From efa9fb12f7db1f823b182e67ae5ba98db3f68dab Mon Sep 17 00:00:00 2001
From: Gustavo Freze <gustavo.freze@outlook.com>
Date: Tue, 24 Feb 2026 02:04:23 -0300
Subject: [PATCH 1/2] fix: Implement LogStream fallback mechanism and add unit
 tests.

---
 src/Internal/Stream/LogStream.php       |  8 ++++-
 tests/Internal/Stream/LogStreamTest.php | 42 +++++++++++++++++++++++++
 2 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100644 tests/Internal/Stream/LogStreamTest.php

diff --git a/src/Internal/Stream/LogStream.php b/src/Internal/Stream/LogStream.php
index 144dd27..dafb875 100644
--- a/src/Internal/Stream/LogStream.php
+++ b/src/Internal/Stream/LogStream.php
@@ -16,7 +16,13 @@ private function __construct(mixed $resource)
 
     public static function from(mixed $resource = null): LogStream
     {
-        return new LogStream(resource: $resource ?? STDERR);
+        if ($resource !== null) {
+            return new LogStream(resource: $resource);
+        }
+
+        $fallback = fopen('php://memory', 'wb+');
+
+        return new LogStream(resource: $fallback);
     }
 
     public function write(string $content): void
diff --git a/tests/Internal/Stream/LogStreamTest.php b/tests/Internal/Stream/LogStreamTest.php
new file mode 100644
index 0000000..4e447cc
--- /dev/null
+++ b/tests/Internal/Stream/LogStreamTest.php
@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Test\TinyBlocks\Logger\Internal\Stream;
+
+use PHPUnit\Framework\TestCase;
+use TinyBlocks\Logger\Internal\Stream\LogStream;
+
+final class LogStreamTest extends TestCase
+{
+    public function testFromWithCustomResource(): void
+    {
+        /** @Given a custom writable stream */
+        $stream = fopen('php://memory', 'r+');
+
+        /** @When creating a LogStream with the custom resource */
+        $logStream = LogStream::from(resource: $stream);
+
+        /** @Then it should write content to the provided stream */
+        $logStream->write('custom resource test');
+
+        rewind($stream);
+        $output = stream_get_contents($stream);
+
+        self::assertSame('custom resource test', $output);
+
+        fclose($stream);
+    }
+
+    public function testFromWithNullFallsBackToStderr(): void
+    {
+        /** @Given no resource is provided */
+        /** @When creating a LogStream without arguments */
+        $logStream = LogStream::from();
+
+        /** @Then it should be created successfully and be writable without errors */
+        $logStream->write('fallback test');
+
+        self::assertTrue(true);
+    }
+}

From d12d51ccca85c42bb221f6517e929464785d7a4f Mon Sep 17 00:00:00 2001
From: Gustavo Freze <gustavo.freze@outlook.com>
Date: Tue, 24 Feb 2026 02:14:56 -0300
Subject: [PATCH 2/2] fix: Implement LogStream fallback mechanism and add unit
 tests.

---
 src/Internal/Stream/LogStream.php       |  2 +-
 tests/Internal/Stream/LogStreamTest.php | 30 +++++--------------------
 2 files changed, 6 insertions(+), 26 deletions(-)

diff --git a/src/Internal/Stream/LogStream.php b/src/Internal/Stream/LogStream.php
index dafb875..2537757 100644
--- a/src/Internal/Stream/LogStream.php
+++ b/src/Internal/Stream/LogStream.php
@@ -20,7 +20,7 @@ public static function from(mixed $resource = null): LogStream
             return new LogStream(resource: $resource);
         }
 
-        $fallback = fopen('php://memory', 'wb+');
+        $fallback = fopen('php://stderr', 'wb');
 
         return new LogStream(resource: $fallback);
     }
diff --git a/tests/Internal/Stream/LogStreamTest.php b/tests/Internal/Stream/LogStreamTest.php
index 4e447cc..f6d8e05 100644
--- a/tests/Internal/Stream/LogStreamTest.php
+++ b/tests/Internal/Stream/LogStreamTest.php
@@ -9,34 +9,14 @@
 
 final class LogStreamTest extends TestCase
 {
-    public function testFromWithCustomResource(): void
-    {
-        /** @Given a custom writable stream */
-        $stream = fopen('php://memory', 'r+');
-
-        /** @When creating a LogStream with the custom resource */
-        $logStream = LogStream::from(resource: $stream);
-
-        /** @Then it should write content to the provided stream */
-        $logStream->write('custom resource test');
-
-        rewind($stream);
-        $output = stream_get_contents($stream);
-
-        self::assertSame('custom resource test', $output);
-
-        fclose($stream);
-    }
-
-    public function testFromWithNullFallsBackToStderr(): void
+    /** @noinspection PhpConditionAlreadyCheckedInspection */
+    public function testFromWithoutResourceFallsBackToStderr(): void
     {
         /** @Given no resource is provided */
-        /** @When creating a LogStream without arguments */
+        /** @When creating a LogStream without a resource */
         $logStream = LogStream::from();
 
-        /** @Then it should be created successfully and be writable without errors */
-        $logStream->write('fallback test');
-
-        self::assertTrue(true);
+        /** @Then a LogStream instance should be returned (using stderr as fallback) */
+        self::assertInstanceOf(LogStream::class, $logStream);
     }
 }