1def type_check(in_or_out):
2 def allowed_types(*types):
3 def check_this(func):
4 def decorator(*args, **kwargs):
5 arg_list = list(args) + list(kwargs)
6 if in_or_out == 'in':
7 for value in arg_list:
8 if not isinstance(value, types):
9 types_to_print = ', '.join(str(type) for type in types)
10 print(f"Invalid input arguments, expected {types_to_print}!")
11 break
12 elif in_or_out == 'out':
13 for value in arg_list:
14 if not isinstance(value, types):
15 types_to_print = ', '.join(str(type) for type in types)
16 print(f"Invalid output value, expected {types_to_print}!")
17 break
18 return func(*args, **kwargs)
19 return decorator
20 return check_this
21 return allowed_types
FF.F
======================================================================
FAIL: test_check_both (test.TestTypeCheck.test_check_both)
The decorator should report invalid "in" and "out" together.
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/lib/python3.12/unittest/mock.py", line 1390, in patched
return func(*newargs, **newkeywargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/tmp/test.py", line 98, in test_check_both
mock_print.assert_has_calls(
File "/usr/lib/python3.12/unittest/mock.py", line 981, in assert_has_calls
raise AssertionError(
AssertionError: Calls not found.
Expected: [call("Invalid input arguments, expected <class 'float'>!"),
call("Invalid output value, expected <class 'int'>!")]
Actual: [call("Invalid output value, expected <class 'int'>!"),
call("Invalid input arguments, expected <class 'float'>!")]
======================================================================
FAIL: test_check_decorated_exception (test.TestTypeCheck.test_check_decorated_exception)
The decorator should not supress any exceptions raised.
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/lib/python3.12/unittest/mock.py", line 1390, in patched
return func(*newargs, **newkeywargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/tmp/test.py", line 112, in test_check_decorated_exception
self.assert_in_permutations(mock_print.mock_calls[0], types, self.BASE_STRING_IN)
File "/tmp/test.py", line 35, in assert_in_permutations
self.assertIn(call, call_permutations)
AssertionError: call("Invalid output value, expected <class 'list'>, <class 'tuple'>!") not found in [call("Invalid input arguments, expected <class 'list'>, <class 'tuple'>!"), call("Invalid input arguments, expected <class 'tuple'>, <class 'list'>!")]
======================================================================
FAIL: test_check_out (test.TestTypeCheck.test_check_out)
The decorator should report an invalid "out" value.
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/lib/python3.12/unittest/mock.py", line 1390, in patched
return func(*newargs, **newkeywargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/tmp/test.py", line 72, in test_check_out
mock_print.assert_has_calls([call(self.BASE_STRING_OUT.format("my type"))])
File "/usr/lib/python3.12/unittest/mock.py", line 981, in assert_has_calls
raise AssertionError(
AssertionError: Calls not found.
Expected: [call('Invalid output value, expected my type!')]
----------------------------------------------------------------------
Ran 4 tests in 0.003s
FAILED (failures=3)