverage implements AddsOutput, HandlesArguments
             $this->coverageExactly = (float) $exactlyOption;
         }
 
+        if ((bool) $input->getOption(self::ONLY_COVERED_OPTION)) {
+            $this->showOnlyCovered = true;
+        }
+
         if ($_SERVER['COLLISION_PRINTER_COMPACT'] ?? false) {
             $this->compact = true;
         }
@@ -144,7 +156,7 @@ final class Coverage implements AddsOutput, HandlesArguments
                 exit(1);
             }
 
-            $coverage = \Pest\Support\Coverage::report($this->output, $this->compact);
+            $coverage = \Pest\Support\Coverage::report($this->output, $this->compact, $this->showOnlyCovered);
             $exitCode = (int) ($coverage < $this->coverageMin);
 
             if ($exitCode === 0 && $this->coverageExactly !== null) {

src/Plugins/Help.php

@@ -99,6 +99,7 @@ final readonly class Help implements HandlesArguments
     {
         $helpReflection = new PHPUnitHelp;
 
+        // @phpstan-ignore-next-line
         $content = (fn (): array => $this->elements())->call($helpReflection);
 
         $content['Configuration'] = [...[[
@@ -106,6 +107,13 @@ final readonly class Help implements HandlesArguments
             'desc' => 'Initialise a standard Pest configuration',
         ]], ...$content['Configuration']];
 
+        $content['AI'] = [
+            [
+                'arg' => '--ai',
+                'desc' => 'Run a code snippet as a fully scaffolded test for AI verification',
+            ],
+        ];
+
         $content['Execution'] = [...[
             [
                 'arg' => '--parallel',
@@ -141,6 +149,9 @@ final readonly class Help implements HandlesArguments
         ], [
             'arg' => '--retry',
             'desc' => 'Run non-passing tests first and stop execution upon first error or failure',
+        ], [
+            'arg' => '--dirty',
+            'desc' => 'Only run tests that have uncommitted changes according to Git',
         ], ...$content['Selection']];
 
         $content['Reporting'] = [...$content['Reporting'], ...[
@@ -156,6 +167,12 @@ final readonly class Help implements HandlesArguments
         ], [
             'arg' => '--coverage --min',
             'desc' => 'Set the minimum required coverage percentage, and fail if not met',
+        ], [
+            'arg' => '--coverage --exactly',
+            'desc' => 'Set the exact required coverage percentage, and fail if not met',
+        ], [
+            'arg' => '--coverage --only-covered',
+            'desc' => 'Hide files with 0% coverage from the code coverage report',
         ], ...$content['Code Coverage']];
 
         $content['Mutation Testing'] = [[

src/Plugins/Parallel.php

@@ -127,7 +127,9 @@ final class Parallel implements HandlesArguments
             $arguments
         );
 
-        $exitCode = $this->paratestCommand()->run(new ArgvInput($filteredArguments), new CleanConsoleOutput);
+        $filteredArguments = $this->processTeamcityArguments($filteredArguments);
+
+        $exitCode = $this->paratestCommand()->run(new ArgvInput(array_values($filteredArguments)), new CleanConsoleOutput);
 
         return CallsAddsOutput::execute($exitCode);
     }
@@ -197,4 +199,18 @@ final class Parallel implements HandlesArguments
 
         return $this->popArgument('-p', $arguments);
     }
+
+    /**
+     * @param  string[]  $arguments
+     * @return string[]
+     */
+    public function processTeamcityArguments(array $arguments): array
+    {
+        $argv = new ArgvInput;
+        if ($argv->hasParameterOption('--teamcity')) {
+            $arguments[] = '--teamcity';
+        }
+
+        return $arguments;
+    }
 }

src/Plugins/Parallel/Handlers/Laravel.php

@@ -7,6 +7,7 @@ namespace Pest\Plugins\Parallel\Handlers;
 use Closure;
 use Composer\InstalledVersions;
 use Illuminate\Testing\ParallelRunner;
+use Orchestra\Testbench\TestCase;
 use ParaTest\Options;
 use ParaTest\RunnerInterface;
 use Pest\Contracts\Plugins\HandlesArguments;
@@ -39,13 +40,13 @@ final class Laravel implements HandlesArguments
      * Executes the given closure when running Laravel.
      *
      * @param  array<int, string>  $arguments
-     * @param  CLosure(array<int, string>): array<int, string>  $closure
+     * @param  Closure(array<int, string>): array<int, string>  $closure
      * @return array<int, string>
      */
     private function whenUsingLaravel(array $arguments, Closure $closure): array
     {
         $isLaravelApplication = InstalledVersions::isInstalled('laravel/framework', false);
-        $isLaravelPackage = class_exists(\Orchestra\Testbench\TestCase::class);
+        $isLaravelPackage = class_exists(TestCase::class);
 
         if ($isLaravelApplication && ! $isLaravelPackage) {
             return $closure($arguments);

src/Plugins/Parallel/Paratest/ResultPrinter.php

@@ -92,14 +92,13 @@ final class ResultPrinter
         $this->teamcityLogFileHandle = $teamcityLogFileHandle;
     }
 
-    /** @param  list<SplFileInfo>  $teamcityFiles */
     public function printFeedback(
         SplFileInfo $progressFile,
         SplFileInfo $outputFile,
-        array $teamcityFiles
+        ?SplFileInfo $teamcityFile,
     ): void {
-        if ($this->options->needsTeamcity) {
-            $teamcityProgress = $this->tailMultiple($teamcityFiles);
+        if ($this->options->needsTeamcity && $teamcityFile instanceof SplFileInfo) {
+            $teamcityProgress = $this->tailMultiple([$teamcityFile]);
 
             if ($this->teamcityLogFileHandle !== null) {
                 fwrite($this->teamcityLogFileHandle, $teamcityProgress);
@@ -171,8 +170,18 @@ final class ResultPrinter
 
         $state = (new StateGenerator)->fromPhpUnitTestResult($this->passedTests, $testResult);
 
-        $this->compactPrinter->errors($state);
-        $this->compactPrinter->recap($state, $testResult, $duration, $this->options);
+        if ($testResult->numberOfTestsRun() === 0 && $state->testSuiteTestsCount() === 0) {
+            $this->output->writeln([
+                '',
+                '  <fg=white;options=bold;bg=blue> INFO </> No tests found.',
+                '',
+            ]);
+        }
+
+        if (! isset($_SERVER['PEST_PARALLEL_NO_OUTPUT'])) {
+            $this->compactPrinter->errors($state);
+            $this->compactPrinter->recap($state, $testResult, $duration, $this->options);
+        }
     }
 
     private function printFeedbackItem(string $item): void

src/Plugins/Parallel/Paratest/WrapperRunner.php

@@ -39,6 +39,7 @@ use function dirname;
 use function file_get_contents;
 use function max;
 use function realpath;
+use function str_starts_with;
 use function unlink;
 use function unserialize;
 use function usleep;
@@ -51,6 +52,11 @@ final class WrapperRunner implements RunnerInterface
     /**
      * The time to sleep between cycles.
      */
+    /**
+     * The merged test result from the parallel run.
+     */
+    public static ?TestResult $result = null;
+
     private const int CYCLE_SLEEP = 10000;
 
