Upgrade to PHPUnit 10

.gitignore

@@ -1,3 +1,3 @@
 /vendor
 /composer.lock
-/.phpunit.result.cache
+/.phpunit.cache

composer.json

@@ -18,7 +18,7 @@
         "ext-pdo": "*",
         "brick/varexporter": "~0.3.0",
         "php-coveralls/php-coveralls": "^2.2",
-        "phpunit/phpunit": "^9.4.3",
+        "phpunit/phpunit": "^10.1",
         "vimeo/psalm": "5.14.1"
     },
     "suggest": {

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">
-   <testsuites>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" colors="true" bootstrap="vendor/autoload.php" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.3/phpunit.xsd" cacheDirectory=".phpunit.cache">
+  <testsuites>
     <testsuite name="Money tests">
       <directory>tests</directory>
     </testsuite>
   </testsuites>
-  <coverage processUncoveredFiles="true">
+  <coverage/>
+  <source>
     <include>
       <directory suffix=".php">src</directory>
     </include>
-  </coverage>
+  </source>
 </phpunit>

tests/Context/AutoContextTest.php

@@ -39,7 +39,7 @@ public function testApplyTo(string $amount, string $currency, RoundingMode $roun
         }
     }
 
-    public function providerApplyTo() : array
+    public static function providerApplyTo() : array
     {
         return [
             ['1', 'USD', RoundingMode::UNNECESSARY, '1'],

tests/Context/CashContextTest.php

@@ -38,7 +38,7 @@ public function testApplyTo(int $step, string $amount, string $currency, Roundin
         }
     }
 
-    public function providerApplyTo() : array
+    public static function providerApplyTo() : array
     {
         return [
             [1, '1', 'USD', RoundingMode::UNNECESSARY, '1.00'],

tests/Context/CustomContextTest.php

@@ -38,7 +38,7 @@ public function testApplyTo(int $scale, int $step, string $amount, string $curre
         }
     }
 
-    public function providerApplyTo() : array
+    public static function providerApplyTo() : array
     {
         return [
             [2, 1, '1', 'USD', RoundingMode::UNNECESSARY, '1.00'],

tests/Context/DefaultContextTest.php

@@ -38,7 +38,7 @@ public function testApplyTo(string $amount, string $currency, RoundingMode $roun
         }
     }
 
-    public function providerApplyTo() : array
+    public static function providerApplyTo() : array
     {
         return [
             ['1', 'USD', RoundingMode::UNNECESSARY, '1.00'],

tests/CurrencyConverterTest.php

@@ -57,7 +57,7 @@ public function testConvertMoney(array $money, string $toCurrency, RoundingMode
         }
     }
 
-    public function providerConvertMoney() : array
+    public static function providerConvertMoney() : array
     {
         return [
             [['1.23', 'EUR'], 'USD', RoundingMode::DOWN, 'USD 1.35'],
@@ -101,7 +101,7 @@ public function testConvertMoneyBag(array $monies, string $currency, Context $co
         $this->assertMoneyIs($total, $currencyConverter->convert($moneyBag, $currency, $context, $roundingMode));
     }
 
-    public function providerConvertMoneyBag() : array
+    public static function providerConvertMoneyBag() : array
     {
         return [
             [[['354.40005', 'EUR'], ['3.1234', 'JPY']], 'USD', new DefaultContext(), RoundingMode::DOWN, 'USD 437.56'],
@@ -138,7 +138,7 @@ public function testConvertMoneyBagToRational(array $monies, string $currency, s
         $this->assertRationalMoneyEquals($expectedTotal, $actualTotal);
     }
 
-    public function providerConvertMoneyBagToRational() : array
+    public static function providerConvertMoneyBagToRational() : array
     {
         return [
             [[['354.40005', 'EUR'], ['3.1234', 'JPY']], 'USD', 'USD 19909199529475444524673813/50000000000000000000000'],
@@ -171,7 +171,7 @@ public function testConvertRationalMoney(array $money, string $toCurrency, Round
         }
     }
 
-    public function providerConvertRationalMoney() : array
+    public static function providerConvertRationalMoney() : array
     {
         return [
             [['7/9', 'USD'], 'EUR', RoundingMode::DOWN, 'EUR 0.70'],

tests/CurrencyTest.php

@@ -29,7 +29,7 @@ public function testOf(string $currencyCode, int $numericCode, int $fractionDigi
         $this->assertCurrencyEquals($currencyCode, $numericCode, $name, $fractionDigits, $currency);
     }
 
-    public function providerOf() : array
+    public static function providerOf() : array
     {
         return [
             ['USD', 840, 2, 'US Dollar'],
@@ -49,7 +49,7 @@ public function testOfUnknownCurrencyCode(string|int $currencyCode) : void
         Currency::of($currencyCode);
     }
 
-    public function providerOfUnknownCurrencyCode() : array
+    public static function providerOfUnknownCurrencyCode() : array
     {
         return [
             ['XXX'],
@@ -85,7 +85,7 @@ public function testOfCountry(string $countryCode, string $expected) : void
         }
     }
 
