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jcloud-docsgen/tests/unit/utils/test_assert_that_is_instance.py
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29 lines
1.1 KiB
Python

from src.jcloud_docsgen.utils import assert_that_is_instance
import pytest
import types
class TestType: ...
TestType.__name__ = 'NOT TestType'
@pytest.mark.parametrize('obj,class_or_tuple', [
(1, int),
(1, (int,)),
(1, str | int),
(1, int | str | list),
(TestType(), TestType),
(None, types.NoneType),
])
def test_assert_that_is_instance(obj, class_or_tuple):
assert_that_is_instance(obj, class_or_tuple)
@pytest.mark.parametrize('obj,class_or_tuple,expected_exception_msg', [
(1, str, 'expected \'str\', got \'int\''),
(1, (str,), 'expected \'str\', got \'int\''),
(1, str | float, 'expected either \'str\' or \'float\', got \'int\''),
(1, str | float | list, 'expected either \'str\', \'float\' or \'list\', got \'int\''),
(1, TestType, 'expected \'NOT TestType\', got \'int\''),
])
def test_assert_that_is_instance_exceptions(obj, class_or_tuple, expected_exception_msg):
with pytest.raises(TypeError) as exc_info:
assert_that_is_instance(obj, class_or_tuple)
assert str(exc_info.value) == expected_exception_msg