From 04e3e8301a896fab228e989f6323e1c1d6618574 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micka=C3=ABl?= <mickael.bourgier@gmail.com>
Date: Thu, 18 Jul 2024 11:48:31 +0200
Subject: [PATCH] Make `StreamWrapper::stream_stat()` returns `false` if inner
 stream's size is `null` (#594)

---
 src/StreamWrapper.php       |  8 ++++++--
 tests/StreamWrapperTest.php | 12 ++++++++++++
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/StreamWrapper.php b/src/StreamWrapper.php
index 3534729e..77b04d74 100644
--- a/src/StreamWrapper.php
+++ b/src/StreamWrapper.php
@@ -136,10 +136,14 @@ public function stream_cast(int $cast_as)
      *   ctime: int,
      *   blksize: int,
      *   blocks: int
-     * }
+     * }|false
      */
-    public function stream_stat(): array
+    public function stream_stat()
     {
+        if ($this->stream->getSize() === null) {
+            return false;
+        }
+
         static $modeMap = [
             'r' => 33060,
             'rb' => 33060,
diff --git a/tests/StreamWrapperTest.php b/tests/StreamWrapperTest.php
index 153095d8..e30d177b 100644
--- a/tests/StreamWrapperTest.php
+++ b/tests/StreamWrapperTest.php
@@ -6,6 +6,7 @@
 
 use GuzzleHttp\Psr7;
 use GuzzleHttp\Psr7\StreamWrapper;
+use GuzzleHttp\Psr7\Utils;
 use PHPUnit\Framework\TestCase;
 use Psr\Http\Message\StreamInterface;
 
@@ -187,4 +188,15 @@ public function testXmlWriterWithStream(): void
         $stream->rewind();
         self::assertXmlStringEqualsXmlString('<?xml version="1.0"?><foo />', (string) $stream);
     }
+
+    public function testWrappedNullSizedStreamStaysNullSized(): void
+    {
+        $nullSizedStream = new Psr7\PumpStream(function () { return ''; });
+        $this->assertNull($nullSizedStream->getSize());
+
+        $resource = StreamWrapper::getResource($nullSizedStream);
+        $stream = Utils::streamFor($resource);
+
+        $this->assertNull($stream->getSize());
+    }
 }