test_settings.py 文件源码

def test_setting():
    s = settings.Setting(TEST_SETTING)
    assert s.get() is None

    with patch.dict(environ, {TEST_SETTING: 'hello'}):
        assert s.get() is None
        s.clear()
        assert s.get() == 'hello'

    s = settings.Setting(TEST_SETTING, default='nope')
    assert s.get() is 'nope'

    with patch.dict(environ, {TEST_SETTING: 'hello'}):
        assert s.get() == 'nope'
        s.clear()
        assert s.get() == 'hello'