diff --git a/test/fake-jsonp-google-feed-api.js b/test/fake-jsonp-google-feed-api.js
new file mode 100644
index 0000000..c54b3bd
--- /dev/null
+++ b/test/fake-jsonp-google-feed-api.js
@@ -0,0 +1,87 @@
+'use strict';
+
+(function() {
+  var FakeGoogleFeedAPIPScript = function() {
+  };
+
+  FakeGoogleFeedAPIPScript.prototype.FILENAME = 'fake-jsonp-google-feed-api.js';
+
+  FakeGoogleFeedAPIPScript.prototype.RESPONSE = {
+    'feed': {
+     'feedUrl': 'http://foo.bar/feed/',
+     'title': 'foobar',
+      'link': 'http://foo.bar/',
+      'author': '',
+      'description': '',
+      'type': 'rss20',
+      'entries': [
+        {
+          'title': 'title1',
+          'link': 'http://foo.bar/1/',
+          'author': 'author1',
+          'publishedDate': 'Sun, 16 Mar 2014 18:31:19 +0700',
+          'contentSnippet': 'snippet1\nsnippet1 line 2',
+          'content': '<p>content1</p>\n<p>content1 line 2</p>',
+          'categories': ['foo', 'bar']
+        },
+        {
+          'title': 'title2',
+          'link': 'http://foo.bar/2/',
+          'author': 'author2',
+          'publishedDate': 'Sun, 16 Mar 2014 18:31:19 +0700',
+          'contentSnippet': 'snippet2\nsnippet2 line 2',
+          'content': '<p>content2</p>\n<p>content2 line 2</p>',
+          'categories': ['foo2', 'bar2']
+        }
+      ]
+    }
+  };
+
+  FakeGoogleFeedAPIPScript.prototype.getJSONScript = function() {
+    var scriptEls = document.getElementsByTagName('script');
+    for (var i = 0; i < scriptEls.length; i++) {
+      if (scriptEls[i].src.indexOf(this.FILENAME) === -1) {
+        continue;
+      }
+
+      return scriptEls[i];
+    }
+  };
+
+  FakeGoogleFeedAPIPScript.prototype.getSearchString = function(scriptEl) {
+    var urlUtil;
+    if (typeof window.URL === 'function') {
+      urlUtil = new window.URL(scriptEl.src, window.location);
+    } else {
+      urlUtil = document.createElement('a');
+      urlUtil.href = scriptEl.src;
+    }
+
+    return urlUtil.search.substr(1);
+  };
+
+  FakeGoogleFeedAPIPScript.prototype.getSearchParams = function(searchString) {
+    var searchParams = {};
+
+    searchString.split('&').forEach(function(keyValue) {
+      var arr = keyValue.split('=');
+      searchParams[decodeURIComponent(arr[0])] = decodeURIComponent(arr[1]);
+    });
+
+    return searchParams;
+  };
+
+  FakeGoogleFeedAPIPScript.prototype.getCallbackName = function(searchParams) {
+    return searchParams['callback'];
+  };
+
+  FakeGoogleFeedAPIPScript.prototype.respond = function() {
+    var callbackName = this.getCallbackName(
+      this.getSearchParams(this.getSearchString(this.getJSONScript())));
+
+    window[callbackName]('ctx', this.RESPONSE, 200, null, 200);
+  };
+
+  var fakeJSONPScript = new FakeGoogleFeedAPIPScript();
+  fakeJSONPScript.respond();
+})();
diff --git a/test/fake-jsonp-hello.js b/test/fake-jsonp-hello.js
new file mode 100644
index 0000000..57f53d9
--- /dev/null
+++ b/test/fake-jsonp-hello.js
@@ -0,0 +1,60 @@
+'use strict';
+
+(function() {
+  var FakeJSONPScript = function() {
+  };
+
+  FakeJSONPScript.prototype.FILENAME = 'fake-jsonp-hello.js';
+
+  FakeJSONPScript.prototype.RESPONSE = {
+    'hello': 'world'
+  };
+
+  FakeJSONPScript.prototype.getJSONScript = function() {
+    var scriptEls = document.getElementsByTagName('script');
+    for (var i = 0; i < scriptEls.length; i++) {
+      if (scriptEls[i].src.indexOf(this.FILENAME) === -1) {
+        continue;
+      }
+
+      return scriptEls[i];
+    }
+  };
+
+  FakeJSONPScript.prototype.getSearchString = function(scriptEl) {
+    var urlUtil;
+    if (typeof window.URL === 'function') {
+      urlUtil = new window.URL(scriptEl.src, window.location);
+    } else {
+      urlUtil = document.createElement('a');
+      urlUtil.href = scriptEl.src;
+    }
+
+    return urlUtil.search.substr(1);
+  };
+
+  FakeJSONPScript.prototype.getSearchParams = function(searchString) {
+    var searchParams = {};
+
+    searchString.split('&').forEach(function(keyValue) {
+      var arr = keyValue.split('=');
+      searchParams[decodeURIComponent(arr[0])] = decodeURIComponent(arr[1]);
+    });
+
+    return searchParams;
+  };
+
+  FakeJSONPScript.prototype.getCallbackName = function(searchParams) {
+    return searchParams['callback'];
+  };
+
+  FakeJSONPScript.prototype.respond = function() {
+    var callbackName = this.getCallbackName(
+      this.getSearchParams(this.getSearchString(this.getJSONScript())));
+
+    window[callbackName](this.RESPONSE);
+  };
+
+  var fakeJSONPScript = new FakeJSONPScript();
+  fakeJSONPScript.respond();
+})();
diff --git a/test/fake-jsonp-wikipedia-api.js b/test/fake-jsonp-wikipedia-api.js
new file mode 100644
index 0000000..f84b6a1
--- /dev/null
+++ b/test/fake-jsonp-wikipedia-api.js
@@ -0,0 +1,81 @@
+'use strict';
+
+(function() {
+  var FakeJSONPScript = function() {
+  };
+
+  FakeJSONPScript.prototype.FILENAME = 'fake-jsonp-wikipedia-api.js';
+
+  FakeJSONPScript.prototype.RESPONSE = {
+     'query':{
+        'pages':{
+           '169409':{
+              'pageid':169409,
+              'ns':0,
+              'title':'Happiness',
+              'revisions':[
+                 {
+                    '*':'<div class="dablink">Several terms redirect here.  ' +
+                        'For other uses, see <a href="/wiki/Happiness_' +
+                        '(disambiguation)" title="Happiness (disambiguation)' +
+                        '">Happiness (disambiguation)</a>, <a href="/wiki/' +
+                        'Happy_(disambiguation)" title="Happy' +
+                        ' (disambiguation)">Happy (disambiguation)</a>' +
+                        ', and <a href="/wiki/Jolly_(disambiguation)"' +
+                        ' title="Jolly (disambiguation)">Jolly' +
+                        ' (disambiguation)</a>.</div>'
+                 }
+              ]
+           }
+        }
+     }
+  };
+
+  FakeJSONPScript.prototype.getJSONScript = function() {
+    var scriptEls = document.getElementsByTagName('script');
+    for (var i = 0; i < scriptEls.length; i++) {
+      if (scriptEls[i].src.indexOf(this.FILENAME) === -1) {
+        continue;
+      }
+
+      return scriptEls[i];
+    }
+  };
+
+  FakeJSONPScript.prototype.getSearchString = function(scriptEl) {
+    var urlUtil;
+    if (typeof window.URL === 'function') {
+      urlUtil = new window.URL(scriptEl.src, window.location);
+    } else {
+      urlUtil = document.createElement('a');
+      urlUtil.href = scriptEl.src;
+    }
+
+    return urlUtil.search.substr(1);
+  };
+
+  FakeJSONPScript.prototype.getSearchParams = function(searchString) {
+    var searchParams = {};
+
+    searchString.split('&').forEach(function(keyValue) {
+      var arr = keyValue.split('=');
+      searchParams[decodeURIComponent(arr[0])] = decodeURIComponent(arr[1]);
+    });
+
+    return searchParams;
+  };
+
+  FakeJSONPScript.prototype.getCallbackName = function(searchParams) {
+    return searchParams['callback'];
+  };
+
+  FakeJSONPScript.prototype.respond = function() {
+    var callbackName = this.getCallbackName(
+      this.getSearchParams(this.getSearchString(this.getJSONScript())));
+
+    window[callbackName](this.RESPONSE);
+  };
+
+  var fakeJSONPScript = new FakeJSONPScript();
+  fakeJSONPScript.respond();
+})();
diff --git a/test/unit/fetchers.js b/test/unit/fetchers.js
index bdd36f8..dfcff55 100644
--- a/test/unit/fetchers.js
+++ b/test/unit/fetchers.js
@@ -203,12 +203,12 @@ module('JSONPFetcher');
 test('requestData(url)', function() {
   var fetcher = new JSONPFetcher();
   fetcher.handleResponse = function handleResponse(res) {
-    ok(res && res.ip === '127.0.0.1', 'got data.');
+    ok(res && res.hello === 'world', 'got data.');
 
