237 lines
7.3 KiB
Go
237 lines
7.3 KiB
Go
package redisstore
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import (
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"context"
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"encoding/json"
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"fmt"
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"sync"
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"testing"
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"time"
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"telesrv/internal/store"
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)
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func TestRedisCodeStoreRevisionCAS(t *testing.T) {
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codes, client, hash := newRedisLoginCodeHarness(t)
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ctx := context.Background()
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record := store.PhoneCode{
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Version: store.PhoneCodeVersionCurrent,
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Phone: "15550016301",
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Code: "111111",
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Channel: "email_setup",
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PendingEmail: "first@example.test",
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MaxAttempts: 5,
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}
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key := hash("email-fixed")
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if err := codes.Set(ctx, key, record, 45*time.Second); err != nil {
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t.Fatal(err)
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}
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snapshot, found, err := codes.GetSnapshot(ctx, key)
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if err != nil || !found || snapshot.Revision == "" || snapshot.Record.Revision != snapshot.Revision {
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t.Fatalf("snapshot=%+v found=%v err=%v", snapshot, found, err)
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}
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before, err := client.PTTL(ctx, codeKey(key)).Result()
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if err != nil {
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t.Fatal(err)
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}
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next := snapshot.Record
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next.Code = "222222"
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next.Attempts = 1
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if applied, err := codes.CompareAndUpdate(ctx, key, "stale-token", next); err != nil || applied {
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t.Fatalf("wrong-token update applied=%v err=%v", applied, err)
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}
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if applied, err := codes.CompareAndUpdate(ctx, key, snapshot.Revision, next); err != nil || !applied {
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t.Fatalf("current update applied=%v err=%v", applied, err)
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}
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updated, found, err := codes.GetSnapshot(ctx, key)
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if err != nil || !found || updated.Record.Code != next.Code || updated.Record.Attempts != 1 || updated.Revision == snapshot.Revision {
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t.Fatalf("updated=%+v found=%v err=%v", updated, found, err)
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}
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after, err := client.PTTL(ctx, codeKey(key)).Result()
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if err != nil || after <= 0 || after > before || before-after > 2*time.Second {
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t.Fatalf("CAS TTL before=%v after=%v err=%v", before, after, err)
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}
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if applied, err := codes.CompareAndDelete(ctx, key, snapshot.Revision); err != nil || applied {
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t.Fatalf("stale delete applied=%v err=%v", applied, err)
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}
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if applied, err := codes.CompareAndDelete(ctx, key, updated.Revision); err != nil || !applied {
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t.Fatalf("current delete applied=%v err=%v", applied, err)
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}
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assertRedisCodeMissing(t, ctx, codes, key)
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}
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func TestRedisCodeStoreRevisionCASFailClosedAndScopeIsolation(t *testing.T) {
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codes, client, hash := newRedisLoginCodeHarness(t)
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ctx := context.Background()
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legacyHash := hash("legacy")
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legacy := store.PhoneCode{
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Version: 0,
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Revision: "legacy-revision",
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Phone: "15550016302",
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Code: "12345",
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}
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raw, err := json.Marshal(legacy)
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if err != nil {
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t.Fatal(err)
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}
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if err := client.Set(ctx, codeKey(legacyHash), raw, time.Minute).Err(); err != nil {
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t.Fatal(err)
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}
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if _, found, err := codes.GetSnapshot(ctx, legacyHash); err != nil || found {
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t.Fatalf("legacy snapshot found=%v err=%v", found, err)
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}
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assertRedisCodeMissing(t, ctx, codes, legacyHash)
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noRevisionHash := hash("no-revision")
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legacy.Version = store.PhoneCodeVersionCurrent
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legacy.Revision = ""
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raw, err = json.Marshal(legacy)
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if err != nil {
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t.Fatal(err)
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}
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if err := client.Set(ctx, codeKey(noRevisionHash), raw, time.Minute).Err(); err != nil {
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t.Fatal(err)
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}
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if _, found, err := codes.GetSnapshot(ctx, noRevisionHash); err != nil || found {
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t.Fatalf("revisionless snapshot found=%v err=%v", found, err)
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}
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assertRedisCodeMissing(t, ctx, codes, noRevisionHash)
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scopedHash := hash("scoped")
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scoped := store.PhoneCode{
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Version: store.PhoneCodeVersionCurrent,
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Phone: "15550016303",
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Code: "12345",
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Purpose: store.PhoneCodePurposeChangePhone,
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UserID: 42,
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AuthKeyID: [8]byte{1},
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}
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if err := codes.Set(ctx, scopedHash, scoped, time.Minute); err != nil {
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t.Fatal(err)
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}
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snapshot, found, err := codes.GetSnapshot(ctx, scopedHash)
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if err != nil || !found {
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t.Fatalf("scoped snapshot found=%v err=%v", found, err)
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}
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if applied, err := codes.CompareAndUpdate(ctx, scopedHash, snapshot.Revision, snapshot.Record); err != nil || applied {
