refs #188 - local response handling

@@ -190,6 +190,7 @@ Casper.prototype.back = function back() {
         this.evaluate(function _evaluate() {
             history.back();
         });
+        this.currentResponse = this.resources.pop();
     });
 };
 
@@ -1722,8 +1723,11 @@ function createPage(casper) {
         return casper.filter('page.prompt', message, value);
     };
     page.onResourceReceived = function onResourceReceived(resource) {
-        require('http').augmentResponse(resource);
-
+        if (utils.isHTTPResource(resource)) {
+            require('http').augmentResponse(resource);
+        } else {
+            casper.log(f('Non-HTTP resource received from %s', resource.url), "debug");
+        }
         casper.emit('resource.received', resource);
         if (utils.isFunction(casper.options.onResourceReceived)) {
             casper.options.onResourceReceived.call(casper, casper, resource);
@@ -1732,13 +1736,17 @@ function createPage(casper) {
             casper.resources.push(resource);
         }
         if (resource.url === casper.requestUrl && resource.stage === "end") {
-            casper.currentResponse = resource;
-            casper.currentHTTPStatus = /^http/i.test(resource.url) ? resource.status : null;
-            casper.emit('http.status.' + resource.status, resource);
-            if (utils.isObject(casper.options.httpStatusHandlers) &&
-                resource.status in casper.options.httpStatusHandlers &&
-                utils.isFunction(casper.options.httpStatusHandlers[resource.status])) {
-                casper.options.httpStatusHandlers[resource.status].call(casper, casper, resource);
+            casper.currentHTTPStatus = null;
+            casper.currentResponse = undefined;
+            if (utils.isHTTPResource(resource)) {
+                casper.currentResponse = resource;
+                casper.currentHTTPStatus = resource.status;
+                casper.emit('http.status.' + resource.status, resource);
+                if (utils.isObject(casper.options.httpStatusHandlers) &&
+                    resource.status in casper.options.httpStatusHandlers &&
+                    utils.isFunction(casper.options.httpStatusHandlers[resource.status])) {
+                    casper.options.httpStatusHandlers[resource.status].call(casper, casper, resource);
+                }
             }
             casper.currentUrl = resource.url;
             casper.emit('location.changed', resource.url);

@@ -32,7 +32,7 @@
  * Building an Array subclass
  */
 function responseHeaders(){}
-responseHeaders.prototype = new Array;
+responseHeaders.prototype = [];
 
 /**
  * Retrieves a given header based on its name
@@ -42,17 +42,14 @@ responseHeaders.prototype = new Array;
  */
 responseHeaders.prototype.get = function get(name){
     "use strict";
-
     var headerValue = null;
     name = name.toLowerCase();
-
     this.some(function(header){
         if (header.name.toLowerCase() === name){
             headerValue = header.value;
             return true;
         }
     });
-
     return headerValue;
 };
 
@@ -62,7 +59,8 @@ responseHeaders.prototype.get = function get(name){
  * @param mixed response    Phantom response or undefined (generally with local files)
  */
 exports.augmentResponse = function(response) {
-    if (response === undefined) return;
-
+    if (response === undefined) {
+        return;
+    }
     response.headers.__proto__ = responseHeaders.prototype;
-};
\ No newline at end of file
+};

@@ -250,6 +250,17 @@
     exports.isFunction = isFunction;
 
     /**
+     * Checks if passed resource involves an HTTP url.
+     *
+     * @param  Object  resource The PhantomJS HTTP resource object
+     * @return Boolean
+     */
+    function isHTTPResource(resource) {
+        return isObject(resource) && /^http/i.test(resource.url);
+    }
+    exports.isHTTPResource = isHTTPResource;
+
+    /**
      * Checks if a file is apparently javascript compatible (.js or .coffee).
      *
      * @param  String  file  Path to the file to test

 casper.test.comment('Casper.headers.get()');
 
 var server = require('webserver').create();
-var service = server.listen(8090, function (request, response) {
+var service = server.listen(8090, function(request, response) {
     response.statusCode = 200;
     response.headers = {
         'Content-Language': 'en',
@@ -12,19 +12,20 @@ var service = server.listen(8090, function (request, response) {
     response.close();
 });
 
-function dumpHeaders () {
+function dumpHeaders() {
     casper.test.comment('Dumping current response headers');
 
-    casper.currentResponse.headers.forEach(function (header) {
+    casper.currentResponse.headers.forEach(function(header) {
         casper.test.comment('- ' + header.name + ': ' + header.value);
     });
 }
 
-casper.start('tests/site/index.html', function thenLocalPage (response) {
+// local file:// url
+casper.start('file://' + phantom.casperPath + 'tests/site/index.html', function thenLocalPage(response) {
     this.test.assertEquals(response, undefined, 'No response available on local page');
 });
 
-casper.thenOpen('http://localhost:8090/', function thenLocalhost (response) {
+casper.thenOpen('http://localhost:8090/', function thenLocalhost(response) {
     var headers = response.headers;
 
     this.test.assertEquals(headers.get('Content-Language'), 'en', 'Checking existing header (case sensitive)');
@@ -34,11 +35,11 @@ casper.thenOpen('http://localhost:8090/', function thenLocalhost (response) {
 
 casper.back();
 
-casper.then(function(response){
+casper.then(function(response) {
     this.test.assertEquals(response, undefined, 'Response should match the one of the previous step');
 });
 
-casper.run(function () {
+casper.run(function() {
     server.close();
     this.test.done();
 });

@@ -6,7 +6,8 @@ var nsteps = casper.steps.length;
 
 casper.then(function(response) {
     this.test.assertTitle('CasperJS test index', 'Casper.then() added a new step');
-    this.test.assert(response === undefined, 'Casper.then() response is undefined in local mode');
+    require('utils').dump(response);
+    this.test.assertEquals(response, undefined, 'Casper.then() response is undefined in local mode');
 });
 
 casper.test.assertEquals(casper.steps.length, nsteps + 1, 'Casper.then() can add a new step');

@@ -118,6 +118,22 @@ t.comment('isClipRect()');
     });
 })();
 
+t.comment('isHTTPResource()');
+(function() {
+    testCases = [
+        [{},                              false],
+        [{url: 'file:///var/www/i.html'}, false],
+        [{url: 'mailto:plop@plop.com'},   false],
+        [{url: 'ftp://ftp.plop.com'},     false],
+        [{url: 'HTTP://plop.com/'},       true],
+        [{url: 'https://plop.com/'},      true]
+    ];
+
+    testCases.forEach(function(testCase) {
+        t.assertEquals(utils.isHTTPResource(testCase[0]), testCase[1], 'isHTTPResource() checks for an HTTP resource');
+    });
+})();
+
 t.comment('isObject()');
 (function() {
     t.assertEquals(utils.isObject({}), true, 'isObject() checks for an Object');