1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
// 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_test
import (
"context"
"strconv"
"sync"
"testing"
"cloud.google.com/go/internal/testutil"
"cloud.google.com/go/pubsub"
"cloud.google.com/go/pubsub/pstest"
"google.golang.org/api/option"
"google.golang.org/grpc"
)
// withGRPCHeadersAssertionAlt is named differently than
// withGRPCHeadersAssertion in integration_test.go, because integration_test.go
// doesn't perform an external test i.e. its package name is "pubsub" while
// this one's is "pubsub_test", and when using Go Modules, without this rename
// go test won't find the function "withGRPCHeadersAssertion".
func withGRPCHeadersAssertionAlt(t *testing.T, opts ...option.ClientOption) []option.ClientOption {
grpcHeadersEnforcer := &testutil.HeadersEnforcer{
OnFailure: t.Fatalf,
Checkers: []*testutil.HeaderChecker{
testutil.XGoogClientHeaderChecker,
},
}
return append(grpcHeadersEnforcer.CallOptions(), opts...)
}
func TestPSTest(t *testing.T) {
t.Parallel()
ctx := context.Background()
srv := pstest.NewServer()
defer srv.Close()
conn, err := grpc.Dial(srv.Addr, grpc.WithInsecure())
if err != nil {
panic(err)
}
defer conn.Close()
opts := withGRPCHeadersAssertionAlt(t, option.WithGRPCConn(conn))
client, err := pubsub.NewClient(ctx, "some-project", opts...)
if err != nil {
panic(err)
}
defer client.Close()
topic, err := client.CreateTopic(ctx, "test-topic")
if err != nil {
panic(err)
}
sub, err := client.CreateSubscription(ctx, "sub-name", pubsub.SubscriptionConfig{Topic: topic})
if err != nil {
panic(err)
}
go func() {
for i := 0; i < 10; i++ {
srv.Publish("projects/some-project/topics/test-topic", []byte(strconv.Itoa(i)), nil)
}
}()
ctx, cancel := context.WithCancel(ctx)
var mu sync.Mutex
count := 0
err = sub.Receive(ctx, func(ctx context.Context, m *pubsub.Message) {
mu.Lock()
count++
if count >= 10 {
cancel()
}
mu.Unlock()
m.Ack()
})
if err != nil {
panic(err)
}
}
|
