test_runtime.py 文件源码

def setup_runtime(self):
        stub_stdouts(self)
        remember_cwd(self)
        cwd = mkdtemp(self)
        os.chdir(cwd)
        make_dummy_dist(self, (
            ('requirements.json', json.dumps({
                'name': 'calmpy.pip',
                'require': {
                    'setuptools': '25.1.6',
                },
            })),
        ), 'calmpy.pip', '2.0')

        make_dummy_dist(self, (
            ('requires.txt', '[dev]\ncalmpy.pip'),
        ), 'site', '1.0')

        working_set = pkg_resources.WorkingSet([self._calmjs_testing_tmpdir])

        # Stub out the underlying data needed for the cli for the tests
        # to test against our custom data for reproducibility.
        stub_item_attr_value(self, dist, 'default_working_set', working_set)
        stub_check_interactive(self, True)
        driver = cli.PackageManagerDriver(
            pkg_manager_bin='mgr', pkgdef_filename='requirements.json',
            dep_keys=('require',),
        )
        return cwd, runtime.PackageManagerRuntime(driver)

    # do note: the runtime is not registered to the root runtime
    # directly, but this is a good enough emulation on how this would
    # behave under real circumstances, as each of these runtime can and
    # should be able to operate as independent entities.