129 lines
4.2 KiB
JavaScript
129 lines
4.2 KiB
JavaScript
describe("FakeXMLHttpRequest", function() {
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var xhr;
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var xhr2;
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beforeEach(function() {
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var realXMLHttpRequest = {someOtherProperty: 'someValue'},
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realXMLHttpRequestCtor = spyOn(window, 'XMLHttpRequest').and.returnValue(realXMLHttpRequest),
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fakeGlobal = {XMLHttpRequest: realXMLHttpRequestCtor},
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mockAjax = new MockAjax(fakeGlobal);
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mockAjax.install();
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xhr = new fakeGlobal.XMLHttpRequest();
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xhr2 = new fakeGlobal.XMLHttpRequest();
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});
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it("should have an initial readyState of 0 (uninitialized)", function() {
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expect(xhr.readyState).toEqual(0);
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});
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describe("when setting request headers", function() {
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beforeEach(function() {
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xhr.setRequestHeader('X-Header-1', 'one');
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});
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it("should make the request headers available", function() {
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expect(Object.keys(xhr.requestHeaders).length).toEqual(1);
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expect(xhr.requestHeaders['X-Header-1']).toEqual('one');
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});
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describe("when setting headers on another xhr object", function() {
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beforeEach(function() {
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xhr2.setRequestHeader('X-Header-2', 'two');
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});
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it("should make the only its request headers available", function() {
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expect(Object.keys(xhr2.requestHeaders).length).toEqual(1);
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expect(xhr2.requestHeaders['X-Header-2']).toEqual('two');
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});
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it("should not modify any other xhr objects", function() {
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expect(Object.keys(xhr.requestHeaders).length).toEqual(1);
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expect(xhr.requestHeaders['X-Header-1']).toEqual('one');
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});
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});
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});
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describe("when opened", function() {
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beforeEach(function() {
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spyOn(xhr, 'onreadystatechange');
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xhr.open("GET", "http://example.com");
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});
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it("should have a readyState of 1 (open)", function() {
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expect(xhr.readyState).toEqual(1);
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expect(xhr.onreadystatechange).toHaveBeenCalled();
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});
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describe("when sent", function() {
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it("should have a readyState of 2 (sent)", function() {
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xhr.onreadystatechange.calls.reset();
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xhr.send(null);
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expect(xhr.readyState).toEqual(2);
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expect(xhr.onreadystatechange).toHaveBeenCalled();
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});
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});
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describe("when a response comes in", function() {
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it("should have a readyState of 4 (loaded)", function() {
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xhr.onreadystatechange.calls.reset();
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xhr.response({status: 200});
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expect(xhr.readyState).toEqual(4);
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expect(xhr.onreadystatechange).toHaveBeenCalled();
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});
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});
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describe("when aborted", function() {
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it("should have a readyState of 0 (uninitialized)", function() {
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xhr.onreadystatechange.calls.reset();
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xhr.abort();
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expect(xhr.readyState).toEqual(0);
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expect(xhr.onreadystatechange).toHaveBeenCalled();
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expect(xhr.status).toEqual(0);
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expect(xhr.statusText).toEqual("abort");
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});
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});
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});
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describe("when opened with a username/password", function() {
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beforeEach(function() {
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xhr.open("GET", "http://example.com", true, "username", "password");
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});
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it("should store the username", function() {
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expect(xhr.username).toEqual("username");
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});
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it("should store the password", function() {
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expect(xhr.password).toEqual("password");
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});
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});
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it("can be extended", function(){
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pending("why do we want to do this?");
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FakeXMLHttpRequest.prototype.foo = function(){
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return "foo";
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};
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expect(new FakeXMLHttpRequest().foo()).toEqual("foo");
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});
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describe("data", function() {
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beforeEach(function() {
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xhr.open("POST", "http://example.com?this=that");
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xhr.send('3+stooges=shemp&3+stooges=larry%20%26%20moe%20%26%20curly&some%3Dthing=else+entirely');
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});
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it("should return request params as a hash of arrays", function() {
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var data = xhr.data();
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expect(data['3 stooges'].length).toEqual(2);
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expect(data['3 stooges'][0]).toEqual('shemp');
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expect(data['3 stooges'][1]).toEqual('larry & moe & curly');
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expect(data['some=thing']).toEqual(['else entirely']);
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});
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});
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describe("when a fake XMLHttpRequest is created", function() {
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it("inherits the properties of the real XMLHttpRequest object", function() {
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expect(xhr.someOtherProperty).toBe('someValue');
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})
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})
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});
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