add phpunit tests and fix some spaces

Author: andreilupu

.gitattributes

@@ -0,0 +1,7 @@
+.gitattributes 	export-ignore
+.gitignore 		export-ignore
+.travis.yml 	export-ignore
+phpcs.xml 		export-ignore
+tests			export-ignore
+README.md 		export-ignore
+phpunit.xml 	export-ignore

class-elementor-extra-widgets.php

@@ -16,7 +16,7 @@ class ElementorExtraWidgets {
 		/**
 		 * @var ElementorExtraWidgets
 		 */
-		protected static $instance = null;
+		public static $instance = null;
 
 		/**
 		 * The version of this library
@@ -48,7 +48,7 @@ public function add_elementor_category() {
 			\Elementor\Plugin::instance()->elements_manager->add_category(
 				'obfx-elementor-widgets',
 				array(
-					'title' => __( 'Orbit Fox Addons', 'themeisle-companion' ),
+					'title' => __( 'Orbit Fox Addons', 'textdomain' ),
 					'icon'  => 'fa fa-plug',
 				),
 				1

composer.json

@@ -1,6 +1,7 @@
 {
     "name": "codeinwp/elementor-extra-widgets",
     "type": "library",
+    "version": "1.0.0",
     "license": "GPL-3.0-or-later",
     "minimum-stability": "dev",
     "homepage": "https://github.com/Codeinwp/elementor-extra-widgets",

phpunit.xml

@@ -0,0 +1,14 @@
+<phpunit
+	bootstrap="tests/bootstrap.php"
+	backupGlobals="false"
+	colors="true"
+	convertErrorsToExceptions="true"
+	convertNoticesToExceptions="true"
+	convertWarningsToExceptions="true"
+	>
+	<testsuites>
+		<testsuite>
+			<directory prefix="test-" suffix=".php">./tests/</directory>
+		</testsuite>
+	</testsuites>
+</phpunit>

tests/bootstrap.php

@@ -0,0 +1,50 @@
+<?php
+/**
+ * PHPUnit bootstrap file
+ *
+ * @package ThemeIsle\ElementorExtraWidgets
+ */
+
+/**
+ * change PLUGIN_FILE env in phpunit.xml
+ */
+define( 'PLUGIN_FILE', getenv( 'PLUGIN_FILE' ) );
+define( 'PLUGIN_FOLDER', basename( dirname( __DIR__ ) ) );
+define( 'PLUGIN_PATH', PLUGIN_FOLDER . '/' . PLUGIN_FILE );
+
+// Activates this plugin in WordPress so it can be tested.
+$GLOBALS['wp_tests_options'] = [
+	'active_plugins' => [ PLUGIN_PATH ],
+	'template' => 'twentysixteen',
+	'stylesheet' => 'twentysixteen',
+];
+
+// Determine the tests directory (from a WP dev checkout).
+// Try the WP_TESTS_DIR environment variable first.
+$_tests_dir = getenv( 'WP_TESTS_DIR' );
+
+// See if we're installed inside an existing WP dev instance.
+if ( ! $_tests_dir ) {
+	$_try_tests_dir = dirname( __FILE__ ) . '/../../../../../tests/phpunit';
+	if ( file_exists( $_try_tests_dir . '/includes/functions.php' ) ) {
+		$_tests_dir = $_try_tests_dir;
+	}
+}
+// Fallback.
+if ( ! $_tests_dir ) {
+	$_tests_dir = '/tmp/wordpress-tests-lib';
+}
+
+// Give access to tests_add_filter() function.
+require_once $_tests_dir . '/includes/functions.php';
+
+/**
+ * Manually load the plugin being tested.
+ */
+function _manually_load_plugin() {
+	require dirname( dirname( __FILE__ ) ) . '/load.php';
+}
+tests_add_filter( 'muplugins_loaded', '_manually_load_plugin' );
+
+// Start up the WP testing environment.
+require $_tests_dir . '/includes/bootstrap.php';

tests/test-basics.php

@@ -0,0 +1,71 @@
+<?php
+/**
+ * Basic Tests
+ *
+ * @package ThemeIsle\ElementorExtraWidgets
+ */
+
+/**
+ * Test functions in register.php
+ */
+class Plugin_Test extends WP_UnitTestCase {
+
+	public function setUp() {
+		parent::setUp();
+		wp_set_current_user( $this->factory->user->create( [ 'role' => 'administrator' ] ) );
+
+		do_action( 'init' );
+		do_action( 'plugins_loaded' );
+	}
+
+	/**
+	 * Tests test_library_availability().
+	 *
+	 * @covers ElementorExtraWidgets::instance();
+	 */
+	function test_library_availability() {
+		$this->assertTrue( class_exists( '\ThemeIsle\ElementorExtraWidgets') );
+	}
+
+	/**
+	 * Test the right type of class instance
+	 *
+	 * @covers ElementorExtraWidgets::instance();
+	 */
+	public function test_getInstance() {
+		$this->assertInstanceOf( '\Themeisle\ElementorExtraWidgets', \Themeisle\ElementorExtraWidgets::instance() );
+	}
+
+	/**
+	 * Test if the library version is the same from the composer.json
+	 *
+	 * @covers ElementorExtraWidgets::$version
+	 */
+	function test_version() {
+		$composer_version = json_decode( file_get_contents( dirname( dirname( __FILE__ ) ) . '/composer.json' ) );
+		$this->assertTrue( $composer_version->version === \ThemeIsle\ElementorExtraWidgets::$version );
+	}
+
+	/**
+	 * Test if the class enqueues the required assets
+	 * @covers ElementorExtraWidgets::register_assets
+	 */
+	public function test_assets_enqueue() {
+		$this->assertFalse( wp_script_is( 'obfx-grid-js', 'registered' ) );
+		$this->assertFalse( wp_style_is( 'eaw-elementor', 'registered' ) );
+	}
+
+	/**
+	 * @expectedIncorrectUsage __clone
+	 */
+	public function test_Clone() {
+		$obj_cloned = clone \Themeisle\ElementorExtraWidgets::$instance;
+	}
+
+	/**
+	 * @expectedIncorrectUsage __wakeup
+	 */
+	public function test_Wakeup() {
+		unserialize( serialize( \Themeisle\ElementorExtraWidgets::$instance ) );
+	}
+}