chrome/third_party/mock4js/examples/PriceServiceTest.html

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   3
   4 <html>
   5   <head>
   6         <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
   7     <title>Tests</title>
   8     <link rel="stylesheet" type="text/css" href="jsunit/css/jsUnitStyle.css">
   9     <script language="JavaScript" type="text/javascript" src="../../jsunit/app/jsUnitCore.js"></script>
  10     <script language="JavaScript" type="text/javascript" src="../mock4js.js"></script>
  11     <script language="JavaScript" type="text/javascript" src="PriceService.js"></script>
  12     <script language="JavaScript" type="text/javascript">
  13
  14                 Mock4JS.addMockSupport(this);
  15
  16                 var mockPriceFetcher;
  17                 var mockPriceCache;
  18                 var priceService;
  19
  20                 function setUp() {
  21                         Mock4JS.clearMocksToVerify();
  22                         mockPriceFetcher = mock(PriceFetcher);
  23                         mockPriceCache = mock(PriceCache);
  24                         priceService = new PriceService(mockPriceFetcher.proxy(), mockPriceCache.proxy());
  25                 }
  26
  27                 function tearDown() {
  28                         Mock4JS.verifyAllMocks();
  29                 }
  30
  31         function testGetsPriceFromFetcherWhenPriceNotInCache() {
  32                 mockPriceCache.expects(once()).getCachedPrice("USDGBP").will(returnValue(null));
  33                 mockPriceFetcher.expects(once()).getPriceFromServer("USDGBP").will(returnValue(123.4));
  34                 mockPriceCache.expects(once()).setCachedPrice("USDGBP", 123.4);
  35
  36                 var result = priceService.getPrice("USDGBP");
  37
  38                 assertEquals("Should have returned price from server", 123.4, result);
  39                 }
  40
  41         function testDoesntGetsPriceFromFetcherWhenPriceAlreadyInCache() {
  42                 mockPriceCache.expects(once()).getCachedPrice("USDGBP").will(returnValue(123.4));
  43                 mockPriceCache.expects(never()).setCachedPrice();
  44                 mockPriceFetcher.expects(never()).getPriceFromServer("USDGBP");
  45
  46                 var result = priceService.getPrice("USDGBP");
  47
  48                 assertEquals("Should have returned price from cache", 123.4, result);
  49                 }
  50
  51       </script>
  52   </head>
  53
  54   <body>
  55     <h1>JsUnit Tests</h1>
  56
  57     <p>This page contains some JsUnit tests. To see them, take a look at the source.</p>
  58   </body>
  59 </html>
  60