package graphite import ( "bufio" "net" "net/textproto" "sync" "testing" "time" "github.com/influxdata/telegraf" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) func TestGraphiteError(t *testing.T) { // Init plugin g := Graphite{ Servers: []string{"127.0.0.1:2003", "127.0.0.1:12003"}, Prefix: "my.prefix", } // Init metrics m1, _ := telegraf.NewMetric( "mymeasurement", map[string]string{"host": "192.168.0.1"}, map[string]interface{}{"mymeasurement": float64(3.14)}, time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC), ) // Prepare point list var metrics []telegraf.Metric metrics = append(metrics, m1) // Error err1 := g.Connect() require.NoError(t, err1) err2 := g.Write(metrics) require.Error(t, err2) assert.Equal(t, "Could not write to any Graphite server in cluster\n", err2.Error()) } func TestGraphiteOK(t *testing.T) { var wg sync.WaitGroup // Start TCP server wg.Add(1) go TCPServer(t, &wg) // Give the fake graphite TCP server some time to start: time.Sleep(time.Millisecond * 100) // Init plugin g := Graphite{ Prefix: "my.prefix", } // Init metrics m1, _ := telegraf.NewMetric( "mymeasurement", map[string]string{"host": "192.168.0.1"}, map[string]interface{}{"mymeasurement": float64(3.14)}, time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC), ) m2, _ := telegraf.NewMetric( "mymeasurement", map[string]string{"host": "192.168.0.1"}, map[string]interface{}{"value": float64(3.14)}, time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC), ) m3, _ := telegraf.NewMetric( "my_measurement", map[string]string{"host": "192.168.0.1"}, map[string]interface{}{"value": float64(3.14)}, time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC), ) // Prepare point list metrics := []telegraf.Metric{m1, m2, m3} err1 := g.Connect() require.NoError(t, err1) // Send Data err2 := g.Write(metrics) require.NoError(t, err2) // Waiting TCPserver wg.Wait() g.Close() } func TCPServer(t *testing.T, wg *sync.WaitGroup) { tcpServer, _ := net.Listen("tcp", "127.0.0.1:2003") defer wg.Done() conn, _ := tcpServer.Accept() reader := bufio.NewReader(conn) tp := textproto.NewReader(reader) data1, _ := tp.ReadLine() assert.Equal(t, "my.prefix.192_168_0_1.mymeasurement 3.14 1289430000", data1) data2, _ := tp.ReadLine() assert.Equal(t, "my.prefix.192_168_0_1.mymeasurement.value 3.14 1289430000", data2) data3, _ := tp.ReadLine() assert.Equal(t, "my.prefix.192_168_0_1.my_measurement.value 3.14 1289430000", data3) conn.Close() }