[enh] unit tests for wolframalpha

searx/engines/wolframalpha_api.py

@@ -19,9 +19,10 @@ api_key = ''  # defined in settings.yml
 # xpath variables
 failure_xpath = '/queryresult[attribute::success="false"]'
 answer_xpath = '//pod[attribute::primary="true"]/subpod/plaintext'
-input_xpath = '//pod[starts-with(attribute::title, "Input")]/subpod/plaintext'
+input_xpath = '//pod[starts-with(attribute::id, "Input")]/subpod/plaintext'
 pods_xpath = '//pod'
 subpods_xpath = './subpod'
+pod_id_xpath = './@id'
 pod_title_xpath = './@title'
 plaintext_xpath = './plaintext'
 image_xpath = './img'
@@ -30,8 +31,8 @@ img_alt_xpath = './@alt'
 
 # pods to display as image in infobox
 # this pods do return a plaintext, but they look better and are more useful as images
-image_pods = {'Visual representation',
+image_pods = {'VisualRepresentation',
-              'Manipulatives illustration'}
+              'Illustration'}
 
 
 # do search-request
@@ -45,15 +46,15 @@ def request(query, params):
 
 # replace private user area characters to make text legible
 def replace_pua_chars(text):
-    pua_chars = {u'\uf522': u'\u2192',
+    pua_chars = {u'\uf522': u'\u2192',  # rigth arrow
-                 u'\uf7b1': u'\u2115',
+                 u'\uf7b1': u'\u2115',  # set of natural numbers
-                 u'\uf7b4': u'\u211a',
+                 u'\uf7b4': u'\u211a',  # set of rational numbers
-                 u'\uf7b5': u'\u211d',
+                 u'\uf7b5': u'\u211d',  # set of real numbers
-                 u'\uf7bd': u'\u2124',
+                 u'\uf7bd': u'\u2124',  # set of integer numbers
-                 u'\uf74c': 'd',
+                 u'\uf74c': 'd',        # differential
-                 u'\uf74d': u'\u212f',
+                 u'\uf74d': u'\u212f',  # euler's number
-                 u'\uf74e': 'i',
+                 u'\uf74e': 'i',        # imaginary number
-                 u'\uf7d9': '='}
+                 u'\uf7d9': '='}        # equals sign
 
     for k, v in pua_chars.iteritems():
         text = text.replace(k, v)
@@ -71,30 +72,35 @@ def response(resp):
     if search_results.xpath(failure_xpath):
         return []
 
-    infobox_title = search_results.xpath(input_xpath)
+    try:
-    if infobox_title:
+        infobox_title = search_results.xpath(input_xpath)[0].text
-        infobox_title = replace_pua_chars(infobox_title[0].text)
+    except:
+        infobox_title = None
 
     pods = search_results.xpath(pods_xpath)
     result_chunks = []
     for pod in pods:
-        pod_title = replace_pua_chars(pod.xpath(pod_title_xpath)[0])
+        pod_id = pod.xpath(pod_id_xpath)[0]
+        pod_title = pod.xpath(pod_title_xpath)[0]
 
         subpods = pod.xpath(subpods_xpath)
         if not subpods:
             continue
 
+        # Appends either a text or an image, depending on which one is more suitable
         for subpod in subpods:
             content = subpod.xpath(plaintext_xpath)[0].text
             image = subpod.xpath(image_xpath)
-            if content and pod_title not in image_pods:
-                content = replace_pua_chars(content)
-                result_chunks.append({'label': pod_title, 'value': content})
 
-                # if there's no input pod, infobox_title is content of first pod
+            if content and pod_id not in image_pods:
+
+                # if no input pod was found, title is first plaintext pod
                 if not infobox_title:
                     infobox_title = content
 
+                content = replace_pua_chars(content)
+                result_chunks.append({'label': pod_title, 'value': content})
+
             elif image:
                 result_chunks.append({'label': pod_title,
                                       'image': {'src': image[0].xpath(img_src_xpath)[0],
@@ -103,6 +109,7 @@ def response(resp):
     if not result_chunks:
         return []
 
