test_reporter.py 文件源码

def test_run_apt_update(self, warning_mock):
        """
        The L{PackageReporter.run_apt_update} method should run apt-update.
        """
        self.reporter.sources_list_filename = "/I/Dont/Exist"
        self.reporter.sources_list_directory = "/I/Dont/Exist"
        self._make_fake_apt_update()
        debug_patcher = mock.patch.object(reporter.logging, "debug")
        debug_mock = debug_patcher.start()
        self.addCleanup(debug_patcher.stop)

        deferred = Deferred()

        def do_test():
            result = self.reporter.run_apt_update()

            def callback(args):
                out, err, code = args
                self.assertEqual("output", out)
                self.assertEqual("error", err)
                self.assertEqual(0, code)
                self.assertFalse(warning_mock.called)
                debug_mock.assert_has_calls([
                    mock.call(
                        "Checking if ubuntu-release-upgrader is running."),
                    mock.call(
                        "'%s' exited with status 0 (out='output', err='error')"
                        % self.reporter.apt_update_filename)
                ])
            result.addCallback(callback)
            self.reactor.advance(0)
            result.chainDeferred(deferred)

        reactor.callWhenRunning(do_test)
        return deferred