90 lines
1.9 KiB
Go
90 lines
1.9 KiB
Go
package client
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import (
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"net"
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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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)
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func TestUDPClient(t *testing.T) {
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config := UDPConfig{
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URL: "udp://localhost:8089",
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}
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client, err := NewUDP(config)
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assert.NoError(t, err)
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err = client.Query("ANY QUERY RETURNS NIL")
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assert.NoError(t, err)
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assert.NoError(t, client.Close())
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}
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func TestNewUDPClient_Errors(t *testing.T) {
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// url.Parse Error
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config := UDPConfig{
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URL: "udp://localhost%35:8089",
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}
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_, err := NewUDP(config)
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assert.Error(t, err)
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// ResolveUDPAddr Error
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config = UDPConfig{
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URL: "udp://localhost:999999",
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}
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_, err = NewUDP(config)
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assert.Error(t, err)
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}
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func TestUDPClient_Write(t *testing.T) {
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config := UDPConfig{
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URL: "udp://localhost:8199",
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}
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client, err := NewUDP(config)
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assert.NoError(t, err)
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packets := make(chan string, 100)
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address, err := net.ResolveUDPAddr("udp", "localhost:8199")
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assert.NoError(t, err)
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listener, err := net.ListenUDP("udp", address)
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defer listener.Close()
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assert.NoError(t, err)
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go func() {
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buf := make([]byte, 200)
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for {
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n, _, err := listener.ReadFromUDP(buf)
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if err != nil {
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packets <- err.Error()
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}
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packets <- string(buf[0:n])
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}
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}()
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assert.NoError(t, client.Close())
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config = UDPConfig{
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URL: "udp://localhost:8199",
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PayloadSize: 40,
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}
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client4, err := NewUDP(config)
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assert.NoError(t, err)
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ts := time.Unix(1484142943, 0)
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m1, _ := metric.New("test", map[string]string{},
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map[string]interface{}{"this_is_a_very_long_field_name": 1.1}, ts)
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m2, _ := metric.New("test", map[string]string{},
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map[string]interface{}{"value": 1.1}, ts)
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ms := []telegraf.Metric{m1, m2}
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reader := metric.NewReader(ms)
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err = client4.WriteStream(reader)
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assert.NoError(t, err)
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pkt := <-packets
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assert.Equal(t, "test value=1.1 1484142943000000000\n", pkt)
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assert.NoError(t, client4.Close())
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}
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