+    # append infobox
     results.append({'infobox': infobox_title,
                     'attributes': result_chunks,
                     'urls': [{'title': 'Wolfram|Alpha', 'url': resp.request.headers['Referer']}]})

searx/engines/wolframalpha_noapi.py

@@ -48,8 +48,8 @@ img_alt_xpath = './img/@alt'
 
 # pods to display as image in infobox
 # this pods do return a plaintext, but they look better and are more useful as images
-image_pods = {'Visual representation',
+image_pods = {'VisualRepresentation',
-              'Manipulatives illustration',
+              'Illustration',
               'Symbol'}
 
 
@@ -82,26 +82,35 @@ def request(query, params):
 # get additional pod
 # NOTE: this makes an additional requests to server, so the response will take longer and might reach timeout
 def get_async_pod(url):
-    pod = {'subpods': []}
-
     try:
         resp = http_get(url, timeout=2.0)
+    except:
+        return None
+
+    if resp:
+        return parse_async_pod(resp)
+
+
+def parse_async_pod(resp):
+    pod = {'subpods': []}
 
     resp_pod = XML(resp.content)
-        if resp_pod.xpath(success_xpath):
 
+    if resp_pod.xpath(success_xpath):
         for subpod in resp_pod:
+            new_subpod = {'title': subpod.xpath(title_xpath)[0]}
+
             plaintext = subpod.xpath(plaintext_xpath)[0].text
             if plaintext:
-                    pod['subpods'].append({'title': subpod.xpath(title_xpath)[0],
+                new_subpod['plaintext'] = plaintext
-                                           'plaintext': plaintext})
+            else:
-                elif subpod.xpath(image_xpath):
+                new_subpod['plaintext'] = ''
-                    pod['subpods'].append({'title': subpod.xpath(title_xpath)[0],
+
-                                           'plaintext': '',
+            if subpod.xpath(image_xpath):
-                                           'img': {'src': subpod.xpath(img_src_xpath)[0],
+                new_subpod['img'] = {'src': subpod.xpath(img_src_xpath)[0],
-                                                   'alt': subpod.xpath(img_alt_xpath)[0]}})
+                                     'alt': subpod.xpath(img_alt_xpath)[0]}
-    except:
+
-        pass
+            pod['subpods'].append(new_subpod)
 
     return pod
 
@@ -119,6 +128,7 @@ def response(resp):
     result_chunks = []
     infobox_title = None
     for pod in resp_json['queryresult']['pods']:
+        pod_id = pod.get('id', '')
         pod_title = pod.get('title', '')
 
         if 'subpods' not in pod:
@@ -129,17 +139,14 @@ def response(resp):
                     pod = result
                 else:
                     continue
+            else:
+                continue
 
-        # infobox title is input or text content on first pod
+        if pod_id == 'Input' or not infobox_title:
-        if pod_title.startswith('Input') or not infobox_title:
-            try:
             infobox_title = pod['subpods'][0]['plaintext']
-            except:
-                infobox_title = ''
-                pass
 
         for subpod in pod['subpods']:
-            if subpod['plaintext'] != '' and pod_title not in image_pods:
+            if subpod['plaintext'] != '' and pod_id not in image_pods:
                 # append unless it's not an actual answer
                 if subpod['plaintext'] != '(requires interactivity)':
                     result_chunks.append({'label': pod_title, 'value': subpod['plaintext']})

searx/settings.yml

@@ -311,9 +311,9 @@ engines:
     # You can use the engine using the official stable API, but you need an API key
     # See : http://products.wolframalpha.com/api/
     # engine : wolframalpha_api
-    # api_key: '5952JX-X52L3VKWT8' # required!
+    # api_key: '' # required!
     engine : wolframalpha_noapi
-    timeout: 10.0
+    timeout: 6.0
     categories : science
 
