530 lines
18 KiB
JavaScript
530 lines
18 KiB
JavaScript
describe("Jasmine Mock Ajax (for toplevel)", function() {
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var request, anotherRequest, response;
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var success, error, complete;
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var client, onreadystatechange;
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var sharedContext = {};
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var fakeGlobal, mockAjax;
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beforeEach(function() {
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var fakeXMLHttpRequest = jasmine.createSpy('realFakeXMLHttpRequest');
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fakeGlobal = {XMLHttpRequest: fakeXMLHttpRequest};
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mockAjax = new MockAjax(fakeGlobal);
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mockAjax.install();
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success = jasmine.createSpy("onSuccess");
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error = jasmine.createSpy("onFailure");
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complete = jasmine.createSpy("onComplete");
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onreadystatechange = function() {
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if (this.readyState == (this.DONE || 4)) { // IE 8 doesn't support DONE
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if (this.status == 200) {
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if (this.responseHeaders['Content-type'] === 'application/json') {
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this.response = JSON.parse(this.responseText);
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} else {
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this.response = this.responseText;
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}
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success(this.responseText, this.textStatus, this);
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} else {
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error(this, this.textStatus, '');
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}
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complete(this, this.textStatus);
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}
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};
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});
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describe("when making a request", function () {
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beforeEach(function() {
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client = new fakeGlobal.XMLHttpRequest();
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client.onreadystatechange = onreadystatechange;
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client.open("GET", "example.com/someApi");
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client.send();
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request = mockAjax.requests.mostRecent();
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});
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it("should store URL and transport", function() {
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expect(request.url).toEqual("example.com/someApi");
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});
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it("should queue the request", function() {
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expect(mockAjax.requests.count()).toEqual(1);
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});
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it("should allow access to the queued request", function() {
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expect(mockAjax.requests.first()).toEqual(request);
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});
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it("should allow access to the queued request via index", function() {
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expect(mockAjax.requests.at(0)).toEqual(request);
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});
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describe("and then another request", function () {
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beforeEach(function() {
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client = new fakeGlobal.XMLHttpRequest();
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client.onreadystatechange = onreadystatechange;
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client.open("GET", "example.com/someApi");
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client.send();
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anotherRequest = mockAjax.requests.mostRecent();
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});
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it("should queue the next request", function() {
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expect(mockAjax.requests.count()).toEqual(2);
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});
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it("should allow access to the other queued request", function() {
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expect(mockAjax.requests.first()).toEqual(request);
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expect(mockAjax.requests.mostRecent()).toEqual(anotherRequest);
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});
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});
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describe("mockAjax.requests.mostRecent()", function () {
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describe("when there is one request queued", function () {
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it("should return the request", function() {
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expect(mockAjax.requests.mostRecent()).toEqual(request);
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});
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});
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describe("when there is more than one request", function () {
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beforeEach(function() {
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client = new fakeGlobal.XMLHttpRequest();
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client.onreadystatechange = onreadystatechange;
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client.open("GET", "example.com/someApi");
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client.send();
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anotherRequest = mockAjax.requests.mostRecent();
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});
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it("should return the most recent request", function() {
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expect(mockAjax.requests.mostRecent()).toEqual(anotherRequest);
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});
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});
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describe("when there are no requests", function () {
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beforeEach(function() {
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mockAjax.requests.reset();
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});
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it("should return null", function() {
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expect(mockAjax.requests.mostRecent()).toBeUndefined();
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});
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});
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});
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describe("clearAjaxRequests()", function () {
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beforeEach(function() {
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mockAjax.requests.reset();
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});
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it("should remove all requests", function() {
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expect(mockAjax.requests.count()).toEqual(0);
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expect(mockAjax.requests.mostRecent()).toBeUndefined();
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});
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});
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describe("filter", function() {
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describe("when there are no matching requests", function() {
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it("returns an empty array", function() {
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expect(mockAjax.requests.filter('/philharmonic')).toEqual([]);
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});
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});
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describe("when there is one matching request", function() {
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describe("returns an array with the single matching request", function() {
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it("matches by exact URL", function() {
