django/tests/utils_tests/test_inspect.py

79 lines
3.2 KiB
Python

import unittest
from django.utils import inspect
class Person:
def no_arguments(self):
return None
def one_argument(self, something):
return something
def just_args(self, *args):
return args
def all_kinds(self, name, address='home', age=25, *args, **kwargs):
return kwargs
@classmethod
def cls_all_kinds(cls, name, address='home', age=25, *args, **kwargs):
return kwargs
class TestInspectMethods(unittest.TestCase):
def test_get_func_full_args_no_arguments(self):
self.assertEqual(inspect.get_func_full_args(Person.no_arguments), [])
self.assertEqual(inspect.get_func_full_args(Person().no_arguments), [])
def test_get_func_full_args_one_argument(self):
self.assertEqual(inspect.get_func_full_args(Person.one_argument), [('something',)])
self.assertEqual(
inspect.get_func_full_args(Person().one_argument),
[('something',)],
)
def test_get_func_full_args_all_arguments_method(self):
arguments = [('name',), ('address', 'home'), ('age', 25), ('*args',), ('**kwargs',)]
self.assertEqual(inspect.get_func_full_args(Person.all_kinds), arguments)
self.assertEqual(inspect.get_func_full_args(Person().all_kinds), arguments)
def test_get_func_full_args_all_arguments_classmethod(self):
arguments = [
('name',), ('address', 'home'), ('age', 25), ('*args',), ('**kwargs',),
]
self.assertEqual(inspect.get_func_full_args(Person.cls_all_kinds), arguments)
self.assertEqual(inspect.get_func_full_args(Person().cls_all_kinds), arguments)
def test_func_accepts_var_args_has_var_args(self):
self.assertIs(inspect.func_accepts_var_args(Person.just_args), True)
self.assertIs(inspect.func_accepts_var_args(Person().just_args), True)
def test_func_accepts_var_args_no_var_args(self):
self.assertIs(inspect.func_accepts_var_args(Person.one_argument), False)
self.assertIs(inspect.func_accepts_var_args(Person().one_argument), False)
def test_method_has_no_args(self):
self.assertIs(inspect.method_has_no_args(Person.no_arguments), True)
self.assertIs(inspect.method_has_no_args(Person().no_arguments), True)
self.assertIs(inspect.method_has_no_args(Person.one_argument), False)
self.assertIs(inspect.method_has_no_args(Person().one_argument), False)
def test_func_supports_parameter(self):
self.assertIs(inspect.func_supports_parameter(Person.all_kinds, 'address'), True)
self.assertIs(
inspect.func_supports_parameter(Person().all_kinds, 'address'),
True,
)
self.assertIs(inspect.func_supports_parameter(Person.all_kinds, 'zone'), False)
self.assertIs(
inspect.func_supports_parameter(Person().all_kinds, 'zone'),
False,
)
def test_func_accepts_kwargs(self):
self.assertIs(inspect.func_accepts_kwargs(Person.just_args), False)
self.assertIs(inspect.func_accepts_kwargs(Person().just_args), False)
self.assertIs(inspect.func_accepts_kwargs(Person.all_kinds), True)
self.assertIs(inspect.func_accepts_kwargs(Person().just_args), False)