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_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([])