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expect(mockAjax.requests.filter('example.com/someApi').length).toEqual(1);
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});
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it("matches by regexp", function() {
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expect(mockAjax.requests.filter(/some.pi/).length).toEqual(1);
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});
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it("matches by funcarg", function() {
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expect(mockAjax.requests.filter(function(request) {
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return request.url == "example.com/someApi";
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}).length).toEqual(1);
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});
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});
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});
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describe("when there is a non-matching request", function() {
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beforeEach(function() {
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client = new fakeGlobal.XMLHttpRequest();
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client.onreadystatechange = onreadystatechange;
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client.open("GET", "example.com/someOtherApi");
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client.send();
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});
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it("returns just the matching requests", function() {
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expect(mockAjax.requests.filter('example.com/someApi').length).toEqual(1);
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});
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it("matches by exact URL", function() {
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expect(mockAjax.requests.filter('example.com/someApi').length).toEqual(1);
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});
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it("matches by regexp", function() {
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expect(mockAjax.requests.filter(/some.pi/).length).toEqual(1);
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});
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it("matches by funcarg", function() {
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expect(mockAjax.requests.filter(function(request) {
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return request.url == "example.com/someApi";
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}).length).toEqual(1);
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});
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});
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});
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});
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describe("when simulating a response with request.response", function () {
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describe("and the response is Success", function () {
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beforeEach(function() {
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client = new fakeGlobal.XMLHttpRequest();
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client.onreadystatechange = onreadystatechange;
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client.open("GET", "example.com/someApi");
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client.setRequestHeader("Content-Type", "text/plain")
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client.send();
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request = mockAjax.requests.mostRecent();
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response = {status: 200, statusText: "OK", contentType: "text/html", responseText: "OK!"};
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request.makeResponse(response);
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sharedContext.responseCallback = success;
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sharedContext.status = response.status;
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sharedContext.statusText = response.statusText;
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sharedContext.contentType = response.contentType;
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sharedContext.responseText = response.responseText;
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});
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it("should call the success handler", function() {
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expect(success).toHaveBeenCalled();
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});
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it("should not call the failure handler", function() {
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expect(error).not.toHaveBeenCalled();
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});
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it("should call the complete handler", function() {
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expect(complete).toHaveBeenCalled();
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});
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sharedAjaxResponseBehaviorForZepto_Success(sharedContext);
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});
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describe("and the response is Success, but with JSON", function () {
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beforeEach(function() {
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client = new fakeGlobal.XMLHttpRequest();
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client.onreadystatechange = onreadystatechange;
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client.open("GET", "example.com/someApi");
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client.setRequestHeader("Content-Type", "application/json")
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client.send();
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request = mockAjax.requests.mostRecent();
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var responseObject = {status: 200, statusText: "OK", contentType: "application/json", responseText: '{"foo":"bar"}', responseType: "json"};
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request.makeResponse(responseObject);
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sharedContext.responseCallback = success;
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sharedContext.status = responseObject.status;
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sharedContext.statusText = responseObject.statusText;
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sharedContext.contentType = responseObject.contentType;
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sharedContext.response = responseObject.response;
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sharedContext.responseText = responseObject.responseText;
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sharedContext.responseType = responseObject.responseType;
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response = success.calls.mostRecent().args[2];
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});
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it("should call the success handler", function() {
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expect(success).toHaveBeenCalled();
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});
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it("should not call the failure handler", function() {
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expect(error).not.toHaveBeenCalled();
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});
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it("should call the complete handler", function() {
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expect(complete).toHaveBeenCalled();
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});
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it("should return a JavaScript object for XHR2 response", function() {
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var responseText = sharedContext.responseText;
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expect(success.calls.mostRecent().args[0]).toEqual(responseText);
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expect(response.responseText).toEqual(responseText);
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expect(response.response).toEqual({foo: "bar"});
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});
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sharedAjaxResponseBehaviorForZepto_Success(sharedContext);
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});
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describe("and the response is Success, and response is overriden", function () {
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beforeEach(function() {
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client = new fakeGlobal.XMLHttpRequest();
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client.onreadystatechange = onreadystatechange;
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client.open("GET", "example.com/someApi");
