Fix psalm errors

Tests/Form/DataTransformer/CurrencyToArrayTransformerTest.php

@@ -70,7 +70,7 @@ public function testReverseFormValueIsNotArray(): void
 
     public function testReverseThrowExceptionIfCurrencyCodeNotValid(): void
     {
-        $this->expectException(TransformationFailedException::class);
+        $this->expectException(UnexpectedTypeException::class);
         $value = ['tbbc_name' => 123];
         $transformer = new CurrencyToArrayTransformer();
         $transformer->reverseTransform($value);

Tests/Pair/RatioProvider/ECBRatioProviderTest.php

@@ -55,7 +55,7 @@ public function testNotCorrectReferenceCode(): void
     public function testUnknownCurrency(): void
     {
         $this->expectException(MoneyException::class);
-        $this->expectExceptionMessage('The currency code "" does not exist');
+        $this->expectExceptionMessage('The currency code is an empty string');
         $this->ratio->fetchRatio('EUR', '');
     }
 

Tests/Pair/RatioProvider/ExchangerAdapterRatioProviderTest.php

@@ -32,9 +32,7 @@ protected function getRatioProvider(): RatioProviderInterface
     public function testInvalidCurrencyCode(): void
     {
         $this->expectException(MoneyException::class);
-        $this->expectException(InvalidArgumentException::class);
-        $this->expectExceptionMessage('The currency pair must be in the form "EUR/USD".');
-        //$this->expectExceptionMessage('The currency code "" does not exist');
+        $this->expectExceptionMessage('The currency code is an empty string');
 
         $ratiosSetup['EUR/123'] = $this->randomRatio(1, 3, 1);
         $service = new PhpArray($ratiosSetup);

src/Command/RatioListCommand.php

@@ -35,7 +35,7 @@ protected function configure(): void
     }
 
     /**
-     * @param array<string, float> $ratioList
+     * @param array<string, null|float> $ratioList
      */
     protected function displayTxt(array $ratioList, OutputInterface $output, SymfonyStyle $io): int
     {
@@ -49,7 +49,7 @@ protected function displayTxt(array $ratioList, OutputInterface $output, Symfony
     }
 
     /**
-     * @param array<string, float> $ratioList
+     * @param array<string, null|float> $ratioList
      */
     protected function displayTable(array $ratioList, OutputInterface $output, SymfonyStyle $io): int
     {
@@ -67,7 +67,7 @@ protected function displayTable(array $ratioList, OutputInterface $output, Symfo
     }
 
     /**
-     * @param array<string, float> $ratioList
+     * @param array<string, null|float> $ratioList
      * @throws \JsonException
      */
     protected function displayJson(array $ratioList, OutputInterface $output): int

src/Form/DataTransformer/CurrencyToArrayTransformer.php

@@ -12,14 +12,18 @@
 use TypeError;
 
 /**
- * Transforms between a Currency and a string.
+ * Transforms between a Currency and an array.
+ * 
+ * @implements DataTransformerInterface<Currency, array>
  */
 class CurrencyToArrayTransformer implements DataTransformerInterface
 {
     /**
      * {@inheritdoc}
+     * 
+     * @psalm-param Currency|null $value
      */
-    public function transform($value): ?array
+    public function transform(mixed $value): ?array
     {
         if (null === $value) {
             return null;
@@ -33,15 +37,16 @@ public function transform($value): ?array
 
     /**
      * {@inheritdoc}
-     *
-     * @psalm-suppress MixedArgument
+     * 
+     * @psalm-param array|null $value
      */
-    public function reverseTransform($value): ?Currency
+    public function reverseTransform(mixed $value): ?Currency
     {
         if (null === $value) {
             return null;
         }
 
+        /** @psalm-suppress DocblockTypeContradiction */
         if (!is_array($value)) {
             throw new UnexpectedTypeException($value, 'array');
         }
@@ -50,6 +55,14 @@ public function reverseTransform($value): ?Currency
             return null;
         }
 
