|
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687 |
- // Copyright 2018 Google LLC
- //
- // Licensed under the Apache License, Version 2.0 (the "License");
- // you may not use this file except in compliance with the License.
- // You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
-
- package pubsub
-
- import (
- "log"
- "sync/atomic"
- "testing"
- "time"
-
- "golang.org/x/net/context"
-
- "cloud.google.com/go/pubsub/pstest"
- "google.golang.org/api/option"
- "google.golang.org/grpc"
- )
-
- // Using the fake PubSub server in the pstest package, verify that streaming
- // pull resumes if the server stream times out.
- func TestStreamTimeout(t *testing.T) {
- log.SetFlags(log.Lmicroseconds)
- ctx := context.Background()
- srv := pstest.NewServer()
- srv.SetStreamTimeout(2 * time.Second)
- conn, err := grpc.Dial(srv.Addr, grpc.WithInsecure())
- if err != nil {
- t.Fatal(err)
- }
-
- client, err := NewClient(ctx, "P", option.WithGRPCConn(conn))
- if err != nil {
- t.Fatal(err)
- }
- defer client.Close()
- topic, err := client.CreateTopic(ctx, "T")
- if err != nil {
- t.Fatal(err)
- }
- sub, err := client.CreateSubscription(ctx, "sub", SubscriptionConfig{Topic: topic, AckDeadline: 10 * time.Second})
- if err != nil {
- t.Fatal(err)
- }
- const nPublish = 8
- rctx, cancel := context.WithTimeout(ctx, 30*time.Second)
- defer cancel()
- errc := make(chan error)
- var nSeen int64
- go func() {
- errc <- sub.Receive(rctx, func(ctx context.Context, m *Message) {
- m.Ack()
- n := atomic.AddInt64(&nSeen, 1)
- if n >= nPublish {
- cancel()
- }
- })
- }()
-
- for i := 0; i < nPublish; i++ {
- pr := topic.Publish(ctx, &Message{Data: []byte("msg")})
- _, err := pr.Get(ctx)
- if err != nil {
- t.Fatal(err)
- }
- time.Sleep(250 * time.Millisecond)
- }
-
- err = <-errc
- if err := sub.Delete(ctx); err != nil {
- t.Fatal(err)
- }
- n := atomic.LoadInt64(&nSeen)
- if n < nPublish {
- t.Errorf("got %d messages, want %d", n, nPublish)
- }
- }
|