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client.setRequestHeader("Content-Type", "application/json")
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client.send();
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request = mockAjax.requests.mostRecent();
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var responseObject = {status: 200, statusText: "OK", contentType: "application/json", responseText: '{"foo":"bar"}', response: {foo: "bar"}};
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request.makeResponse(responseObject);
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sharedContext.responseCallback = success;
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sharedContext.status = responseObject.status;
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sharedContext.statusText = responseObject.statusText;
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sharedContext.contentType = responseObject.contentType;
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sharedContext.response = responseObject.response;
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sharedContext.responseText = responseObject.responseText;
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sharedContext.responseType = responseObject.responseType;
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response = success.calls.mostRecent().args[2];
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});
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it("should return the provided override for the XHR2 response", function() {
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var responseText = sharedContext.responseText;
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expect(response.responseText).toEqual(responseText);
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expect(response.response).toEqual({foo: "bar"});
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});
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sharedAjaxResponseBehaviorForZepto_Success(sharedContext);
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});
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describe("and responseType is not currently inferable", function () {
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var responseObject;
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beforeEach(function() {
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client = new fakeGlobal.XMLHttpRequest();
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client.onreadystatechange = onreadystatechange;
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client.open("GET", "example.com/someApi");
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client.setRequestHeader("Content-Type", "application/json")
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client.send();
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request = mockAjax.requests.mostRecent();
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responseObject = {status: 200, statusText: "OK", contentType: "application/json", responseText: '{"foo":"bar"}'};
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});
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it("throw an error for unsupported responseType 'arraybuffer'", function() {
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responseObject.responseType = 'arraybuffer';
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expect(function() { request.makeResponse(responseObject) }).toThrow();
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});
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it("throw an error for unsupported responseType 'blob'", function() {
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responseObject.responseType = 'blob';
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expect(function() { request.makeResponse(responseObject) }).toThrow();
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});
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it("throw an error for unsupported responseType 'document'", function() {
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responseObject.responseType = 'document';
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expect(function() { request.makeResponse(responseObject) }).toThrow();
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});
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});
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describe("the content type defaults to application/json", function () {
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beforeEach(function() {
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client = new fakeGlobal.XMLHttpRequest();
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client.onreadystatechange = onreadystatechange;
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client.open("GET", "example.com/someApi");
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client.setRequestHeader("Content-Type", "application/json")
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client.send();
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request = mockAjax.requests.mostRecent();
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response = {status: 200, statusText: "OK", responseText: '{"foo": "valid JSON, dammit."}', responseType: 'json'};
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request.makeResponse(response);
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sharedContext.responseCallback = success;
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sharedContext.status = response.status;
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sharedContext.statusText = response.statusText;
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sharedContext.contentType = "application/json";
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sharedContext.responseText = response.responseText;
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});
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it("should call the success handler", function() {
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expect(success).toHaveBeenCalled();
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});
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it("should not call the failure handler", function() {
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expect(error).not.toHaveBeenCalled();
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});
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it("should call the complete handler", function() {
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expect(complete).toHaveBeenCalled();
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});
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sharedAjaxResponseBehaviorForZepto_Success(sharedContext);
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});
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describe("and the status/response code is 0", function () {
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beforeEach(function() {
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client = new fakeGlobal.XMLHttpRequest();
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client.onreadystatechange = onreadystatechange;
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client.open("GET", "example.com/someApi");
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client.setRequestHeader("Content-Type", "text/plain")
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client.send();
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request = mockAjax.requests.mostRecent();
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response = {status: 0, statusText: "ABORT", response: '{"foo": "response"}', responseText: '{"foo": "whoops!"}'};
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request.makeResponse(response);
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sharedContext.responseCallback = error;
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sharedContext.status = 0;
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sharedContext.statusText = response.statusText;
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sharedContext.contentType = 'application/json';
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sharedContext.response = response.response;
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sharedContext.responseText = response.responseText;
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});
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it("should call the success handler", function() {
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expect(success).not.toHaveBeenCalled();
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});
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it("should not call the failure handler", function() {
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expect(error).toHaveBeenCalled();
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});
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it("should call the complete handler", function() {
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expect(complete).toHaveBeenCalled();
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});
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sharedAjaxResponseBehaviorForZepto_Failure(sharedContext);
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});
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});
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describe("and the response is error", function () {
