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							from collections import defaultdict
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							import mock
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							from searx.engines import blekko_images
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							from searx.testing import SearxTestCase
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							class TestBlekkoImagesEngine(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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							        dicto['safesearch'] = 1
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							        params = blekko_images.request(query, dicto)
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							        self.assertIn('url', params)
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							        self.assertIn(query, params['url'])
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							        self.assertIn('blekko.com', params['url'])
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							        self.assertIn('page', params['url'])
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							        dicto['pageno'] = 1
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							        params = blekko_images.request(query, dicto)
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							        self.assertNotIn('page', params['url'])
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							    def test_response(self):
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							        self.assertRaises(AttributeError, blekko_images.response, None)
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							        self.assertRaises(AttributeError, blekko_images.response, [])
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							        self.assertRaises(AttributeError, blekko_images.response, '')
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							        self.assertRaises(AttributeError, blekko_images.response, '[]')
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							        response = mock.Mock(text='[]')
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							        self.assertEqual(blekko_images.response(response), [])
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							        json = """
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							        [
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							            {
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							                "c": 1,
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							                "page_url": "http://result_url.html",
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							                "title": "Photo title",
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							                "tn_url": "http://ts1.mm.bing.net/th?id=HN.608050619474382748&pid=15.1",
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							                "url": "http://result_image.jpg"
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							            },
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							            {
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							                "c": 2,
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							                "page_url": "http://companyorange.simpsite.nl/OSM",
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							                "title": "OSM",
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							                "tn_url": "http://ts2.mm.bing.net/th?id=HN.608048068264919461&pid=15.1",
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							                "url": "http://simpsite.nl/userdata2/58985/Home/OSM.bmp"
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							            },
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							            {
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							                "c": 3,
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							                "page_url": "http://invincible.webklik.nl/page/osm",
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							                "title": "OSM",
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							                "tn_url": "http://ts1.mm.bing.net/th?id=HN.608024514657649476&pid=15.1",
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							                "url": "http://www.webklik.nl/user_files/2009_09/65324/osm.gif"
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							            },
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							            {
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							                "c": 4,
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							                "page_url": "http://www.offshorenorway.no/event/companyDetail/id/12492",
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							                "title": "Go to OSM Offshore AS homepage",
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							                "tn_url": "http://ts2.mm.bing.net/th?id=HN.608054265899847285&pid=15.1",
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							                "url": "http://www.offshorenorway.no/firmalogo/OSM-logo.png"
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							            }
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							        ]
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							        """
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							        response = mock.Mock(text=json)
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							        results = blekko_images.response(response)
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							        self.assertEqual(type(results), list)
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							        self.assertEqual(len(results), 4)
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							        self.assertEqual(results[0]['title'], 'Photo title')
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							        self.assertEqual(results[0]['url'], 'http://result_url.html')
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							        self.assertEqual(results[0]['img_src'], 'http://result_image.jpg')
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