Added minimock and created new class in tests.py - work in progress

debug_toolbar/js/toolbar.profiling.js

@@ -0,0 +1,21 @@
+(function ($) {
+    function getSubcalls(row) {
+        var id = row.attr('id');
+        return $('.djDebugProfileRow[id^="'+id+'_"]');
+    }
+    function getDirectSubcalls(row) {
+        var subcalls = getSubcalls(row);
+        var depth = parseInt(row.attr('depth'), 10) + 1;
+        return subcalls.filter('[depth='+depth+']');
+    }
+    $('.djDebugProfileRow .djDebugProfileToggle').on('click', function(){
+        var row = $(this).closest('.djDebugProfileRow');
+        var subcalls = getSubcalls(row);
+        if (subcalls.css('display') == 'none') {
+            getDirectSubcalls(row).show();
+        } else {
+            subcalls.hide();
+        }
+    });
+    djdt.applyStyle('padding-left');
+})(djdt.jQuery);