mirror of https://github.com/searxng/searxng.git
224 lines
8.7 KiB
Python
224 lines
8.7 KiB
Python
# -*- coding: utf-8 -*-
|
||
import lxml.etree
|
||
from lxml import html
|
||
|
||
from searx.exceptions import SearxXPathSyntaxException, SearxEngineXPathException
|
||
from searx import utils
|
||
|
||
from tests import SearxTestCase
|
||
|
||
|
||
class TestUtils(SearxTestCase):
|
||
def test_gen_useragent(self):
|
||
self.assertIsInstance(utils.gen_useragent(), str)
|
||
self.assertIsNotNone(utils.gen_useragent())
|
||
self.assertTrue(utils.gen_useragent().startswith('Mozilla'))
|
||
|
||
def test_searx_useragent(self):
|
||
self.assertIsInstance(utils.searx_useragent(), str)
|
||
self.assertIsNotNone(utils.searx_useragent())
|
||
self.assertTrue(utils.searx_useragent().startswith('searx'))
|
||
|
||
def test_html_to_text(self):
|
||
html_str = """
|
||
<a href="/testlink" class="link_access_account">
|
||
<style>
|
||
.toto {
|
||
color: red;
|
||
}
|
||
</style>
|
||
<span class="toto">
|
||
<span>
|
||
<img src="test.jpg" />
|
||
</span>
|
||
</span>
|
||
<span class="titi">
|
||
Test text
|
||
</span>
|
||
<script>value='dummy';</script>
|
||
</a>
|
||
"""
|
||
self.assertIsInstance(utils.html_to_text(html_str), str)
|
||
self.assertIsNotNone(utils.html_to_text(html_str))
|
||
self.assertEqual(utils.html_to_text(html_str), "Test text")
|
||
|
||
def test_extract_text(self):
|
||
html_str = """
|
||
<a href="/testlink" class="link_access_account">
|
||
<span class="toto">
|
||
<span>
|
||
<img src="test.jpg" />
|
||
</span>
|
||
</span>
|
||
<span class="titi">
|
||
Test text
|
||
</span>
|
||
</a>
|
||
"""
|
||
dom = html.fromstring(html_str)
|
||
self.assertEqual(utils.extract_text(dom), 'Test text')
|
||
self.assertEqual(utils.extract_text(dom.xpath('//span')), 'Test text')
|
||
self.assertEqual(utils.extract_text(dom.xpath('//span/text()')), 'Test text')
|
||
self.assertEqual(utils.extract_text(dom.xpath('count(//span)')), '3.0')
|
||
self.assertEqual(utils.extract_text(dom.xpath('boolean(//span)')), 'True')
|
||
self.assertEqual(utils.extract_text(dom.xpath('//img/@src')), 'test.jpg')
|
||
self.assertEqual(utils.extract_text(dom.xpath('//unexistingtag')), '')
|
||
self.assertEqual(utils.extract_text(None, allow_none=True), None)
|
||
with self.assertRaises(ValueError):
|
||
utils.extract_text(None)
|
||
with self.assertRaises(ValueError):
|
||
utils.extract_text({})
|
||
|
||
def test_extract_url(self):
|
||
def f(html_str, search_url):
|
||
return utils.extract_url(html.fromstring(html_str), search_url)
|
||
|
||
self.assertEqual(f('<span id="42">https://example.com</span>', 'http://example.com/'), 'https://example.com/')
|
||
self.assertEqual(f('https://example.com', 'http://example.com/'), 'https://example.com/')
|
||
self.assertEqual(f('//example.com', 'http://example.com/'), 'http://example.com/')
|
||
self.assertEqual(f('//example.com', 'https://example.com/'), 'https://example.com/')
|
||
self.assertEqual(f('/path?a=1', 'https://example.com'), 'https://example.com/path?a=1')
|
||
with self.assertRaises(lxml.etree.ParserError):
|
||
f('', 'https://example.com')
|
||
with self.assertRaises(Exception):
|
||
utils.extract_url([], 'https://example.com')
|
||
|
||
def test_html_to_text_invalid(self):
|
||
html = '<p><b>Lorem ipsum</i>dolor sit amet</p>'
|
||
self.assertEqual(utils.html_to_text(html), "Lorem ipsum")
|
||
|
||
def test_ecma_unscape(self):
|
||
self.assertEqual(utils.ecma_unescape('text%20with%20space'), 'text with space')
|
||
self.assertEqual(utils.ecma_unescape('text using %xx: %F3'), 'text using %xx: ó')
|
||
self.assertEqual(utils.ecma_unescape('text using %u: %u5409, %u4E16%u754c'), 'text using %u: 吉, 世界')
|
||
|
||
|
||
class TestHTMLTextExtractor(SearxTestCase):
|
||
def setUp(self):
|
||
self.html_text_extractor = utils._HTMLTextExtractor()
|
||
|
||
def test__init__(self):
|
||
self.assertEqual(self.html_text_extractor.result, [])
|
||
|
||
def test_handle_charref(self):
|
||
self.html_text_extractor.handle_charref('xF')
|
||
self.assertIn('\x0f', self.html_text_extractor.result)
|
||
self.html_text_extractor.handle_charref('XF')
|
||
self.assertIn('\x0f', self.html_text_extractor.result)
|
||
|
||
self.html_text_extractor.handle_charref('97')
