Move to readonly classes (#933)

composer.json

@@ -40,13 +40,13 @@
         "ext-simplexml": "*",
         "fidry/cpu-core-counter": "^1.2.0",
         "jean85/pretty-package-versions": "^2.1.0",
-        "phpunit/php-code-coverage": "^11.0.8 || ^12",
+        "phpunit/php-code-coverage": "^11.0.9 || ^12.0.4",
         "phpunit/php-file-iterator": "^5.1.0 || ^6",
         "phpunit/php-timer": "^7.0.1 || ^8",
-        "phpunit/phpunit": "^11.5.7 || ^12.0.1",
+        "phpunit/phpunit": "^11.5.11 || ^12.0.6",
         "sebastian/environment": "^7.2.0 || ^8",
         "symfony/console": "^6.4.17 || ^7.2.1",
-        "symfony/process": "^6.4.15 || ^7.2.0"
+        "symfony/process": "^6.4.19 || ^7.2.4"
     },
     "require-dev": {
         "ext-pcov": "*",

src/Coverage/CoverageMerger.php

@@ -10,10 +10,10 @@
 use function assert;
 
 /** @internal */
-final class CoverageMerger
+final readonly class CoverageMerger
 {
     public function __construct(
-        private readonly CodeCoverage $coverage
+        private CodeCoverage $coverage
     ) {
     }
 

src/JUnit/LogMerger.php

@@ -15,7 +15,7 @@
  *
  * @immutable
  */
-final class LogMerger
+final readonly class LogMerger
 {
     /** @param list<SplFileInfo> $junitFiles */
     public function merge(array $junitFiles): ?TestSuite

src/JUnit/TestCase.php

@@ -17,15 +17,15 @@
  *
  * @immutable
  */
-class TestCase
+readonly class TestCase
 {
     public function __construct(
-        public readonly string $name,
-        public readonly string $class,
-        public readonly string $file,
-        public readonly int $line,
-        public readonly int $assertions,
-        public readonly float $time
+        public string $name,
+        public string $class,
+        public string $file,
+        public int $line,
+        public int $assertions,
+        public float $time
     ) {
     }
 

src/JUnit/TestCaseWithMessage.php

@@ -9,7 +9,7 @@
  *
  * @immutable
  */
-final class TestCaseWithMessage extends TestCase
+final readonly class TestCaseWithMessage extends TestCase
 {
     public function __construct(
         string $name,
@@ -18,9 +18,9 @@ public function __construct(
         int $line,
         int $assertions,
         float $time,
-        public readonly ?string $type,
-        public readonly string $text,
-        public readonly MessageType $xmlTagName
+        public ?string $type,
+        public string $text,
+        public MessageType $xmlTagName
     ) {
         parent::__construct($name, $class, $file, $line, $assertions, $time);
     }

src/JUnit/TestSuite.php

@@ -16,23 +16,23 @@
  *
  * @immutable
  */
-final class TestSuite
+final readonly class TestSuite
 {
     /**
      * @param array<string, TestSuite> $suites
      * @param list<TestCase>           $cases
      */
     public function __construct(
-        public readonly string $name,
-        public readonly int $tests,
-        public readonly int $assertions,
-        public readonly int $failures,
-        public readonly int $errors,
-        public readonly int $skipped,
-        public readonly float $time,
-        public readonly string $file,
-        public readonly array $suites,
-        public readonly array $cases
+        public string $name,
+        public int $tests,
+        public int $assertions,
+        public int $failures,
+        public int $errors,
+        public int $skipped,
+        public float $time,
+        public string $file,
+        public array $suites,
+        public array $cases
     ) {
     }
 

src/JUnit/Writer.php

@@ -21,10 +21,10 @@
 use const ENT_XML1;
 
