Using throw config of filesystem disks when faking (#53779)

* Using throw config of filesystem disks when faking

* CS fix

* Further CS fixes

* Further CS fixes

* Further CS fixes

* Added dock blocks

* Added dots

* formatting

---------

Co-authored-by: Taylor Otwell <taylor@laravel.com>

src/Illuminate/Support/Facades/Storage.php

@@ -96,19 +96,17 @@ class Storage extends Facade
      */
     public static function fake($disk = null, array $config = [])
     {
-        $disk = $disk ?: static::$app['config']->get('filesystems.default');
-
-        $root = storage_path('framework/testing/disks/'.$disk);
+        $root = self::getRootPath($disk = $disk ?: static::$app['config']->get('filesystems.default'));
 
         if ($token = ParallelTesting::token()) {
             $root = "{$root}_test_{$token}";
         }
 
         (new Filesystem)->cleanDirectory($root);
 
-        static::set($disk, $fake = static::createLocalDriver(array_merge($config, [
-            'root' => $root,
-        ])));
+        static::set($disk, $fake = static::createLocalDriver(
+            self::buildDiskConfiguration($disk, $config, root: $root)
+        ));
 
         return tap($fake)->buildTemporaryUrlsUsing(function ($path, $expiration) {
             return URL::to($path.'?expiration='.$expiration->getTimestamp());
@@ -126,13 +124,43 @@ public static function persistentFake($disk = null, array $config = [])
     {
         $disk = $disk ?: static::$app['config']->get('filesystems.default');
 
-        static::set($disk, $fake = static::createLocalDriver(array_merge($config, [
-            'root' => storage_path('framework/testing/disks/'.$disk),
-        ])));
+        static::set($disk, $fake = static::createLocalDriver(
+            self::buildDiskConfiguration($disk, $config, root: self::getRootPath($disk))
+        ));
 
         return $fake;
     }
 
+    /**
+     * Get the root path of the given disk.
+     *
+     * @param  string  $disk
+     * @return string
+     */
+    protected static function getRootPath(string $disk): string
+    {
+        return storage_path('framework/testing/disks/'.$disk);
+    }
+
+    /**
+     * Assemble the configuration of the given disk.
+     *
+     * @param  string  $disk
+     * @param  array  $config
+     * @param  string  $root
+     * @return array
+     */
+    protected static function buildDiskConfiguration(string $disk, array $config, string $root): array
+    {
+        $originalConfig = static::$app['config']["filesystems.disks.{$disk}"] ?? [];
+
+        return array_merge([
+            'throw' => $originalConfig['throw'] ?? false],
+            $config,
+            ['root' => $root]
+        );
+    }
+
     /**
      * Get the registered name of the component.
      *

tests/Support/StorageFacadeTest.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace Illuminate\Tests\Support;
+
+use Illuminate\Support\Facades\Config;
+use Illuminate\Support\Facades\Storage;
+use League\Flysystem\UnableToReadFile;
+use Orchestra\Testbench\TestCase;
+
+class StorageFacadeTest extends TestCase
+{
+    public function testFake_whenDiskNotConfigured_doesNotThrowExceptionOnError()
+    {
+        $result = Storage::fake('test')->get('nonExistentFile');
+
+        $this->assertNull($result);
+    }
+
+    public function testFake_whenThrowSetToDisk_throwsExceptionOnError()
+    {
+        Config::set('filesystems.disks.test', ['throw' => true]);
+
+        $this->expectException(UnableToReadFile::class);
+        Storage::fake('test')->get('nonExistentFile');
+    }
+
+    public function testFake_whenThrowOverwritten_usesOverwrite()
+    {
+        Config::set('filesystems.disks.test', ['throw' => true]);
+
+        $result = Storage::fake('test', ['throw' => false])->get('nonExistentFile');
+        $this->assertNull($result);
+    }
+
+    public function testPersistentFake_whenDiskNotConfigured_doesNotThrowExceptionOnError()
+    {
+        $result = Storage::persistentFake('test')->get('nonExistentFile');
+
+        $this->assertNull($result);
+    }
+
+    public function testPersistentFake_whenThrowSetToDisk_throwsExceptionOnError()
+    {
+        Config::set('filesystems.disks.test', ['throw' => true]);
+
+        $this->expectException(UnableToReadFile::class);
+        Storage::persistentFake('test')->get('nonExistentFile');
+    }
+
+    public function testPersistentFake_whenThrowOverwritten_usesOverwrite()
+    {
+        Config::set('filesystems.disks.test', ['throw' => true]);
+
+        $result = Storage::persistentFake('test', ['throw' => false])->get('nonExistentFile');
+        $this->assertNull($result);
+    }
+}