Files

95 lines
3.5 KiB
Go

package zset
import (
"context"
"errors"
"testing"
"time"
)
func TestIMEIProducerLeaseRejectsStaleWrites(t *testing.T) {
for _, invalid := range []string{"missing", "expired", "other_owner", "other_run", "legacy", "invalid_json"} {
t.Run(invalid, func(t *testing.T) {
store := newLockStore(t)
ctx := context.Background()
const key = "imei:producer:active"
view, err := store.WithIMEIProducerLease(key, "owner", "run")
if err != nil {
t.Fatal(err)
}
if err := store.CreateRun(ctx, RunMeta{RunID: "run"}); err != nil {
t.Fatal(err)
}
switch invalid {
case "expired":
if _, err := store.redis.Do(ctx, "SET", key, `{"owner":"owner","runId":"run"}`, "PX", 1); err != nil {
t.Fatal(err)
}
time.Sleep(10 * time.Millisecond)
case "other_owner":
_, err = store.redis.Do(ctx, "SET", key, `{"owner":"new-owner","runId":"run"}`)
case "other_run":
_, err = store.redis.Do(ctx, "SET", key, `{"owner":"owner","runId":"other-run"}`)
case "legacy":
_, err = store.redis.Do(ctx, "SET", key, "owner")
case "invalid_json":
_, err = store.redis.Do(ctx, "SET", key, "{")
}
if err != nil {
t.Fatal(err)
}
_, err = view.EnqueueRunBatch(ctx, "run", "ch", []Task{{TaskID: "old", RunID: "run", ChanKey: "ch"}}, time.Now())
if !errors.Is(err, ErrProducerLeaseLost) {
t.Fatalf("enqueue did not report lease loss: %v", err)
}
if err := view.MarkProducerDone(ctx, "run"); !errors.Is(err, ErrProducerLeaseLost) {
t.Fatalf("done did not report lease loss: %v", err)
}
if err := view.CreateRun(ctx, RunMeta{RunID: "run", ScopeDigest: "stale"}); !errors.Is(err, ErrProducerLeaseLost) {
t.Fatalf("metadata write did not report lease loss: %v", err)
}
meta, err := store.GetRunMeta(ctx, "run")
if err != nil || meta.ActiveCount != 0 || meta.ProducerDone || meta.ScopeDigest != "" {
t.Fatalf("stale state mutation: %+v, %v", meta, err)
}
channels, err := store.RunChannels(ctx, "run")
if err != nil || len(channels) != 0 {
t.Fatalf("stale channel mutation: %v, %v", channels, err)
}
// The private view never changes the consumer/other-producer store.
if added, err := store.EnqueueRunBatch(ctx, "run", "ch", []Task{{TaskID: "next", RunID: "run", ChanKey: "ch"}}, time.Now()); err != nil || added != 1 {
t.Fatalf("shared queue semantics changed: %d, %v", added, err)
}
})
}
}
func TestIMEIProducerLeasePreservesValidOwnerSemantics(t *testing.T) {
store := newLockStore(t)
ctx := context.Background()
const key = "imei:producer:active"
if ok, err := store.AcquireLockOrTakeover(ctx, key, "owner", "run", time.Minute); err != nil || !ok {
t.Fatalf("acquire: %v, %v", ok, err)
}
view, err := store.WithIMEIProducerLease(key, "owner", "run")
if err != nil {
t.Fatal(err)
}
if err := view.CreateRun(ctx, RunMeta{RunID: "run", ScopeDigest: "scope"}); err != nil {
t.Fatal(err)
}
tasks := []Task{{TaskID: "one", RunID: "run", ChanKey: "ch"}, {TaskID: "two", RunID: "run", ChanKey: "ch"}}
for _, want := range []int{2, 0} {
if added, err := view.EnqueueRunBatch(ctx, "run", "ch", tasks, time.Now()); err != nil || added != want {
t.Fatalf("idempotent batch pairs: %d, %v; want %d", added, err, want)
}
}
if err := view.MarkProducerDone(ctx, "run"); err != nil {
t.Fatal(err)
}
meta, err := store.GetRunMeta(ctx, "run")
if err != nil || meta.ActiveCount != 2 || !meta.ProducerDone || meta.ScopeDigest != "scope" {
t.Fatalf("valid owner state: %+v, %v", meta, err)
}
}