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t.Fatalf("scoped update applied=%v err=%v", applied, err)
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}
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if applied, err := codes.CompareAndDelete(ctx, scopedHash, snapshot.Revision); err != nil || applied {
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t.Fatalf("scoped delete applied=%v err=%v", applied, err)
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}
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if _, found, _ := codes.Get(ctx, scopedHash); !found {
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t.Fatal("generic CAS mutated scoped record")
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}
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}
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func TestRedisCodeStoreRevisionCASPreventsABAAndHasSingleWinner(t *testing.T) {
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codes, _, hash := newRedisLoginCodeHarness(t)
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ctx := context.Background()
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record := store.PhoneCode{
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Version: store.PhoneCodeVersionCurrent,
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Phone: "15550016304",
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Code: "123456",
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Channel: "email_change",
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}
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key := hash("aba")
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if err := codes.Set(ctx, key, record, time.Minute); err != nil {
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t.Fatal(err)
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}
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old, found, err := codes.GetSnapshot(ctx, key)
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if err != nil || !found {
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t.Fatalf("old snapshot found=%v err=%v", found, err)
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}
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if err := codes.Set(ctx, key, record, time.Minute); err != nil {
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t.Fatal(err)
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}
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current, found, err := codes.GetSnapshot(ctx, key)
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if err != nil || !found || current.Revision == old.Revision {
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t.Fatalf("replacement current=%+v old=%+v found=%v err=%v", current, old, found, err)
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}
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if applied, err := codes.CompareAndDelete(ctx, key, old.Revision); err != nil || applied {
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t.Fatalf("ABA stale delete applied=%v err=%v", applied, err)
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}
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const workers = 48
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results := make(chan bool, workers)
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errs := make(chan error, workers)
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var wg sync.WaitGroup
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for i := 0; i < workers; i++ {
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wg.Add(1)
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go func(index int) {
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defer wg.Done()
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next := current.Record
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next.Code = fmt.Sprintf("%06d", index)
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applied, err := codes.CompareAndUpdate(ctx, key, current.Revision, next)
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if err != nil {
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errs <- err
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return
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}
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results <- applied
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}(i)
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}
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wg.Wait()
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close(results)
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close(errs)
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for err := range errs {
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t.Fatalf("concurrent CAS update: %v", err)
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}
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if winners := countRedisTrue(results); winners != 1 {
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t.Fatalf("concurrent update winners=%d, want 1", winners)
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}
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winner, found, err := codes.GetSnapshot(ctx, key)
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if err != nil || !found || winner.Revision == current.Revision {
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t.Fatalf("winner=%+v found=%v err=%v", winner, found, err)
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}
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results = make(chan bool, workers)
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errs = make(chan error, workers)
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for i := 0; i < workers; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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applied, err := codes.CompareAndDelete(ctx, key, winner.Revision)
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if err != nil {
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errs <- err
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return
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}
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results <- applied
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}()
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}
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wg.Wait()
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close(results)
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close(errs)
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for err := range errs {
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t.Fatalf("concurrent CAS delete: %v", err)
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}
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if winners := countRedisTrue(results); winners != 1 {
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t.Fatalf("concurrent delete winners=%d, want 1", winners)
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}
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}
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func TestRedisCodeStoreLegacyUpdateCannotResurrectConsumedKey(t *testing.T) {
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codes, _, hash := newRedisLoginCodeHarness(t)
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ctx := context.Background()
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record := store.PhoneCode{
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Version: store.PhoneCodeVersionCurrent,
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Phone: "15550016305",
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Code: "12345",
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Channel: store.PhoneCodeChannelPhone,
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}
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key := hash("no-resurrection")
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if err := codes.Set(ctx, key, record, time.Minute); err != nil {
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t.Fatal(err)
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}
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stale, found, err := codes.Get(ctx, key)
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if err != nil || !found {
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t.Fatalf("load stale record found=%v err=%v", found, err)
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}
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if _, found, err := codes.TakeLoginCode(ctx, key, record.Phone); err != nil || !found {
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t.Fatalf("consume before stale update found=%v err=%v", found, err)
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}
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stale.Attempts++
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if err := codes.Update(ctx, key, stale); err != nil {
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t.Fatalf("stale legacy Update: %v", err)
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}
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assertRedisCodeMissing(t, ctx, codes, key)
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}
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