Add tests for the Wolfram Alpha engines (both API and NO API versions)

1 files changed, 292 insertions, 0 deletions

diff --git a/searx/tests/engines/test_wolframalpha_api.py b/searx/tests/engines/test_wolframalpha_api.py
new file mode 100644
index 000000000..d295cea7a
--- /dev/null
+++ b/searx/tests/engines/test_wolframalpha_api.py
@@ -0,0 +1,292 @@
+# -*- coding: utf-8 -*-
+from collections import defaultdict
+import mock
+from searx.engines import wolframalpha_api
+from searx.testing import SearxTestCase
+
+
+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)
+
+        self.assertIn('url', params)
+        self.assertIn(query, params['url'])
+        self.assertIn('wolframalpha.com', params['url'])
+
+        self.assertIn('api_key', params)
+        self.assertIn(api_key, params['api_key'])
+
+    def test_response(self):
+        self.assertRaises(AttributeError, wolframalpha_api.response, None)
+        self.assertRaises(AttributeError, wolframalpha_api.response, [])
+        self.assertRaises(AttributeError, wolframalpha_api.response, '')
+        self.assertRaises(AttributeError, wolframalpha_api.response, '[]')
+
+        xml = '''<?xml version='1.0' encoding='UTF-8'?>
+        <queryresult success='false' error='false' />
+        '''
+
+        response = mock.Mock(content=xml)
+        self.assertEqual(wolframalpha_api.response(response), [])
+
+        xml = """<?xml version='1.0' encoding='UTF-8'?>
+        <queryresult success='false'
+            error='false'
+            numpods='0'
+            datatypes=''
+            timedout=''
+            timedoutpods=''
+            timing='0.241'
+            parsetiming='0.074'
+            parsetimedout='false'
+            recalculate=''
+            id=''
+            host='http://www5a.wolframalpha.com'
+            server='56'
+            related=''
+            version='2.6'>
+         <tips count='1'>
+          <tip text='Check your spelling, and use English' />
+         </tips>
+        </queryresult>
+        """
+
+        response = mock.Mock(content=xml)
+        self.assertEqual(wolframalpha_api.response(response), [])
+
+        xml = """<?xml version='1.0' encoding='UTF-8'?>
+            <queryresult success='true'
+                error='false'
+                numpods='6'
+                datatypes=''
+                timedout=''
+                timedoutpods=''
+                timing='0.826'
+                parsetiming='0.17'
+                parsetimedout='false'
+                recalculate=''
+                id='MSPa9721hfe10fii5idac02000029c3a6f09608410h'
+                host='http://www4c.wolframalpha.com'
+                server='53'
+                related='http://www4c.wolframalpha.com/api/v2/relatedQueries.jsp?id=MSPa9731h927ig0h6b1&amp;s=53'
+                version='2.6'>
+             <pod title='Input'
+                 scanner='Identity'
+                 id='Input'
+                 position='100'
+                 error='false'
+                 numsubpods='1'>
+              <subpod title=''>
+               <img src='http://www4c.wolframalpha.com/Calculate/MSP/MSP974111ig68hc?MSPStoreType=image/gif&amp;s=53'
+                   alt='sqrt(-1)'
+                   title='sqrt(-1)'
+                   width='36'
+                   height='20' />
+               <plaintext>sqrt(-1)</plaintext>
+              </subpod>
+             </pod>
+             <pod title='Result'
+                 scanner='Simplification'
+                 id='Result'
+                 position='200'
+                 error='false'
+                 numsubpods='1'
+                 primary='true'>
+              <subpod title=''>
+               <img src='http://www4c.wolframalpha.com/Calculate/MSP/MSP9751hfe101fc27?MSPStoreType=image/gif&amp;s=53'
+                   alt='i'
+                   title='i'
+                   width='5'
+                   height='18' />
+               <plaintext>i</plaintext>
+              </subpod>
+              <states count='1'>
+               <state name='Step-by-step solution'
+                   input='Result__Step-by-step solution' />
+              </states>
+             </pod>
+             <pod title='Polar coordinates'
+                 scanner='Numeric'
+                 id='PolarCoordinates'
+                 position='300'
+                 error='false'
+                 numsubpods='1'>
+              <subpod title=''>
+               <img src='http://www4c.wolframalpha.com/Calculate/MSP/MSP97600003i83?MSPStoreType=image/gif&amp;s=53'
+                   alt='r = 1 (radius), theta = 90° (angle)'
+                   title='r = 1 (radius), theta = 90° (angle)'
+                   width='209'
+                   height='18' />
+               <plaintext>r = 1 (radius), theta = 90° (angle)</plaintext>
+              </subpod>
+             </pod>
+             <pod title='Position in the complex plane'
