1 function test_dataloader() {

     2   module("Dataloader", { setup: function() {                                     

     3                                       IriSP.jQuery = jQuery;

     4                                 }

     5     });  

     6   

     7   test("should initialize dataloader", function() {

     8     var dt = new IriSP.DataLoader();    

     9     deepEqual(dt._cache, {}, "_cache empty");

    10   });

    11                

    12   test("should get an outside ressource", function() {

    13    

    14     var response_array = [{ id: 12, text: "Hey there" }];

    15     var response_string = JSON.stringify(response_array);

    16     

    17     var xhr = this.sandbox.useFakeXMLHttpRequest();

    18     var requests = this.requests = [];

    19     

    20     xhr.onCreate = function (request) {

    21         requests.push(request);

    22     };

    23 

    24     var spy_callback = this.spy();

    25     var dt = new IriSP.DataLoader();

    26     

    27     var resp = dt.get("/url&a=1", spy_callback);

    28 

    29     equals(xhr.requests.length, 1, "the mock ajax object should have received the request");

    30     

    31     xhr.requests[0].respond(200, { "Content-Type": "application/json" },

    32                              response_string);

    33     

    34     

    35     ok(spy_callback.calledOnce, "callback called");

    36     ok(spy_callback.calledWith(response_array), "callback called with correct string");

    37     

    38     deepEqual(dt._cache["/url"], response_array, "the response should be stored in the cache");

    39     

    40     var resp2 = dt.get("/url&a=2", spy_callback);

    41     ok(spy_callback.calledTwice && xhr.requests.length === 1, "callback called twice but request made only once.");

    42     

    43   });

    44  

    45   test("should default to JSONP for foreign domains", function() {

    46     /* we can't simulate jsonp so we just verify that the function is called */

    47     var stub = this.stub(IriSP.jQuery, "ajax");

    48     var dt = new IriSP.DataLoader();

    49     

    50     var resp = dt.get("http://example.com/url&a=1", stub);

    51 

    52     ok(stub.calledOnce, "ajax request actually made");

    53   });

    54    

    55 }