jasmine-ajax/spec/javascripts/mock-ajax-toplevel-spec.js
2014-07-28 18:38:06 -07:00

449 lines
15 KiB
JavaScript

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