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Improve error message when config fails type check

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The old message printed wrapped brackets around the type name, which would make you think it required an array.
This commit is contained in:
Paul Melnikow 2018-10-02 14:20:21 -04:00
parent c206c02a57
commit e792279791
2 changed files with 31 additions and 5 deletions
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15
sphinx/config.py
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@ -395,8 +395,8 @@ def convert_source_suffix(app, config):
# if dict, convert it to OrderedDict
config.source_suffix = OrderedDict(config.source_suffix) # type: ignore
else:
logger.warning(__("The config value `source_suffix' expected to "
"a string, list of strings or dictionary. "
logger.warning(__("The config value `source_suffix' expects "
"a string, list of strings, or dictionary. "
"But `%r' is given." % source_suffix))
@ -463,11 +463,16 @@ def check_confval_types(app, config):
continue # at least we share a non-trivial base class
if annotations:
msg = __("The config value `{name}' has type `{current.__name__}', "
"expected to {permitted}.")
msg = __("The config value `{name}' has type `{current.__name__}'; "
"expected {permitted}.")
wrapped_annotations = ["`{}'".format(c.__name__) for c in annotations]
if len(wrapped_annotations) > 2:
permitted = ", ".join(wrapped_annotations[:-1]) + ", or " + wrapped_annotations[-1]
else:
permitted = " or ".join(wrapped_annotations)
logger.warning(msg.format(name=confval.name,
current=type(confval.value),
permitted=str([c.__name__ for c in annotations])))
permitted=permitted))
else:
msg = __("The config value `{name}' has type `{current.__name__}', "
"defaults to `{default.__name__}'.")

21
tests/test_config.py
View File

@ -247,6 +247,27 @@ def test_check_types(logger, name, default, annotation, actual, warned):
assert logger.warning.called == warned
TYPECHECK_WARNING_MESSAGES = [
('value1', 'string', [str], ['foo', 'bar'],
"The config value `value1' has type `list'; expected `str'."),
('value1', 'string', [str, int], ['foo', 'bar'],
"The config value `value1' has type `list'; expected `str' or `int'."),
('value1', 'string', [str, int, tuple], ['foo', 'bar'],
"The config value `value1' has type `list'; expected `str', `int', or `tuple'."),
]
@mock.patch("sphinx.config.logger")
@pytest.mark.parametrize("name,default,annotation,actual,message", TYPECHECK_WARNING_MESSAGES)
def test_conf_warning_message(logger, name, default, annotation, actual, message):
config = Config({name: actual})
config.add(name, default, False, annotation or ())
config.init_values()
check_confval_types(None, config)
logger.warning.assert_called()
assert logger.warning.call_args[0][0] == message
@mock.patch("sphinx.config.logger")
def test_check_enum(logger):
config = Config()