func USTestHostSummary(s store.UpdateStore, t *testing.T) {
v := version.Version{App: "app1", Ver: "ver", Host: "a"}
v.Prepare()
s.Update(v)
if _, ok := s.Host("non-existant"); ok {
t.Error("got ok for non-existant Host")
}
if as, ok := s.Host("a"); ok {
if as.AppCount != 1 {
t.Error("expected AppCount: 1, actual: ", as.AppCount)
}
} else {
t.Error("missing expected Host")
}
v2 := version.Version{App: "app2", Ver: "ver", Host: "a"}
v2.Prepare()
s.Update(v2)
if as, ok := s.Host("a"); ok {
if as.AppCount != 2 {
t.Error("expected AppCount: 2, actual: ", as.AppCount)
}
}
}
func trimWorker(t int64, store store.UpdateStore) {
if t < 1 {
return
}
window := time.Duration(t) * time.Second
ticker := time.NewTicker(60 * time.Second)
for {
<-ticker.C
if removed, err := store.Trim(time.Now().Add(-window)); removed > 0 {
if err == nil {
l.Printf("TRIM: ERROR: %v", err)
} else {
l.Printf("TRIM: removed %v old updates", removed)
}
}
}
}
// processUpdates receives Versions, updates stats and passes to an UpdateStore.
func processUpdates(updates <-chan version.Version, store store.UpdateStore) {
stats := OpStats{}
ticker := time.NewTicker(updateInterval)
go func() {
for {
select {
case <-ticker.C:
l.Printf("STAT: %v updates in last %v", stats.updates, updateInterval)
stats.updates = 0
case v := <-updates:
stats.updates++
store.Update(v)
if *verbose {
log.Print("UPDATE: ", v)
}
}
}
}()
}
// 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")
}
}
func USTestTrim(s store.UpdateStore, t *testing.T) {
// setup one version in the future and a few more
v1a := version.Version{App: "app1", Ver: "ver", Host: "a"}
v1a.Prepare()
v1a.ExactUpdate = v1a.ExactUpdate.Add(time.Duration(10 * time.Second))
s.Update(v1a)
v1b := version.Version{App: "app1", Ver: "ver", Host: "b"}
v1b.Prepare()
s.Update(v1b)
v2 := version.Version{App: "app2", Ver: "ver", Host: "a"}
v2.Prepare()
s.Update(v2)
// sanity check
if vs, err := s.Versions("", "", ""); len(vs) != 3 {
if err != nil {
t.Fatal(err)
}
t.Fatal("before: version count - expected: 2, actual: ", len(vs))
}
if l, err := s.Hosts(); len(l) != 2 {
if err != nil {
t.Fatal(err)
}
t.Fatal("before: host count - expected: 2, actual: ", len(l))
}
if l, err := s.Apps(); len(l) != 2 {
if err != nil {
t.Fatal(err)
}
t.Fatal("before: app count - expected: 2, actual: ", len(l))
}
// trim every version before 1 second in the future of one version
count, err := s.Trim(v2.ExactUpdate.Add(time.Duration(1 * time.Second)))
if err != nil {
t.Fatal(err)
}
if count != 2 {
t.Fatal("after: trim should have removed 2 versions")
}
if vs, err := s.Versions("", "", ""); len(vs) != 1 {
if err != nil {
t.Fatal(err)
}
t.Fatal("after: version count - expected: 1, actual: ", len(vs))
}
if l, err := s.Hosts(); len(l) != 1 {
if err != nil {
t.Fatal(err)
}
t.Fatal("after: host count - expected: 1, actual: ", len(l))
}
if l, err := s.Apps(); len(l) != 1 {
if err != nil {
t.Fatal(err)
}
t.Fatal("after: app count - expected: 1, actual: ", len(l))
}
// trim every version
count, err = s.Trim(v2.ExactUpdate.Add(time.Duration(20 * time.Second)))
if err != nil {
t.Fatal(err)
}
if count != 1 {
t.Fatal("after all: trim should have removed the last one version")
}
if vs, err := s.Versions("", "", ""); len(vs) != 0 {
if err != nil {
t.Fatal(err)
}
t.Fatal("after all: version count - expected: 0, actual: ", len(vs))
}
if l, err := s.Hosts(); len(l) != 0 {
if err != nil {
t.Fatal(err)
}
t.Fatal(l)
t.Fatal("after all: host count - expected: 0, actual: ", len(l))
}
if l, err := s.Apps(); len(l) != 0 {
if err != nil {
t.Fatal(err)
}
t.Fatal(l)
t.Fatal("after all: app count - expected: 0, actual: ", len(l))
}
}