 #The blekko technology and team have joined IBM Watson! -> https://blekko.com/

tests/unit/engines/test_wolframalpha_api.py

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 from collections import defaultdict
 import mock
+from requests import Request
 from searx.engines import wolframalpha_api
 from searx.testing import SearxTestCase
 
@@ -9,17 +10,17 @@ class TestWolframAlphaAPIEngine(SearxTestCase):
 
     def test_request(self):
         query = 'test_query'
-        api_key = 'XXXXXX-XXXXXXXXXX'
         dicto = defaultdict(dict)
-        dicto['api_key'] = api_key
         params = wolframalpha_api.request(query, dicto)
 
+        # TODO: test api_key
         self.assertIn('url', params)
+        self.assertIn('https://api.wolframalpha.com/v2/query?', params['url'])
         self.assertIn(query, params['url'])
-        self.assertIn('wolframalpha.com', params['url'])
+        self.assertEqual('https://www.wolframalpha.com/input/?i=test_query', params['headers']['Referer'])
 
-        self.assertIn('api_key', params)
+    def test_replace_pua_chars(self):
-        self.assertIn(api_key, params['api_key'])
+        self.assertEqual('i', wolframalpha_api.replace_pua_chars(u'\uf74e'))
 
     def test_response(self):
         self.assertRaises(AttributeError, wolframalpha_api.response, None)
@@ -27,281 +28,137 @@ class TestWolframAlphaAPIEngine(SearxTestCase):
         self.assertRaises(AttributeError, wolframalpha_api.response, '')
         self.assertRaises(AttributeError, wolframalpha_api.response, '[]')
 
+        referer_url = 'referer_url'
+        request = Request(headers={'Referer': referer_url})
+
+        # test failure
         xml = '''<?xml version='1.0' encoding='UTF-8'?>
         <queryresult success='false' error='false' />
         '''
-        # test failure
         response = mock.Mock(content=xml)
         self.assertEqual(wolframalpha_api.response(response), [])
 