|
||
self.assertIn('a', self.html_text_extractor.result)
|
||
|
||
def test_handle_entityref(self):
|
||
entity = 'test'
|
||
self.html_text_extractor.handle_entityref(entity)
|
||
self.assertIn(entity, self.html_text_extractor.result)
|
||
|
||
def test_invalid_html(self):
|
||
text = '<p><b>Lorem ipsum</i>dolor sit amet</p>'
|
||
with self.assertRaises(utils._HTMLTextExtractorException):
|
||
self.html_text_extractor.feed(text)
|
||
|
||
|
||
class TestXPathUtils(SearxTestCase):
|
||
|
||
TEST_DOC = """<ul>
|
||
<li>Text in <b>bold</b> and <i>italic</i> </li>
|
||
<li>Another <b>text</b> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs="></li>
|
||
</ul>"""
|
||
|
||
def test_get_xpath_cache(self):
|
||
xp1 = utils.get_xpath('//a')
|
||
xp2 = utils.get_xpath('//div')
|
||
xp3 = utils.get_xpath('//a')
|
||
|
||
self.assertEqual(id(xp1), id(xp3))
|
||
self.assertNotEqual(id(xp1), id(xp2))
|
||
|
||
def test_get_xpath_type(self):
|
||
utils.get_xpath(lxml.etree.XPath('//a'))
|
||
|
||
with self.assertRaises(TypeError):
|
||
utils.get_xpath([])
|
||
|
||
def test_get_xpath_invalid(self):
|
||
invalid_xpath = '//a[0].text'
|
||
with self.assertRaises(SearxXPathSyntaxException) as context:
|
||
utils.get_xpath(invalid_xpath)
|
||
|
||
self.assertEqual(context.exception.message, 'Invalid expression')
|
||
self.assertEqual(context.exception.xpath_str, invalid_xpath)
|
||
|
||
def test_eval_xpath_unregistered_function(self):
|
||
doc = html.fromstring(TestXPathUtils.TEST_DOC)
|
||
|
||
invalid_function_xpath = 'int(//a)'
|
||
with self.assertRaises(SearxEngineXPathException) as context:
|
||
utils.eval_xpath(doc, invalid_function_xpath)
|
||
|
||
self.assertEqual(context.exception.message, 'Unregistered function')
|
||
self.assertEqual(context.exception.xpath_str, invalid_function_xpath)
|
||
|
||
def test_eval_xpath(self):
|
||
doc = html.fromstring(TestXPathUtils.TEST_DOC)
|
||
|
||
self.assertEqual(utils.eval_xpath(doc, '//p'), [])
|
||
self.assertEqual(utils.eval_xpath(doc, '//i/text()'), ['italic'])
|
||
self.assertEqual(utils.eval_xpath(doc, 'count(//i)'), 1.0)
|
||
|
||
def test_eval_xpath_list(self):
|
||
doc = html.fromstring(TestXPathUtils.TEST_DOC)
|
||
|
||
# check a not empty list
|
||
self.assertEqual(utils.eval_xpath_list(doc, '//i/text()'), ['italic'])
|
||
|
||
# check min_len parameter
|
||
with self.assertRaises(SearxEngineXPathException) as context:
|
||
utils.eval_xpath_list(doc, '//p', min_len=1)
|
||
self.assertEqual(context.exception.message, 'len(xpath_str) < 1')
|
||
self.assertEqual(context.exception.xpath_str, '//p')
|
||
|
||
def test_eval_xpath_getindex(self):
|
||
doc = html.fromstring(TestXPathUtils.TEST_DOC)
|
||
|
||
# check index 0
|
||
self.assertEqual(utils.eval_xpath_getindex(doc, '//i/text()', 0), 'italic')
|
||
|
||
# default is 'something'
|
||
self.assertEqual(utils.eval_xpath_getindex(doc, '//i/text()', 1, default='something'), 'something')
|
||
|
||
# default is None
|
||
self.assertEqual(utils.eval_xpath_getindex(doc, '//i/text()', 1, default=None), None)
|
||
|
||
# index not found
|
||
with self.assertRaises(SearxEngineXPathException) as context:
|
||
utils.eval_xpath_getindex(doc, '//i/text()', 1)
|
||
self.assertEqual(context.exception.message, 'index 1 not found')
|
||
|
||
# not a list
|
||
with self.assertRaises(SearxEngineXPathException) as context:
|
||
utils.eval_xpath_getindex(doc, 'count(//i)', 1)
|
||
self.assertEqual(context.exception.message, 'the result is not a list')
|
||
|
||
def test_detect_language(self):
|
||
# make sure new line are not an issue
|
||
# fasttext.predict('') does not accept new line.
|
||
l = utils.detect_language('The quick brown fox jumps over\nthe lazy dog')
|
||
self.assertEqual(l, 'en')
|
||
|
||
l = utils.detect_language('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')
|
||
self.assertEqual(l, 'ja')
|
||
|
||
l = utils.detect_language('Pijamalı hasta yağız şoföre çabucak güvendi.')
|
||
self.assertEqual(l, 'tr')
|
||
|
||
l = utils.detect_language('')
|
||
self.assertIsNone(l)
|
||
|
||
# mix languages --> None
|
||
l = utils.detect_language('The いろはにほへと Pijamalı')
|
||
self.assertIsNone(l)
|
||
|
||
with self.assertRaises(ValueError):
|
||
utils.detect_language(None)
|