暂存

vendor/illuminate/http/Testing/FileFactory.php

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+<?php
+
+namespace Illuminate\Http\Testing;
+
+use LogicException;
+
+class FileFactory
+{
+    /**
+     * Create a new fake file.
+     *
+     * @param  string  $name
+     * @param  string|int  $kilobytes
+     * @param  string|null  $mimeType
+     * @return \Illuminate\Http\Testing\File
+     */
+    public function create($name, $kilobytes = 0, $mimeType = null)
+    {
+        if (is_string($kilobytes)) {
+            return $this->createWithContent($name, $kilobytes);
+        }
+
+        return tap(new File($name, tmpfile()), function ($file) use ($kilobytes, $mimeType) {
+            $file->sizeToReport = $kilobytes * 1024;
+            $file->mimeTypeToReport = $mimeType;
+        });
+    }
+
+    /**
+     * Create a new fake file with content.
+     *
+     * @param  string  $name
+     * @param  string  $content
+     * @return \Illuminate\Http\Testing\File
+     */
+    public function createWithContent($name, $content)
+    {
+        $tmpfile = tmpfile();
+
+        fwrite($tmpfile, $content);
+
+        return tap(new File($name, $tmpfile), function ($file) use ($tmpfile) {
+            $file->sizeToReport = fstat($tmpfile)['size'];
+        });
+    }
+
+    /**
+     * Create a new fake image.
+     *
+     * @param  string  $name
+     * @param  int  $width
+     * @param  int  $height
+     * @return \Illuminate\Http\Testing\File
+     *
+     * @throws \LogicException
+     */
+    public function image($name, $width = 10, $height = 10)
+    {
+        return new File($name, $this->generateImage(
+            $width, $height, pathinfo($name, PATHINFO_EXTENSION)
+        ));
+    }
+
+    /**
+     * Generate a dummy image of the given width and height.
+     *
+     * @param  int  $width
+     * @param  int  $height
+     * @param  string  $extension
+     * @return resource
+     *
+     * @throws \LogicException
+     */
+    protected function generateImage($width, $height, $extension)
+    {
+        if (! function_exists('imagecreatetruecolor')) {
+            throw new LogicException('GD extension is not installed.');
+        }
+
+        return tap(tmpfile(), function ($temp) use ($width, $height, $extension) {
+            ob_start();
+
+            $extension = in_array($extension, ['jpeg', 'png', 'gif', 'webp', 'wbmp', 'bmp'])
+                ? strtolower($extension)
+                : 'jpeg';
+
+            $image = imagecreatetruecolor($width, $height);
+
+            if (! function_exists($functionName = "image{$extension}")) {
+                ob_get_clean();
+
+                throw new LogicException("{$functionName} function is not defined and image cannot be generated.");
+            }
+
+            call_user_func($functionName, $image);
+
+            fwrite($temp, ob_get_clean());
+        });
+    }
+}