def test_validation(self):
# No exceptions should be thrown
compat_args = OrderedDict()
compat_args["foo"] = 1
compat_args["bar"] = None
compat_args["baz"] = -2
kwargs = {"baz": -2}
args = (1, None)
min_fname_arg_count = 2
validate_args_and_kwargs(self.fname, args, kwargs, min_fname_arg_count, compat_args)
def test_validation(self):
# No exceptions should be thrown
compat_args = OrderedDict()
compat_args['foo'] = 1
compat_args['bar'] = None
compat_args['baz'] = -2
kwargs = {'baz': -2}
args = (1, None)
min_fname_arg_count = 2
validate_args_and_kwargs(self.fname, args, kwargs, min_fname_arg_count,
compat_args)
def test_duplicate_argument(self):
min_fname_arg_count = 2
compat_args = OrderedDict()
compat_args["foo"] = None
compat_args["bar"] = None
compat_args["baz"] = None
kwargs = {"foo": None, "bar": None}
args = (None,) # duplicate value for 'foo'
msg = r"{fname}\(\) got multiple values for keyword " r"argument '{arg}'".format(fname=self.fname, arg="foo")
with tm.assertRaisesRegexp(TypeError, msg):
validate_args_and_kwargs(self.fname, args, kwargs, min_fname_arg_count, compat_args)
def test_invalid_total_length_max_length_multiple(self):
compat_args = ("foo", "bar", "baz")
kwargs = {"foo": "FOO", "bar": "BAR"}
args = ("FoO", "BaZ")
min_fname_arg_count = 2
max_length = len(compat_args) + min_fname_arg_count
actual_length = len(kwargs) + len(args) + min_fname_arg_count
msg = r"{fname}\(\) takes at most {max_length} " r"arguments \({actual_length} given\)".format(
fname=self.fname, max_length=max_length, actual_length=actual_length
)
with tm.assertRaisesRegexp(TypeError, msg):
validate_args_and_kwargs(self.fname, args, kwargs, min_fname_arg_count, compat_args)
def test_duplicate_argument(self):
min_fname_arg_count = 2
compat_args = OrderedDict()
compat_args['foo'] = None
compat_args['bar'] = None
compat_args['baz'] = None
kwargs = {'foo': None, 'bar': None}
args = (None, ) # duplicate value for 'foo'
msg = (r"{fname}\(\) got multiple values for keyword "
r"argument '{arg}'".format(fname=self.fname, arg='foo'))
with tm.assertRaisesRegexp(TypeError, msg):
validate_args_and_kwargs(self.fname, args, kwargs,
min_fname_arg_count, compat_args)
def test_invalid_total_length_max_length_multiple(self):
compat_args = ('foo', 'bar', 'baz')
kwargs = {'foo': 'FOO', 'bar': 'BAR'}
args = ('FoO', 'BaZ')
min_fname_arg_count = 2
max_length = len(compat_args) + min_fname_arg_count
actual_length = len(kwargs) + len(args) + min_fname_arg_count
msg = (r"{fname}\(\) takes at most {max_length} "
r"arguments \({actual_length} given\)".format(
fname=self.fname,
max_length=max_length,
actual_length=actual_length))
with tm.assertRaisesRegexp(TypeError, msg):
validate_args_and_kwargs(self.fname, args, kwargs,
min_fname_arg_count, compat_args)
def test_invalid_total_length_max_length_multiple(self):
compat_args = ('foo', 'bar', 'baz')
kwargs = {'foo': 'FOO', 'bar': 'BAR'}
args = ('FoO', 'BaZ')
min_fname_arg_count = 2
max_length = len(compat_args) + min_fname_arg_count
actual_length = len(kwargs) + len(args) + min_fname_arg_count
msg = (r"{fname}\(\) takes at most {max_length} "
r"arguments \({actual_length} given\)"
.format(fname=self.fname, max_length=max_length,
actual_length=actual_length))
with tm.assertRaisesRegexp(TypeError, msg):
validate_args_and_kwargs(self.fname, args, kwargs,
min_fname_arg_count,
compat_args)
def __call__(self, args, kwargs, fname=None,
max_fname_arg_count=None, method=None):
fname = self.fname if fname is None else fname
max_fname_arg_count = (self.max_fname_arg_count if
max_fname_arg_count is None
else max_fname_arg_count)
method = self.method if method is None else method
if method == 'args':
validate_args(fname, args, max_fname_arg_count, self.defaults)
elif method == 'kwargs':
validate_kwargs(fname, kwargs, self.defaults)
elif method == 'both':
validate_args_and_kwargs(fname, args, kwargs,
max_fname_arg_count,
self.defaults)
else:
raise ValueError("invalid validation method "
"'{method}'".format(method=method))
