def test_format_arguments_case_repr_func_raises_error():
"""
Test `format_arguments`.
"""
# Create function
def func(a):
pass
# Positional arguments
args = [1]
# Keyword arguments
kwargs = {}
# Create repr function that raises exception
def repr_func(value):
raise ValueError()
# Format function arguments
text = format_arguments(
func=func,
args=args,
kwargs=kwargs,
repr_func=repr_func,
)
# Check result text
assert text == 'a=<?>'
def test_format_arguments_case_pos_kwd_dft_varkwd_args():
"""
Test `format_arguments`.
"""
# Create function
def func(a, b, c=3, *args, **kwargs):
pass
# Positional arguments
args = [1]
# Keyword arguments
kwargs = dict(b=2, x=100, y=200, z=300)
# Format function arguments
text = format_arguments(
func=func,
args=args,
kwargs=kwargs,
repr_func=repr,
)
# Check result text
assert text == 'a=1, b=2, c=3, *args=[], **kwargs={x=100, y=200, z=300}'
def test_format_arguments_case_miss_args():
"""
Test `format_arguments`.
"""
# Create function
def func(a, b):
pass
# Positional arguments
args = [1]
# Keyword arguments
kwargs = {}
# Format function arguments
text = format_arguments(
func=func,
args=args,
kwargs=kwargs,
repr_func=repr,
)
# Check result text
assert text == 'a=1'
def test_format_arguments_case_varkwd_args():
"""
Test `format_arguments`.
"""
# Create function
def func(a, **kwargs):
pass
# Positional arguments
args = [1]
# Keyword arguments
kwargs = dict(
b=2,
c=3,
)
# Format function arguments
text = format_arguments(
func=func,
args=args,
kwargs=kwargs,
repr_func=repr,
)
# Check result text
assert text == 'a=1, **kwargs={b=2, c=3}'
def test_format_arguments_case_filter_func():
"""
Test `format_arguments`.
"""
# Create class
class CustomClass(object):
# Create function with the first parameter name being `self`
def func(self, a):
pass
# Positional arguments
args = [0, 1]
# Keyword arguments
kwargs = {}
# Format function arguments
text = format_arguments(
func=CustomClass.func,
args=args,
kwargs=kwargs,
repr_func=repr,
)
# Check result text
assert text == 'self=0, a=1'
# Create inspect info filter function that removes `self` argument info
def filter_func(info):
"""
Inspect info filter function that removes `self` argument info.
:param info: InspectInfo instance.
:return: None.
"""
# Get fixed argument infos dict
fixed_arg_infos = info[InspectInfo.K_FIXED_ARG_INFOS]
# If fixed argument infos dict is not empty
if fixed_arg_infos:
# Get the first fixed argument name
first_arg_name = next(iter(fixed_arg_infos))
# If the first fixed argument name is `self`
if first_arg_name == 'self':
# Remove `self` argument info
del fixed_arg_infos['self']
# Format function arguments
text = format_arguments(
func=CustomClass.func,
args=args,
kwargs=kwargs,
repr_func=repr,
filter_func=filter_func,
)
# Check result text
assert text == 'a=1'