+        # test basic case
         xml = """<?xml version='1.0' encoding='UTF-8'?>
         <queryresult success='true'
             error='false'
-            numpods='6'
+            numpods='3'
-            datatypes=''
+            datatypes='Math'
-            timedout=''
+            id='queryresult_id'
-            timedoutpods=''
+            host='http://www4c.wolframalpha.com'
-            timing='0.684'
+            related='related_url'
-            parsetiming='0.138'
-            parsetimedout='false'
-            recalculate=''
-            id='MSPa416020a7966dachc463600000f9c66cc21444cfg'
-            host='http://www3.wolframalpha.com'
-            server='6'
-            related='http://www3.wolframalpha.com/api/v2/relatedQueries.jsp?...'
             version='2.6'>
             <pod title='Input'
                  scanner='Identity'
                  id='Input'
-             position='100'
-             error='false'
                  numsubpods='1'>
                   <subpod title=''>
-           <plaintext>sqrt(-1)</plaintext>
+                       <img src='input_img_src.gif'
+                           alt='input_img_alt'
+                           title='input_img_title' />
+                       <plaintext>input_plaintext</plaintext>
                   </subpod>
              </pod>
              <pod title='Result'
                  scanner='Simplification'
                  id='Result'
-             position='200'
-             error='false'
                  numsubpods='1'
                  primary='true'>
                   <subpod title=''>
-           <plaintext></plaintext>
+                       <img src='result_img_src.gif'
+                           alt='result_img_alt'
+                           title='result_img_title' />
+                       <plaintext>result_plaintext</plaintext>
                   </subpod>
-          <states count='1'>
-           <state name='Step-by-step solution'
-               input='Result__Step-by-step solution' />
-          </states>
              </pod>
-         <pod title='Polar coordinates'
+             <pod title='Manipulatives illustration'
-             scanner='Numeric'
+                 scanner='Arithmetic'
-             id='PolarCoordinates'
+                 id='Illustration'
-             position='300'
-             error='false'
                  numsubpods='1'>
                   <subpod title=''>
-           <plaintext>r1 (radius), θ90° (angle)</plaintext>
+                       <img src='illustration_img_src.gif'
-          </subpod>
+                           alt='illustration_img_alt' />
-         </pod>
+                       <plaintext>illustration_plaintext</plaintext>
-         <pod title='Position in the complex plane'
-             scanner='Numeric'
-             id='PositionInTheComplexPlane'
-             position='400'
-             error='false'
-             numsubpods='1'>
-          <subpod title=''>
-           <plaintext></plaintext>
-          </subpod>
-         </pod>
-         <pod title='All 2nd roots of -1'
-             scanner='RootsOfUnity'
-             id=''
-             position='500'
-             error='false'
-             numsubpods='2'>
-          <subpod title=''>
-           <plaintext>  (principal root)</plaintext>
-          </subpod>
-          <subpod title=''>
-           <plaintext>-</plaintext>
-          </subpod>
-         </pod>
-         <pod title='Plot of all roots in the complex plane'
-             scanner='RootsOfUnity'
-             id='PlotOfAllRootsInTheComplexPlane'
-             position='600'
-             error='false'
-             numsubpods='1'>
-          <subpod title=''>
-           <plaintext></plaintext>
                   </subpod>
              </pod>
         </queryresult>
         """
-        # test private user area char in response
+        response = mock.Mock(content=xml, request=request)
-        response = mock.Mock(content=xml)
         results = wolframalpha_api.response(response)
         self.assertEqual(type(results), list)
         self.assertEqual(len(results), 2)
-        self.assertIn('i', results[0]['answer'])
+        self.assertIn('input_plaintext', results[0]['infobox'])
-        self.assertIn('sqrt(-1) - Wolfram|Alpha', results[1]['title'])
-        self.assertEquals('http://www.wolframalpha.com/input/?i=sqrt%28-1%29', results[1]['url'])
 
