/
events_test.go
208 lines (177 loc) · 6.23 KB
/
events_test.go
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// Licensed under the Apache License, Version 2.0
// Details: https://raw.githubusercontent.com/square/quotaservice/master/LICENSE
package quotaservice
import (
"context"
"os"
"testing"
"time"
"github.com/square/quotaservice/config"
"github.com/square/quotaservice/events"
"github.com/square/quotaservice/test/helpers"
)
var s Server
var qs QuotaService
var eventsChan <-chan events.Event
var mbf *MockBucketFactory
func TestMain(m *testing.M) {
setUp()
r := m.Run()
os.Exit(r)
}
func setUp() {
cfg := config.NewDefaultServiceConfig()
cfg.GlobalDefaultBucket = config.NewDefaultBucketConfig(config.DefaultBucketName)
// Namespace "dyn"
ns := config.NewDefaultNamespaceConfig("dyn")
tpl := config.NewDefaultBucketConfig("")
tpl.MaxTokensPerRequest = 5
tpl.MaxIdleMillis = -1
config.SetDynamicBucketTemplate(ns, tpl)
ns.MaxDynamicBuckets = 2
helpers.PanicError(config.AddNamespace(cfg, ns))
// Namespace "dyn_gc"
ns = config.NewDefaultNamespaceConfig("dyn_gc")
tpl = config.NewDefaultBucketConfig("")
tpl.MaxTokensPerRequest = 5
tpl.MaxIdleMillis = 100
config.SetDynamicBucketTemplate(ns, tpl)
ns.MaxDynamicBuckets = 3
helpers.PanicError(config.AddNamespace(cfg, ns))
// Namespace "nodyn"
ns = config.NewDefaultNamespaceConfig("nodyn")
b := config.NewDefaultBucketConfig("b")
b.MaxTokensPerRequest = 10
helpers.PanicError(config.AddBucket(ns, b))
helpers.PanicError(config.AddNamespace(cfg, ns))
mbf = &MockBucketFactory{}
me := &MockEndpoint{}
p := config.NewMemoryConfig(cfg)
s = New(mbf, p, NewReaperConfigForTests(), 0, me)
ecLocal := make(chan events.Event, 100)
s.SetListener(func(e events.Event) {
ecLocal <- e
}, 100)
if _, e := s.Start(); e != nil {
helpers.PanicError(e)
}
qs = me.QuotaService
// EVENTS_BUCKET_CREATED event
eventsChan = ecLocal
<-ecLocal
}
func TestTokens(t *testing.T) {
if _, _, e := qs.Allow(context.Background(), "nodyn", "b", 1, 0, false); e != nil {
t.Fatalf("Not expecting error %+v", e)
}
checkEvent("nodyn", "b", false, events.EVENT_TOKENS_SERVED, 1, 0, <-eventsChan, t)
}
func TestTooManyTokens(t *testing.T) {
if _, _, e := qs.Allow(context.Background(), "nodyn", "b", 100, 0, false); e == nil {
t.Fatal("Expecting error \"Too many tokens requested.\"")
}
checkEvent("nodyn", "b", false, events.EVENT_TOO_MANY_TOKENS_REQUESTED, 100, 0, <-eventsChan, t)
}
func TestTimeout(t *testing.T) {
mbf.SetWaitTime("nodyn", "b", 2*time.Minute)
if _, _, e := qs.Allow(context.Background(), "nodyn", "b", 1, 1, false); e == nil {
t.Fatal("Expecting error \"Timed out waiting\"")
}
checkEvent("nodyn", "b", false, events.EVENT_TIMEOUT_SERVING_TOKENS, 1, 0, <-eventsChan, t)
mbf.SetWaitTime("nodyn", "b", 0)
}
func TestWithWait(t *testing.T) {
mbf.SetWaitTime("nodyn", "b", 2*time.Nanosecond)
if _, _, e := qs.Allow(context.Background(), "nodyn", "b", 1, 10, false); e != nil {
t.Fatalf("Not expecting error %+v", e)
}
checkEvent("nodyn", "b", false, events.EVENT_TOKENS_SERVED, 1, 2*time.Nanosecond, <-eventsChan, t)
mbf.SetWaitTime("nodyn", "b", 0)
}
func TestNoSuchBucket(t *testing.T) {
