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https://github.com/searxng/searxng.git
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66b7be0965
pybabel separates locales with underscores but we use hyphens everywhere babel doesn't directly touch
238 lines
10 KiB
Python
238 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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import lxml.etree
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from lxml import html
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from searx.exceptions import SearxXPathSyntaxException, SearxEngineXPathException
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from searx import utils
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from tests import SearxTestCase
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class TestUtils(SearxTestCase):
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def test_gen_useragent(self):
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self.assertIsInstance(utils.gen_useragent(), str)
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self.assertIsNotNone(utils.gen_useragent())
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self.assertTrue(utils.gen_useragent().startswith('Mozilla'))
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def test_searx_useragent(self):
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self.assertIsInstance(utils.searx_useragent(), str)
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self.assertIsNotNone(utils.searx_useragent())
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self.assertTrue(utils.searx_useragent().startswith('searx'))
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def test_html_to_text(self):
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html_str = """
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<a href="/testlink" class="link_access_account">
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<style>
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.toto {
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color: red;
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}
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</style>
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<span class="toto">
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<span>
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<img src="test.jpg" />
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</span>
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</span>
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<span class="titi">
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Test text
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</span>
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<script>value='dummy';</script>
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</a>
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"""
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self.assertIsInstance(utils.html_to_text(html_str), str)
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self.assertIsNotNone(utils.html_to_text(html_str))
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self.assertEqual(utils.html_to_text(html_str), "Test text")
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def test_extract_text(self):
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html_str = """
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<a href="/testlink" class="link_access_account">
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<span class="toto">
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<span>
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<img src="test.jpg" />
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</span>
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</span>
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<span class="titi">
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Test text
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</span>
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</a>
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"""
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dom = html.fromstring(html_str)
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self.assertEqual(utils.extract_text(dom), 'Test text')
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self.assertEqual(utils.extract_text(dom.xpath('//span')), 'Test text')
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self.assertEqual(utils.extract_text(dom.xpath('//span/text()')), 'Test text')
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self.assertEqual(utils.extract_text(dom.xpath('count(//span)')), '3.0')
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self.assertEqual(utils.extract_text(dom.xpath('boolean(//span)')), 'True')
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self.assertEqual(utils.extract_text(dom.xpath('//img/@src')), 'test.jpg')
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self.assertEqual(utils.extract_text(dom.xpath('//unexistingtag')), '')
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self.assertEqual(utils.extract_text(None, allow_none=True), None)
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with self.assertRaises(ValueError):
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utils.extract_text(None)
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with self.assertRaises(ValueError):
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utils.extract_text({})
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def test_extract_url(self):
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def f(html_str, search_url):
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return utils.extract_url(html.fromstring(html_str), search_url)
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self.assertEqual(f('<span id="42">https://example.com</span>', 'http://example.com/'), 'https://example.com/')
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self.assertEqual(f('https://example.com', 'http://example.com/'), 'https://example.com/')
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self.assertEqual(f('//example.com', 'http://example.com/'), 'http://example.com/')
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self.assertEqual(f('//example.com', 'https://example.com/'), 'https://example.com/')
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self.assertEqual(f('/path?a=1', 'https://example.com'), 'https://example.com/path?a=1')
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with self.assertRaises(lxml.etree.ParserError):
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f('', 'https://example.com')
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with self.assertRaises(Exception):
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utils.extract_url([], 'https://example.com')
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def test_html_to_text_invalid(self):
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html = '<p><b>Lorem ipsum</i>dolor sit amet</p>'
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self.assertEqual(utils.html_to_text(html), "Lorem ipsum")
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def test_match_language(self):
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self.assertEqual(utils.match_language('es', ['es']), 'es')
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self.assertEqual(utils.match_language('es', [], fallback='fallback'), 'fallback')
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self.assertEqual(utils.match_language('ja', ['jp'], {'ja': 'jp'}), 'jp')
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# handle script tags
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self.assertEqual(utils.match_language('zh-CN', ['zh-Hans-CN', 'zh-Hant-TW']), 'zh-Hans-CN')
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self.assertEqual(utils.match_language('zh-TW', ['zh-Hans-CN', 'zh-Hant-TW']), 'zh-Hant-TW')
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self.assertEqual(utils.match_language('zh-Hans-CN', ['zh-CN', 'zh-TW']), 'zh-CN')
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self.assertEqual(utils.match_language('zh-Hant-TW', ['zh-CN', 'zh-TW']), 'zh-TW')
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self.assertEqual(utils.match_language('zh-Hans', ['zh-CN', 'zh-TW', 'zh-HK']), 'zh-CN')
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self.assertEqual(utils.match_language('zh-Hant', ['zh-CN', 'zh-TW', 'zh-HK']), 'zh-TW')
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aliases = {'en-GB': 'en-UK', 'he': 'iw'}
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# guess country
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self.assertEqual(utils.match_language('de-DE', ['de']), 'de')
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self.assertEqual(utils.match_language('de', ['de-DE']), 'de-DE')
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self.assertEqual(utils.match_language('es-CO', ['es-AR', 'es-ES', 'es-MX']), 'es-ES')
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self.assertEqual(utils.match_language('es-CO', ['es-MX']), 'es-MX')
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self.assertEqual(utils.match_language('en-UK', ['en-AU', 'en-GB', 'en-US']), 'en-GB')
