| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647 | from collections import defaultdictimport mockfrom searx.engines import dudenfrom searx.testing import SearxTestCasefrom datetime import datetimeclass TestDudenEngine(SearxTestCase):    def test_request(self):        query = 'Haus'        dic = defaultdict(dict)        data = [            [1, 'https://www.duden.de/suchen/dudenonline/Haus'],            [2, 'https://www.duden.de/suchen/dudenonline/Haus?search_api_fulltext=&page=1']        ]        for page_no, exp_res in data:            dic['pageno'] = page_no            params = duden.request(query, dic)            self.assertTrue('url' in params)            self.assertTrue(query in params['url'])            self.assertTrue('duden.de' in params['url'])            self.assertEqual(params['url'], exp_res)    def test_response(self):        resp = mock.Mock(text='<html></html>')        self.assertEqual(duden.response(resp), [])        html = """        <section class="vignette">            <h2"> <a href="/rechtschreibung/Haus">                <strong>This is the title also here</strong>            </a> </h2>          <p>This is the content</p>        </section>        """        resp = mock.Mock(text=html)        results = duden.response(resp)        self.assertEqual(len(results), 1)        self.assertEqual(type(results), list)        # testing result (dictionary entry)        r = results[0]        self.assertEqual(r['url'], 'https://www.duden.de/rechtschreibung/Haus')        self.assertEqual(r['title'], 'This is the title also here')        self.assertEqual(r['content'], 'This is the content')
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