     /**
@@ -131,6 +137,7 @@ final class WrapperRunner implements RunnerInterface
         $parameters = $this->handleLaravelHerd($parameters);
 
         $parameters[] = $wrapper;
+        $parameters[] = '--test-directory='.TestSuite::getInstance()->testPath;
 
         $this->parameters = $parameters;
         $this->codeCoverageFilterRegistry = new CodeCoverageFilterRegistry;
@@ -225,7 +232,7 @@ final class WrapperRunner implements RunnerInterface
         $this->printer->printFeedback(
             $worker->progressFile,
             $worker->unexpectedOutputFile,
-            $this->teamcityFiles,
+            $worker->teamcityFile ?? null,
         );
         $worker->reset();
     }
@@ -385,6 +392,8 @@ final class WrapperRunner implements RunnerInterface
             $testResultSum->numberOfIssuesIgnoredByBaseline(),
         );
 
+        self::$result = $testResultSum;
+
         if ($this->options->configuration->cacheResult()) {
             $resultCacheSum = new DefaultResultCache($this->options->configuration->testResultCacheFile());
             foreach ($this->resultCacheFiles as $resultCacheFile) {
@@ -483,15 +492,61 @@ final class WrapperRunner implements RunnerInterface
      */
     private function getTestFiles(SuiteLoader $suiteLoader): array
     {
-        /** @var array<string, non-empty-string> $files */
-        $files = [
-            ...array_values(array_filter(
-                $suiteLoader->tests,
-                fn (string $filename): bool => ! str_ends_with($filename, "eval()'d code")
-            )),
-            ...TestSuite::getInstance()->tests->getFilenames(),
-        ];
+        /** @var array<string, null> $files */
+        $files = [];
 
-        return $files; // @phpstan-ignore-line
+        foreach (array_filter(
+            $suiteLoader->tests,
+            fn (string $filename): bool => ! str_ends_with($filename, "eval()'d code")
+        ) as $filename) {
+            $resolved = realpath($filename) ?: $filename;
+            $files[$resolved] = null;
+        }
+
+        foreach (TestSuite::getInstance()->tests->getFilenames() as $filename) {
+            if ($this->shouldIncludeBootstrappedTestFile($filename)) {
+                $resolved = realpath($filename)
+                    ?: realpath($this->options->cwd.DIRECTORY_SEPARATOR.$filename)
+                    ?: $filename;
+                $files[$resolved] = null;
+            }
+        }
+
+        return array_keys($files); // @phpstan-ignore-line
+    }
+
+    private function shouldIncludeBootstrappedTestFile(string $filename): bool
+    {
+        if (! $this->options->configuration->hasCliArguments()) {
+            return true;
+        }
+
+        $resolvedFilename = realpath($filename);
+
+        if ($resolvedFilename === false) {
+            $resolvedFilename = realpath($this->options->cwd.DIRECTORY_SEPARATOR.$filename);
+        }
+
+        if ($resolvedFilename === false) {
+            return false;
+        }
+
+        foreach ($this->options->configuration->cliArguments() as $path) {
+            $resolvedPath = realpath($path);
+
+            if ($resolvedPath === false) {
+                continue;
+            }
+
+            if ($resolvedFilename === $resolvedPath) {
+                return true;
+            }
+
+            if (is_dir($resolvedPath) && str_starts_with($resolvedFilename, $resolvedPath.DIRECTORY_SEPARATOR)) {
+                return true;
+            }
+        }
+
+        return false;
     }
 }

src/Repositories/TestRepository.php

@@ -113,6 +113,16 @@ final class TestRepository
         $this->testCaseMethodFilters[] = $filter;
     }
 
+    /**
+     * Gets the class and traits configured for the given directory path.
+     *
+     * @return array<int, string>
+     */
+    public function getUsesForPath(string $path): array
+    {
+        return $this->uses[$path][0] ?? [];
+    }
+
     /**
      * Gets the test case factory from the given filename.
      */

src/Support/Closure.php

@@ -19,14 +19,14 @@ final class Closure
      */
     public static function bind(?BaseClosure $closure, ?object $newThis, object|string|null $newScope = 'static'): BaseClosure
     {
-        if (! $closure instanceof \Closure) {
+        if (! $closure instanceof BaseClosure) {
             throw ShouldNotHappen::fromMessage('Could not bind null closure.');
         }
 
         // @phpstan-ignore-next-line
         $closure = BaseClosure::bind($closure, $newThis, $newScope);
 
-        if (! $closure instanceof \Closure) {
+        if (! $closure instanceof BaseClosure) {
             throw ShouldNotHappen::fromMessage('Could not bind closure.');
         }
 

src/Support/Container.php

@@ -28,7 +28,7 @@ final class Container
      */
     public static function getInstance(): self
     {
-        if (! self::$instance instanceof \Pest\Support\Container) {
+        if (! self::$instance instanceof Container) {
             self::$instance = new self;
         }
 

src/Support/Coverage.php

@@ -74,7 +74,7 @@ final class Coverage
      * Reports the code coverage report to the
      * console and returns the result in float.
      */
-    public static function report(OutputInterface $output, bool $compact = false): float
+    public static function report(OutputInterface $output, bool $compact = false, bool $showOnlyCovered = false): float
     {
         if (! file_exists($reportPath = self::getPath())) {
             if (self::usingXdebug()) {
@@ -109,6 +109,10 @@ final class Coverage
                 $basename,
             ]);
 
+            if ($showOnlyCovered && $file->percentageOfExecutedLines()->asFloat() === 0.0) {
+                continue;
+            }
+
             $percentage = $file->numberOfExecutableLines() === 0
                 ? '100.0'
                 : number_format($file->percentageOfExecutedLines()->asFloat(), 1, '.', '');

src/Support/DatasetInfo.php

@@ -17,7 +17,7 @@ final class DatasetInfo
 
     public static function isInsideADatasetsDirectory(string $file): bool
     {
-        return basename(dirname($file)) === self::DATASETS_DIR_NAME;
+        return in_array(self::DATASETS_DIR_NAME, self::directorySegmentsInsideTestsDirectory($file), true);
     }
 
     public static function isADatasetsFile(string $file): bool
@@ -32,7 +32,23 @@ final class DatasetInfo
         }
 
         if (self::isInsideADatasetsDirectory($file)) {
-            return dirname($file, 2);
+            $scope = [];
+
+            foreach (self::directorySegmentsInsideTestsDirectory($file) as $segment) {
+                if ($segment === self::DATASETS_DIR_NAME) {
+                    break;
+                }
+
+                $scope[] = $segment;
+            }
+
+            $testsDirectoryPath = self::testsDirectoryPath($file);
+
+            if ($scope === []) {
+                return $testsDirectoryPath;
+            }
+
+            return $testsDirectoryPath.DIRECTORY_SEPARATOR.implode(DIRECTORY_SEPARATOR, $scope);
         }
 
