[4.x] fix: respect --colors=never option in parallel mode

bin/worker.php

@@ -22,7 +22,8 @@
 
     $input = new ArgvInput;
 
-    $output = new ConsoleOutput(OutputInterface::VERBOSITY_NORMAL, true);
+    $isDecorated = $workerArgv->getParameterOption('--colors', 'always') !== 'never';
+    $output = new ConsoleOutput(OutputInterface::VERBOSITY_NORMAL, $isDecorated);
 
     Kernel::boot($testSuite, $input, $output);
 });

src/Plugins/Parallel.php

@@ -16,6 +16,7 @@
 use Stringable;
 use Symfony\Component\Console\Application;
 use Symfony\Component\Console\Input\ArgvInput;
+use Symfony\Component\Console\Output\ConsoleOutput;
 
 use function Pest\version;
 
@@ -127,7 +128,11 @@ private function runTestSuiteInParallel(array $arguments): int
             $arguments
         );
 
-        $exitCode = $this->paratestCommand()->run(new ArgvInput($filteredArguments), new CleanConsoleOutput);
+        $input = new ArgvInput($filteredArguments);
+        $isDecorated = $input->getParameterOption('--colors', 'always') !== 'never';
+        $output = new CleanConsoleOutput(ConsoleOutput::VERBOSITY_NORMAL, $isDecorated);
+
+        $exitCode = $this->paratestCommand()->run($input, $output);
 
         return CallsAddsOutput::execute($exitCode);
     }

src/Plugins/Parallel/Paratest/ResultPrinter.php

@@ -81,7 +81,7 @@ public function print(string $buffer): void
             public function flush(): void {}
         };
 
-        $this->compactPrinter = CompactPrinter::default();
+        $this->compactPrinter = CompactPrinter::create($this->output->isDecorated());
 
         if (! $this->options->configuration->hasLogfileTeamcity()) {
             return;

src/Plugins/Parallel/Support/CompactPrinter.php

@@ -60,18 +60,26 @@ public function __construct(
     }
 
     /**
-     * Creates a new instance of the Compact Printer.
+     * Creates a new instance of the Compact Printer with decoration setting.
      */
-    public static function default(): self
+    public static function create(bool $decorated): self
     {
         return new self(
             terminal(),
-            new ConsoleOutput(decorated: true),
-            new Style(new ConsoleOutput(decorated: true)),
+            new ConsoleOutput(decorated: $decorated),
+            new Style(new ConsoleOutput(decorated: $decorated)),
             terminal()->width() - 4,
         );
     }
 
+    /**
+     * Creates a new instance of the Compact Printer.
+     */
+    public static function default(): self
+    {
+        return self::create(true);
+    }
+
     /**
      * Output an empty line in the console. Useful for providing a little breathing room.
      */

tests/Visual/Parallel.php

@@ -23,3 +23,22 @@
 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)');
 });
+
+test('parallel mode respects --colors=never option', function () {
+    $process = new Process([
+        'php',
+        './bin/pest',
+        '--parallel',
+        '--processes=2',
+        '--colors=never',
+        'tests/Fixtures/DirectoryWithTests/ExampleTest.php',
+    ], dirname(__DIR__, 2), ['COLLISION_PRINTER' => 'DefaultPrinter', 'COLLISION_IGNORE_DURATION' => 'true']);
+    $process->run();
+    $output = $process->getOutput();
+
+    // Output should not contain ANSI color codes when --colors=never is used
+    expect($output)
+        ->not->toMatch('/\x1b\[[0-9;]*m/')  // ANSI color codes pattern
+        ->toContain('Tests:')               // Should still have test output
+        ->toContain('Parallel:');           // Should still indicate parallel mode
+})->skipOnWindows();