if _, _, e := qs.Allow(context.Background(), "nodyn", "x", 1, 0, false); e == nil {
t.Fatal("Expecting error \"No such bucket\"")
}
checkEvent("nodyn", "x", false, events.EVENT_BUCKET_MISS, 0, 0, <-eventsChan, t)
}
func TestNewDynBucket(t *testing.T) {
if _, _, e := qs.Allow(context.Background(), "dyn", "b", 1, 0, false); e != nil {
t.Fatalf("Not expecting error %+v", e)
}
checkEvent("dyn", "b", true, events.EVENT_BUCKET_CREATED, 0, 0, <-eventsChan, t)
checkEvent("dyn", "b", true, events.EVENT_TOKENS_SERVED, 1, 0, <-eventsChan, t)
}
func TestTooManyDynBuckets(t *testing.T) {
n := clearBuckets("dyn")
if _, _, e := qs.Allow(context.Background(), "dyn", "c", 1, 0, false); e != nil {
t.Fatalf("Not expecting error %+v", e)
}
if _, _, e := qs.Allow(context.Background(), "dyn", "d", 1, 0, false); e != nil {
t.Fatalf("Not expecting error %+v", e)
}
clearEvents(4 + n)
if _, _, e := qs.Allow(context.Background(), "dyn", "e", 1, 0, false); e == nil {
t.Fatal("Expecting error \"Cannot create dynamic bucket\"")
}
checkEvent("dyn", "e", true, events.EVENT_BUCKET_MISS, 0, 0, <-eventsChan, t)
}
func TestBucketRemoval(t *testing.T) {
if _, _, e := qs.Allow(context.Background(), "dyn_gc", "b", 1, 0, false); e != nil {
t.Fatalf("Not expecting error %+v", e)
}
if _, _, e := qs.Allow(context.Background(), "dyn_gc", "c", 1, 0, false); e != nil {
t.Fatalf("Not expecting error %+v", e)
}
if _, _, e := qs.Allow(context.Background(), "dyn_gc", "d", 1, 0, false); e != nil {
t.Fatalf("Not expecting error %+v", e)
}
clearEvents(6)
// GC thread should run every 100ms for this namespace. Make sure it runs at least once.
time.Sleep(300 * time.Millisecond)
for i := 0; i < 3; i++ {
e := <-eventsChan
checkEvent("dyn_gc", e.BucketName(), true, events.EVENT_BUCKET_REMOVED, 0, 0, e, t)
}
}
func checkEvent(namespace, name string, dyn bool, eventType events.EventType, tokens int64, waitTime time.Duration, actual events.Event, t *testing.T) {
t.Helper()
if actual == nil {
t.Fatal("Expecting event; was nil.")
}
if actual.Namespace() != namespace {
t.Fatalf("Event should have namespace '%v'. Was '%v'. Event %+v.", namespace, actual.Namespace(), actual)
}
if actual.BucketName() != name {
t.Fatalf("Event should have bucket name '%v'. Was '%v'. Event %+v.", name, actual.BucketName(), actual)
}
if actual.Dynamic() != dyn {
t.Fatalf("Event should have dynamic='%v'. Was '%v'. Event %+v.", dyn, actual.Dynamic(), actual)
}
if actual.EventType() != eventType {
t.Fatalf("Event should have type '%v'. Was '%v'. Event %+v.", eventType, actual.EventType(), actual)
}
if actual.NumTokens() != tokens {
t.Fatalf("Event should have tokens '%v'. Was '%v'. Event %+v.", tokens, actual.NumTokens(), actual)
}
if actual.WaitTime() != waitTime {
t.Fatalf("Event should have wait time '%v'. Was '%v'. Event %+v.", waitTime, actual.WaitTime(), actual)
}
}
func clearEvents(numEvents int) {
eventsLeft := numEvents
for range eventsChan {
eventsLeft--
if eventsLeft == 0 {
return
}
}
}
func clearBuckets(ns string) int {
cleared := 0
namespace := s.(*server).bucketContainer.namespaces[ns]
for bn := range namespace.buckets {
namespace.removeBucket(bn)
cleared++
}
return cleared
}