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"""
Selector tests for cssselect backend
"""
import warnings
from twisted.trial import unittest
from scrapy.selector.csstranslator import (
ScrapyHTMLTranslator,
ScrapyGenericTranslator,
ScrapyXPathExpr
)
class DeprecatedClassesTest(unittest.TestCase):
def test_deprecated_warnings(self):
for cls in [ScrapyHTMLTranslator, ScrapyGenericTranslator, ScrapyXPathExpr]:
with warnings.catch_warnings(record=True) as w:
obj = cls()
self.assertIn('%s is deprecated' % cls.__name__, str(w[-1].message),
'Missing deprecate warning for %s' % cls.__name__)
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