MQTT output unit tests w/ docker container

outputs/mqtt/mqtt_test.go

@@ -0,0 +1,27 @@
+package mqtt
+
+import (
+	"testing"
+
+	"github.com/influxdb/telegraf/testutil"
+	"github.com/stretchr/testify/require"
+)
+
+func TestConnectAndWrite(t *testing.T) {
+	if testing.Short() {
+		t.Skip("Skipping integration test in short mode")
+	}
+
+	var url = testutil.GetLocalHost() + ":1883"
+	m := &MQTT{
+		Servers: []string{url},
+	}
+
+	// Verify that we can connect to the MQTT broker
+	err := m.Connect()
+	require.NoError(t, err)
+
+	// Verify that we can successfully write data to the mqtt broker
+	err = m.Write(testutil.MockBatchPoints().Points())
+	require.NoError(t, err)
+}