telegraf/plugins/inputs/disque/disque_test.go

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package disque
import (
"bufio"
"fmt"
"net"
"testing"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/require"
)
func TestDisqueGeneratesMetrics(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
l, err := net.Listen("tcp", "localhost:0")
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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, "$%d\n", len(testOutput))
c.Write([]byte(testOutput))
}
}()
addr := fmt.Sprintf("disque://%s", l.Addr().String())
r := &Disque{
Servers: []string{addr},
}
var acc testutil.Accumulator
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err = acc.GatherError(r.Gather)
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require.NoError(t, err)
fields := map[string]interface{}{
"uptime": uint64(1452705),
"clients": uint64(31),
"blocked_clients": uint64(13),
"used_memory": uint64(1840104),
"used_memory_rss": uint64(3227648),
"used_memory_peak": uint64(89603656),
"total_connections_received": uint64(5062777),
"total_commands_processed": uint64(12308396),
"instantaneous_ops_per_sec": uint64(18),
"latest_fork_usec": uint64(1644),
"registered_jobs": uint64(360),
"registered_queues": uint64(12),
"mem_fragmentation_ratio": float64(1.75),
"used_cpu_sys": float64(19585.73),
"used_cpu_user": float64(11255.96),
"used_cpu_sys_children": float64(1.75),
"used_cpu_user_children": float64(1.91),
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}
acc.AssertContainsFields(t, "disque", fields)
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}
func TestDisqueCanPullStatsFromMultipleServers(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
l, err := net.Listen("tcp", "localhost:0")
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require.NoError(t, err)
defer l.Close()
go func() {
c, err := l.Accept()
if err != nil {
return
}
buf := bufio.NewReader(c)
for {
line, err := buf.ReadString('\n')
if err != nil {
return
}
if line != "info\r\n" {
return
}
fmt.Fprintf(c, "$%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
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err = acc.GatherError(r.Gather)
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require.NoError(t, err)
fields := map[string]interface{}{
"uptime": uint64(1452705),
"clients": uint64(31),
"blocked_clients": uint64(13),
"used_memory": uint64(1840104),
"used_memory_rss": uint64(3227648),
"used_memory_peak": uint64(89603656),
"total_connections_received": uint64(5062777),
"total_commands_processed": uint64(12308396),
"instantaneous_ops_per_sec": uint64(18),
"latest_fork_usec": uint64(1644),
"registered_jobs": uint64(360),
"registered_queues": uint64(12),
"mem_fragmentation_ratio": float64(1.75),
"used_cpu_sys": float64(19585.73),
"used_cpu_user": float64(11255.96),
"used_cpu_sys_children": float64(1.75),
"used_cpu_user_children": float64(1.91),
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}
acc.AssertContainsFields(t, "disque", fields)
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}
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
`