Parse responseText into a responseXML if the contentType is xml-ish

closes #55

lib/mock-ajax.js

@@ -99,6 +99,28 @@ getJasmineRequireObj().AjaxFakeRequest = function() {
       return headers;
     }
 
+    function parseXml(xmlText, contentType) {
+      if (global.DOMParser) {
+        return (new global.DOMParser()).parseFromString(xmlText, contentType);
+      } else {
+        var xml = new global.ActiveXObject("Microsoft.XMLDOM");
+        xml.async = "false";
+        xml.loadXML(xmlText);
+        return xml;
+      }
+    }
+
+    var xmlParsables = ['text/html', 'text/xml', 'application/xml'];
+
+    function getResponseXml(responseText, contentType) {
+      if (xmlParsables.indexOf(contentType.toLowerCase()) >= 0) {
+        return parseXml(responseText, contentType);
+      } else if (contentType.match(/\+xml$/)) {
+        return parseXml(responseText, 'text/xml');
+      }
+      return null;
+    }
+
     var iePropertiesThatCannotBeCopied = ['responseBody', 'responseText', 'responseXML', 'status', 'statusText', 'responseTimeout'];
     extend(FakeXMLHttpRequest.prototype, new global.XMLHttpRequest(), iePropertiesThatCannotBeCopied);
     extend(FakeXMLHttpRequest.prototype, {
@@ -199,6 +221,7 @@ getJasmineRequireObj().AjaxFakeRequest = function() {
         this.responseText = response.responseText || "";
         this.readyState = 4;
         this.responseHeaders = normalizeHeaders(response.responseHeaders, response.contentType);
+        this.responseXML = getResponseXml(response.responseText, this.getResponseHeader('content-type') || '');
 
         this.onload();
         this.onreadystatechange();

spec/fakeRequestSpec.js

@@ -7,7 +7,9 @@ describe('FakeRequest', function() {
     this.fakeGlobal = {
       XMLHttpRequest: function() {
         this.extraAttribute = 'my cool attribute';
-      }
+      },
+      DOMParser: window.DOMParser,
+      ActiveXObject: window.ActiveXObject
     };
     this.FakeRequest = getJasmineRequireObj().AjaxFakeRequest()(this.fakeGlobal, this.requestTracker, this.stubTracker, this.paramParser);
   });
@@ -372,4 +374,74 @@ describe('FakeRequest', function() {
     expect(request.getResponseHeader('content-type')).toBe('application/json');
     expect(request.getAllResponseHeaders()).toBe('Content-Type: application/json');
   });
+
+  it('has no responseXML by default', function() {
+    var request = new this.FakeRequest();
+    request.open();
+    request.send();
+
+    request.response({ status: 200 });
+
+    expect(request.responseXML).toBeNull();
+  });
+
+  it('parses a text/xml document into responseXML', function() {
+    var request = new this.FakeRequest();
+    request.open();
+    request.send();
+
+    request.response({ status: 200, contentType: 'text/xml', responseText: '<dom><stuff/></dom>' });
+
+    if (typeof window.Document !== 'undefined') {
+      expect(request.responseXML).toEqual(jasmine.any(window.Document));
+    } else {
+      // IE 8
+      expect(request.responseXML).toEqual(jasmine.any(window.ActiveXObject));
+    }
+  });
+
+  it('parses an application/xml document into responseXML', function() {
+    var request = new this.FakeRequest();
+    request.open();
+    request.send();
+
+    request.response({ status: 200, contentType: 'application/xml', responseText: '<dom><stuff/></dom>' });
+
+    if (typeof window.Document !== 'undefined') {
+      expect(request.responseXML).toEqual(jasmine.any(window.Document));
+    } else {
+      // IE 8
+      expect(request.responseXML).toEqual(jasmine.any(window.ActiveXObject));
+    }
+  });
+
+  it('parses a text/html document into responseXML', function() {
+    var request = new this.FakeRequest();
+    request.open();
+    request.send();
+
+    request.response({ status: 200, contentType: 'text/html', responseText: '<dom><stuff/></dom>' });
+
+    if (typeof window.Document !== 'undefined') {
+      expect(request.responseXML).toEqual(jasmine.any(window.Document));
+    } else {
+      // IE 8
+      expect(request.responseXML).toEqual(jasmine.any(window.ActiveXObject));
+    }
+  });
+
+  it('parses a custom blah+xml document into responseXML', function() {
+    var request = new this.FakeRequest();
+    request.open();
+    request.send();
+
+    request.response({ status: 200, contentType: 'application/text+xml', responseText: '<dom><stuff/></dom>' });
+
+    if (typeof window.Document !== 'undefined') {
+      expect(request.responseXML).toEqual(jasmine.any(window.Document));
+    } else {
+      // IE 8
+      expect(request.responseXML).toEqual(jasmine.any(window.ActiveXObject));
+    }
+  });
 });

spec/mock-ajax-toplevel-spec.js

@@ -9,7 +9,11 @@ describe("Jasmine Mock Ajax (for toplevel)", function() {
 
   beforeEach(function() {
     var fakeXMLHttpRequest = jasmine.createSpy('realFakeXMLHttpRequest');
-    fakeGlobal = {XMLHttpRequest: fakeXMLHttpRequest};
+    fakeGlobal = {
+      XMLHttpRequest: fakeXMLHttpRequest,
+      DOMParser: window.DOMParser,
+      ActiveXObject: window.ActiveXObject
+    };
     mockAjax = new window.MockAjax(fakeGlobal);
     mockAjax.install();
 

src/fakeRequest.js

@@ -54,6 +54,28 @@ getJasmineRequireObj().AjaxFakeRequest = function() {
       return headers;
     }
 
+    function parseXml(xmlText, contentType) {
+      if (global.DOMParser) {
+        return (new global.DOMParser()).parseFromString(xmlText, contentType);
+      } else {
+        var xml = new global.ActiveXObject("Microsoft.XMLDOM");
+        xml.async = "false";
+        xml.loadXML(xmlText);
+        return xml;
+      }
+    }
+
+    var xmlParsables = ['text/html', 'text/xml', 'application/xml'];
+
+    function getResponseXml(responseText, contentType) {
+      if (xmlParsables.indexOf(contentType.toLowerCase()) >= 0) {
+        return parseXml(responseText, contentType);
+      } else if (contentType.match(/\+xml$/)) {
+        return parseXml(responseText, 'text/xml');
+      }
+      return null;
+    }
+
     var iePropertiesThatCannotBeCopied = ['responseBody', 'responseText', 'responseXML', 'status', 'statusText', 'responseTimeout'];
     extend(FakeXMLHttpRequest.prototype, new global.XMLHttpRequest(), iePropertiesThatCannotBeCopied);
     extend(FakeXMLHttpRequest.prototype, {
@@ -154,6 +176,7 @@ getJasmineRequireObj().AjaxFakeRequest = function() {
         this.responseText = response.responseText || "";
         this.readyState = 4;
         this.responseHeaders = normalizeHeaders(response.responseHeaders, response.contentType);
+        this.responseXML = getResponseXml(response.responseText, this.getResponseHeader('content-type') || '');
 
         this.onload();
         this.onreadystatechange();