+        self.assertEqual(len(results[0]['attributes']), 3)
+        self.assertIn('Input', results[0]['attributes'][0]['label'])
+        self.assertIn('input_plaintext', results[0]['attributes'][0]['value'])
+        self.assertIn('Result', results[0]['attributes'][1]['label'])
+        self.assertIn('result_plaintext', results[0]['attributes'][1]['value'])
+        self.assertIn('Manipulatives illustration', results[0]['attributes'][2]['label'])
+        self.assertIn('illustration_img_src.gif', results[0]['attributes'][2]['image']['src'])
+        self.assertIn('illustration_img_alt', results[0]['attributes'][2]['image']['alt'])
+
+        self.assertEqual(len(results[0]['urls']), 1)
+
+        self.assertEqual(referer_url, results[0]['urls'][0]['url'])
+        self.assertEqual('Wolfram|Alpha', results[0]['urls'][0]['title'])
+        self.assertEqual(referer_url, results[1]['url'])
+        self.assertEqual('Wolfram|Alpha', results[1]['title'])
+
+        # test calc
         xml = """<?xml version='1.0' encoding='UTF-8'?>
         <queryresult success='true'
             error='false'
             numpods='2'
             datatypes=''
-                timedout=''
-                timedoutpods=''
-                timing='1.286'
-                parsetiming='0.255'
             parsetimedout='false'
-                recalculate=''
+            id='queryresult_id'
-                id='MSPa195222ad740ede5214h30000480ca61h003d3gd6'
+            host='http://www5b.wolframalpha.com'
-                host='http://www3.wolframalpha.com'
+            related='related_url'
-                server='20'
+            version='2.6' >
-                related='http://www3.wolframalpha.com/api/v2/relatedQueries.jsp?id=...'
-                version='2.6'>
             <pod title='Indefinite integral'
                 scanner='Integral'
                 id='IndefiniteIntegral'
-                 position='100'
                 error='false'
                 numsubpods='1'
                 primary='true'>
                 <subpod title=''>
-               <plaintext>∫1/xxlog(x)+constant</plaintext>
+                    <img src='integral_image.gif'
+                        alt='integral_img_alt'
+                        title='integral_img_title' />
+                    <plaintext>integral_plaintext</plaintext>
                 </subpod>
-              <states count='1'>
-               <state name='Step-by-step solution'
-                   input='IndefiniteIntegral__Step-by-step solution' />
-              </states>
-              <infos count='1'>
-               <info text='log(x) is the natural logarithm'>
-                <link url='http://reference.wolfram.com/mathematica/ref/Log.html'
-                    text='Documentation'
-                    title='Mathematica' />
-                <link url='http://functions.wolfram.com/ElementaryFunctions/Log'
-                    text='Properties'
-                    title='Wolfram Functions Site' />
-                <link url='http://mathworld.wolfram.com/NaturalLogarithm.html'
-                    text='Definition'
-                    title='MathWorld' />
-               </info>
-              </infos>
             </pod>
-             <pod title='Plots of the integral'
+            <pod title='Plot'
-                 scanner='Integral'
+                scanner='Plotter'
                 id='Plot'
-                 position='200'
                 error='false'
-                 numsubpods='2'>
+                numsubpods='1'>
                 <subpod title=''>
+                    <img src='plot.gif'
+                        alt='plot_alt'
+                        title='' />
                     <plaintext></plaintext>
-               <states count='1'>
-                <statelist count='2'
-                    value='Complex-valued plot'
-                    delimiters=''>
-                 <state name='Complex-valued plot'
-                     input='Plot__1_Complex-valued plot' />
-                 <state name='Real-valued plot'
-                     input='Plot__1_Real-valued plot' />
-                </statelist>
-               </states>
-              </subpod>
-              <subpod title=''>
-               <plaintext></plaintext>
-               <states count='1'>
-                <statelist count='2'
-                    value='Complex-valued plot'
-                    delimiters=''>
-                 <state name='Complex-valued plot'
-                     input='Plot__2_Complex-valued plot' />
-                 <state name='Real-valued plot'
-                     input='Plot__2_Real-valued plot' />
-                </statelist>
-               </states>
                 </subpod>
             </pod>
-             <assumptions count='1'>
-              <assumption type='Clash'
-                  word='integral'
-                  template='Assuming &quot;${word}&quot; is ${desc1}. Use as ${desc2} instead'
-                  count='2'>
-               <value name='IntegralsWord'
-                   desc='an integral'
-                   input='*C.integral-_*IntegralsWord-' />
-               <value name='MathematicalFunctionIdentityPropertyClass'
-                   desc='a function property'
-                   input='*C.integral-_*MathematicalFunctionIdentityPropertyClass-' />
-              </assumption>
-             </assumptions>
         </queryresult>
         """
-        # test integral
+        response = mock.Mock(content=xml, request=request)
-        response = mock.Mock(content=xml)
         results = wolframalpha_api.response(response)
         self.assertEqual(type(results), list)
         self.assertEqual(len(results), 2)
-        self.assertIn('log(x)+c', results[0]['answer'])
+        self.assertIn('integral_plaintext', results[0]['infobox'])
-        self.assertIn('∫1/xx - Wolfram|Alpha'.decode('utf-8'), results[1]['title'])
-        self.assertEquals('http://www.wolframalpha.com/input/?i=%E2%88%AB1%2Fx%EF%9D%8Cx', results[1]['url'])
 
