Ticket #36859: wp_locale.patch

src/wp-includes/locale.php

@@ -359 +359 @@
          * Constructor which calls helper methods to set up object variables
          *
          * @since 2.1.0
+         * @param null $lang to change the current locale
          */
-        public function __construct() {
+        public function __construct( $lang = null ) {
+                if ( null !== $lang ) {
+                        require_once( ABSPATH . 'wp-admin/includes/translation-install.php' );
+                        global $locale;
+
+                        if( ! in_array( $lang, get_available_languages() ) ) {
+                                if ( array_key_exists( $lang, wp_get_available_translations() ) ) {
+                                        $language = wp_download_language_pack( $lang );
+                                        if ( $language ) {
+                                                load_default_textdomain( $language );
+                                                $locale = $language;
+                                        }
+                                }
+                        } else{
+                                load_default_textdomain( $lang );
+                                $locale = $lang;
+                        }
+                }
+
                 $this->init();
                 $this->register_globals();
         }

tests/phpunit/tests/locale/test-locale.php

@@ +1 @@
+<?php
+/**
+ * wordpress-develop.
+ * User: Paul
+ * Date: 2016-05-16
+ *
+ */
+
+if ( !defined( 'WPINC' ) ) {
+        die;
+}
+
+class test_Locale extends WP_UnitTestCase {
+
+        static $fr_lanf_files = array(
+                'admin-fr_FR.mo',
+                'admin-fr_FR.po',
+                'admin-network-fr_FR.mo',
+                'admin-network-fr_FR.po',
+                'continents-cities-fr_FR.mo',
+                'continents-cities-fr_FR.po',
+                'fr_FR.mo',
+                'fr_FR.po',
+        );
+
+
+        /**
+         * pass a new locale into WP_locale and reset current locale
+         */
+        function test_WP_locale(){
+
+                global $GLOBALS;
+
+                $GLOBALS['wp_locale'] = new WP_Locale( 'fr_FR' );
+
+                $this->assertEquals( 'fr_FR', get_locale() );
+
+                $this->assertEquals( 'dimanche', $GLOBALS['wp_locale']->weekday[0] );
+
+                foreach ( self::$fr_lanf_files as $file ) {
+                        $this->assertEquals( true, file_exists( WP_LANG_DIR . '/' . $file ) );
+                }
+
+                // remove any fr lang files
+                $this->remove_lang_files();
+        }
+
+        function remove_lang_files() {
+                foreach ( self::$fr_lanf_files as $file ) {
+                        $this->unlink( WP_LANG_DIR . '/' . $file );
+                }
+        }
+}