         if (self::isADatasetsFile($file)) {
@@ -41,4 +57,45 @@ final class DatasetInfo
 
         return $file;
     }
+
+    /**
+     * @return list<string>
+     */
+    private static function directorySegmentsInsideTestsDirectory(string $file): array
+    {
+        $directory = dirname(self::pathInsideTestsDirectory($file));
+
+        if ($directory === '.' || $directory === DIRECTORY_SEPARATOR) {
+            return [];
+        }
+
+        return array_values(array_filter(
+            explode(DIRECTORY_SEPARATOR, trim($directory, DIRECTORY_SEPARATOR)),
+            static fn (string $segment): bool => $segment !== '',
+        ));
+    }
+
+    private static function pathInsideTestsDirectory(string $file): string
+    {
+        $testsDirectory = DIRECTORY_SEPARATOR.trim(testDirectory(), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
+        $position = strrpos($file, $testsDirectory);
+
+        if ($position === false) {
+            return $file;
+        }
+
+        return substr($file, $position + strlen($testsDirectory));
+    }
+
+    private static function testsDirectoryPath(string $file): string
+    {
+        $testsDirectory = DIRECTORY_SEPARATOR.trim(testDirectory(), DIRECTORY_SEPARATOR).DIRECTORY_SEPARATOR;
+        $position = strrpos($file, $testsDirectory);
+
+        if ($position === false) {
+            return dirname($file);
+        }
+
+        return substr($file, 0, $position + strlen($testsDirectory) - 1);
+    }
 }

src/Support/ExceptionTrace.php

@@ -26,6 +26,7 @@ final class ExceptionTrace
             return $closure();
         } catch (Throwable $throwable) {
             if (Str::startsWith($message = $throwable->getMessage(), self::UNDEFINED_METHOD)) {
+                // @phpstan-ignore-next-line
                 $class = preg_match('/^Call to undefined method ([^:]+)::/', $message, $matches) === false ? null : $matches[1];
 
                 $message = str_replace(self::UNDEFINED_METHOD, 'Call to undefined method ', $message);

src/Support/HigherOrderCallables.php

@@ -46,6 +46,7 @@ final readonly class HigherOrderCallables
      */
     public function and(mixed $value): Expectation
     {
+        // @phpstan-ignore-next-line
         return $this->expect($value);
     }
 

src/Support/Reflection.php

@@ -8,6 +8,7 @@ use Closure;
 use InvalidArgumentException;
 use Pest\Exceptions\ShouldNotHappen;
 use Pest\TestSuite;
+use PHPUnit\Framework\TestCase;
 use ReflectionClass;
 use ReflectionException;
 use ReflectionFunction;
@@ -66,7 +67,7 @@ final class Reflection
     {
         $test = TestSuite::getInstance()->test;
 
-        if (! $test instanceof \PHPUnit\Framework\TestCase) {
+        if (! $test instanceof TestCase) {
             return self::bindCallable($callable);
         }
 
@@ -221,7 +222,7 @@ final class Reflection
     {
         $getProperties = fn (ReflectionClass $reflectionClass): array => array_filter(
             array_map(
-                fn (ReflectionProperty $property): \ReflectionProperty => $property,
+                fn (ReflectionProperty $property): ReflectionProperty => $property,
                 $reflectionClass->getProperties(),
             ), fn (ReflectionProperty $property): bool => $property->getDeclaringClass()->getName() === $reflectionClass->getName(),
         );
@@ -256,7 +257,7 @@ final class Reflection
     {
         $getMethods = fn (ReflectionClass $reflectionClass): array => array_filter(
             array_map(
-                fn (ReflectionMethod $method): \ReflectionMethod => $method,
+                fn (ReflectionMethod $method): ReflectionMethod => $method,
                 $reflectionClass->getMethods($filter),
             ), fn (ReflectionMethod $method): bool => $method->getDeclaringClass()->getName() === $reflectionClass->getName(),
         );

src/Support/StateGenerator.php

@@ -11,6 +11,10 @@ use PHPUnit\Event\Code\TestDoxBuilder;
 use PHPUnit\Event\Code\TestMethod;
 use PHPUnit\Event\Code\ThrowableBuilder;
 use PHPUnit\Event\Test\Errored;
+use PHPUnit\Event\Test\PhpunitDeprecationTriggered;
+use PHPUnit\Event\Test\PhpunitErrorTriggered;
+use PHPUnit\Event\Test\PhpunitNoticeTriggered;
+use PHPUnit\Event\Test\PhpunitWarningTriggered;
 use PHPUnit\Event\TestData\TestDataCollection;
 use PHPUnit\Framework\SkippedWithMessageException;
 use PHPUnit\Metadata\MetadataCollection;
@@ -43,6 +47,8 @@ final class StateGenerator
             ));
         }
 
+        $this->addTriggeredPhpunitEvents($state, $testResult->testTriggeredPhpunitErrorEvents(), TestResult::FAIL);
+
         foreach ($testResult->testMarkedIncompleteEvents() as $testResultEvent) {
             $state->add(TestResult::fromPestParallelTestCase(
                 $testResultEvent->test(),
@@ -99,6 +105,8 @@ final class StateGenerator
             }
         }
 
+        $this->addTriggeredPhpunitEvents($state, $testResult->testTriggeredPhpunitDeprecationEvents(), TestResult::DEPRECATED);
+
         foreach ($testResult->notices() as $testResultEvent) {
             foreach ($testResultEvent->triggeringTests() as $triggeringTest) {
                 ['test' => $test] = $triggeringTest;
@@ -123,6 +131,8 @@ final class StateGenerator
             }
         }
 
+        $this->addTriggeredPhpunitEvents($state, $testResult->testTriggeredPhpunitNoticeEvents(), TestResult::NOTICE);
+
         foreach ($testResult->warnings() as $testResultEvent) {
             foreach ($testResultEvent->triggeringTests() as $triggeringTest) {
                 ['test' => $test] = $triggeringTest;
@@ -135,6 +145,8 @@ final class StateGenerator
             }
         }
 