-        xml = """<?xml version='1.0' encoding='UTF-8'?>
+        self.assertEqual(len(results[0]['attributes']), 2)
-        <queryresult success='true'
+        self.assertIn('Indefinite integral', results[0]['attributes'][0]['label'])
-            error='false'
+        self.assertIn('integral_plaintext', results[0]['attributes'][0]['value'])
-            numpods='4'
+        self.assertIn('Plot', results[0]['attributes'][1]['label'])
-            datatypes='Solve'
+        self.assertIn('plot.gif', results[0]['attributes'][1]['image']['src'])
-            timedout=''
+        self.assertIn('plot_alt', results[0]['attributes'][1]['image']['alt'])
-            timedoutpods=''
+
-            timing='0.79'
+        self.assertEqual(len(results[0]['urls']), 1)
-            parsetiming='0.338'
+
-            parsetimedout='false'
+        self.assertEqual(referer_url, results[0]['urls'][0]['url'])
-            recalculate=''
+        self.assertEqual('Wolfram|Alpha', results[0]['urls'][0]['title'])
-            id='MSPa7481f7i06d25h3deh2900004810i3a78d9b4fdc'
+        self.assertEqual(referer_url, results[1]['url'])
-            host='http://www5b.wolframalpha.com'
+        self.assertEqual('Wolfram|Alpha', results[1]['title'])
-            server='23'
-            related='http://www5b.wolframalpha.com/api/v2/relatedQueries.jsp?id=...'
-            version='2.6'>
-         <pod title='Input interpretation'
-             scanner='Identity'
-             id='Input'
-             position='100'
-             error='false'
-             numsubpods='1'>
-          <subpod title=''>
-           <plaintext>solve x^2+x0</plaintext>
-          </subpod>
-         </pod>
-         <pod title='Results'
-             scanner='Solve'
-             id='Result'
-             position='200'
-             error='false'
-             numsubpods='2'
-             primary='true'>
-          <subpod title=''>
-           <plaintext>x-1</plaintext>
-          </subpod>
-          <subpod title=''>
-           <plaintext>x0</plaintext>
-          </subpod>
-          <states count='1'>
-           <state name='Step-by-step solution'
-               input='Result__Step-by-step solution' />
-          </states>
-         </pod>
-         <pod title='Root plot'
-             scanner='Solve'
-             id='RootPlot'
-             position='300'
-             error='false'
-             numsubpods='1'>
-          <subpod title=''>
-           <plaintext></plaintext>
-          </subpod>
-         </pod>
-         <pod title='Number line'
-             scanner='Solve'
-             id='NumberLine'
-             position='400'
-             error='false'
-             numsubpods='1'>
-          <subpod title=''>
-           <plaintext></plaintext>
-          </subpod>
-         </pod>
-        </queryresult>
-        """
-        # test ecuation with multiple answers
-        response = mock.Mock(content=xml)
-        results = wolframalpha_api.response(response)
-        self.assertEqual(type(results), list)
-        self.assertEqual(len(results), 3)
-        self.assertIn('x=-1', results[0]['answer'])
-        self.assertIn('x=0', results[1]['answer'])
-        self.assertIn('solve x^2+x0 - Wolfram|Alpha'.decode('utf-8'), results[2]['title'])
-        self.assertEquals('http://www.wolframalpha.com/input/?i=solve+x%5E2%2Bx%EF%9F%990', results[2]['url'])

tests/unit/engines/test_wolframalpha_noapi.py

@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 from collections import defaultdict
+import mock
+from requests import Request
 from searx.engines import wolframalpha_noapi
 from searx.testing import SearxTestCase
 
@@ -9,15 +11,228 @@ class TestWolframAlphaNoAPIEngine(SearxTestCase):
     def test_request(self):
         query = 'test_query'
         dicto = defaultdict(dict)
-        dicto['pageno'] = 1
         params = wolframalpha_noapi.request(query, dicto)
+
         self.assertIn('url', params)
+        self.assertIn('https://www.wolframalpha.com/input/json.jsp', params['url'])
         self.assertIn(query, params['url'])
-        self.assertIn('wolframalpha.com', params['url'])
+        self.assertEqual('https://www.wolframalpha.com/input/?i=test_query', params['headers']['Referer'])
 
