Function test_isinstance

pydantic-core/tests/test_validation_context.py:65–89

(py_and_json: PyAndJson)

def test_isinstance(py_and_json: PyAndJson):
    def f(input_value, validator, info):
        if 'error' in info.context:
            raise ValueError('wrong')
        return validator(input_value)

    v = py_and_json(core_schema.with_info_wrap_validator_function(f, core_schema.str_schema()))

    assert v.validate_python('foobar', None, {}) == 'foobar'

    with pytest.raises(TypeError):
        v.validate_test('foobar')

    with pytest.raises(TypeError):
        v.isinstance_test('foobar')

    with pytest.raises(ValidationError, match=r'Value error, wrong \[type=value_error,'):
        v.validate_test('foobar', None, {'error'})

    assert v.isinstance_test('foobar', None, {}) is True

    with pytest.raises(TypeError):
        v.isinstance_test('foobar')

    assert v.isinstance_test('foobar', None, {'error'}) is False


def test_validate_assignment_with_context():