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							from collections import defaultdict
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							import mock
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							from searx.engines import google_images
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							from searx.testing import SearxTestCase
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							class TestGoogleImagesEngine(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'] = 1
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							        dicto['safesearch'] = 1
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							        dicto['time_range'] = ''
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							        params = google_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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							        dicto['safesearch'] = 0
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							        params = google_images.request(query, dicto)
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							        self.assertNotIn('safe', params['url'])
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							    def test_response(self):
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							        self.assertRaises(AttributeError, google_images.response, None)
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							        self.assertRaises(AttributeError, google_images.response, [])
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							        self.assertRaises(AttributeError, google_images.response, '')
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							        self.assertRaises(AttributeError, google_images.response, '[]')
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