+        $this->addTriggeredPhpunitEvents($state, $testResult->testTriggeredPhpunitWarningEvents(), TestResult::WARN);
+
         foreach ($testResult->phpWarnings() as $testResultEvent) {
             foreach ($testResultEvent->triggeringTests() as $triggeringTest) {
                 ['test' => $test] = $triggeringTest;
@@ -165,4 +177,24 @@ final class StateGenerator
 
         return $state;
     }
+
+    /**
+     * @param  array<string, list<PhpunitDeprecationTriggered|PhpunitErrorTriggered|PhpunitNoticeTriggered|PhpunitWarningTriggered>>  $testResultEvents
+     */
+    private function addTriggeredPhpunitEvents(State $state, array $testResultEvents, string $type): void
+    {
+        foreach ($testResultEvents as $events) {
+            foreach ($events as $event) {
+                if (! $event->test()->isTestMethod()) {
+                    continue;
+                }
+
+                $state->add(TestResult::fromPestParallelTestCase(
+                    $event->test(),
+                    $type,
+                    ThrowableBuilder::from(new TestOutcome($event->message()))
+                ));
+            }
+        }
+    }
 }

src/Support/Str.php

@@ -79,7 +79,7 @@ final class Str
             return $subject;
         }
 
-        return substr($subject, 0, $pos);
+        return mb_substr($subject, 0, $pos);
     }
 
     /**

stubs/init-laravel/Pest.php.stub

@@ -1,5 +1,8 @@
 <?php
 
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
 /*
 |--------------------------------------------------------------------------
 | Test Case
@@ -7,12 +10,12 @@
 |
 | The closure you provide to your test functions is always bound to a specific PHPUnit test
 | case class. By default, that class is "PHPUnit\Framework\TestCase". Of course, you may
-| need to change it using the "pest()" function to bind a different classes or traits.
+| need to change it using the "pest()" function to bind different classes or traits.
 |
 */
 
-pest()->extend(Tests\TestCase::class)
- // ->use(Illuminate\Foundation\Testing\RefreshDatabase::class)
+pest()->extend(TestCase::class)
+ // ->use(RefreshDatabase::class)
     ->in('Feature');
 
 /*

stubs/init/Pest.php.stub

@@ -1,5 +1,7 @@
 <?php
 
+use Tests\TestCase;
+
 /*
 |--------------------------------------------------------------------------
 | Test Case
@@ -7,11 +9,11 @@
 |
 | The closure you provide to your test functions is always bound to a specific PHPUnit test
 | case class. By default, that class is "PHPUnit\Framework\TestCase". Of course, you may
-| need to change it using the "pest()" function to bind a different classes or traits.
+| need to change it using the "pest()" function to bind different classes or traits.
 |
 */
 
-pest()->extend(Tests\TestCase::class)->in('Feature');
+pest()->extend(TestCase::class)->in('Feature');
 
 /*
 |--------------------------------------------------------------------------

tests/.pest/snapshots/Visual/Help/visual_snapshot_of_help_command_output.snap

@@ -1,5 +1,5 @@
 
-  Pest Testing Framework 4.1.6.  
+  Pest Testing Framework 4.4.4.  
 
   USAGE: pest <file> [options]  
 
@@ -27,6 +27,8 @@
   --pr .... Output to standard output tests with the given pull request number  
   --pull-request  Output to standard output tests with the given pull request number (alias for --pr)  
   --retry  Run non-passing tests first and stop execution upon first error or failure  
+  --dirty ...... Only run tests that have uncommitted changes according to Git  
+  --all .................... Ignore test selection from XML configuration file  
   --list-suites ................................... List available test suites  
   --testsuite [name] ......... Only run tests from the specified test suite(s)  
   --exclude-testsuite [name] .. Exclude tests from the specified test suite(s)  
@@ -90,7 +92,7 @@
   --random-order-seed [N]  Use the specified random seed when running tests in random order  
 
   REPORTING OPTIONS:
-  --colors [flag] ......... Use colors in output ("never", "auto" or "always")  
+  --colors=[flag] ......... Use colors in output ("never", "auto" or "always")  
   --columns [n] ................. Number of columns to use for progress output  
   --columns max ............ Use maximum number of columns for progress output  
   --stderr ................................. Write to STDERR instead of STDOUT  
@@ -138,12 +140,16 @@
   --only-summary-for-coverage-text  Option for code coverage report in text format: only show summary  
   --show-uncovered-for-coverage-text  Option for code coverage report in text format: show uncovered files  
   --coverage-xml [dir] . Write code coverage report in XML format to directory  
+  --exclude-source-from-xml-coverage  Exclude [source] element from code coverage report in XML format  
   --warm-coverage-cache ........................... Warm static analysis cache  
   --coverage-filter [dir] ........... Include [dir] in code coverage reporting  
   --path-coverage .......... Report path coverage in addition to line coverage  
   --disable-coverage-ignore ...... Disable metadata for ignoring code coverage  
   --no-coverage  Ignore code coverage reporting configured in the XML configuration file  
 
+  AI OPTIONS:
+  --ai ..... Run a code snippet as a fully scaffolded test for AI verification  
+
   MUTATION TESTING OPTIONS:
   --mutate .... Runs mutation testing, to understand the quality of your tests  
   --mutate --parallel ...................... Runs mutation testing in parallel  

tests/.pest/snapshots/Visual/Version/visual_snapshot_of_help_command_output.snap

@@ -1,3 +1,3 @@
 
-  Pest Testing Framework 4.1.6.  
+  Pest Testing Framework 4.4.4.  
 

tests/.snapshots/SuccessOnly.php.inc

@@ -1,5 +1,5 @@
 ##teamcity[testSuiteStarted name='Tests/tests/SuccessOnly' locationHint='pest_qn://tests/.tests/SuccessOnly.php' flowId='1234']
-##teamcity[testCount count='3' flowId='1234']
+##teamcity[testCount count='4' flowId='1234']
 ##teamcity[testStarted name='it can pass with comparison' locationHint='pest_qn://tests/.tests/SuccessOnly.php::it can pass with comparison' flowId='1234']
 ##teamcity[testFinished name='it can pass with comparison' duration='100000' flowId='1234']
 ##teamcity[testStarted name='can also pass' locationHint='pest_qn://tests/.tests/SuccessOnly.php::can also pass' flowId='1234']
@@ -8,8 +8,12 @@
 ##teamcity[testStarted name='can pass with dataset with data set "(true)"' locationHint='pest_qn://tests/.tests/SuccessOnly.php::can pass with dataset with data set "(true)"' flowId='1234']
 ##teamcity[testFinished name='can pass with dataset with data set "(true)"' duration='100000' flowId='1234']
 ##teamcity[testSuiteFinished name='can pass with dataset' flowId='1234']
+##teamcity[testSuiteStarted name='`block` → can pass with dataset in describe block' locationHint='pest_qn://tests/.tests/SuccessOnly.php::`block` → can pass with dataset in describe block' flowId='1234']
+##teamcity[testStarted name='`block` → can pass with dataset in describe block with data set "(1)"' locationHint='pest_qn://tests/.tests/SuccessOnly.php::`block` → can pass with dataset in describe block with data set "(1)"' flowId='1234']
+##teamcity[testFinished name='`block` → can pass with dataset in describe block with data set "(1)"' duration='100000' flowId='1234']
+##teamcity[testSuiteFinished name='`block` → can pass with dataset in describe block' flowId='1234']
 ##teamcity[testSuiteFinished name='Tests/tests/SuccessOnly' flowId='1234']
 
