support php 8.2

src/StringStream.php

@@ -14,12 +14,12 @@ public function __construct(private string $content)
     {
     }
 
-    public function __toString()
+    public function __toString(): string
     {
         return $this->content;
     }
 
-    public function close()
+    public function close(): void
     {
     }
 
@@ -34,74 +34,72 @@ public function detach()
         return $handle;
     }
 
-    public function getSize()
+    public function getSize(): int
     {
         return \strlen($this->content);
     }
 
-    public function tell()
+    public function tell(): int
     {
         return $this->position;
     }
 
-    public function eof()
+    public function eof(): bool
     {
         return $this->position >= \strlen($this->content);
     }
 
-    public function isSeekable()
+    public function isSeekable(): bool
     {
         return true;
     }
 
-    public function seek($offset, $whence = SEEK_SET)
+    public function seek(int $offset, int $whence = SEEK_SET): void
     {
         $length = \strlen($this->content);
         if ($length < $offset) {
             $offset = $length;
         }
 
         $this->position = $offset;
-        return 0;
     }
 
-    public function rewind()
+    public function rewind(): void
     {
         $this->position = 0;
-        return true;
     }
 
-    public function isWritable()
+    public function isWritable(): bool
     {
         return true;
     }
 
-    public function write($string)
+    public function write(string $string): int
     {
         $this->content = \substr_replace($this->content, $string, $this->position, \strlen($string));
         $bytesWritten = \strlen($string);
         $this->content += $bytesWritten;
         return $bytesWritten;
     }
 
-    public function isReadable()
+    public function isReadable(): bool
     {
         return true;
     }
 
-    public function read($length)
+    public function read(int $length): string
     {
         $result = \substr($this->content, $this->position, $length);
         $this->position += \strlen($result);
         return $result;
     }
 
-    public function getContents()
+    public function getContents(): string
     {
         return \substr($this->content, $this->position);
     }
 
-    public function getMetadata($key = null)
+    public function getMetadata(?string $key = null)
     {
         return [];
     }

test/Integration/ErrorResponseTest.php

@@ -6,6 +6,7 @@
 
 use Genkgo\Api\Connection;
 use Genkgo\Api\Exception\ResponseException;
+use Genkgo\Api\StringStream;
 use GuzzleHttp\Client;
 use GuzzleHttp\Exception\ServerException;
 use GuzzleHttp\Psr7\HttpFactory;
@@ -28,7 +29,7 @@ public function testClientError(): void
         $httpResponse
             ->expects($this->any())
             ->method('getBody')
-            ->willReturn('error message');
+            ->willReturn(new StringStream('error message'));
 
         $client
             ->expects($this->once())

test/Integration/JsonResponseTest.php

@@ -6,6 +6,7 @@
 
 use Genkgo\Api\Connection;
 use Genkgo\Api\Response;
+use Genkgo\Api\StringStream;
 use GuzzleHttp\Client;
 use GuzzleHttp\Psr7\HttpFactory;
 use PHPUnit\Framework\TestCase;
@@ -36,7 +37,7 @@ function (RequestInterface $request) {
         $httpResponse
             ->expects($this->once())
             ->method('getBody')
-            ->willReturn(\json_encode([['id' => 1, 'name' => 'Top Element']]));
+            ->willReturn(new StringStream(\json_encode([['id' => 1, 'name' => 'Top Element']])));
 
         $httpResponse
             ->expects($this->once())
@@ -66,7 +67,7 @@ public function testJsonWithCharset(): void
         $httpResponse
             ->expects($this->once())
             ->method('getBody')
-            ->willReturn(\json_encode([['id' => 1, 'name' => 'Top Element']]));
+            ->willReturn(new StringStream(\json_encode([['id' => 1, 'name' => 'Top Element']])));
 
         $httpResponse
             ->expects($this->once())

test/Integration/TextResponseTest.php

@@ -6,6 +6,7 @@
 
 use Genkgo\Api\Connection;
 use Genkgo\Api\Response;
+use Genkgo\Api\StringStream;
 use GuzzleHttp\Client;
 use GuzzleHttp\Psr7\HttpFactory;
 use PHPUnit\Framework\TestCase;
@@ -28,7 +29,7 @@ public function testText(): void
         $httpResponse
             ->expects($this->once())
             ->method('getBody')
-            ->willReturn('true');
+            ->willReturn(new StringStream('true'));
 
         $httpResponse
             ->expects($this->once())