func waitForUnitStarted(stateConn *state.State, unit *state.Unit, c *gc.C) { timeout := time.After(5 * time.Second) for { select { case <-timeout: c.Fatalf("no activity detected") case <-time.After(coretesting.ShortWait): err := unit.Refresh() c.Assert(err, gc.IsNil) st, info, data, err := unit.Status() c.Assert(err, gc.IsNil) switch st { case params.StatusPending, params.StatusInstalled: c.Logf("waiting...") continue case params.StatusStarted: c.Logf("started!") return case params.StatusDown: stateConn.StartSync() c.Logf("unit is still down") default: c.Fatalf("unexpected status %s %s %v", st, info, data) } } } }