     def test_response(self):
         self.assertRaises(AttributeError, wolframalpha_noapi.response, None)
         self.assertRaises(AttributeError, wolframalpha_noapi.response, [])
         self.assertRaises(AttributeError, wolframalpha_noapi.response, '')
         self.assertRaises(AttributeError, wolframalpha_noapi.response, '[]')
-        # TODO
+
+        referer_url = 'referer_url'
+        request = Request(headers={'Referer': referer_url})
+
+        # test failure
+        json = '''
+        {"queryresult" : {
+            "success" : false,
+            "error" : false,
+            "numpods" : 0,
+            "id" : "",
+            "host" : "https:\/\/www5a.wolframalpha.com",
+            "didyoumeans" : {}
+        }}
+        '''
+        response = mock.Mock(text=json, request=request)
+        self.assertEqual(wolframalpha_noapi.response(response), [])
+
+        # test basic case
+        json = '''
+        {"queryresult" : {
+            "success" : true,
+            "error" : false,
+            "numpods" : 6,
+            "datatypes" : "Math",
+            "id" : "queryresult_id",
+            "host" : "https:\/\/www5b.wolframalpha.com",
+            "related" : "related_url",
+            "version" : "2.6",
+            "pods" : [
+                {
+                    "title" : "Input",
+                    "scanners" : [
+                        "Identity"
+                    ],
+                    "id" : "Input",
+                    "error" : false,
+                    "numsubpods" : 1,
+                    "subpods" : [
+                        {
+                            "title" : "",
+                            "img" : {
+                                "src" : "input_img_src.gif",
+                                "alt" : "input_img_alt",
+                                "title" : "input_img_title"
+                            },
+                            "plaintext" : "input_plaintext",
+                            "minput" : "input_minput"
+                        }
+                    ]
+                },
+                {
+                    "title" : "Result",
+                    "scanners" : [
+                        "Simplification"
+                    ],
+                    "id" : "Result",
+                    "error" : false,
+                    "numsubpods" : 1,
+                    "primary" : true,
+                    "subpods" : [
+                        {
+                            "title" : "",
+                            "img" : {
+                                "src" : "result_img_src.gif",
+                                "alt" : "result_img_alt",
+                                "title" : "result_img_title"
+                            },
+                            "plaintext" : "result_plaintext",
+                            "moutput" : "result_moutput"
+                        }
+                    ]
+                },
+                {
+                    "title" : "Manipulatives illustration",
+                    "scanners" : [
+                        "Arithmetic"
+                    ],
+                    "id" : "Illustration",
+                    "error" : false,
+                    "numsubpods" : 1,
+                    "subpods" : [
+                        {
+                            "title" : "",
+                            "CDFcontent" : "Resizeable",
+                            "img" : {
+                                "src" : "illustration_img_src.gif",
+                                "alt" : "illustration_img_alt",
+                                "title" : "illustration_img_title"
+                            },
+                            "plaintext" : "illustration_img_plaintext"
+                        }
+                    ]
+                }
+            ]
+        }}
+        '''
+        response = mock.Mock(text=json, request=request)
+        results = wolframalpha_noapi.response(response)
+        self.assertEqual(type(results), list)
+        self.assertEqual(len(results), 2)
+        self.assertIn('input_plaintext', results[0]['infobox'])
+
+        self.assertEqual(len(results[0]['attributes']), 3)
+        self.assertIn('Input', results[0]['attributes'][0]['label'])
+        self.assertIn('input_plaintext', results[0]['attributes'][0]['value'])
+        self.assertIn('Result', results[0]['attributes'][1]['label'])
+        self.assertIn('result_plaintext', results[0]['attributes'][1]['value'])