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self.assertEqual(utils.match_language('en-GB', ['en-AU', 'en-UK', 'en-US'], aliases), 'en-UK')
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# language aliases
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self.assertEqual(utils.match_language('iw', ['he']), 'he')
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self.assertEqual(utils.match_language('he', ['iw'], aliases), 'iw')
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self.assertEqual(utils.match_language('iw-IL', ['he']), 'he')
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self.assertEqual(utils.match_language('he-IL', ['iw'], aliases), 'iw')
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self.assertEqual(utils.match_language('iw', ['he-IL']), 'he-IL')
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self.assertEqual(utils.match_language('he', ['iw-IL'], aliases), 'iw-IL')
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self.assertEqual(utils.match_language('iw-IL', ['he-IL']), 'he-IL')
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self.assertEqual(utils.match_language('he-IL', ['iw-IL'], aliases), 'iw-IL')
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def test_ecma_unscape(self):
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self.assertEqual(utils.ecma_unescape('text%20with%20space'), 'text with space')
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self.assertEqual(utils.ecma_unescape('text using %xx: %F3'),
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'text using %xx: ó')
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self.assertEqual(utils.ecma_unescape('text using %u: %u5409, %u4E16%u754c'),
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'text using %u: 吉, 世界')
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class TestHTMLTextExtractor(SearxTestCase):
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def setUp(self):
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self.html_text_extractor = utils.HTMLTextExtractor()
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def test__init__(self):
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self.assertEqual(self.html_text_extractor.result, [])
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def test_handle_charref(self):
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self.html_text_extractor.handle_charref('xF')
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self.assertIn('\x0f', self.html_text_extractor.result)
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self.html_text_extractor.handle_charref('XF')
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self.assertIn('\x0f', self.html_text_extractor.result)
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self.html_text_extractor.handle_charref('97')
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self.assertIn('a', self.html_text_extractor.result)
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def test_handle_entityref(self):
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entity = 'test'
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self.html_text_extractor.handle_entityref(entity)
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self.assertIn(entity, self.html_text_extractor.result)
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def test_invalid_html(self):
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text = '<p><b>Lorem ipsum</i>dolor sit amet</p>'
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with self.assertRaises(utils.HTMLTextExtractorException):
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self.html_text_extractor.feed(text)
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class TestXPathUtils(SearxTestCase):
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TEST_DOC = """<ul>
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<li>Text in <b>bold</b> and <i>italic</i> </li>
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<li>Another <b>text</b> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs="></li>
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</ul>"""
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def test_get_xpath_cache(self):
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xp1 = utils.get_xpath('//a')
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xp2 = utils.get_xpath('//div')
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xp3 = utils.get_xpath('//a')
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self.assertEqual(id(xp1), id(xp3))
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self.assertNotEqual(id(xp1), id(xp2))
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def test_get_xpath_type(self):
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utils.get_xpath(lxml.etree.XPath('//a'))
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with self.assertRaises(TypeError):
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utils.get_xpath([])
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def test_get_xpath_invalid(self):
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invalid_xpath = '//a[0].text'
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with self.assertRaises(SearxXPathSyntaxException) as context:
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utils.get_xpath(invalid_xpath)
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self.assertEqual(context.exception.message, 'Invalid expression')
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self.assertEqual(context.exception.xpath_str, invalid_xpath)
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def test_eval_xpath_unregistered_function(self):
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doc = html.fromstring(TestXPathUtils.TEST_DOC)
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invalid_function_xpath = 'int(//a)'
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with self.assertRaises(SearxEngineXPathException) as context:
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utils.eval_xpath(doc, invalid_function_xpath)
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self.assertEqual(context.exception.message, 'Unregistered function')
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self.assertEqual(context.exception.xpath_str, invalid_function_xpath)
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def test_eval_xpath(self):
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doc = html.fromstring(TestXPathUtils.TEST_DOC)
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self.assertEqual(utils.eval_xpath(doc, '//p'), [])
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self.assertEqual(utils.eval_xpath(doc, '//i/text()'), ['italic'])
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self.assertEqual(utils.eval_xpath(doc, 'count(//i)'), 1.0)
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def test_eval_xpath_list(self):
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doc = html.fromstring(TestXPathUtils.TEST_DOC)
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# check a not empty list
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self.assertEqual(utils.eval_xpath_list(doc, '//i/text()'), ['italic'])
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# check min_len parameter
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with self.assertRaises(SearxEngineXPathException) as context:
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utils.eval_xpath_list(doc, '//p', min_len=1)
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self.assertEqual(context.exception.message, 'len(xpath_str) < 1')
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self.assertEqual(context.exception.xpath_str, '//p')
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def test_eval_xpath_getindex(self):
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doc = html.fromstring(TestXPathUtils.TEST_DOC)
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# check index 0
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self.assertEqual(utils.eval_xpath_getindex(doc, '//i/text()', 0), 'italic')
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# default is 'something'
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self.assertEqual(utils.eval_xpath_getindex(doc, '//i/text()', 1, default='something'), 'something')
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# default is None
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self.assertEqual(utils.eval_xpath_getindex(doc, '//i/text()', 1, default=None), None)
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# index not found
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with self.assertRaises(SearxEngineXPathException) as context:
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utils.eval_xpath_getindex(doc, '//i/text()', 1)
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self.assertEqual(context.exception.message, 'index 1 not found')
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# not a list
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with self.assertRaises(SearxEngineXPathException) as context:
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utils.eval_xpath_getindex(doc, 'count(//i)', 1)
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self.assertEqual(context.exception.message, 'the result is not a list')
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