def test_invalid_xpath_expr(element, expr):
extractor = XPathExtractor(expr)
with pytest.raises(ExprError) as catch:
extractor.extract(element)
exc = catch.value
assert exc.extractor is extractor
assert isinstance(exc.exc, XPathEvalError)
def test_invalid_xpath_expr_by_extract(element, expr):
extractor = XPathExtractor(expr)
assert not extractor.built
with pytest.raises(ExprError) as catch:
extractor.extract(element)
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)
with pytest.raises(ExprError) as catch:
extractor.extract(element)
exc = catch.value
assert exc.extractor is extractor
# Third Party Library
from lxml.etree import XPathEvalError
assert isinstance(exc.exc, XPathEvalError)
assert re.match(r"ExprError with .+? raised by .+? extracting", str(exc))
def test_xpath_result_not_list(element):
extractor = XPathExtractor("normalize-space(//span)")
assert extractor.extract(element) == "a"
with pytest.warns(UserWarning):
extractor.extract_first(element) == "a"
def test_xpath_result_not_list(element):
extractor = XPathExtractor("normalize-space(//span)")
assert extractor.extract(element) == ["a"]
assert extractor.extract_first(element) == "a"