Methods for validating ajax response with Jasmine

I'm a newbie when it comes to jasmine and I'm trying to figure out how to verify if a specific node is present in the ajax response. Currently, I'm using grunt to run jasmine from the command line and have successfully tested if a function is called after an Ajax request returns. Here's a snippet of my code:

describe("Ajax call test.", function () {
    it("should execute the callback function on success", function () {
        spyOn($, "ajax").and.callFake(function(options) {
            options.success();
        });
        var callback = jasmine.createSpy();
        getSampleResponse(callback);
        expect(callback).toHaveBeenCalled();
    });

    function getSampleResponse(callback){
        $.ajax({url: "template/sample.json", dataType:"text", success:function(res){            
            callback();
            }
        });
    }
});

This is what my sample.json file looks like:

{
   success: {

    "numSearches":5,
    "data":[
        {title:'search title 1', count:1},
        {title:'search title 2', count:1},
        {title:'search title 3', count:1},
        {title:'search title 4', count:1},
        {title:'search title 5', count:1}
    ]

  } 
}

I'm looking for a way to check if the response includes success.numSearches using jasmine. Any help would be greatly appreciated. Thanks!

Answer №1

Rajesh,

You've already set up the ajax call with a mock. Are you interested in testing your mock response for numSearches?

Make sure to pass the json response res to your callback method within the success call.

For more information on testing ajax calls in Jasmine, check out this article:

One method to test your ajax response is shown below:

describe("Ajax call test.", function () {
    it("should trigger the callback function upon success", function () {
       var callbackCalled = false;
       function myCallback(jsonData) {
           callbackCalled = true;
           expect(jsonData.numSearches).toBeEqual(5);
       }
       getSampleResponse(myCallback);
       expect(callbackCalled).toBeTruthy();
    });

function getSampleResponse(callback){
    $.ajax({url: "template/sample.json", dataType:"text", success:function(res){            
        callback(res);
        }
    });
}

});`

Ensure that you include res as a parameter in your callback method.

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