robocar-base/testtools/testtools.go

85 lines
1.6 KiB
Go

package testtools
import (
"github.com/cyrilix/robocar-base/mqttdevice"
mqtt "github.com/eclipse/paho.mqtt.golang"
"github.com/golang/protobuf/proto"
log "github.com/sirupsen/logrus"
"sync"
)
func NewFakePublisher() *FakePublisher {
return &FakePublisher{msg: make(map[string]mqttdevice.MqttValue)}
}
type FakePublisher struct {
muMsg sync.Mutex
msg map[string]mqttdevice.MqttValue
}
func (f *FakePublisher) Publish(topic string, payload mqttdevice.MqttValue) {
f.muMsg.Lock()
defer f.muMsg.Unlock()
f.msg[topic] = payload
}
func (f *FakePublisher) PublishedEvent(topic string) mqttdevice.MqttValue {
f.muMsg.Lock()
defer f.muMsg.Unlock()
return f.msg[topic]
}
type fakeMessage struct {
qos byte
topic string
payload []byte
acked bool
}
func (f *fakeMessage) Duplicate() bool {
return false
}
func (f *fakeMessage) Qos() byte {
return f.qos
}
func (f *fakeMessage) Retained() bool {
return false
}
func (f *fakeMessage) Topic() string {
return f.topic
}
func (f *fakeMessage) MessageID() uint16 {
return 1234
}
func (f *fakeMessage) Payload() []byte {
return f.payload
}
func (f *fakeMessage) Ack() {
f.acked = true
}
func NewFakeMessage(topic string, payload []byte) mqtt.Message {
return &fakeMessage{
qos: 0,
topic: topic,
payload: payload,
acked: false,
}
}
func NewFakeMessageFromProtobuf(topic string, msg proto.Message) mqtt.Message{
payload, err := proto.Marshal(msg)
if err != nil {
log.Errorf("unable to marshal protobuf message %T: %v", msg, err)
return nil
}
return NewFakeMessage(topic, payload)
}