+                 scanner='Numeric'
+                 id='PositionInTheComplexPlane'
+                 position='400'
+                 error='false'
+                 numsubpods='1'>
+              <subpod title=''>
+               <img src='http://www4c.wolframalpha.com/Calculate/MSP/MSP9771e10ficg4g?MSPStoreType=image/gif&amp;s=53'
+                   alt=''
+                   title=''
+                   width='200'
+                   height='185' />
+               <plaintext></plaintext>
+              </subpod>
+             </pod>
+             <pod title='All 2nd roots of -1'
+                 scanner='RootsOfUnity'
+                 id=''
+                 position='500'
+                 error='false'
+                 numsubpods='2'>
+              <subpod title=''>
+               <img src='http://www4c.wolframalpha.com/Calculate/MSP/MSP9781hfe10fii?MSPStoreType=image/gif&amp;s=53'
+                   alt='i  (principal root)'
+                   title='i  (principal root)'
+                   width='94'
+                   height='18' />
+               <plaintext>i  (principal root)</plaintext>
+              </subpod>
+              <subpod title=''>
+               <img src='http://www4c.wolframalpha.com/Calculate/MSP/MSP9791hfe16f2eh1?MSPStoreType=image/gif&amp;s=53'
+                   alt='-i'
+                   title='-i'
+                   width='16'
+                   height='18' />
+               <plaintext>-i</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=''>
+               <img src='http://www4c.wolframalpha.com/Calculate/MSP/MSP9801h0fi192f9?MSPStoreType=image/gif&amp;s=53'
+                   alt=''
+                   title=''
+                   width='200'
+                   height='185' />
+               <plaintext></plaintext>
+              </subpod>
+             </pod>
+            </queryresult>
+        """
+        response = mock.Mock(content=xml)
+        results = wolframalpha_api.response(response)
+        self.assertEqual(type(results), list)
+        self.assertEqual(len(results), 1)
+        self.assertIn("i", results[0]['answer'])
+
+        xml = """<?xml version='1.0' encoding='UTF-8'?>
+        <queryresult success='true'
+            error='false'
+            numpods='2'
+            datatypes=''
+            timedout='Integral'
+            timedoutpods=''
+            timing='1.245'
+            parsetiming='0.194'
+            parsetimedout='false'
+            recalculate='http://www4b.wolframalpha.com/api/v2/recalc.jsp?id=MSPa77651gf1a1hie0ii051ea0e1c&amp;s=3'
+            id='MSPa77661gf1a1hie5c9d9a600003baifafc1211daef'
+            host='http://www4b.wolframalpha.com'
+            server='3'
+            related='http://www4b.wolframalpha.com/api/v2/relatedQueries.jsp?id=MSPa77671gf1a1hie5c5hc2&amp;s=3'
+            version='2.6'>
+         <pod title='Indefinite integral'
+             scanner='Integral'
+             id='IndefiniteIntegral'
+             position='100'
+             error='false'
+             numsubpods='1'
+             primary='true'>
+          <subpod title=''>
+           <img src='http://www4b.wolframalpha.com/Calculate/MSP/MSP776814b9492i9a7gb16?MSPStoreType=image/gif&amp;s=3'
+               alt=' integral 1/x dx = log(x)+constant'
+               title=' integral 1/x dx = log(x)+constant'
+               width='182'
+               height='36' />
+           <plaintext> integral 1/x dx = log(x)+constant</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'>
+            <img src='http://www4b.wolframalpha.com/Calculate/MSP/MSP77691g23eg440g89db?MSPStoreType=image/gif&amp;s=3'
+                alt='log(x) is the natural logarithm'
+                title='log(x) is the natural logarithm'
+                width='198'
+                height='18' />
+            <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'
+             scanner='Integral'
+             id='Plot'
+             position='200'
+             error='false'
+             numsubpods='2'>
+          <subpod title=''>
+           <img src='http://www4b.wolframalpha.com/Calculate/MSP/MSP77701gf1a9d2eb630g9?MSPStoreType=image/gif&amp;s=3'
+               alt=''
+               title=''
+               width='334'
+               height='128' />
+           <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=''>
+           <img src='http://www4b.wolframalpha.com/Calculate/MSP/MSP77711gf1ai29a34b0ab?MSPStoreType=image/gif&amp;s=3'
+               alt=''
+               title=''
+               width='334'
+               height='133' />
+           <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>
+        </queryresult>
+        """
+        response = mock.Mock(content=xml)
+        results = wolframalpha_api.response(response)
+        self.assertEqual(type(results), list)
+        self.assertEqual(len(results), 1)
+        self.assertIn("log(x)+c", results[0]['answer'])