fix: background image replacement url

inc/manager.php

@@ -481,7 +481,7 @@ public function process_urls_from_content( $html ) {
 	 * @return array
 	 */
 	public function extract_image_urls_from_content( $content ) {
-		$regex = '/(?:http(?:s?):)(?:[\/\\\\|.|\w|\s|-])*\.(?:' . implode( '|', array_keys( Optml_Config::$extensions ) ) . ')(?:\?{1}[\w|=|&|\-|\.|:|;]*)?/';
+		$regex = '/((?:http(?:s?):)(?:[\/\\\\|.|\w|\s|-])*\.(?:' . implode( '|', array_keys( Optml_Config::$extensions ) ) . ')(?:\?{1}[\w|=|&|\-|\.|:|;]*)?)|((?:[\/\\\\|.|\w|\s|-])*\.(?:' . implode( '|', array_keys( Optml_Config::$extensions ) ) . ')(?:\?{1}[\w|=|&|\-|\.|:|;]*)?)/';
 		preg_match_all(
 			$regex,
 			$content,

tests/test-background-image.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * WordPress unit test plugin.
+ *
+ * @package     Optimole-WP
+ * @subpackage  Tests
+ * @copyright   Copyright (c) 2017, ThemeIsle
+ * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
+ */
+class Test_Background_Image extends WP_UnitTestCase
+{
+
+    const IMG_TAGS_GIF = '<div data-hash="5c2602bbe76e6f966a846fb661b9d76d" data-desktop="//366b4e08.ngrok.io/wp-content/uploads/2019/08/image3-10-5.jpg" class="n2-ss-slide-background-image" data-blur="0" style="background-image:url("//example.org/wp-content/themes/test/assets/images/header-300x300.png");">  </div>';
+
+
+    public static $sample_post;
+
+    public function setUp()
+    {
+
+        parent::setUp();
+        $settings = new Optml_Settings();
+        $settings->update('service_data', [
+            'cdn_key' => 'test123',
+            'cdn_secret' => '12345',
+            'whitelist' => ['example.com'],
+
+        ]);
+        $settings->update('lazyload', 'disabled');
+        $settings->update('img_to_video', 'enabled');
+
+
+        Optml_Url_Replacer::instance()->init();
+        Optml_Tag_Replacer::instance()->init();
+        Optml_Manager::instance()->init();
+
+        self::$sample_post = self::factory()->post->create([
+                'post_title' => 'Test post',
+                'post_content' => self::IMG_TAGS_GIF
+            ]
+        );
+    }
+
+    public function test_should_replace_tag()
+    {
+
+        $replaced_content = Optml_Manager::instance()->replace_content(self::IMG_TAGS_GIF);
+        $this->assertContains('i.optimole.com', $replaced_content);
+    }
+}
+