kombu/t/unit/utils/test_imports.py

35 lines
967 B
Python

from __future__ import annotations
from unittest.mock import Mock
import pytest
from kombu import Exchange
from kombu.utils.imports import symbol_by_name
class test_symbol_by_name:
def test_instance_returns_instance(self):
instance = object()
assert symbol_by_name(instance) is instance
def test_returns_default(self):
default = object()
assert symbol_by_name(
'xyz.ryx.qedoa.weq:foz', default=default) is default
def test_no_default(self):
with pytest.raises(ImportError):
symbol_by_name('xyz.ryx.qedoa.weq:foz')
def test_imp_reraises_ValueError(self):
imp = Mock()
imp.side_effect = ValueError()
with pytest.raises(ValueError):
symbol_by_name('kombu.Connection', imp=imp)
def test_package(self):
assert symbol_by_name('.entity:Exchange', package='kombu') is Exchange
assert symbol_by_name(':Consumer', package='kombu')