// test Clear() & Update() interactions
func USTestClearUpdate(s store.UpdateStore, t *testing.T) {
if vs, err := s.Versions("", "", ""); len(vs) > 0 {
if err != nil {
t.Fatal(err)
}
t.Error("Versions should be empty, len was: ", len(vs))
}
v := *new(version.Version)
v.Prepare()
s.Update(v)
if vs, err := s.Versions("", "", ""); len(vs) != 1 {
if err != nil {
t.Fatal(err)
}
t.Error(v.ExactUpdate, v.LastUpdate)
t.Error("Versions should have one entry, len was: ", len(vs))
}
if err := s.Clear(); err != nil {
t.Fatal(err)
}
if vs, err := s.Versions("", "", ""); len(vs) > 0 {
if err != nil {
t.Fatal(err)
}
t.Error("Versions should be empty, len was: ", len(vs))
}
s.Update(v)
if vs, err := s.Versions("", "", ""); len(vs) > 0 {
if err != nil {
t.Fatal(err)
}
t.Error("updates older than threshold should be discarded")
}
}
