Upgrade to PHPUnit 11

Author: BenMorel

.gitignore

@@ -1,6 +1,6 @@
 /vendor
 /composer.lock
-/.phpunit.result.cache
+/.phpunit.cache/
 
 /tools/*
 !/tools/ecs/composer.json

composer.json

@@ -11,7 +11,7 @@
     "php": "^8.2"
   },
   "require-dev": {
-    "phpunit/phpunit": "^9.0",
+    "phpunit/phpunit": "^11.0",
     "php-coveralls/php-coveralls": "^2.0",
     "vimeo/psalm": "6.15.1"
   },

phpunit.xml

@@ -1,13 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" colors="true" bootstrap="vendor/autoload.php" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" colors="true" bootstrap="vendor/autoload.php" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/11.5/phpunit.xsd" cacheDirectory=".phpunit.cache">
   <testsuites>
     <testsuite name="Postcode tests">
       <directory>tests</directory>
+      <exclude>tests/CountryPostcodeFormatterTest.php</exclude>
     </testsuite>
   </testsuites>
-  <coverage processUncoveredFiles="true">
+  <source>
     <include>
       <directory suffix=".php">src</directory>
     </include>
-  </coverage>
+  </source>
 </phpunit>

tests/CountryPostcodeFormatterTest.php

@@ -5,22 +5,21 @@
 namespace Brick\Postcode\Tests;
 
 use Brick\Postcode\CountryPostcodeFormatter;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 
 /**
  * Base class for individual country postcode formatter tests.
  */
 abstract class CountryPostcodeFormatterTest extends TestCase
 {
-    /**
-     * @dataProvider providerFormat
-     */
+    #[DataProvider('providerFormat')]
     public function testFormat(string $input, ?string $expectedOutput): void
     {
         self::assertSame($expectedOutput, $this->getFormatter()->format($input));
     }
 
-    abstract public function providerFormat(): array;
+    abstract public static function providerFormat(): array;
 
     abstract protected function getFormatter(): CountryPostcodeFormatter;
 }

tests/Formatter/ADFormatterTest.php

@@ -13,7 +13,7 @@
  */
 class ADFormatterTest extends CountryPostcodeFormatterTest
 {
-    public function providerFormat(): array
+    public static function providerFormat(): array
     {
         return [
             ['', null],

tests/Formatter/AFFormatterTest.php

@@ -13,7 +13,7 @@
  */
 class AFFormatterTest extends CountryPostcodeFormatterTest
 {
-    public function providerFormat(): array
+    public static function providerFormat(): array
     {
         return [
             ['', null],

tests/Formatter/AIFormatterTest.php

@@ -13,7 +13,7 @@
  */
 class AIFormatterTest extends CountryPostcodeFormatterTest
 {
-    public function providerFormat(): array
+    public static function providerFormat(): array
     {
         return [
             ['', null],

tests/Formatter/ALFormatterTest.php

@@ -13,7 +13,7 @@
  */
 class ALFormatterTest extends CountryPostcodeFormatterTest
 {
-    public function providerFormat(): array
+    public static function providerFormat(): array
     {
         return [
             ['', null],

tests/Formatter/AMFormatterTest.php

@@ -13,7 +13,7 @@
  */
 class AMFormatterTest extends CountryPostcodeFormatterTest
 {
-    public function providerFormat(): array
+    public static function providerFormat(): array
     {
         return [
             ['', null],

tests/Formatter/AQFormatterTest.php

@@ -13,7 +13,7 @@
  */
 class AQFormatterTest extends CountryPostcodeFormatterTest
 {
-    public function providerFormat(): array
+    public static function providerFormat(): array
     {
         return [
             ['', null],