132 lines
3.2 KiB
Go
132 lines
3.2 KiB
Go
package graphite
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import (
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"bufio"
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"net"
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"net/textproto"
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"sync"
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"testing"
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"time"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/metric"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestGraphiteError(t *testing.T) {
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// Init plugin
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g := Graphite{
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Servers: []string{"127.0.0.1:2003", "127.0.0.1:12003"},
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Prefix: "my.prefix",
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}
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// Init metrics
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m1, _ := metric.New(
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"mymeasurement",
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map[string]string{"host": "192.168.0.1"},
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map[string]interface{}{"mymeasurement": float64(3.14)},
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time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC),
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)
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// Prepare point list
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var metrics []telegraf.Metric
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metrics = append(metrics, m1)
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// Error
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err1 := g.Connect()
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require.NoError(t, err1)
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err2 := g.Write(metrics)
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require.Error(t, err2)
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assert.Equal(t, "Could not write to any Graphite server in cluster\n", err2.Error())
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}
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func TestGraphiteOK(t *testing.T) {
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var wg sync.WaitGroup
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// Start TCP server
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wg.Add(1)
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t.Log("Starting server")
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TCPServer1(t, &wg)
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// Init plugin
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g := Graphite{
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Prefix: "my.prefix",
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}
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// Init metrics
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m1, _ := metric.New(
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"mymeasurement",
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map[string]string{"host": "192.168.0.1"},
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map[string]interface{}{"myfield": float64(3.14)},
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time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC),
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)
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m2, _ := metric.New(
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"mymeasurement",
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map[string]string{"host": "192.168.0.1"},
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map[string]interface{}{"value": float64(3.14)},
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time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC),
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)
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m3, _ := metric.New(
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"my_measurement",
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map[string]string{"host": "192.168.0.1"},
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map[string]interface{}{"value": float64(3.14)},
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time.Date(2010, time.November, 10, 23, 0, 0, 0, time.UTC),
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)
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// Prepare point list
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metrics := []telegraf.Metric{m1}
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metrics2 := []telegraf.Metric{m2, m3}
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err1 := g.Connect()
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require.NoError(t, err1)
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// Send Data
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t.Log("Send first data")
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err2 := g.Write(metrics)
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require.NoError(t, err2)
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// Waiting TCPserver
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wg.Wait()
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t.Log("Finished Waiting for first data")
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var wg2 sync.WaitGroup
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// Start TCP server
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wg2.Add(1)
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TCPServer2(t, &wg2)
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//Write but expect an error, but reconnect
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g.Write(metrics2)
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err3 := g.Write(metrics2)
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t.Log("Finished writing second data, it should have failed")
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//Actually write the new metrics
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require.NoError(t, err3)
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t.Log("Finished writing third data")
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wg2.Wait()
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g.Close()
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}
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func TCPServer1(t *testing.T, wg *sync.WaitGroup) {
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tcpServer, _ := net.Listen("tcp", "127.0.0.1:2003")
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go func() {
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defer wg.Done()
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conn, _ := (tcpServer).Accept()
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reader := bufio.NewReader(conn)
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tp := textproto.NewReader(reader)
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data1, _ := tp.ReadLine()
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assert.Equal(t, "my.prefix.192_168_0_1.mymeasurement.myfield 3.14 1289430000", data1)
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conn.Close()
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tcpServer.Close()
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}()
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}
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func TCPServer2(t *testing.T, wg *sync.WaitGroup) {
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tcpServer, _ := net.Listen("tcp", "127.0.0.1:2003")
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go func() {
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defer wg.Done()
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conn2, _ := (tcpServer).Accept()
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reader := bufio.NewReader(conn2)
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tp := textproto.NewReader(reader)
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data2, _ := tp.ReadLine()
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assert.Equal(t, "my.prefix.192_168_0_1.mymeasurement 3.14 1289430000", data2)
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data3, _ := tp.ReadLine()
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assert.Equal(t, "my.prefix.192_168_0_1.my_measurement 3.14 1289430000", data3)
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conn2.Close()
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tcpServer.Close()
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}()
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}
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