test_package.py 文件源码

def test__external_upgradeable_versions(self):
        class Patch(Package):
            versions_condaforge = {Version('1.0'), Version('1.2')}  # missing 2.0
        self.pkg_a.__class__ = Patch

        self.assertSetEqual({Version('2.0')}, set(self.pkg_a._external_upgradeable_versions))

        # TODO: test other cases, including dev versions