mock-ajax-jquery-spec.js
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describe("Jasmine Mock Ajax (for jQuery)", function() {
var request, anotherRequest, response;
var success, error, complete;
var sharedContext = {};
beforeEach(function() {
success = jasmine.createSpy("onSuccess");
error = jasmine.createSpy("onFailure");
complete = jasmine.createSpy("onComplete");
});
describe("when making a request", function () {
beforeEach(function() {
request = jQuery.ajax({
url: "example.com/someApi",
type: "GET",
success: success,
complete: complete,
error: error
});
});
it("should store URL and transport", function() {
expect(request.url).toEqual("example.com/someApi");
});
it("should queue the request", function() {
expect(ajaxRequests.length).toEqual(1);
});
it("should allow access to the queued request", function() {
expect(ajaxRequests[0]).toEqual(request);
});
describe("and then another request", function () {
beforeEach(function() {
anotherRequest = jQuery.ajax({
url: "example.com/someApi",
type: "GET",
success: success,
complete: complete,
error: error
});
});
it("should queue the next request", function() {
expect(ajaxRequests.length).toEqual(2);
});
it("should allow access to the other queued request", function() {
expect(ajaxRequests[1]).toEqual(anotherRequest);
});
});
describe("mostRecentAjaxRequest", function () {
describe("when there is one request queued", function () {
it("should return the request", function() {
expect(mostRecentAjaxRequest()).toEqual(request);
});
});
describe("when there is more than one request", function () {
beforeEach(function() {
anotherRequest = jQuery.ajax({
url: "example.com/someApi",
type: "GET",
success: success,
complete: complete,
error: error
});
});
it("should return the most recent request", function() {
expect(mostRecentAjaxRequest()).toEqual(anotherRequest);
});
});
describe("when there are no requests", function () {
beforeEach(function() {
clearAjaxRequests();
});
it("should return null", function() {
expect(mostRecentAjaxRequest()).toEqual(null);
});
});
});
describe("clearAjaxRequests()", function () {
beforeEach(function() {
clearAjaxRequests();
});
it("should remove all requests", function() {
expect(ajaxRequests.length).toEqual(0);
expect(mostRecentAjaxRequest()).toEqual(null);
});
});
});
describe("when simulating a response with request.response", function () {
describe("and the response is Success", function () {
beforeEach(function() {
request = jQuery.ajax({
url: "example.com/someApi",
type: "GET",
dataType: 'text',
success: success,
complete: complete,
error: error
});
response = {status: 200, contentType: "text/html", responseText: "OK!"};
request.response(response);
sharedContext.responseCallback = success;
sharedContext.status = response.status;
sharedContext.contentType = response.contentType;
sharedContext.responseText = response.responseText;
});
it("should call the success handler", function() {
expect(success).toHaveBeenCalled();
});
it("should not call the failure handler", function() {
expect(error).not.toHaveBeenCalled();
});
it("should call the complete handler", function() {
expect(complete).toHaveBeenCalled();
});
sharedAjaxResponseBehaviorForJQuery_Success(sharedContext);
});
describe("and the response is Success, but with JSON", function () {
beforeEach(function() {
request = jQuery.ajax({
url: "example.com/someApi",
type: "GET",
dataType: 'json',
success: success,
complete: complete,
error: error
});
var responseObject = {status: 200, contentType: "application/json", responseText: '{"foo":"bar"}'};
request.response(responseObject);
sharedContext.responseCallback = success;
sharedContext.status = responseObject.status;
sharedContext.contentType = responseObject.contentType;
sharedContext.responseText = responseObject.responseText;
response = success.mostRecentCall.args[2];
});
it("should call the success handler", function() {
expect(success).toHaveBeenCalled();
});
it("should not call the failure handler", function() {
expect(error).not.toHaveBeenCalled();
});
it("should call the complete handler", function() {
expect(complete).toHaveBeenCalled();
});
it("should return a JavaScript object", function() {
expect(success.mostRecentCall.args[0]).toEqual({foo: "bar"});
});
sharedAjaxResponseBehaviorForJQuery_Success(sharedContext);
});
describe("the content type defaults to application/json", function () {
beforeEach(function() {
request = jQuery.ajax({
url: "example.com/someApi",
type: "GET",
dataType: 'json',
success: success,
complete: complete,
error: error
});
response = {status: 200, responseText: '{"foo": "valid JSON, dammit."}'};
request.response(response);
sharedContext.responseCallback = success;
sharedContext.status = response.status;
sharedContext.contentType = "application/json";
sharedContext.responseText = response.responseText;
});
it("should call the success handler", function() {
expect(success).toHaveBeenCalled();
});
it("should not call the failure handler", function() {
expect(error).not.toHaveBeenCalled();
});
it("should call the complete handler", function() {
expect(complete).toHaveBeenCalled();
});
sharedAjaxResponseBehaviorForJQuery_Success(sharedContext);
});
describe("and the status/response code is 0", function () {
beforeEach(function() {
request = jQuery.ajax({
url: "example.com/someApi",
type: "GET",
dataType: "text",
success: success,
complete: complete,
error: error
});
response = {status: 0, responseText: '{"foo": "whoops!"}'};
request.response(response);
sharedContext.responseCallback = success;
sharedContext.status = 0;
sharedContext.contentType = 'application/json';
sharedContext.responseText = response.responseText;
});
it("should call the success handler", function() {
expect(success).toHaveBeenCalled();
});
it("should not call the failure handler", function() {
expect(error).not.toHaveBeenCalled();
});
it("should call the complete handler", function() {
expect(complete).toHaveBeenCalled();
});
sharedAjaxResponseBehaviorForJQuery_Success(sharedContext);
});
});
describe("and the response is error", function () {
beforeEach(function() {
request = jQuery.ajax({
url: "example.com/someApi",
type: "GET",
dataType: "text",
success: success,
complete: complete,
error: error
});
response = {status: 500, contentType: "text/html", responseText: "(._){"};
request.response(response);
sharedContext.responseCallback = error;
sharedContext.status = response.status;
sharedContext.contentType = response.contentType;
sharedContext.responseText = response.responseText;
});
it("should not call the success handler", function() {
expect(success).not.toHaveBeenCalled();
});
it("should call the failure handler", function() {
expect(error).toHaveBeenCalled();
});
it("should call the complete handler", function() {
expect(complete).toHaveBeenCalled();
});
sharedAjaxResponseBehaviorForJQuery_Failure(sharedContext);
});
});
function sharedAjaxResponseBehaviorForJQuery_Success(context) {
describe("the success response", function () {
var xhr;
beforeEach(function() {
xhr = context.responseCallback.mostRecentCall.args[2];
});
it("should have the expected status code", function() {
expect(xhr.status).toEqual(context.status);
});
it("should have the expected content type", function() {
expect(xhr.getResponseHeader('Content-type')).toEqual(context.contentType);
});
it("should have the expected response text", function() {
expect(xhr.responseText).toEqual(context.responseText);
});
});
}
function sharedAjaxResponseBehaviorForJQuery_Failure(context) {
describe("the failure response", function () {
var xhr;
beforeEach(function() {
xhr = context.responseCallback.mostRecentCall.args[0];
});
it("should have the expected status code", function() {
expect(xhr.status).toEqual(context.status);
});
it("should have the expected content type", function() {
expect(xhr.getResponseHeader('Content-type')).toEqual(context.contentType);
});
it("should have the expected response text", function() {
expect(xhr.responseText).toEqual(context.responseText);
});
});
}