tests.test_compatibility_impl

Complexity

Total Complexity

4

Size/Duplication

Total Lines	38
Duplicated Lines	0 %

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	TestCompatibilityImpl.test_get_args_and_return_type()	0	6	1
A	TestCompatibilityImpl.test_get_args_and_return_type_no_return_type()	0	6	1
A	TestCompatibilityImpl.test_get_args_and_return_type_no_args()	0	6	1
A	TestCompatibilityImpl.test_get_args_and_return_type_no_hints()	0	8	1

from typing import Callable
from unittest import TestCase
from jacked._compatibility_impl import get_args_and_return_type
from jacked._typing import NoneType


class TestCompatibilityImpl(TestCase):

    def test_get_args_and_return_type(self):
        arg_types, return_type = get_args_and_return_type(
            Callable[[int, str], float])

        self.assertEqual((int, str), arg_types)
        self.assertEqual(float, return_type)

    def test_get_args_and_return_type_no_args(self):
        arg_types, return_type = get_args_and_return_type(
            Callable[[], float])

        self.assertEqual(tuple(), arg_types)
        self.assertEqual(float, return_type)

    def test_get_args_and_return_type_no_return_type(self):
        arg_types, return_type = get_args_and_return_type(
            Callable[[int, str], None])

        self.assertEqual((int, str), arg_types)
        self.assertEqual(NoneType, return_type)

    def test_get_args_and_return_type_no_hints(self):
        arg_types1, return_type1 = get_args_and_return_type(Callable)
        arg_types2, return_type2 = get_args_and_return_type(callable)

        self.assertEqual(None, arg_types1)
        self.assertEqual(None, return_type1)
        self.assertEqual(None, arg_types2)
        self.assertEqual(None, return_type2)