-  Tests:    3 passed (3 assertions)
+  Tests:    4 passed (4 assertions)
   Duration: 1.00s
 

tests/.snapshots/success.txt

@@ -448,6 +448,10 @@
   ✓ failures with custom message
   ✓ not failures
 
+   PASS  Tests\Features\Expect\toBeCasedCorrectly
+  ✓ pass
+  ✓ failure
+
    PASS  Tests\Features\Expect\toBeDigits
   ✓ pass
   ✓ failures
@@ -1034,6 +1038,10 @@
   ✓ pass
   ✓ failures
   ✓ not failures
+  ✓ trait inheritance - direct usage
+  ✓ trait inheritance - inherited usage
+  ✓ trait inheritance - negative case
+  ✓ nested trait inheritance
 
    PASS  Tests\Features\Expect\unless
   ✓ it pass
@@ -1490,6 +1498,10 @@
    PASS  Tests\Fixtures\ExampleTest
   ✓ it example 2
 
+   PASS  Tests\Fixtures\ParallelNestedDatasets\TestFileWithNestedDataset
+  ✓ loads nested dataset with ('alice')
+  ✓ loads nested dataset with ('bob')
+
    WARN  Tests\Fixtures\UnexpectedOutput
   - output
 
@@ -1640,9 +1652,14 @@
   ✓ it cannot resolve a parameter without type
 
    PASS  Tests\Unit\Support\DatasetInfo
-  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Datase…rs.php', true)
+  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/Datasets/project/tes…rs.php', true) #1
+  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/Datasets/project/tes…rs.php', true) #2
+  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Datase…rs.php', true) #1
+  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Datase…rs.php', true) #2
   ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Datasets.php', false)
-  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Featur…rs.php', true)
+  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Featur…rs.php', true) #1
+  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Featur…rs.php', true) #2
+  ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Featur…rs.php', true) #3
   ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Featur…rs.php', false)
   ✓ it can check if dataset is defined inside a Datasets directory with ('/var/www/project/tests/Featur…ts.php', false)
   ✓ it can check if dataset is defined inside a Datasets.php file with ('/var/www/project/tests/Datase…rs.php', false)
@@ -1650,12 +1667,18 @@
   ✓ it can check if dataset is defined inside a Datasets.php file with ('/var/www/project/tests/Featur…rs.php', false) #1
   ✓ it can check if dataset is defined inside a Datasets.php file with ('/var/www/project/tests/Featur…rs.php', false) #2
   ✓ it can check if dataset is defined inside a Datasets.php file with ('/var/www/project/tests/Featur…ts.php', true)
-  ✓ it computes the dataset scope with ('/var/www/project/tests/Datase…rs.php', '/var/www/project/tests')
+  ✓ it computes the dataset scope with ('/var/www/Datasets/project/tes…rs.php', '/var/www/Datasets/project/tests')
+  ✓ it computes the dataset scope with ('/var/www/Datasets/project/tes…rs.php', '/var/www/Datasets/project/tes…atures')
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Datase…rs.php', '/var/www/project/tests') #1
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Datase…rs.php', '/var/www/project/tests') #2
   ✓ it computes the dataset scope with ('/var/www/project/tests/Datasets.php', '/var/www/project/tests')
-  ✓ it computes the dataset scope with ('/var/www/project/tests/Featur…rs.php', '/var/www/project/tests/Features')
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Featur…rs.php', '/var/www/project/tests/Features') #1
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Featur…rs.php', '/var/www/project/tests/Features') #2
   ✓ it computes the dataset scope with ('/var/www/project/tests/Featur…rs.php', '/var/www/project/tests/Featur…rs.php') #1
   ✓ it computes the dataset scope with ('/var/www/project/tests/Featur…ts.php', '/var/www/project/tests/Features')
-  ✓ it computes the dataset scope with ('/var/www/project/tests/Featur…rs.php', '/var/www/project/tests/Featur…ollers')
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Featur…rs.php', '/var/www/project/tests/Featur…ollers') #1
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Featur…rs.php', '/var/www/project/tests/Featur…ollers') #2
+  ✓ it computes the dataset scope with ('/var/www/project/tests/Featur…rs.php', '/var/www/project/tests/Features') #3
   ✓ it computes the dataset scope with ('/var/www/project/tests/Featur…rs.php', '/var/www/project/tests/Featur…rs.php') #2
   ✓ it computes the dataset scope with ('/var/www/project/tests/Featur…ts.php', '/var/www/project/tests/Featur…ollers')
 
@@ -1756,6 +1779,10 @@
    PASS  Tests\Visual\Parallel
   ✓ parallel
   ✓ a parallel test can extend another test with same name
+  ✓ parallel reports invalid datasets as failures
+
+   PASS  Tests\Visual\ParallelNestedDatasets
+  ✓ parallel loads nested datasets from nested directories
 
    PASS  Tests\Visual\SingleTestOrDirectory
   ✓ allows to run a single test
@@ -1775,6 +1802,10 @@
   - todo
   - todo in parallel
 
+   PASS  Tests\Visual\UnicodeFilename
+  ✓ filter works with unicode characters in filename
+  ✓ filter with unicode regex matches unicode filename
+
    WARN  Tests\Visual\Version
   - visual snapshot of help command output
 
@@ -1782,4 +1813,4 @@
   ✓ pass with dataset with ('my-datas-set-value')
   ✓ within describe → pass with dataset with ('my-datas-set-value')
 
-  Tests:    2 deprecated, 4 warnings, 5 incomplete, 2 notices, 39 todos, 35 skipped, 1188 passed (2814 assertions)
+  Tests:    2 deprecated, 4 warnings, 5 incomplete, 2 notices, 39 todos, 35 skipped, 1211 passed (2847 assertions)

tests/.tests/ParallelInvalidDataset/MissingDatasetTest.php

@@ -0,0 +1,5 @@
+<?php
+
+test('missing dataset', function (string $value) {
+    expect($value)->toBe('x');
+})->with('missing.dataset');

tests/.tests/ParallelInvalidDataset/PassingTest.php

@@ -0,0 +1,3 @@
+<?php
+
+it('passes')->assertTrue(true);

tests/.tests/StraßenTest.php

@@ -0,0 +1,3 @@
+<?php
+
+it('tests unicode filename with ß')->assertTrue(true);

tests/.tests/SuccessOnly.php

@@ -13,3 +13,9 @@ test('can also pass', function () {
 test('can pass with dataset', function ($value) {
     expect($value)->toEqual(true);
 })->with([true]);
+
+describe('block', function () {
+    test('can pass with dataset in describe block', function ($number) {
+        expect($number)->toBeInt();
+    })->with([1]);
+});

tests/Autoload.php

@@ -1,5 +1,7 @@
 <?php
 
+use Pest\Plugin;
+
 trait PluginTrait
 {
     public function assertPluginTraitGotRegistered(): void
@@ -16,8 +18,8 @@ trait SecondPluginTrait
     }
 }
 