+        if (!is_string($value['tbbc_name'])) {
+            throw new UnexpectedTypeException($value, 'string');
+        }
+
+        if ('' === $value['tbbc_name']) {
+            throw new TransformationFailedException('name can not be an empty string');
+        }
+
         try {
             return new Currency($value['tbbc_name']);
         } catch (InvalidArgumentException|TypeError $e) {

src/Form/DataTransformer/MoneyToArrayTransformer.php

@@ -7,11 +7,14 @@
 use Money\Currency;
 use Money\Money;
 use Symfony\Component\Form\DataTransformerInterface;
+use Symfony\Component\Form\Exception\TransformationFailedException;
 use Symfony\Component\Form\Exception\UnexpectedTypeException;
 use Symfony\Component\Form\Extension\Core\DataTransformer\MoneyToLocalizedStringTransformer;
 
 /**
- * Transforms between a Money instance and an array.
+ * Transforms between a Money and an array.
+ * 
+ * @implements DataTransformerInterface<Money, array>
  */
 class MoneyToArrayTransformer implements DataTransformerInterface
 {
@@ -24,10 +27,12 @@ public function __construct(protected int $decimals = 2)
 
     /**
      * {@inheritdoc}
-     *
-     * @psalm-return array{tbbc_amount: string, tbbc_currency: Currency}|null
+     * 
+     * @psalm-param Money|null $value
+     * 
+     * @psalm-return array{tbbc_amount: string, tbbc_currency: Currency}|array{tbbc_amount: string}|null
      */
-    public function transform($value): ?array
+    public function transform(mixed $value): ?array
     {
         if (null === $value) {
             return null;
@@ -47,16 +52,20 @@ public function transform($value): ?array
 
     /**
      * {@inheritdoc}
+     * 
+     * @psalm-param array|null $value
      */
-    public function reverseTransform($value): ?Money
+    public function reverseTransform(mixed $value): ?Money
     {
         if (null === $value) {
             return null;
         }
 
+        /** @psalm-suppress DocblockTypeContradiction */
         if (!is_array($value)) {
             throw new UnexpectedTypeException($value, 'array');
         }
+
         if (!isset($value['tbbc_amount']) || !isset($value['tbbc_currency'])) {
             return null;
         }
@@ -69,6 +78,11 @@ public function reverseTransform($value): ?Money
 
         /** @var string|Currency $currency */
         $currency = $value['tbbc_currency'];
+
+        if ('' === $currency) {
+            throw new TransformationFailedException('currency can not be an empty string');
+        }
+
         if (!$currency instanceof Currency) {
             $currency = new Currency($currency);
         }

src/Form/DataTransformer/SimpleMoneyToArrayTransformer.php

@@ -7,21 +7,25 @@
 use Money\Money;
 
 /**
- * Transforms between a Money instance and an array.
+ * Transforms between a Money and an array.
  */
 class SimpleMoneyToArrayTransformer extends MoneyToArrayTransformer
 {
     protected string $currency = '';
 
-    public function __construct(int $decimals)
+    public function __construct(protected int $decimals)
     {
         parent::__construct($decimals);
     }
 
     /**
      * {@inheritdoc}
+     * 
+     * @psalm-param Money|null $value
+     * 
+     * @psalm-return array{tbbc_amount: string}|null
      */
-    public function transform($value): ?array
+    public function transform(mixed $value): ?array
     {
         if (!$tab = parent::transform($value)) {
             return null;
@@ -34,8 +38,10 @@ public function transform($value): ?array
 
     /**
      * {@inheritdoc}
+     * 
+     * @psalm-param array|null $value
      */
-    public function reverseTransform($value): ?Money
+    public function reverseTransform(mixed $value): ?Money
     {
         if (is_array($value)) {
             $value['tbbc_currency'] = $this->currency;

src/Money/MoneyManager.php

@@ -6,6 +6,7 @@
 
 use Money\Currency;
 use Money\Money;
+use Tbbc\MoneyBundle\MoneyException;
 
 /**
  * @author levan
@@ -14,16 +15,24 @@ class MoneyManager implements MoneyManagerInterface
 {
     public function __construct(protected string $referenceCurrencyCode, protected int $decimals = 2)
     {
+        if ('' === $referenceCurrencyCode) {
+            throw new MoneyException('reference currency can not be an empty string');
+        }
     }
 
