Naive implementation that always return min value

vendor/github.com/cyrilix/robocar-base/testtools/testtools.go

@@ -0,0 +1,73 @@
+package testtools
+
+import (
+	"github.com/cyrilix/robocar-base/mqttdevice"
+	mqtt "github.com/eclipse/paho.mqtt.golang"
+	"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,
+	}
+}