1 files changed, 24 insertions, 17 deletions
diff --git a/js/codeq/prolog.js b/js/codeq/prolog.js
index 3d34423..ea4c9b2 100644
--- a/js/codeq/prolog.js
+++ b/js/codeq/prolog.js
@@ -284,28 +284,35 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
         });
 
         jqBtnTest.on('click', function () {
+            // random timeout before returning results to the user, helps
+            // maintain the illusion
+            var timeout = 500 + Math.random() * 1000;
+
             editor.setOption('readOnly', true);
             terminal.inputDisable();
             jqBtnTest.ladda('start');
-            codeq.comms.sendTest({
+
+            codeq.throttle(
+                codeq.comms.sendTest({
                     'program': editor.getDoc().getValue(),
                     'problem_id': problemDef.id
-                })
-                .then(function (data) {
-                    if (data.code === 0) {
-                        hinter.handle(data.hints);
-                    }
-                    else {
-                        terminal.append(data.message + '\n', 'error');
-                    }
-                })
-                .fail(commError)
-                .fin(function () {
-                    editor.setOption('readOnly', false);
-                    terminal.inputEnable();
-                    jqBtnTest.ladda('stop');
-                })
-                .done();
+                }),
+                timeout)
+            .then(function (data) {
+                if (data.code === 0) {
+                    hinter.handle(data.hints);
+                }
+                else {
+                    terminal.append(data.message + '\n', 'error');
+                }
+            })
+            .fail(commError)
+            .fin(function () {
+                editor.setOption('readOnly', false);
+                terminal.inputEnable();
+                jqBtnTest.ladda('stop');
+            })
+            .done();
         });
 
         codeq.comms.loadProblem(problemDef.id).done();