def test_invalid_xpath_expr_by_build(expr):
extractor = XPathExtractor(expr)
assert not extractor.built
with pytest.raises(ExprError) as catch:
extractor.build()
assert not extractor.built
exc = catch.value
assert exc.extractor is extractor
assert isinstance(exc.exc, XPathError)
assert re.match(r"ExprError with .+? raised by .+? extracting", str(exc))
def test_invalid_xpath_expr_by_XPathEvalError_from_extract(element, expr):
extractor = XPathExtractor(expr)
assert not extractor.built
extractor.build()
assert extractor.built
with pytest.raises(ExprError) as catch:
extractor.extract(element)
exc = catch.value
assert exc.extractor is extractor
from lxml.etree import XPathEvalError
assert isinstance(exc.exc, XPathEvalError)
assert re.match(r"ExprError with .+? raised by .+? extracting", str(exc))