 /** @internal */
-final class Writer
+final readonly class Writer
 {
     private const TESTSUITES_NAME = 'PHPUnit tests';
-    private readonly DOMDocument $document;
+    private DOMDocument $document;
 
     public function __construct()
     {

src/Options.php

@@ -44,7 +44,7 @@
  *
  * @immutable
  */
-final class Options
+final readonly class Options
 {
     public const ENV_KEY_TOKEN        = 'TEST_TOKEN';
     public const ENV_KEY_UNIQUE_TOKEN = 'UNIQUE_TEST_TOKEN';
@@ -89,18 +89,18 @@ final class Options
      * @param non-empty-string                                                      $tmpDir
      */
     public function __construct(
-        public readonly Configuration $configuration,
-        public readonly string $phpunit,
-        public readonly string $cwd,
-        public readonly int $maxBatchSize,
-        public readonly bool $noTestTokens,
-        public readonly ?array $passthruPhp,
-        public readonly array $phpunitOptions,
-        public readonly int $processes,
-        public readonly string $runner,
-        public readonly string $tmpDir,
-        public readonly bool $verbose,
-        public readonly bool $functional,
+        public Configuration $configuration,
+        public string $phpunit,
+        public string $cwd,
+        public int $maxBatchSize,
+        public bool $noTestTokens,
+        public ?array $passthruPhp,
+        public array $phpunitOptions,
+        public int $processes,
+        public string $runner,
+        public string $tmpDir,
+        public bool $verbose,
+        public bool $functional,
     ) {
         $this->needsTeamcity = $configuration->outputIsTeamCity() || $configuration->hasLogfileTeamcity();
     }

src/Util/PhpstormHelper.php

@@ -12,7 +12,7 @@
 use function str_ends_with;
 
 /** @internal */
-final class PhpstormHelper
+final readonly class PhpstormHelper
 {
     /** @param  array<int, string> $argv */
     public static function handleArgvFromPhpstorm(array &$argv, string $paratestBinary): string

src/WrapperRunner/ApplicationForWrapperWorker.php

@@ -215,7 +215,7 @@ private function bootstrap(): void
             try {
                 $baseline = (new Reader())->read($baselineFile);
             } catch (CannotLoadBaselineException $e) {
-                EventFacade::emitter()->testRunnerTriggeredWarning($e->getMessage());
+                EventFacade::emitter()->testRunnerTriggeredPhpunitWarning($e->getMessage());
             }
 
             if ($baseline !== null) {

src/WrapperRunner/ProgressPrinterOutput.php

@@ -9,11 +9,11 @@
 use function preg_match;
 
 /** @internal */
-final class ProgressPrinterOutput implements Printer
+final readonly class ProgressPrinterOutput implements Printer
 {
     public function __construct(
-        private readonly Printer $progressPrinter,
-        private readonly Printer $outputPrinter,
+        private Printer $progressPrinter,
+        private Printer $outputPrinter,
     ) {
     }
 

src/WrapperRunner/SuiteLoader.php

@@ -42,14 +42,14 @@
 use function substr;
 
 /** @internal */
-final class SuiteLoader
+final readonly class SuiteLoader
 {
-    public readonly int $testCount;
+    public int $testCount;
     /** @var list<non-empty-string> */
-    public readonly array $tests;
+    public array $tests;
 
     public function __construct(
-        private readonly Options $options,
+        private Options $options,
         OutputInterface $output,
         CodeCoverageFilterRegistry $codeCoverageFilterRegistry,
     ) {

test/RunnerResult.php

@@ -5,11 +5,11 @@
 namespace ParaTest\Tests;
 
 /** @immutable */
-final class RunnerResult
+final readonly class RunnerResult
 {
     public function __construct(
-        public readonly int $exitCode,
-        public readonly string $output
+        public int $exitCode,
+        public string $output
     ) {
     }
 }

test/TmpDirCreator.php

@@ -12,7 +12,7 @@
 
 use const DIRECTORY_SEPARATOR;
 
-final class TmpDirCreator
+final readonly class TmpDirCreator
 {
     /** @return non-empty-string */
     public function create(): string

test/Unit/CustomRunner.php

@@ -7,7 +7,7 @@
 use ParaTest\RunnerInterface;
 
 /** @internal */
-final class CustomRunner implements RunnerInterface
+final readonly class CustomRunner implements RunnerInterface
 {
     public const EXIT_CODE = 99;
 

test/Unit/WrapperRunner/WrapperRunnerTest.php

@@ -599,7 +599,7 @@ public function testHandleUnexpectedOutput(): void
 There was 1 risky test:
 
 1) ParaTest\Tests\fixtures\unexpected_output\UnexpectedOutputTest::testInvalidLogic
-This test printed output: foobar
+Test code or tested code printed unexpected output: foobar
 
 %s/test/fixtures/unexpected_output/UnexpectedOutputTest.php:%d