mirror of https://github.com/restic/restic.git
89 lines
2.2 KiB
Go
89 lines
2.2 KiB
Go
// Copyright 2018 Google Inc. All Rights Reserved.
|
|
//
|
|
// 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)
|
|
t.Logf("Receive returned %v after seeing %d messages\n", err, n)
|
|
if n < nPublish {
|
|
t.Errorf("got %d messages, want %d", n, nPublish)
|
|
}
|
|
}
|