mirror of
https://github.com/searxng/searxng.git
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44a06190bb
- for tests which perform the same arrange/act/assert pattern but with different data, the data portion has been moved to the ``paramaterized.expand`` fields - for monolithic tests which performed multiple arrange/act/asserts, they have been broken up into different unit tests. - when possible, change generic assert statements to more concise asserts (i.e. ``assertIsNone``) This work ultimately is focused on creating smaller and more concise tests. While paramaterized may make adding new configurations for existing tests easier, that is just a beneficial side effect. The main benefit is that smaller tests are easier to reason about, meaning they are easier to debug when they start failing. This improves the developer experience in debugging what went wrong when refactoring the project. Total number of tests went from 192 -> 259; or, broke apart larger tests into 69 more concise ones.
237 lines
9.3 KiB
Python
237 lines
9.3 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
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# pylint: disable=missing-module-docstring, invalid-name
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import lxml.etree
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from lxml import html
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from parameterized.parameterized import parameterized
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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): # pylint: disable=missing-class-docstring
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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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self.assertEqual(utils.html_to_text(r"regexp: (?<![a-zA-Z]"), "regexp: (?<![a-zA-Z]")
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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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def test_extract_text_allow_none(self):
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self.assertEqual(utils.extract_text(None, allow_none=True), None)
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def test_extract_text_error_none(self):
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with self.assertRaises(ValueError):
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utils.extract_text(None)
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def test_extract_text_error_empty(self):
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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_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'), 'text using %xx: ó')
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self.assertEqual(utils.ecma_unescape('text using %u: %u5409, %u4E16%u754c'), 'text using %u: 吉, 世界')
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class TestHTMLTextExtractor(SearxTestCase): # pylint: disable=missing-class-docstring
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def setUp(self):
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self.html_text_extractor = utils._HTMLTextExtractor() # pylint: disable=protected-access
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def test__init__(self):
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self.assertEqual(self.html_text_extractor.result, [])
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@parameterized.expand(
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[
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('xF', '\x0f'),
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('XF', '\x0f'),
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('97', 'a'),
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]
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)
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def test_handle_charref(self, charref: str, expected: str):
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self.html_text_extractor.handle_charref(charref)
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self.assertIn(expected, 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): # pylint: disable=protected-access
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self.html_text_extractor.feed(text)
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class TestXPathUtils(SearxTestCase): # pylint: disable=missing-class-docstring
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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.assertIsNone(utils.eval_xpath_getindex(doc, '//i/text()', 1, default=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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def test_detect_language(self):
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# make sure new line are not an issue
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# fasttext.predict('') does not accept new line.
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l = utils.detect_language('The quick brown fox jumps over\nthe lazy dog')
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self.assertEqual(l, 'en')
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l = utils.detect_language(
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'いろはにほへと ちりぬるを わかよたれそ つねならむ うゐのおくやま けふこえて あさきゆめみし ゑひもせす'
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)
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self.assertEqual(l, 'ja')
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l = utils.detect_language('Pijamalı hasta yağız şoföre çabucak güvendi.')
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self.assertEqual(l, 'tr')
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l = utils.detect_language('')
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self.assertIsNone(l)
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# mix languages --> None
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l = utils.detect_language('The いろはにほへと Pijamalı')
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self.assertIsNone(l)
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with self.assertRaises(ValueError):
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utils.detect_language(None)
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