chore: env

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

.github/workflows/static.yml

@@ -5,7 +5,7 @@ on:
     branches: [4.x]
   pull_request:
   schedule:
-    - cron: '0 0 * * *'
+    - cron: '0 9 * * *'
 
 concurrency:
   group: static-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
@@ -17,6 +17,7 @@ jobs:
     name: Static Tests
 
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     strategy:
       fail-fast: true
       matrix:
@@ -40,7 +41,7 @@ jobs:
       run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
     - name: Cache Composer dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ${{ steps.composer-cache.outputs.dir }}
         key: static-php-8.3-${{ matrix.dependency-version }}-composer-${{ hashFiles('**/composer.json') }}
@@ -60,8 +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

@@ -4,6 +4,8 @@ on:
   push:
     branches: [4.x]
   pull_request:
+  schedule:
+    - cron: '0 9 * * *'
 
 concurrency:
   group: tests-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
@@ -14,6 +16,7 @@ jobs:
     if: github.event_name != 'schedule' || github.repository == 'pestphp/pest'
 
     runs-on: ${{ matrix.os }}
+    timeout-minutes: 15
     strategy:
       fail-fast: true
       matrix:
@@ -45,7 +48,7 @@ jobs:
       run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
 
     - name: Cache Composer dependencies
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ${{ steps.composer-cache.outputs.dir }}
         key: ${{ matrix.os }}-php-${{ matrix.php }}-symfony-${{ matrix.symfony }}-composer-${{ hashFiles('**/composer.json') }}

composer.json

@@ -56,7 +56,7 @@
     },
     "require-dev": {
         "pestphp/pest-dev-tools": "^4.1.0",
-        "pestphp/pest-plugin-browser": "^4.3.0",
+        "pestphp/pest-plugin-browser": "^4.3.1",
         "pestphp/pest-plugin-type-coverage": "^4.0.4",
         "psy/psysh": "^0.12.22"
     },
@@ -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",

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')
@@ -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/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;
@@ -669,6 +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.
      */
@@ -783,7 +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/Factories/TestCaseFactory.php

@@ -116,8 +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;
 

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

@@ -167,6 +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/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);
@@ -171,9 +170,19 @@ final class ResultPrinter
 
         $state = (new StateGenerator)->fromPhpUnitTestResult($this->passedTests, $testResult);
 
+        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;
@@ -231,7 +232,7 @@ final class WrapperRunner implements RunnerInterface
         $this->printer->printFeedback(
             $worker->progressFile,
             $worker->unexpectedOutputFile,
-            $this->teamcityFiles,
+            $worker->teamcityFile ?? null,
         );
         $worker->reset();
     }
@@ -491,15 +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(
+        /** @var array<string, null> $files */
+        $files = [];
+
+        foreach (array_filter(
             $suiteLoader->tests,
             fn (string $filename): bool => ! str_ends_with($filename, "eval()'d code")
-            )),
-            ...TestSuite::getInstance()->tests->getFilenames(),
-        ];
+        ) as $filename) {
+            $resolved = realpath($filename) ?: $filename;
+            $files[$resolved] = null;
+        }
 
-        return $files; // @phpstan-ignore-line
+        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/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/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()))
+                ));
+            }
+        }
+    }
 }

stubs/init-laravel/Pest.php.stub

@@ -10,7 +10,7 @@ use Tests\TestCase;
 |
 | 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.
 |
 */
 

stubs/init/Pest.php.stub

@@ -9,7 +9,7 @@ use Tests\TestCase;
 |
 | 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.
 |
 */
 

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 (2813 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/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/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/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/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, 1177 passed (2789 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

@@ -12,7 +12,7 @@ test('visual snapshot of test suite on success', function () {
 
     $output = function () use ($testsPath) {
         $process = (new Process(
-            ['php', 'bin/pest'],
+            ['php', '-d', 'memory_limit=256M', 'bin/pest'],
             dirname($testsPath),
             ['EXCLUDE' => 'integration', '--exclude-group' => 'integration', 'REBUILD_SNAPSHOTS' => false, 'PARATEST' => 0, 'COLLISION_PRINTER' => 'DefaultPrinter', 'COLLISION_IGNORE_DURATION' => 'true'],
         ));

tests/Visual/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();