add test package plugin

cloudinary-update-tester/cloudinary-update-tester.php

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+<?php
+/**
+ * Plugin Name: Cloudinary Update Tester
+ * Plugin URI:
+ * Description: Test Cloudinary Plugin Update Process (This will deactivate itself, once activated.)
+ * Version: 1.0
+ * Author: XWP
+ * Author URI: https://xwp.co
+ * Text Domain: cld-update-tester
+ * License: GPL2+
+ *
+ * @package Cloudinary
+ */
+
+// If this file is called directly, abort.
+if ( ! defined( 'WPINC' ) ) {
+	die;
+}
+
+
+// Exit if accessed directly.
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Alter the update plugins object.
+ *
+ * @param object $data plugin update data.
+ *
+ * @return object
+ */
+function cld_test_check_update( $data ) {
+	if ( ! empty( $data->no_update ) ) {
+		$slug = 'cloudinary-image-management-and-manipulation-in-the-cloud-cdn/cloudinary.php';
+		if ( ! empty( $data->no_update[ $slug ] ) ) {
+			$file                                  = plugin_dir_path( __FILE__ ) . 'cloudinary.zip';
+			$data->no_update[ $slug ]->package     = $file;
+			$data->no_update[ $slug ]->new_version = 2.0;
+			$data->response[ $slug ]               = $data->no_update[ $slug ];
+			unset( $data->no_update[ $slug ] );
+			deactivate_plugins( 'cloudinary-update-tester/cloudinary-update-tester.php' );
+		}
+	}
+
+	return $data;
+}
+
+add_filter( 'pre_set_site_transient_update_plugins', 'cld_test_check_update', 100 );
+
+/**
+ * Delete the update transient on activation.
+ */
+function cld_test_init_update() {
+	delete_site_transient( 'update_plugins' );
+}
+
+register_activation_hook( __FILE__, 'cld_test_init_update' );

cloudinary-update-tester/readme.txt

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+This tests the update process of the Cloudinary plugin.
+
+To create a new test package, simply add the plugin zip package here and name it cloudinary.zip
+
+Then activate this plugin in WordPress. The cloudinary plugin listing will show an available update and this plugin will disable itself.