112 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Go
		
	
	
	
| package mqtt_consumer
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| 
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| import (
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| 	"testing"
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| 
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| 	"github.com/eclipse/paho.mqtt.golang"
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| 	"github.com/influxdata/telegraf/testutil"
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| 	"github.com/stretchr/testify/assert"
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| )
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| 
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| const (
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| 	testMsg    = "cpu_load_short,host=server01 value=23422.0 1422568543702900257\n"
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| 	invalidMsg = "cpu_load_short,host=server01 1422568543702900257\n"
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| )
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| 
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| func newTestMQTTConsumer() *MQTTConsumer {
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| 	n := &MQTTConsumer{
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| 		Topics:  []string{"telegraf"},
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| 		Servers: []string{"localhost:1883"},
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| 	}
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| 
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| 	return n
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| }
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| 
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| // Test that default client has random ID
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| func TestRandomClientID(t *testing.T) {
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| 	m1 := &MQTTConsumer{
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| 		Servers: []string{"localhost:1883"}}
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| 	opts, err := m1.createOpts()
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| 	assert.NoError(t, err)
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| 
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| 	m2 := &MQTTConsumer{
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| 		Servers: []string{"localhost:1883"}}
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| 	opts2, err2 := m2.createOpts()
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| 	assert.NoError(t, err2)
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| 
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| 	assert.NotEqual(t, opts.ClientID, opts2.ClientID)
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| }
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| 
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| // Test that default client has random ID
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| func TestClientID(t *testing.T) {
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| 	m1 := &MQTTConsumer{
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| 		Servers:  []string{"localhost:1883"},
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| 		ClientID: "telegraf-test",
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| 	}
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| 	opts, err := m1.createOpts()
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| 	assert.NoError(t, err)
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| 
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| 	m2 := &MQTTConsumer{
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| 		Servers:  []string{"localhost:1883"},
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| 		ClientID: "telegraf-test",
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| 	}
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| 	opts2, err2 := m2.createOpts()
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| 	assert.NoError(t, err2)
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| 
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| 	assert.Equal(t, "telegraf-test", opts2.ClientID)
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| 	assert.Equal(t, "telegraf-test", opts.ClientID)
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| }
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| 
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| // Test that Start() fails if client ID is not set but persistent is
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| func TestPersistentClientIDFail(t *testing.T) {
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| 	m1 := &MQTTConsumer{
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| 		Servers:           []string{"localhost:1883"},
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| 		PersistentSession: true,
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| 	}
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| 	acc := testutil.Accumulator{}
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| 	err := m1.Start(&acc)
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| 	assert.Error(t, err)
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| }
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| 
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| func mqttMsg(val string) mqtt.Message {
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| 	return &message{
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| 		topic:   "telegraf/unit_test",
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| 		payload: []byte(val),
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| 	}
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| }
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| 
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| // Take the message struct from the paho mqtt client library for returning
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| // a test message interface.
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| type message struct {
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| 	duplicate bool
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| 	qos       byte
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| 	retained  bool
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| 	topic     string
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| 	messageID uint16
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| 	payload   []byte
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| }
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| 
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| func (m *message) Duplicate() bool {
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| 	return m.duplicate
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| }
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| 
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| func (m *message) Qos() byte {
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| 	return m.qos
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| }
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| 
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| func (m *message) Retained() bool {
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| 	return m.retained
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| }
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| 
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| func (m *message) Topic() string {
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| 	return m.topic
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| }
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| 
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| func (m *message) MessageID() uint16 {
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| 	return m.messageID
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| }
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| 
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| func (m *message) Payload() []byte {
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| 	return m.payload
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| }
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