Refactor: Move Topic Details into better objects, identity map, tests, query string filters

test/javascripts/helpers/assertions.js

@@ -1,7 +1,11 @@
 // Test helpers
 var resolvingPromise = Ember.Deferred.promise(function (p) {
   p.resolve();
-})
+});
+
+var resolvingPromiseWith = function(result) {
+  return Ember.Deferred.promise(function (p) { p.resolve(result); });
+};
 
 function exists(selector) {
   return !!count(selector);
@@ -11,22 +15,14 @@ function count(selector) {
   return find(selector).length;
 }
 
-function objBlank(obj) {
-  if (obj === undefined) return true;
-
-  switch (typeof obj) {
-  case "string":
-    return obj.trim().length === 0;
-  case "object":
-    return $.isEmptyObject(obj);
-  }
-  return false;
-}
-
 function present(obj, text) {
-  equal(objBlank(obj), false, text);
+  ok(!Ember.isEmpty(obj), text);
 }
 
 function blank(obj, text) {
-  equal(objBlank(obj), true, text);
+  ok(Ember.isEmpty(obj), text);
+}
+
+function containsInstance(collection, klass, text) {
+  ok(klass.detectInstance(_.first(collection)), text);
 }