/
publish_test.go
258 lines (211 loc) · 6.63 KB
/
publish_test.go
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// Copyright (c) 2014 The gomqtt Authors. 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 message
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPublishMessageDecode1(t *testing.T) {
msgBytes := []byte{
byte(PUBLISH<<4) | 2,
23,
0, // topic name MSB (0)
7, // topic name LSB (7)
's', 'u', 'r', 'g', 'e', 'm', 'q',
0, // packet ID MSB (0)
7, // packet ID LSB (7)
's', 'e', 'n', 'd', ' ', 'm', 'e', ' ', 'h', 'o', 'm', 'e',
}
msg := NewPublishMessage()
n, err := msg.Decode(msgBytes)
require.NoError(t, err, "Error decoding message.")
require.Equal(t, len(msgBytes), n, "Error decoding message.")
require.Equal(t, 7, int(msg.PacketId), "Error decoding message.")
require.Equal(t, "surgemq", string(msg.Topic), "Error deocding topic name.")
require.Equal(t, []byte{'s', 'e', 'n', 'd', ' ', 'm', 'e', ' ', 'h', 'o', 'm', 'e'}, msg.Payload, "Error deocding payload.")
}
// test insufficient bytes
func TestPublishMessageDecode2(t *testing.T) {
msgBytes := []byte{
byte(PUBLISH<<4) | 2,
26,
0, // topic name MSB (0)
7, // topic name LSB (7)
's', 'u', 'r', 'g', 'e', 'm', 'q',
0, // packet ID MSB (0)
7, // packet ID LSB (7)
's', 'e', 'n', 'd', ' ', 'm', 'e', ' ', 'h', 'o', 'm', 'e',
}
msg := NewPublishMessage()
_, err := msg.Decode(msgBytes)
require.Error(t, err)
}
// test qos = 0 and no client id
func TestPublishMessageDecode3(t *testing.T) {
msgBytes := []byte{
byte(PUBLISH << 4),
21,
0, // topic name MSB (0)
7, // topic name LSB (7)
's', 'u', 'r', 'g', 'e', 'm', 'q',
's', 'e', 'n', 'd', ' ', 'm', 'e', ' ', 'h', 'o', 'm', 'e',
}
msg := NewPublishMessage()
_, err := msg.Decode(msgBytes)
require.NoError(t, err, "Error decoding message.")
}
func TestPublishMessageEncode(t *testing.T) {
msgBytes := []byte{
byte(PUBLISH<<4) | 2,
23,
0, // topic name MSB (0)
7, // topic name LSB (7)
's', 'u', 'r', 'g', 'e', 'm', 'q',
0, // packet ID MSB (0)
7, // packet ID LSB (7)
's', 'e', 'n', 'd', ' ', 'm', 'e', ' ', 'h', 'o', 'm', 'e',
}
msg := NewPublishMessage()
msg.Topic = []byte("surgemq")
msg.QoS = QosAtLeastOnce
msg.PacketId = 7
msg.Payload = []byte{'s', 'e', 'n', 'd', ' ', 'm', 'e', ' ', 'h', 'o', 'm', 'e'}
dst := make([]byte, 100)
n, err := msg.Encode(dst)
require.NoError(t, err, "Error decoding message.")
require.Equal(t, len(msgBytes), n, "Error decoding message.")
require.Equal(t, msgBytes, dst[:n], "Error decoding message.")
}
// test empty topic name
func TestPublishMessageEncode2(t *testing.T) {
msg := NewPublishMessage()
msg.Topic = []byte("")
msg.PacketId = 7
msg.Payload = []byte{'s', 'e', 'n', 'd', ' ', 'm', 'e', ' ', 'h', 'o', 'm', 'e'}
dst := make([]byte, 100)
_, err := msg.Encode(dst)
require.Error(t, err)
}
// test encoding qos = 0 and no packet id
func TestPublishMessageEncode3(t *testing.T) {
msgBytes := []byte{
byte(PUBLISH << 4),
21,
0, // topic name MSB (0)
7, // topic name LSB (7)
's', 'u', 'r', 'g', 'e', 'm', 'q',
's', 'e', 'n', 'd', ' ', 'm', 'e', ' ', 'h', 'o', 'm', 'e',
}
msg := NewPublishMessage()
msg.Topic = []byte("surgemq")
msg.QoS = QosAtMostOnce
msg.Payload = []byte{'s', 'e', 'n', 'd', ' ', 'm', 'e', ' ', 'h', 'o', 'm', 'e'}
dst := make([]byte, 100)
n, err := msg.Encode(dst)
require.NoError(t, err, "Error decoding message.")
require.Equal(t, len(msgBytes), n, "Error decoding message.")
require.Equal(t, msgBytes, dst[:n], "Error decoding message.")
