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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/*
Copyright The containerd Authors.
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 ttrpc
import (
"bytes"
"errors"
"io"
"net"
"reflect"
"testing"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func TestReadWriteMessage(t *testing.T) {
var (
w, r = net.Pipe()
ch = newChannel(w)
rch = newChannel(r)
messages = [][]byte{
[]byte("hello"),
[]byte("this is a test"),
[]byte("of message framing"),
}
received [][]byte
errs = make(chan error, 1)
)
go func() {
for i, msg := range messages {
if err := ch.send(uint32(i), 1, 0, msg); err != nil {
errs <- err
return
}
}
w.Close()
}()
for {
_, p, err := rch.recv()
if err != nil {
if !errors.Is(err, io.EOF) {
t.Fatal(err)
}
break
}
received = append(received, p)
// make sure we don't have send errors
select {
case err := <-errs:
if err != nil {
t.Fatal(err)
}
default:
}
}
if !reflect.DeepEqual(received, messages) {
t.Fatalf("didn't received expected set of messages: %v != %v", received, messages)
}
select {
case err := <-errs:
if err != nil {
t.Fatal(err)
}
default:
}
}
func TestMessageOversize(t *testing.T) {
var (
w, _ = net.Pipe()
wch = newChannel(w)
msg = bytes.Repeat([]byte("a message of massive length"), 512<<10)
errs = make(chan error, 1)
)
go func() {
errs <- wch.send(1, 1, 0, msg)
}()
err := <-errs
if err == nil {
t.Fatalf("sending oversized message expected to fail")
}
status, ok := status.FromError(err)
if !ok {
t.Fatalf("expected grpc status error: %v", err)
}
if status.Code() != codes.ResourceExhausted {
t.Fatalf("expected grpc status code: %v != %v", status.Code(), codes.ResourceExhausted)
}
}
|
