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							from collections import defaultdict
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							import mock
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							from searx.engines import deezer
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							from searx.testing import SearxTestCase
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							class TestDeezerEngine(SearxTestCase):
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							    def test_request(self):
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							        query = 'test_query'
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							        dicto = defaultdict(dict)
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							        dicto['pageno'] = 0
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							        params = deezer.request(query, dicto)
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							        self.assertTrue('url' in params)
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							        self.assertTrue(query in params['url'])
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							        self.assertTrue('deezer.com' in params['url'])
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							    def test_response(self):
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							        self.assertRaises(AttributeError, deezer.response, None)
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							        self.assertRaises(AttributeError, deezer.response, [])
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							        self.assertRaises(AttributeError, deezer.response, '')
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							        self.assertRaises(AttributeError, deezer.response, '[]')
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							        response = mock.Mock(text='{}')
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							        self.assertEqual(deezer.response(response), [])
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							        response = mock.Mock(text='{"data": []}')
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							        self.assertEqual(deezer.response(response), [])
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							        json = """
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							        {"data":[
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							            {"id":100, "title":"Title of track",
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							            "link":"https:\/\/www.deezer.com\/track\/1094042","duration":232,
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							            "artist":{"id":200,"name":"Artist Name",
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							                "link":"https:\/\/www.deezer.com\/artist\/1217","type":"artist"},
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							            "album":{"id":118106,"title":"Album Title","type":"album"},"type":"track"}
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							        ]}
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							        """
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							        response = mock.Mock(text=json)
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							        results = deezer.response(response)
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							        self.assertEqual(type(results), list)
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							        self.assertEqual(len(results), 1)
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							        self.assertEqual(results[0]['title'], 'Title of track')
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							        self.assertEqual(results[0]['url'], 'https://www.deezer.com/track/1094042')
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							        self.assertEqual(results[0]['content'], 'Artist Name • Album Title • Title of track')
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							        self.assertTrue('100' in results[0]['embedded'])
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							        json = """
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							        {"data":[
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							            {"id":200,"name":"Artist Name",
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							            "link":"https:\/\/www.deezer.com\/artist\/1217","type":"artist"}
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							        ]}
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							        """
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							        response = mock.Mock(text=json)
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							        results = deezer.response(response)
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							        self.assertEqual(type(results), list)
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							        self.assertEqual(len(results), 0)
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