-Pest\Plugin::uses(PluginTrait::class);
-Pest\Plugin::uses(SecondPluginTrait::class);
+Plugin::uses(PluginTrait::class);
+Plugin::uses(SecondPluginTrait::class);
 
 function _assertThat()
 {

tests/Features/BeforeAll.php

@@ -1,6 +1,6 @@
 <?php
 
-$foo = new \stdClass;
+$foo = new stdClass;
 $foo->bar = 0;
 
 beforeAll(function () use ($foo) {

tests/Features/Coverage.php

@@ -17,7 +17,7 @@ it('adds coverage if --coverage exist', function () {
     $arguments = $plugin->handleArguments(['--coverage']);
     expect($arguments)->toEqual(['--coverage-php', Coverage::getPath()])
         ->and($plugin->coverage)->toBeTrue();
-})->skip(! \Pest\Support\Coverage::isAvailable() || ! function_exists('xdebug_info') || ! in_array('coverage', xdebug_info('mode'), true), 'Coverage is not available');
+})->skip(! Coverage::isAvailable() || ! function_exists('xdebug_info') || ! in_array('coverage', xdebug_info('mode'), true), 'Coverage is not available');
 
 it('adds coverage if --min exist', function () {
     $plugin = new CoveragePlugin(new ConsoleOutput);

tests/Features/Expect/toBeCasedCorrectly.php

@@ -0,0 +1,12 @@
+<?php
+
+use Pest\Arch\Exceptions\ArchExpectationFailedException;
+
+test('pass')
+    ->expect('Tests\Fixtures\Arch\ToBeCasedCorrectly\CorrectCasing')
+    ->toBeCasedCorrectly();
+
+test('failure')
+    ->expect('Tests\Fixtures\Arch\ToBeCasedCorrectly\IncorrectCasing')
+    ->toBeCasedCorrectly()
+    ->throws(ArchExpectationFailedException::class);

tests/Features/Expect/toUseTrait.php

@@ -14,3 +14,19 @@ test('failures', function () {
 test('not failures', function () {
     expect('Pest\Expectations\HigherOrderExpectation')->not->toUseTrait('Pest\Concerns\Retrievable');
 })->throws(ArchExpectationFailedException::class);
+
+test('trait inheritance - direct usage', function () {
+    expect('Tests\Fixtures\Arch\ToUseTrait\HasTrait\ParentClassWithTrait')->toUseTrait('Tests\Fixtures\Arch\ToUseTrait\HasTrait\TestTraitForInheritance');
+});
+
+test('trait inheritance - inherited usage', function () {
+    expect('Tests\Fixtures\Arch\ToUseTrait\HasInheritedTrait\ChildClassExtendingParent')->toUseTrait('Tests\Fixtures\Arch\ToUseTrait\HasTrait\TestTraitForInheritance');
+});
+
+test('trait inheritance - negative case', function () {
+    expect('Tests\Fixtures\Arch\ToUseTrait\HasInheritedTrait\ChildClassExtendingParent')->not->toUseTrait('NonExistentTrait');
+});
+
+test('nested trait inheritance', function () {
+    expect('Tests\Fixtures\Arch\ToUseTrait\HasInheritedTrait\ChildClassExtendingParent')->toUseTrait('Tests\Fixtures\Arch\ToUseTrait\HasNestedTrait\NestedTrait');
+});

tests/Features/Helpers.php

@@ -39,7 +39,7 @@ it('allows to call underlying protected/private methods', function () {
 
 it('throws error if method do not exist', function () {
     test()->foo();
-})->throws(\ReflectionException::class, 'Call to undefined method PHPUnit\Framework\TestCase::foo()');
+})->throws(ReflectionException::class, 'Call to undefined method PHPUnit\Framework\TestCase::foo()');
 
 it('can forward unexpected calls to any global function')->_assertThat();
 

tests/Fixtures/Arch/ToBeCasedCorrectly/CorrectCasing/CorrectCasing.php

@@ -0,0 +1,5 @@
+<?php
+
+namespace Tests\Fixtures\Arch\ToBeCasedCorrectly\CorrectCasing;
+
+class CorrectCasing {}

tests/Fixtures/Arch/ToBeCasedCorrectly/IncorrectCasing/incorrectCasing.php

@@ -0,0 +1,5 @@
+<?php
+
+namespace Tests\Fixtures\Arch\ToBeCasedCorrectly\IncorrectCasing;
+
+class IncorrectCasing {}

tests/Fixtures/Arch/ToBeCasedCorrectly/incorrectDirectoryCasing/CorrectCasing.php

@@ -0,0 +1,5 @@
+<?php
+
+namespace Tests\Fixtures\Arch\ToBeCasedCorrectly\IncorrectDirectoryCasing;
+
+class CorrectCasing {}

tests/Fixtures/Arch/ToUseTrait/HasInheritedTrait/ChildClassExtendingParent.php

@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Fixtures\Arch\ToUseTrait\HasInheritedTrait;
+
+use Tests\Fixtures\Arch\ToUseTrait\HasTrait\ParentClassWithTrait;
+
+class ChildClassExtendingParent extends ParentClassWithTrait {}

tests/Fixtures/Arch/ToUseTrait/HasNestedTrait/NestedTrait.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Fixtures\Arch\ToUseTrait\HasNestedTrait;
+
+trait NestedTrait
+{
+    public function nestedMethod()
+    {
+        return 'nested';
+    }
+}

tests/Fixtures/Arch/ToUseTrait/HasTrait/ParentClassWithTrait.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Fixtures\Arch\ToUseTrait\HasTrait;
+
+class ParentClassWithTrait
+{
+    use TestTraitForInheritance;
+}

tests/Fixtures/Arch/ToUseTrait/HasTrait/TestTraitForInheritance.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Fixtures\Arch\ToUseTrait\HasTrait;
+
+use Tests\Fixtures\Arch\ToUseTrait\HasNestedTrait\NestedTrait;
+
+trait TestTraitForInheritance
+{
+    use NestedTrait;
+
+    public function testMethod()
+    {
+        return 'test';
+    }
+}

tests/Fixtures/ParallelNestedDatasets/Datasets/Nested/Users.php

@@ -0,0 +1,6 @@
+<?php
+
+dataset('nested.users', [
+    ['alice'],
+    ['bob'],
+]);

tests/Fixtures/ParallelNestedDatasets/TestFileWithNestedDataset.php

@@ -0,0 +1,5 @@
+<?php
+
+test('loads nested dataset', function (string $name) {
+    expect($name)->not->toBeEmpty();
+})->with('nested.users');

tests/Helpers.php

@@ -1,7 +1,9 @@
 <?php
 
+use PHPUnit\Framework\TestCase;
+
 /**
- * @return \PHPUnit\Framework\TestCase
+ * @return TestCase
  */
 function myAssertTrue($value)
 {

tests/PHPUnit/CustomAffixes/FolderWithAn@/ExampleTest.php

@@ -1,8 +1,9 @@
 <?php
 
 declare(strict_types=1);
+use PHPUnit\Framework\TestCase;
 
