add unit tests
This commit is contained in:
ncohensm
parent
a0cb60840f
commit
121d71f48d
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@ -1,48 +1,40 @@
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package http_listener
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import (
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"fmt"
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"net"
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"testing"
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"time"
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"github.com/influxdata/telegraf/plugins/parsers"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"net/http"
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"bytes"
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)
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const (
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testMsg = "cpu_load_short,host=server01 value=12.0 1422568543702900257\n"
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testMsgs = `
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cpu_load_short,host=server02 value=12.0 1422568543702900257
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testMsgs = `cpu_load_short,host=server02 value=12.0 1422568543702900257
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cpu_load_short,host=server03 value=12.0 1422568543702900257
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cpu_load_short,host=server04 value=12.0 1422568543702900257
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cpu_load_short,host=server05 value=12.0 1422568543702900257
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cpu_load_short,host=server06 value=12.0 1422568543702900257
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`
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badMsg = "blahblahblah: 42\n"
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)
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func newTestTcpListener() (*TcpListener, chan []byte) {
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in := make(chan []byte, 1500)
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listener := &TcpListener{
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ServiceAddress: ":8194",
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AllowedPendingMessages: 10000,
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MaxTCPConnections: 250,
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in: in,
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done: make(chan struct{}),
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func newTestHttpListener() (*HttpListener) {
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listener := &HttpListener{
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ServiceAddress: ":8186",
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ReadTimeout: "10",
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WriteTimeout: "10",
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}
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return listener, in
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return listener
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}
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func TestConnectTCP(t *testing.T) {
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listener := TcpListener{
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ServiceAddress: ":8194",
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AllowedPendingMessages: 10000,
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MaxTCPConnections: 250,
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}
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func TestWriteHTTP(t *testing.T) {
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listener := newTestHttpListener()
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listener.parser, _ = parsers.NewInfluxParser()
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acc := &testutil.Accumulator{}
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@ -50,19 +42,23 @@ func TestConnectTCP(t *testing.T) {
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defer listener.Stop()
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time.Sleep(time.Millisecond * 25)
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conn, err := net.Dial("tcp", "127.0.0.1:8194")
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require.NoError(t, err)
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// send single message to socket
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fmt.Fprintf(conn, testMsg)
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// post single message to listener
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var resp, err = http.Post("http://localhost:8186/write?db=mydb", "", bytes.NewBuffer([]byte(testMsg)))
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require.NoError(t, err)
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require.EqualValues(t, resp.StatusCode, 204)
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time.Sleep(time.Millisecond * 15)
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acc.AssertContainsTaggedFields(t, "cpu_load_short",
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map[string]interface{}{"value": float64(12)},
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map[string]string{"host": "server01"},
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)
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// send multiple messages to socket
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fmt.Fprintf(conn, testMsgs)
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// post multiple message to listener
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resp, err = http.Post("http://localhost:8186/write?db=mydb", "", bytes.NewBuffer([]byte(testMsgs)))
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require.NoError(t, err)
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require.EqualValues(t, resp.StatusCode, 204)
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time.Sleep(time.Millisecond * 15)
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hostTags := []string{"server02", "server03",
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"server04", "server05", "server06"}
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@ -74,13 +70,10 @@ func TestConnectTCP(t *testing.T) {
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}
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}
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// Test that MaxTCPConections is respected
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func TestConcurrentConns(t *testing.T) {
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listener := TcpListener{
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ServiceAddress: ":8195",
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AllowedPendingMessages: 10000,
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MaxTCPConnections: 2,
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}
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func TestWriteHTTPInvalid(t *testing.T) {
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time.Sleep(time.Millisecond * 250)
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listener := newTestHttpListener()
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listener.parser, _ = parsers.NewInfluxParser()
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acc := &testutil.Accumulator{}
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@ -88,37 +81,17 @@ func TestConcurrentConns(t *testing.T) {
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defer listener.Stop()
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time.Sleep(time.Millisecond * 25)
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_, err := net.Dial("tcp", "127.0.0.1:8195")
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assert.NoError(t, err)
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_, err = net.Dial("tcp", "127.0.0.1:8195")
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assert.NoError(t, err)
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// Connection over the limit:
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conn, err := net.Dial("tcp", "127.0.0.1:8195")
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assert.NoError(t, err)
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net.Dial("tcp", "127.0.0.1:8195")
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buf := make([]byte, 1500)
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n, err := conn.Read(buf)
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assert.NoError(t, err)
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assert.Equal(t,
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"Telegraf maximum concurrent TCP connections (2) reached, closing.\n"+
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"You may want to increase max_tcp_connections in"+
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" the Telegraf tcp listener configuration.\n",
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string(buf[:n]))
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_, err = conn.Write([]byte(testMsg))
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assert.NoError(t, err)
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time.Sleep(time.Millisecond * 10)
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assert.Zero(t, acc.NFields())
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// post single message to listener
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var resp, err = http.Post("http://localhost:8186/write?db=mydb", "", bytes.NewBuffer([]byte(badMsg)))
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require.NoError(t, err)
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require.EqualValues(t, resp.StatusCode, 500)
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}
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// Test that MaxTCPConections is respected when max==1