     start();
   };
   stop();
-  fetcher.requestData('http://freegeoip.net/json/127.0.0.1');
+  fetcher.requestData('./fake-jsonp-hello.js');
 });
 
 test('requestData(non-exist API)', function() {
@@ -219,19 +219,19 @@ test('requestData(non-exist API)', function() {
     start();
   };
   stop();
-  /* example.com:443 should refuse the connection. */
-  fetcher.requestData('https://example.com/');
+  fetcher.requestData('./404');
 });
 
 module('FeedFetcher');
 
 test('getData(\'feed\')', function() {
   var fetcher = new FeedFetcher();
-  var data = 'http://blog.timc.idv.tw/feed/';
+  fetcher.FEED_API_LOAD_URL = './fake-jsonp-google-feed-api.js';
+  var data = 'http://foo.bar/feed/';
   stop();
   fetcher.app = {
     handleData: function gotData(data) {
-      ok(!!data, 'Received data, length: ' + data.length);
+      equal(data, 'title1\ncontent1\ncontent1 line 2\n\ntitle2\ncontent2\ncontent2 line 2\n');
 
       start();
     }
@@ -241,7 +241,8 @@ test('getData(\'feed\')', function() {
 
 test('stop()', function() {
   var fetcher = new FeedFetcher();
-  var data = 'http://blog.timc.idv.tw/feed/';
+  fetcher.FEED_API_LOAD_URL = './fake-jsonp-google-feed-api.js';
+  var data = 'http://foo.bar/feed/';
   var timer;
   stop();
   fetcher.app = {
@@ -265,6 +266,7 @@ module('WikipediaFetcher');
 
 test('getData(\'wikipedia\')', function() {
   var fetcher = new WikipediaFetcher();
+  fetcher.WIKIPEDIA_API_URL = './fake-jsonp-wikipedia-api.js';
   var data = 'Happiness';
   stop();
   fetcher.app = {
@@ -279,6 +281,7 @@ test('getData(\'wikipedia\')', function() {
 
 test('stop()', function() {
   var fetcher = new WikipediaFetcher();
+  fetcher.WIKIPEDIA_API_URL = './fake-jsonp-wikipedia-api.js';
   var data = 'Happiness';
   var timer;
   stop();