telegraf/plugins/disque/disque_test.go

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2015-07-31 19:46:46 +00:00
package disque
import (
"bufio"
"fmt"
"net"
"testing"
"github.com/influxdb/telegraf/testutil"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestDisqueGeneratesMetrics(t *testing.T) {
l, err := net.Listen("tcp", ":0")
require.NoError(t, err)
defer l.Close()
go func() {
c, err := l.Accept()
if err != nil {
return
}
buf := bufio.NewReader(c)
for {
line, err := buf.ReadString('\n')
if err != nil {
return
}
if line != "info\r\n" {
return
}
fmt.Fprintf(c, "$%d\n", len(testOutput))
c.Write([]byte(testOutput))
}
}()
addr := fmt.Sprintf("disque://%s", l.Addr().String())
r := &Disque{
Servers: []string{addr},
}
var acc testutil.Accumulator
err = r.Gather(&acc)
require.NoError(t, err)
checkInt := []struct {
name string
value uint64
}{
{"uptime", 1452705},
{"clients", 31},
{"blocked_clients", 13},
{"used_memory", 1840104},
{"used_memory_rss", 3227648},
{"used_memory_peak", 89603656},
{"total_connections_received", 5062777},
{"total_commands_processed", 12308396},
{"instantaneous_ops_per_sec", 18},
{"latest_fork_usec", 1644},
{"registered_jobs", 360},
{"registered_queues", 12},
}
for _, c := range checkInt {
assert.True(t, acc.CheckValue(c.name, c.value))
}
checkFloat := []struct {
name string
value float64
}{
{"mem_fragmentation_ratio", 1.75},
{"used_cpu_sys", 19585.73},
{"used_cpu_user", 11255.96},
{"used_cpu_sys_children", 1.75},
{"used_cpu_user_children", 1.91},
}
for _, c := range checkFloat {
assert.True(t, acc.CheckValue(c.name, c.value))
}
}
func TestDisqueCanPullStatsFromMultipleServers(t *testing.T) {
l, err := net.Listen("tcp", ":0")
require.NoError(t, err)
defer l.Close()
go func() {
c, err := l.Accept()
if err != nil {
return
}
buf := bufio.NewReader(c)
for {
line, err := buf.ReadString('\n')
if err != nil {
return
}
if line != "info\r\n" {
return
}
fmt.Fprintf(c, "$%d\n", len(testOutput))
c.Write([]byte(testOutput))
}
}()
addr := fmt.Sprintf("disque://%s", l.Addr().String())
r := &Disque{
Servers: []string{addr},
}
var acc testutil.Accumulator
err = r.Gather(&acc)
require.NoError(t, err)
checkInt := []struct {
name string
value uint64
}{
{"uptime", 1452705},
{"clients", 31},
{"blocked_clients", 13},
{"used_memory", 1840104},
{"used_memory_rss", 3227648},
{"used_memory_peak", 89603656},
{"total_connections_received", 5062777},
{"total_commands_processed", 12308396},
{"instantaneous_ops_per_sec", 18},
{"latest_fork_usec", 1644},
{"registered_jobs", 360},
{"registered_queues", 12},
}
for _, c := range checkInt {
assert.True(t, acc.CheckValue(c.name, c.value))
}
checkFloat := []struct {
name string
value float64
}{
{"mem_fragmentation_ratio", 1.75},
{"used_cpu_sys", 19585.73},
{"used_cpu_user", 11255.96},
{"used_cpu_sys_children", 1.75},
{"used_cpu_user_children", 1.91},
}
for _, c := range checkFloat {
assert.True(t, acc.CheckValue(c.name, c.value))
}
}
const testOutput = `# Server
disque_version:0.0.1
disque_git_sha1:b5247598
disque_git_dirty:0
disque_build_id:379fda78983a60c6
os:Linux 3.13.0-44-generic x86_64
arch_bits:64
multiplexing_api:epoll
gcc_version:4.8.2
process_id:32420
run_id:1cfdfa4c6bc3f285182db5427522a8a4c16e42e4
tcp_port:7711
uptime_in_seconds:1452705
uptime_in_days:16
hz:10
config_file:/usr/local/etc/disque/disque.conf
# Clients
connected_clients:31
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:13
# Memory
used_memory:1840104
used_memory_human:1.75M
used_memory_rss:3227648
used_memory_peak:89603656
used_memory_peak_human:85.45M
mem_fragmentation_ratio:1.75
mem_allocator:jemalloc-3.6.0
# Jobs
registered_jobs:360
# Queues
registered_queues:12
# Persistence
loading:0
aof_enabled:1
aof_state:on
aof_rewrite_in_progress:0
aof_rewrite_scheduled:0
aof_last_rewrite_time_sec:0
aof_current_rewrite_time_sec:-1
aof_last_bgrewrite_status:ok
aof_last_write_status:ok
aof_current_size:41952430
aof_base_size:9808
aof_pending_rewrite:0
aof_buffer_length:0
aof_rewrite_buffer_length:0
aof_pending_bio_fsync:0
aof_delayed_fsync:1
# Stats
total_connections_received:5062777
total_commands_processed:12308396
instantaneous_ops_per_sec:18
total_net_input_bytes:1346996528
total_net_output_bytes:1967551763
instantaneous_input_kbps:1.38
instantaneous_output_kbps:1.78
rejected_connections:0
latest_fork_usec:1644
# CPU
used_cpu_sys:19585.73
used_cpu_user:11255.96
used_cpu_sys_children:1.75
used_cpu_user_children:1.91
`