ERP5Storage: fix allDocs's sort_on parameter handling

src/jio.storage/erp5storage.js

@@ -481,7 +481,8 @@
           parsed_query,
           sub_query,
           result_list,
-          local_roles;
+          local_roles,
+          tmp_list = [];
         if (options.query) {
           parsed_query = jIO.QueryFactory.create(options.query);
 
@@ -523,6 +524,13 @@
           }
         }
 
+        if (options.sort_on) {
+          for (i = 0; i < options.sort_on.length; i += 1) {
+            tmp_list.push(JSON.stringify(options.sort_on[i]));
+          }
+          options.sort_on = tmp_list;
+        }
+
         return jIO.util.ajax({
           "type": "GET",
           "url": UriTemplate.parse(site_hal._links.raw_search.href)

test/jio.storage/erp5storage.tests.js

@@ -13,7 +13,7 @@
     domain = "https://example.org",
     traverse_template = domain + "?mode=traverse{&relative_url,view}",
     search_template = domain + "?mode=search{&query,select_list*,limit*," +
-      "local_roles*}",
+      "sort_on*,local_roles*}",
     add_url = domain + "lets?add=somedocument",
     bulk_url = domain + "lets?run=bulk",
     root_hateoas = JSON.stringify({
@@ -1102,7 +1102,9 @@
 
   test("filter documents", function () {
     var search_url = domain + "?mode=search&query=title%3A%20%22two%22&" +
-                     "select_list=destination&select_list=source&limit=5",
+                     "select_list=destination&select_list=source&limit=5&" +
+                     "sort_on=%5B%22title%22%2C%22descending%22%5D&" +
+                     "sort_on=%5B%22id%22%2C%22descending%22%5D",
       search_hateoas = JSON.stringify({
 
         "_embedded": {
@@ -1142,7 +1144,8 @@
     this.jio.allDocs({
       limit: [5],
       select_list: ["destination", "source"],
-      query: 'title: "two"'
+      query: 'title: "two"',
+      sort_on: [["title", "descending"], ["id", "descending"]]
     })
       .then(function (result) {
         deepEqual(result, {