def test_parse_rule_validates_code_examples(kwargs):
"""
Ensure parse_rule raises an exception if code examples are syntactically
invalid.
"""
with pytest.raises(InvalidNode):
parse_rule(rule_name='',
rule_values=dict(description='',
expr=XPath("//Num"),
**kwargs))
def test_parse_rule_requires_settings():
"""Ensure parse_rule raises an exception if settings are not provided."""
with pytest.raises(InvalidNode):
parse_rule(rule_name='',
rule_values=dict(
description='',
expr=XPath("//Num"),
example="a = 1",
instead="a = int('1')",
))
def test_parse_rule():
"""Ensure parse_rule returns expected output."""
expr = XPath("//Num")
assert parse_rule(
rule_name='',
rule_values=dict(
description='',
expr=expr,
example="a = 1",
instead="a = int('1')",
settings=Settings(included=[], excluded=[], allow_ignore=True),
)
) == Rule(
name='',
description='',
expr=expr,
example="a = 1",
instead="a = int('1')",
settings=Settings(included=[], excluded=[], allow_ignore=True)
)