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func TestConcurrentConns1(t *testing.T) {
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listener := TcpListener{
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ServiceAddress: ":8196",
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AllowedPendingMessages: 10000,
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MaxTCPConnections: 1,
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}
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func TestQueryHTTP(t *testing.T) {
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time.Sleep(time.Millisecond * 250)
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listener := newTestHttpListener()
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listener.parser, _ = parsers.NewInfluxParser()
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acc := &testutil.Accumulator{}
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@ -126,134 +99,10 @@ func TestConcurrentConns1(t *testing.T) {
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defer listener.Stop()
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time.Sleep(time.Millisecond * 25)
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_, err := net.Dial("tcp", "127.0.0.1:8196")
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assert.NoError(t, err)
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// Connection over the limit:
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conn, err := net.Dial("tcp", "127.0.0.1:8196")
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assert.NoError(t, err)
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net.Dial("tcp", "127.0.0.1:8196")
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buf := make([]byte, 1500)
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n, err := conn.Read(buf)
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assert.NoError(t, err)
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assert.Equal(t,
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"Telegraf maximum concurrent TCP connections (1) reached, closing.\n"+
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"You may want to increase max_tcp_connections in"+
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" the Telegraf tcp listener configuration.\n",
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string(buf[:n]))
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_, err = conn.Write([]byte(testMsg))
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assert.NoError(t, err)
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time.Sleep(time.Millisecond * 10)
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assert.Zero(t, acc.NFields())
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// post query to listener
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var resp, err = http.Post("http://localhost:8186/query?db=&q=CREATE+DATABASE+IF+NOT+EXISTS+%22mydb%22", "", nil)
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require.NoError(t, err)
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require.EqualValues(t, resp.StatusCode, 200)
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}
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// Test that MaxTCPConections is respected
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func TestCloseConcurrentConns(t *testing.T) {
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listener := TcpListener{
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ServiceAddress: ":8195",
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AllowedPendingMessages: 10000,
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MaxTCPConnections: 2,
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}
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listener.parser, _ = parsers.NewInfluxParser()
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acc := &testutil.Accumulator{}
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require.NoError(t, listener.Start(acc))
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time.Sleep(time.Millisecond * 25)
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_, err := net.Dial("tcp", "127.0.0.1:8195")
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assert.NoError(t, err)
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_, err = net.Dial("tcp", "127.0.0.1:8195")
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assert.NoError(t, err)
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listener.Stop()
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}
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func TestRunParser(t *testing.T) {
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var testmsg = []byte(testMsg)
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listener, in := newTestTcpListener()
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acc := testutil.Accumulator{}
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listener.acc = &acc
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defer close(listener.done)
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listener.parser, _ = parsers.NewInfluxParser()
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listener.wg.Add(1)
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go listener.tcpParser()
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in <- testmsg
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time.Sleep(time.Millisecond * 25)
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listener.Gather(&acc)
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if a := acc.NFields(); a != 1 {
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t.Errorf("got %v, expected %v", a, 1)
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}
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acc.AssertContainsTaggedFields(t, "cpu_load_short",
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map[string]interface{}{"value": float64(12)},
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map[string]string{"host": "server01"},
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)
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}
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func TestRunParserInvalidMsg(t *testing.T) {
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var testmsg = []byte("cpu_load_short")
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listener, in := newTestTcpListener()
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acc := testutil.Accumulator{}
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listener.acc = &acc
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defer close(listener.done)
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listener.parser, _ = parsers.NewInfluxParser()
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listener.wg.Add(1)
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go listener.tcpParser()
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in <- testmsg
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time.Sleep(time.Millisecond * 25)
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if a := acc.NFields(); a != 0 {
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t.Errorf("got %v, expected %v", a, 0)
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}
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}
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func TestRunParserGraphiteMsg(t *testing.T) {
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var testmsg = []byte("cpu.load.graphite 12 1454780029")
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listener, in := newTestTcpListener()
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acc := testutil.Accumulator{}
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listener.acc = &acc
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defer close(listener.done)
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listener.parser, _ = parsers.NewGraphiteParser("_", []string{}, nil)
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listener.wg.Add(1)
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go listener.tcpParser()
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in <- testmsg
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time.Sleep(time.Millisecond * 25)
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listener.Gather(&acc)
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acc.AssertContainsFields(t, "cpu_load_graphite",
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map[string]interface{}{"value": float64(12)})
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}
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func TestRunParserJSONMsg(t *testing.T) {
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var testmsg = []byte("{\"a\": 5, \"b\": {\"c\": 6}}\n")
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listener, in := newTestTcpListener()
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acc := testutil.Accumulator{}
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listener.acc = &acc
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defer close(listener.done)
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listener.parser, _ = parsers.NewJSONParser("udp_json_test", []string{}, nil)
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listener.wg.Add(1)
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go listener.tcpParser()
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in <- testmsg
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time.Sleep(time.Millisecond * 25)
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listener.Gather(&acc)
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acc.AssertContainsFields(t, "udp_json_test",
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map[string]interface{}{
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"a": float64(5),
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"b_c": float64(6),
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})
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}
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