-class MyCustomClassTest extends PHPUnit\Framework\TestCase
+class MyCustomClassTest extends TestCase
 {
     public function assertTrueIsTrue()
     {

tests/PHPUnit/CustomTestCase/UsesPerDirectory.php

@@ -1,6 +1,8 @@
 <?php
 
-pest()->use(Tests\CustomTestCase\CustomTestCase::class)->in(__DIR__);
+use Tests\CustomTestCase\CustomTestCase;
+
+pest()->use(CustomTestCase::class)->in(__DIR__);
 
 test('closure was bound to CustomTestCase', function () {
     $this->assertCustomTrue();

tests/PHPUnit/CustomTestCaseInSubFolders/SubFolder2/UsesPerFile.php

@@ -1,5 +1,7 @@
 <?php
 
+use PHPUnit\Framework\TestCase;
+
 trait MyCustomTrait
 {
     public function assertFalseIsFalse()
@@ -8,7 +10,7 @@ trait MyCustomTrait
     }
 }
 
-abstract class MyCustomClass extends PHPUnit\Framework\TestCase
+abstract class MyCustomClass extends TestCase
 {
     public function assertTrueIsTrue()
     {

tests/Unit/Configuration/Theme.php

@@ -1,7 +1,9 @@
 <?php
 
+use Pest\Configuration\Printer;
+
 it('creates a printer instance', function () {
     $theme = pest()->printer();
 
-    expect($theme)->toBeInstanceOf(Pest\Configuration\Printer::class);
+    expect($theme)->toBeInstanceOf(Printer::class);
 });

tests/Unit/Support/DatasetInfo.php

@@ -5,9 +5,14 @@ use Pest\Support\DatasetInfo;
 it('can check if dataset is defined inside a Datasets directory', function (string $file, bool $inside) {
     expect(DatasetInfo::isInsideADatasetsDirectory($file))->toBe($inside);
 })->with([
+    ['file' => '/var/www/Datasets/project/tests/Datasets/Nested/Numbers.php', 'inside' => true],
+    ['file' => '/var/www/Datasets/project/tests/Features/Datasets/Nested/Numbers.php', 'inside' => true],
     ['file' => '/var/www/project/tests/Datasets/Numbers.php', 'inside' => true],
+    ['file' => '/var/www/project/tests/Datasets/Nested/Numbers.php', 'inside' => true],
     ['file' => '/var/www/project/tests/Datasets.php', 'inside' => false],
     ['file' => '/var/www/project/tests/Features/Datasets/Numbers.php', 'inside' => true],
+    ['file' => '/var/www/project/tests/Features/Datasets/Nested/Numbers.php', 'inside' => true],
+    ['file' => '/var/www/project/tests/Features/Datasets/Nested/Datasets/Numbers.php', 'inside' => true],
     ['file' => '/var/www/project/tests/Features/Numbers.php', 'inside' => false],
     ['file' => '/var/www/project/tests/Features/Datasets.php', 'inside' => false],
 ]);
@@ -25,12 +30,18 @@ it('can check if dataset is defined inside a Datasets.php file', function (strin
 it('computes the dataset scope', function (string $file, string $scope) {
     expect(DatasetInfo::scope($file))->toBe($scope);
 })->with([
+    ['file' => '/var/www/Datasets/project/tests/Datasets/Nested/Numbers.php', 'scope' => '/var/www/Datasets/project/tests'],
+    ['file' => '/var/www/Datasets/project/tests/Features/Datasets/Nested/Numbers.php', 'scope' => '/var/www/Datasets/project/tests/Features'],
     ['file' => '/var/www/project/tests/Datasets/Numbers.php', 'scope' => '/var/www/project/tests'],
+    ['file' => '/var/www/project/tests/Datasets/Nested/Numbers.php', 'scope' => '/var/www/project/tests'],
     ['file' => '/var/www/project/tests/Datasets.php', 'scope' => '/var/www/project/tests'],
     ['file' => '/var/www/project/tests/Features/Datasets/Numbers.php', 'scope' => '/var/www/project/tests/Features'],
+    ['file' => '/var/www/project/tests/Features/Datasets/Nested/Numbers.php', 'scope' => '/var/www/project/tests/Features'],
     ['file' => '/var/www/project/tests/Features/Numbers.php', 'scope' => '/var/www/project/tests/Features/Numbers.php'],
     ['file' => '/var/www/project/tests/Features/Datasets.php', 'scope' => '/var/www/project/tests/Features'],
     ['file' => '/var/www/project/tests/Features/Controllers/Datasets/Numbers.php', 'scope' => '/var/www/project/tests/Features/Controllers'],
+    ['file' => '/var/www/project/tests/Features/Controllers/Datasets/Nested/Numbers.php', 'scope' => '/var/www/project/tests/Features/Controllers'],
+    ['file' => '/var/www/project/tests/Features/Datasets/Nested/Datasets/Numbers.php', 'scope' => '/var/www/project/tests/Features'],
     ['file' => '/var/www/project/tests/Features/Controllers/Numbers.php', 'scope' => '/var/www/project/tests/Features/Controllers/Numbers.php'],
     ['file' => '/var/www/project/tests/Features/Controllers/Datasets.php', 'scope' => '/var/www/project/tests/Features/Controllers'],
 ]);

tests/Visual/Collision.php

@@ -1,8 +1,10 @@
 <?php
 
+use Symfony\Component\Process\Process;
+
 test('collision', function (array $arguments) {
     $output = function () use ($arguments) {
-        $process = (new Symfony\Component\Process\Process(
+        $process = (new Process(
             array_merge(['php', 'bin/pest', 'tests/Fixtures/CollisionTest.php'], $arguments),
             null,
             ['COLLISION_PRINTER' => 'DefaultPrinter', 'COLLISION_IGNORE_DURATION' => 'true', 'COLLISION_TEST' => true]

tests/Visual/Help.php

@@ -1,8 +1,10 @@
 <?php
 
+use Symfony\Component\Process\Process;
+
 test('visual snapshot of help command output', function () {
     $output = function () {
-        $process = (new Symfony\Component\Process\Process(['php', 'bin/pest', '--help'], null, ['COLLISION_PRINTER' => 'DefaultPrinter', 'COLLISION_IGNORE_DURATION' => 'true']));
+        $process = (new Process(['php', 'bin/pest', '--help'], null, ['COLLISION_PRINTER' => 'DefaultPrinter', 'COLLISION_IGNORE_DURATION' => 'true']));
 
