func (s *UpgradeSuite) checkUpgradeInfoArchived(
c *gc.C,
initialInfo *state.UpgradeInfo,
expectedStatus state.UpgradeStatus,
expectedControllers int,
) {
info := s.getOneUpgradeInfo(c)
c.Assert(info.Status(), gc.Equals, expectedStatus)
c.Assert(info.PreviousVersion(), gc.Equals, initialInfo.PreviousVersion())
c.Assert(info.TargetVersion(), gc.Equals, initialInfo.TargetVersion())
// Truncate because mongo only stores times down to millisecond resolution.
c.Assert(info.Started().Equal(initialInfo.Started().Truncate(time.Millisecond)), jc.IsTrue)
c.Assert(len(info.ControllersDone()), gc.Equals, expectedControllers)
if expectedControllers > 0 {
c.Assert(info.ControllersDone(), jc.SameContents, info.ControllersReady())
}
}
