gerrit.onap Code Review - ccsdk/features.git/blob

   1 describe("app.ux.singleton", function(){
   2
   3 var Singleton = window.app.ux.Singleton;
   4
   5         describe("creating a singleton", function() {
   6                 var X = Singleton.extend({
   7                         foo: function() {
   8                                 return "bar";
   9                         }
  10                 });
  11
  12                 var Y = Singleton.extend({
  13                         bar: function() {
  14                                 return "baz";
  15                         }
  16                 });
  17
  18                 it("should have properties like a normal class", function() {
  19                         var a = X.instance();
  20
  21                         expect( a instanceof X ).toBe( true );
  22                         expect( a.foo() ).toBe( "bar" );
  23                 });
  24
  25                 it("should return single instance each time instance() is called", function() {
  26                         var a = X.instance();
  27                         var b = X.instance();
  28
  29                         expect( a ).toBe( b );
  30                 });
  31
  32                 it("should not share instances with different singletons", function() {
  33                         var a = X.instance();
  34                         var c = Y.instance();
  35
  36                         expect( a ).not.toBe( c );
  37                 });
  38
  39         });
  40
  41 });