+        self.assertIn('Manipulatives illustration', results[0]['attributes'][2]['label'])
+        self.assertIn('illustration_img_src.gif', results[0]['attributes'][2]['image']['src'])
+        self.assertIn('illustration_img_alt', results[0]['attributes'][2]['image']['alt'])
+
+        self.assertEqual(len(results[0]['urls']), 1)
+
+        self.assertEqual(referer_url, results[0]['urls'][0]['url'])
+        self.assertEqual('Wolfram|Alpha', results[0]['urls'][0]['title'])
+        self.assertEqual(referer_url, results[1]['url'])
+        self.assertEqual('Wolfram|Alpha', results[1]['title'])
+
+        # test calc
+        json = """
+        {"queryresult" : {
+            "success" : true,
+            "error" : false,
+            "numpods" : 2,
+            "datatypes" : "",
+            "id" : "queryresult_id",
+            "host" : "https:\/\/www4b.wolframalpha.com",
+            "related" : "related_url",
+            "version" : "2.6",
+            "pods" : [
+                {
+                    "title" : "Indefinite integral",
+                    "scanners" : [
+                        "Integral"
+                    ],
+                    "id" : "IndefiniteIntegral",
+                    "error" : false,
+                    "numsubpods" : 1,
+                    "primary" : true,
+                    "subpods" : [
+                        {
+                            "title" : "",
+                            "img" : {
+                                "src" : "integral_img_src.gif",
+                                "alt" : "integral_img_alt",
+                                "title" : "integral_img_title"
+                            },
+                            "plaintext" : "integral_plaintext",
+                            "minput" : "integral_minput",
+                            "moutput" : "integral_moutput"
+                        }
+                    ]
+                },
+                {
+                    "title" : "Plot of the integral",
+                    "scanners" : [
+                        "Integral"
+                    ],
+                    "id" : "Plot",
+                    "error" : false,
+                    "numsubpods" : 0,
+                    "async" : "invalid_async_url"
+                }
+            ]
+        }}
+        """
+        response = mock.Mock(text=json, request=request)
+        results = wolframalpha_noapi.response(response)
+        self.assertEqual(type(results), list)
+        self.assertEqual(len(results), 2)
+        self.assertIn('integral_plaintext', results[0]['infobox'])
+
+        self.assertEqual(len(results[0]['attributes']), 1)
+        self.assertIn('Indefinite integral', results[0]['attributes'][0]['label'])
+        self.assertIn('integral_plaintext', results[0]['attributes'][0]['value'])
+
+        self.assertEqual(len(results[0]['urls']), 1)
+
+        self.assertEqual(referer_url, results[0]['urls'][0]['url'])
+        self.assertEqual('Wolfram|Alpha', results[0]['urls'][0]['title'])
+        self.assertEqual(referer_url, results[1]['url'])
+        self.assertEqual('Wolfram|Alpha', results[1]['title'])
+
+    def test_parse_async_pod(self):
+        self.assertRaises(AttributeError, wolframalpha_noapi.parse_async_pod, None)
+        self.assertRaises(AttributeError, wolframalpha_noapi.parse_async_pod, [])
+        self.assertRaises(AttributeError, wolframalpha_noapi.parse_async_pod, '')
+        self.assertRaises(AttributeError, wolframalpha_noapi.parse_async_pod, '[]')
+
+        # test plot
+        xml = '''<?xml version='1.0' encoding='UTF-8'?>
+        <pod title='Plot'
+            scanner='Plot'
+            id='Plot'
+            error='false'
+            numsubpods='1'>
+            <subpod title=''>
+                <img src='plot_img_src.gif'
+                    alt='plot_img_alt'
+                    title='plot_img_title' />
+                <plaintext>plot_plaintext</plaintext>
+                <minput>plot_minput</minput>
+            </subpod>
+        </pod>
+        '''
+        response = mock.Mock(content=xml)
+        pod = wolframalpha_noapi.parse_async_pod(response)
+        self.assertEqual(len(pod['subpods']), 1)
+        self.assertEqual('', pod['subpods'][0]['title'])
+        self.assertEqual('plot_plaintext', pod['subpods'][0]['plaintext'])
+        self.assertEqual('plot_img_src.gif', pod['subpods'][0]['img']['src'])
+        self.assertEqual('plot_img_alt', pod['subpods'][0]['img']['alt'])