         $process->run();
 

tests/Visual/JUnit.php

@@ -36,8 +36,8 @@ test('junit output', function () use ($normalizedPath, $run) {
     expect($result['testsuite']['@attributes'])
         ->name->toBe('Tests\tests\SuccessOnly')
         ->file->toBe($normalizedPath('tests/.tests/SuccessOnly.php'))
-        ->tests->toBe('3')
-        ->assertions->toBe('3')
+        ->tests->toBe('4')
+        ->assertions->toBe('4')
         ->errors->toBe('0')
         ->failures->toBe('0')
         ->skipped->toBe('0');

tests/Visual/Parallel.php

@@ -16,10 +16,17 @@ $run = function () {
 
 test('parallel', function () use ($run) {
     expect($run('--exclude-group=integration'))
-        ->toContain('Tests:    2 deprecated, 4 warnings, 5 incomplete, 2 notices, 39 todos, 26 skipped, 1178 passed (2790 assertions)')
+        ->toContain('Tests:    2 deprecated, 4 warnings, 5 incomplete, 3 notices, 39 todos, 26 skipped, 1196 passed (2809 assertions)')
         ->toContain('Parallel: 3 processes');
 })->skipOnWindows();
 
 test('a parallel test can extend another test with same name', function () use ($run) {
-    expect($run('tests/Fixtures/Inheritance'))->toContain('Tests:    1 skipped, 2 passed (2 assertions)');
-});
+    expect($run('tests/Fixtures/Inheritance'))->toContain('Tests:    1 skipped, 1 passed (1 assertions)');
+})->skipOnWindows();
+
+test('parallel reports invalid datasets as failures', function () use ($run) {
+    expect($run('tests/.tests/ParallelInvalidDataset'))
+        ->toContain("A dataset with the name `missing.dataset` does not exist. You can create it using `dataset('missing.dataset', ['a', 'b']);`.")
+        ->toContain('Tests:    1 failed, 1 passed (1 assertions)')
+        ->toContain('Parallel: 3 processes');
+})->skipOnWindows();

tests/Visual/ParallelNestedDatasets.php

@@ -0,0 +1,40 @@
+<?php
+
+use Symfony\Component\Process\Process;
+
+$run = function (bool $parallel = false): array {
+    $command = [
+        'php',
+        'bin/pest',
+        'tests/Fixtures/ParallelNestedDatasets/TestFileWithNestedDataset.php',
+        '--colors=never',
+    ];
+
+    if ($parallel) {
+        $command[] = '--parallel';
+        $command[] = '--processes=2';
+    }
+
+    $process = new Process($command, dirname(__DIR__, 2),
+        ['COLLISION_PRINTER' => 'DefaultPrinter', 'COLLISION_IGNORE_DURATION' => 'true'],
+    );
+
+    $process->run();
+
+    return [
+        'exitCode' => $process->getExitCode(),
+        'output' => removeAnsiEscapeSequences($process->getOutput().$process->getErrorOutput()),
+    ];
+};
+
+test('parallel loads nested datasets from nested directories', function () use ($run) {
+    $serial = $run();
+    $parallel = $run(true);
+
+    expect($serial['exitCode'])->toBe(0)
+        ->and($parallel['exitCode'])->toBe(0)
+        ->and($serial['output'])->toContain('Tests:    2 passed (2 assertions)')
+        ->and($parallel['output'])->toContain('Tests:    2 passed (2 assertions)')
+        ->and($parallel['output'])->toContain('Parallel: 2 processes')
+        ->and($parallel['output'])->not->toContain('No tests found.');
+})->skipOnWindows();

tests/Visual/Success.php

@@ -1,5 +1,7 @@
 <?php
 
+use Symfony\Component\Process\Process;
+
 test('visual snapshot of test suite on success', function () {
     $testsPath = dirname(__DIR__);
     $snapshot = implode(DIRECTORY_SEPARATOR, [
@@ -9,8 +11,8 @@ test('visual snapshot of test suite on success', function () {
     ]);
 
     $output = function () use ($testsPath) {
-        $process = (new Symfony\Component\Process\Process(
-            ['php', 'bin/pest'],
+        $process = (new Process(
+            ['php', '-d', 'memory_limit=256M', 'bin/pest'],
             dirname($testsPath),
             ['EXCLUDE' => 'integration', '--exclude-group' => 'integration', 'REBUILD_SNAPSHOTS' => false, 'PARATEST' => 0, 'COLLISION_PRINTER' => 'DefaultPrinter', 'COLLISION_IGNORE_DURATION' => 'true'],
         ));

tests/Visual/TeamCity.php

@@ -1,5 +1,7 @@
 <?php
 
+use Symfony\Component\Process\Process;
+
 function normalize_windows_os_output(string $text): string
 {
     $text = str_replace('\r', '', $text);
@@ -17,7 +19,7 @@ test('visual snapshot of team city', function (string $testFile) {
     ]);
 
     $output = function () use ($testsPath) {
-        $process = (new Symfony\Component\Process\Process(
+        $process = (new Process(
             ['php', 'bin/pest', '--teamcity', $testsPath],
             dirname(__DIR__, levels: 2),
             [

tests/Visual/UnicodeFilename.php

@@ -0,0 +1,37 @@
+<?php
+
+use Symfony\Component\Process\Process;
+
+test('filter works with unicode characters in filename', function () {
+    $process = new Process([
+        'php',
+        'bin/pest',
+        'tests/.tests/StraßenTest.php',
+        '--colors=never',
+    ], dirname(__DIR__, 2), ['COLLISION_PRINTER' => 'DefaultPrinter', 'COLLISION_IGNORE_DURATION' => 'true']);
+
+    $process->run();
+
+    $output = $process->getOutput();
+
+    expect($output)->toContain('StraßenTest');
+    expect($output)->toContain('tests unicode filename');
+    expect($output)->toContain('1 passed');
+})->skipOnWindows();
+
+test('filter with unicode regex matches unicode filename', function () {
+    $process = new Process([
+        'php',
+        'bin/pest',
+        '--filter=.*Straß.*',
+        'tests/.tests/',
+        '--colors=never',
+    ], dirname(__DIR__, 2), ['COLLISION_PRINTER' => 'DefaultPrinter', 'COLLISION_IGNORE_DURATION' => 'true']);
+
+    $process->run();
+
+    $output = $process->getOutput();
+
+    expect($output)->toContain('StraßenTest');
+    expect($output)->toContain('1 passed');
+})->skipOnWindows();

tests/Visual/Version.php

@@ -1,8 +1,10 @@
 <?php
 
+use Symfony\Component\Process\Process;
+
 test('visual snapshot of help command output', function () {
     $output = function () {
-        $process = (new Symfony\Component\Process\Process(['php', 'bin/pest', '--version'], null, ['COLLISION_PRINTER' => 'DefaultPrinter', 'COLLISION_IGNORE_DURATION' => 'true']));
+        $process = (new Process(['php', 'bin/pest', '--version'], null, ['COLLISION_PRINTER' => 'DefaultPrinter', 'COLLISION_IGNORE_DURATION' => 'true']));
 
         $process->run();