Ticket #27194: 27194.patch

src/wp-includes/class-wp-xmlrpc-server.php

@@ -1130 +1130 @@
                                                 return new IXR_Error( 401, __( 'Sorry, you are not allowed to assign a term to one of the given taxonomies.' ) );
 
                                         $term_ids = $post_data['terms'][$taxonomy];
+                                        $terms[$taxonomy] = array();
                                         foreach ( $term_ids as $term_id ) {
                                                 $term = get_term_by( 'id', $term_id, $taxonomy );
 

tests/phpunit/tests/xmlrpc/wp/editPost.php

@@ -309 +309 @@
         }
 
         /**
+         * @ticket 27194
+         */
+        function test_clear_categories_on_edit() {
+                $editor_id = $this->make_user_by_role( 'editor' );
+
+                $post_id = $this->factory->post->create( array( 'post_author'  => $editor_id ) );
+                $term_id = $this->factory->category->create();
+                $this->factory->term->add_post_terms( $post_id, $term_id, 'category', true );
+                $term_ids = wp_list_pluck( get_the_category( $post_id ), 'term_id' );
+                $this->assertContains( $term_id, $term_ids );
+
+                $new_post_content = array(
+                        'ID' => $post_id,
+                        'post_title' => 'Updated',
+                        'terms' => array(
+                                'category' => array()
+                        )
+                );
+                $result = $this->myxmlrpcserver->wp_editPost( array( 1, 'editor', 'editor', $post_id, $new_post_content ) );
+                $this->assertNotInstanceOf( 'IXR_Error', $result );
+                $this->assertEquals( 'Updated', get_post( $post_id )->post_title );
+
+                $term_ids = wp_list_pluck( get_the_category( $post_id ), 'term_id' );
+                $this->assertNotContains( $term_id, $term_ids );
+        }
+
+        /**
          * @ticket 23219
          */
         function test_add_enclosure_if_new() {