[5.4] Add named constructor helpers directly to Testing/File (#18180)

* Add named constructor helpers directly to Testing/File

* Fix some doc blocks

src/Illuminate/Http/Testing/File.php

@@ -45,6 +45,31 @@ public function __construct($name, $tempFile)
         );
     }
 
+    /**
+     * Create a new fake file.
+     *
+     * @param  string  $name
+     * @param  int  $kilobytes
+     * @return \Illuminate\Http\Testing\File
+     */
+    public static function create($name, $kilobytes = 0)
+    {
+        return (new FileFactory)->create($name, $kilobytes);
+    }
+
+    /**
+     * Create a new fake image.
+     *
+     * @param  string  $name
+     * @param  int  $width
+     * @param  int  $height
+     * @return \Illuminate\Http\Testing\File
+     */
+    public static function image($name, $width = 10, $height = 10)
+    {
+        return (new FileFactory)->image($name, $width, $height);
+    }
+
     /**
      * Set the "size" of the file in kilobytes.
      *

src/Illuminate/Http/Testing/FileFactory.php

@@ -11,7 +11,7 @@ class FileFactory
      * @param  int  $kilobytes
      * @return \Illuminate\Http\Testing\File
      */
-    public function create($name, $kilobytes)
+    public function create($name, $kilobytes = 0)
     {
         return tap(new File($name, tmpfile()), function ($file) use ($kilobytes) {
             $file->sizeToReport = $kilobytes * 1024;
@@ -22,7 +22,7 @@ public function create($name, $kilobytes)
      * Create a new fake image.
      *
      * @param  string  $name
-     * @param  int  $height
+     * @param  int  $width
      * @param  int  $height
      * @return \Illuminate\Http\Testing\File
      */