-    public function providerOfCountry() : array
+    public static function providerOfCountry() : array
     {
         return [
             ['CA', 'CAD'],
@@ -133,7 +133,7 @@ public function testJsonSerialize(Currency $currency, string $expected): void
         self::assertSame(json_encode($expected), json_encode($currency));
     }
 
-    public function providerJsonSerialize(): array
+    public static function providerJsonSerialize(): array
     {
         return [
             [Currency::of('USD'), 'USD']

tests/ExchangeRateProvider/BaseCurrencyProviderTest.php

@@ -42,7 +42,7 @@ public function testGetExchangeRate(string $sourceCurrencyCode, string $targetCu
         self::assertSame($exchangeRate, (string) $rate->toScale(6, RoundingMode::DOWN));
     }
 
-    public function providerGetExchangeRate() : array
+    public static function providerGetExchangeRate() : array
     {
         return [
             ['USD', 'EUR', '0.900000'],
@@ -76,7 +76,7 @@ public function testReturnBigNumber(BigNumber|float|int|string $rate) : void
         $this->assertInstanceOf(BigNumber::class, $rate);
     }
 
-    public function providerReturnBigNumber() : array
+    public static function providerReturnBigNumber() : array
     {
         return [[1], [1.1], ['1.0'], [BigNumber::of('1')]];
     }

tests/ExchangeRateProvider/ConfigurableProviderTest.php

@@ -41,7 +41,7 @@ public function testGetExchangeRate(string $sourceCurrencyCode, string $targetCu
         self::assertSame($exchangeRate, (string) BigRational::of($rate)->toScale(3, RoundingMode::DOWN));
     }
 
-    public function providerGetExchangeRate() : array
+    public static function providerGetExchangeRate() : array
     {
         return [
             ['USD', 'EUR', '0.800'],

tests/ExchangeRateProvider/PDOProviderTest.php

@@ -30,7 +30,7 @@ public function testConfigurationConstructorThrows(Closure $getConfiguration, st
         $getConfiguration();
     }
 
-    public function providerConstructorWithInvalidConfiguration() : array
+    public static function providerConstructorWithInvalidConfiguration() : array
     {
         return [
             [fn () => new PDOProviderConfiguration(
@@ -111,7 +111,7 @@ public function testGetExchangeRate(string $sourceCurrencyCode, string $targetCu
         }
     }
 
-    public function providerGetExchangeRate() : array
+    public static function providerGetExchangeRate() : array
     {
         return [
             ['USD', 'EUR', 0.9],
@@ -165,7 +165,7 @@ public function testWithFixedSourceCurrency(string $sourceCurrencyCode, string $
         }
     }
 
-    public function providerWithFixedSourceCurrency() : array
+    public static function providerWithFixedSourceCurrency() : array
     {
         return [
             ['EUR', 'USD', 1.1],
@@ -219,7 +219,7 @@ public function testWithFixedTargetCurrency(string $sourceCurrencyCode, string $
         }
     }
 
-    public function providerWithFixedTargetCurrency() : array
+    public static function providerWithFixedTargetCurrency() : array
     {
         return [
             ['USD', 'EUR', 0.9],
@@ -281,7 +281,7 @@ public function testWithParameters(string $sourceCurrencyCode, string $targetCur
         }
     }
 
-    public function providerWithParameters() : array
+    public static function providerWithParameters() : array
     {
         return [
             ['EUR', 'USD', [2017, 8], 1.1],

tests/ISOCurrencyProviderTest.php

@@ -41,7 +41,7 @@ public function testGetCurrency(string $currencyCode, int $numericCode, string $
         $this->assertCurrencyEquals($currencyCode, $numericCode, $name, $defaultFractionDigits, $currency);
     }
 
-    public function providerGetCurrency() : array
+    public static function providerGetCurrency() : array
     {
         return [
             ['EUR', 978, 'Euro', 2],
@@ -66,7 +66,7 @@ public function testGetUnknownCurrency(string|int $currencyCode) : void
         ISOCurrencyProvider::getInstance()->getCurrency($currencyCode);
     }
 
-    public function providerUnknownCurrency() : array
+    public static function providerUnknownCurrency() : array
     {
         return [
             ['XXX'],

tests/MoneyComparatorTest.php

@@ -57,7 +57,7 @@ public function testCompare(array $a, array $b, int|string $cmp) : void
         self::assertSame($cmp === 0, $comparator->isEqual($a, $b));
     }
 
-    public function providerCompare() : array
+    public static function providerCompare() : array
     {
         return [
             [['1.00', 'EUR'], ['1', 'EUR'], 0],
@@ -111,7 +111,7 @@ public function testMin(array $monies, string $expectedMin) : void
         }
     }
 
-    public function providerMin() : array
+    public static function providerMin() : array
     {
         return [
             [[['1.00', 'EUR'], ['1.09', 'USD']], 'USD 1.09'],
@@ -149,7 +149,7 @@ public function testMax(array $monies, string $expectedMin) : void
         }
     }
 
-    public function providerMax() : array
+    public static function providerMax() : array
     {
         return [
             [[['1.00', 'EUR'], ['1.09', 'USD']], 'EUR 1.00'],