Issue #3144158 by jungle: Fix ModuleFunctionsTest involving in StreamWrapperManager

flysystem.module

@@ -5,6 +5,8 @@
  * Provides access to various filesystem backends using Flysystem.
  */
 
+use Drupal\Core\StreamWrapper\StreamWrapperManager;
+
 /**
  * Implements hook_cron().
  */
@@ -24,7 +26,7 @@ function flysystem_rebuild() {
  */
 function flysystem_file_download($uri) {
   $schemes = Drupal::service('flysystem_factory')->getSchemes();
-  $scheme = Drupal::service('file_system')->uriScheme($uri);
+  $scheme = StreamWrapperManager::getScheme($uri);
 
   if (!$scheme || !in_array($scheme, $schemes, TRUE)) {
     return;

tests/src/Unit/ModuleFunctionsTest.php

@@ -2,7 +2,7 @@
 
 namespace Drupal\Tests\flysystem\Unit;
 
-use Drupal\Core\File\FileSystemInterface;
+use Drupal\Core\StreamWrapper\StreamWrapperManagerInterface;
 use Drupal\Tests\UnitTestCase;
 use Drupal\flysystem\FlysystemFactory;
 use Prophecy\Argument;
@@ -36,8 +36,8 @@ class ModuleFunctionsTest extends UnitTestCase {
     $this->factory = $this->prophesize(FlysystemFactory::class);
     $this->factory->getSchemes()->willReturn(['vfs']);
 
-    $file_system_helper = $this->prophesize(FileSystemInterface::class);
-    $file_system_helper->uriScheme(Argument::type('string'))->will(function ($uri) {
+    $file_system_helper = $this->prophesize(StreamWrapperManagerInterface::class);
+    $file_system_helper->isValidScheme(Argument::type('string'))->will(function ($uri) {
       list($scheme) = explode('://', $uri[0]);
       return $scheme;
     });