FIX: mqtttest signature mismatch with Publish.

mqtttest/mqtttest_test.go

@@ -0,0 +1,37 @@
+package mqtttest_test
+
+import (
+	"testing"
+
+	"github.com/pascaldekloe/mqtt"
+	"github.com/pascaldekloe/mqtt/mqtttest"
+)
+
+// Signatures
+var (
+	client      mqtt.Client
+	subscribe   = client.Subscribe
+	unsubscribe = client.Unsubscribe
+	publish     = client.Publish
+	publishAck  = 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
+	publishAck = c.PublishExactlyOnce
+
+	// check fits
+	readSlices = mqtttest.NewReadSlicesMock(t)
+	publish = mqtttest.NewPublishMock(t)
+	publish = mqtttest.NewPublishStub(nil)
+	publishAck = mqtttest.NewPublishAckStub(nil)
+	subscribe = mqtttest.NewSubscribeMock(t)
+	subscribe = mqtttest.NewSubscribeStub(nil)
+	unsubscribe = mqtttest.NewUnsubscribeMock(t)
+	unsubscribe = mqtttest.NewUnsubscribeStub(nil)
+}