     /**
      * {@inheritdoc}
      */
     public function createMoneyFromFloat(float $floatAmount, ?string $currencyCode = null): Money
     {
-        if (is_null($currencyCode)) {
+        if (null === $currencyCode) {
             $currencyCode = $this->referenceCurrencyCode;
         }
+
+        if ('' === $currencyCode) {
+            throw new MoneyException('currency can not be an empty string');
+        }
+
         $currency = new Currency($currencyCode);
         $amountAsInt = $floatAmount * 10 ** $this->decimals;
         $amountAsInt = round($amountAsInt);

src/Pair/PairManager.php

@@ -26,6 +26,7 @@ class PairManager implements PairManagerInterface, Exchange
 
     public function __construct(
         protected StorageInterface $storage,
+        /** @var string[] */
         protected array $currencyCodeList,
         protected string $referenceCurrencyCode,
         protected EventDispatcherInterface $dispatcher
@@ -38,6 +39,10 @@ public function __construct(
      */
     public function convert(Money $amount, string $currencyCode): Money
     {
+        if ('' === $currencyCode) {
+            throw new MoneyException('currency can not be an empty string');
+        }
+
         $converter = new Converter($this->currencies, $this);
 
         return $converter->convert($amount, new Currency($currencyCode));
@@ -58,6 +63,10 @@ public function quote(Currency $baseCurrency, Currency $counterCurrency): Curren
      */
     public function saveRatio(string $currencyCode, float $ratio): void
     {
+        if ('' === $currencyCode) {
+            throw new MoneyException('currency can not be an empty string');
+        }
+
         $currency = new Currency($currencyCode);
 
         if ($ratio <= 0) {
@@ -85,6 +94,14 @@ public function saveRatio(string $currencyCode, float $ratio): void
      */
     public function getRelativeRatio(string $referenceCurrencyCode, string $currencyCode): float
     {
+        if ('' === $referenceCurrencyCode) {
+            throw new MoneyException('reference currency can not be an empty string');
+        }
+
+        if ('' === $currencyCode) {
+            throw new MoneyException('currency can not be an empty string');
+        }
+
         $currency = new Currency($currencyCode);
         $referenceCurrency = new Currency($referenceCurrencyCode);
         if ($currencyCode === $referenceCurrencyCode) {

src/Pair/PairManagerInterface.php

@@ -49,7 +49,7 @@ public function getReferenceCurrencyCode(): string;
      * return ratio list for currencies in comparison to reference currency
      * array of type array("EUR" => 1, "USD" => 1.25);.
      *
-     * @return array<string, float>
+     * @return array<string, null|float>
      */
     public function getRatioList(): array;
 

src/Pair/RatioProvider/ECBRatioProvider.php

@@ -51,7 +51,7 @@ public function fetchRatio(string $referenceCurrencyCode, string $currencyCode):
         }
 
         if ('' === $currencyCode) {
-            throw new MoneyException(sprintf('The currency code "%s" does not exist', $currencyCode));
+            throw new MoneyException('The currency code is an empty string');
         }
 
         try {
@@ -60,7 +60,8 @@ public function fetchRatio(string $referenceCurrencyCode, string $currencyCode):
             throw new MoneyException(sprintf('The currency code "%s" does not exists', $currencyCode));
         }
 
-        if (!$xml = $this->getXML()) {
+        $xml = $this->getXML();
+        if (null === $xml || '' === $xml) {
             throw new MoneyException('Could not fetch XML from ECB');
         }
 

src/Pair/RatioProvider/ExchangerAdapterRatioProvider.php

@@ -52,6 +52,10 @@ private function getCurrencyPair(string $referenceCurrencyCode, string $currency
 
     private function ensureValidCurrency(string $currencyCode): void
     {
+        if ('' === $currencyCode) {
+            throw new MoneyException('The currency code is an empty string');
+        }
+
         try {
             new Currency($currencyCode);
         } catch (UnknownCurrencyException|InvalidArgumentException) {

src/Pair/Storage/CsvStorage.php

@@ -17,6 +17,7 @@
  */
 class CsvStorage implements StorageInterface
 {
+    /** @psalm-var array<string, null|float> */
     protected array $ratioList = [];
 
     public function __construct(protected string $ratioFileName, protected string $referenceCurrencyCode)
@@ -52,6 +53,9 @@ public function loadRatioList(bool $force = false): array
             [$currencyCode, $ratio] = $data;
 
             // validate that currency exist in currency code list
+            if (null === $currencyCode || '' === $currencyCode) {
+                throw new MoneyException('error in ratioFileName '.$this->ratioFileName.' on line '.$row.', currency is an empty string or is null');
+            }
             // @codeCoverageIgnoreStart
             try {
                 // hack to throw an exception if currency doesn't exist