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beforeEach(function() {
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client = new fakeGlobal.XMLHttpRequest();
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client.onreadystatechange = onreadystatechange;
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client.open("GET", "example.com/someApi");
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client.setRequestHeader("Content-Type", "text/plain")
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client.send();
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request = mockAjax.requests.mostRecent();
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response = {status: 500, statusText: "SERVER ERROR", contentType: "text/html", response: "(._){response", responseText: "(._){"};
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request.makeResponse(response);
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sharedContext.responseCallback = error;
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sharedContext.status = response.status;
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sharedContext.statusText = response.statusText;
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sharedContext.contentType = response.contentType;
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sharedContext.response = response.response;
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sharedContext.responseText = response.responseText;
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});
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it("should not call the success handler", function() {
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expect(success).not.toHaveBeenCalled();
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});
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it("should call the failure handler", function() {
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expect(error).toHaveBeenCalled();
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});
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it("should call the complete handler", function() {
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expect(complete).toHaveBeenCalled();
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});
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sharedAjaxResponseBehaviorForZepto_Failure(sharedContext);
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});
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describe('when simulating a response with request.responseTimeout', function() {
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beforeEach(function() {
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jasmine.clock().install();
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client = new fakeGlobal.XMLHttpRequest();
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client.onreadystatechange = onreadystatechange;
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client.open("GET", "example.com/someApi");
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client.setRequestHeader("Content-Type", "text/plain")
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client.send();
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request = mockAjax.requests.mostRecent();
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response = {contentType: "text/html", response: "(._){response", responseText: "(._){", responseType: "text"};
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request.responseTimeout(response);
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sharedContext.responseCallback = error;
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sharedContext.status = response.status;
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sharedContext.statusText = response.statusText;
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sharedContext.contentType = response.contentType;
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sharedContext.response = response.response;
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sharedContext.responseText = response.responseText;
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});
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afterEach(function() {
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jasmine.clock().uninstall();
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});
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it("should not call the success handler", function() {
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expect(success).not.toHaveBeenCalled();
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});
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it("should call the failure handler", function() {
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expect(error).toHaveBeenCalled();
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});
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it("should call the complete handler", function() {
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expect(complete).toHaveBeenCalled();
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});
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});
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});
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function sharedAjaxResponseBehaviorForZepto_Success(context) {
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describe("the success response", function () {
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var xhr;
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beforeEach(function() {
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xhr = context.responseCallback.calls.mostRecent().args[2];
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});
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it("should have the expected status code", function() {
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expect(xhr.status).toEqual(context.status);
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});
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it("should have the expected content type", function() {
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expect(xhr.getResponseHeader('Content-Type')).toEqual(context.contentType);
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});
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it("should have the expected xhr2 response", function() {
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var expected = context.response || context.responseType == 'json' ? JSON.parse(context.responseText) : context.responseText;
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expect(xhr.response).toEqual(expected);
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});
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it("should have the expected response text", function() {
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expect(xhr.responseText).toEqual(context.responseText);
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});
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it("should have the expected status text", function() {
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expect(xhr.statusText).toEqual(context.statusText);
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});
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});
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}
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function sharedAjaxResponseBehaviorForZepto_Failure(context) {
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describe("the failure response", function () {
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var xhr;
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beforeEach(function() {
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xhr = context.responseCallback.calls.mostRecent().args[0];
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});
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it("should have the expected status code", function() {
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expect(xhr.status).toEqual(context.status);
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});
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it("should have the expected content type", function() {
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expect(xhr.getResponseHeader('Content-Type')).toEqual(context.contentType);
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});
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it("should have the expected xhr2 response", function() {
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expect(xhr.response).toEqual(context.response);
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});
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it("should have the expected response text", function() {
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expect(xhr.responseText).toEqual(context.responseText);
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});
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it("should have the expected status text", function() {
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expect(xhr.statusText).toEqual(context.statusText);
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});
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});
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}
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