From 43eb62f08e0d59e5654b3807b35f2037e619363b Mon Sep 17 00:00:00 2001
From: zinyando <brizdigital@gmail.com>
Date: Wed, 25 May 2016 21:13:15 +0200
Subject: [PATCH] Add wait-to-appear helper

---
 app/tests/helpers/wait-to-appear.js | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 app/tests/helpers/wait-to-appear.js

diff --git a/app/tests/helpers/wait-to-appear.js b/app/tests/helpers/wait-to-appear.js
new file mode 100644
index 00000000..d700120d
--- /dev/null
+++ b/app/tests/helpers/wait-to-appear.js
@@ -0,0 +1,22 @@
+import Ember from 'ember';
+
+function isVisible(selector) {
+  return $(selector).length > 0;
+}
+
+function checkVisibility(selector, interval, resolve, visibility) {
+  if (isVisible(selector) === visibility) {
+    resolve($(selector));
+  } else {
+      console.log('waiting for visibility');
+    Ember.run.later(null, function() {
+      checkVisibility(selector, interval, resolve, visibility);
+    }, interval);
+  }
+}
+
+export default Ember.Test.registerAsyncHelper('waitToAppear', function(app, selector, interval = 200) {
+    return new Ember.RSVP.Promise(function(resolve) {
+      checkVisibility(selector, interval, resolve, true);
+    });
+});