}
// test large message
func TestPublishMessageEncode4(t *testing.T) {
msgBytes := []byte{
byte(PUBLISH << 4),
137,
8,
0, // topic name MSB (0)
7, // topic name LSB (7)
's', 'u', 'r', 'g', 'e', 'm', 'q',
}
payload := make([]byte, 1024)
msgBytes = append(msgBytes, payload...)
msg := NewPublishMessage()
msg.Topic = []byte("surgemq")
msg.QoS = QosAtMostOnce
msg.Payload = payload
require.Equal(t, len(msgBytes), msg.Len())
dst := make([]byte, 1100)
n, err := msg.Encode(dst)
require.NoError(t, err, "Error decoding message.")
require.Equal(t, len(msgBytes), n, "Error decoding message.")
require.Equal(t, msgBytes, dst[:n], "Error decoding message.")
}
func TestPublishEqualDecodeEncode2(t *testing.T) {
msgBytes := []byte{50, 18, 0, 9, 103, 114, 101, 101, 116, 105, 110, 103, 115, 0, 1, 72, 101, 108, 108, 111}
msg := NewPublishMessage()
n, err := msg.Decode(msgBytes)
require.NoError(t, err, "Error decoding message.")
require.Equal(t, len(msgBytes), n, "Error decoding message.")
dst := make([]byte, 100)
n2, err := msg.Encode(dst)
require.NoError(t, err, "Error decoding message.")
require.Equal(t, len(msgBytes), n2, "Error decoding message.")
require.Equal(t, msgBytes, dst[:n], "Error decoding message.")
}
func TestPublishEqualDecodeEncode(t *testing.T) {
msgBytes := []byte{
byte(PUBLISH<<4) | 2,
23,
0, // topic name MSB (0)
7, // topic name LSB (7)
's', 'u', 'r', 'g', 'e', 'm', 'q',
0, // packet ID MSB (0)
7, // packet ID LSB (7)
's', 'e', 'n', 'd', ' ', 'm', 'e', ' ', 'h', 'o', 'm', 'e',
}
msg := NewPublishMessage()
n, err := msg.Decode(msgBytes)
require.NoError(t, err, "Error decoding message.")
require.Equal(t, len(msgBytes), n, "Error decoding message.")
dst := make([]byte, 100)
n2, err := msg.Encode(dst)
require.NoError(t, err, "Error decoding message.")
require.Equal(t, len(msgBytes), n2, "Error decoding message.")
require.Equal(t, msgBytes, dst[:n2], "Error decoding message.")
n3, err := msg.Decode(dst)
require.NoError(t, err, "Error decoding message.")
require.Equal(t, len(msgBytes), n3, "Error decoding message.")
}
func BenchmarkPublishEncode(b *testing.B) {
msg := NewPublishMessage()
msg.Topic = []byte("t")
msg.QoS = QosAtLeastOnce
msg.PacketId = 1
msg.Payload = []byte("p")
buf := make([]byte, msg.Len())
for i := 0; i < b.N; i++ {
_, err := msg.Encode(buf)
if err != nil {
panic(err)
}
}
}
func BenchmarkPublishDecode(b *testing.B) {
msgBytes := []byte{
byte(PUBLISH<<4) | 2,
6,
0, // topic name MSB (0)
1, // topic name LSB (7)
't',
0, // packet ID MSB (0)
1, // packet ID LSB (7)
'p',
}
msg := NewPublishMessage()
for i := 0; i < b.N; i++ {
_, err := msg.Decode(msgBytes)
if err != nil {
panic(err)
}
}
}