package mqtttest_test

import (
	"testing"

	"github.com/go-mqtt/mqtt"
	"github.com/go-mqtt/mqtt/mqtttest"
)

// Signatures
var (
	client          mqtt.Client
	subscribe       = client.Subscribe
	unsubscribe     = client.Unsubscribe
	publish         = client.Publish
	publishEnqueued = client.PublishAtLeastOnce
	readSlices      = client.ReadSlices
)

// Won't compile on failure.
func TestSignatureMatch(t *testing.T) {
	var c mqtt.Client
	// check dupe assumptions
	subscribe = c.SubscribeLimitAtMostOnce
	subscribe = c.SubscribeLimitAtLeastOnce
	publishEnqueued = c.PublishExactlyOnce

	// check fits
	readSlices = mqtttest.NewReadSlicesStub(mqtttest.Transfer{})
	readSlices = mqtttest.NewReadSlicesMock(t)
	publish = mqtttest.NewPublishMock(t)
	publish = mqtttest.NewPublishStub(nil)
	publishEnqueued = mqtttest.NewPublishExchangeStub(nil)
	subscribe = mqtttest.NewSubscribeMock(t)
	subscribe = mqtttest.NewSubscribeStub(nil)
	unsubscribe = mqtttest.NewUnsubscribeMock(t)
	unsubscribe = mqtttest.NewUnsubscribeStub(nil)
}