// Test that the parser parses kafka messages into points
func TestRunParserAndGather(t *testing.T) {
k, in := NewTestKafka()
defer close(k.done)
go k.parser()
in <- saramaMsg(testMsg)
time.Sleep(time.Millisecond)
acc := testutil.Accumulator{}
k.Gather(&acc)
assert.Equal(t, len(acc.Points), 1)
acc.AssertContainsFields(t, "cpu_load_short",
map[string]interface{}{"value": float64(23422)})
}
func TestExec(t *testing.T) {
e := &Exec{
runner: newRunnerMock([]byte(validJson), nil),
Command: "testcommand arg1",
}
var acc testutil.Accumulator
err := e.Gather(&acc)
require.NoError(t, err)
assert.Equal(t, acc.NFields(), 4, "non-numeric measurements should be ignored")
fields := map[string]interface{}{
"num_processes": float64(82),
"cpu_used": float64(8234),
"cpu_free": float64(32),
"percent": float64(0.81),
}
acc.AssertContainsFields(t, "exec", fields)
}
func TestHTTPApache(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
fmt.Fprintln(w, apacheStatus)
}))
defer ts.Close()
a := Apache{
Urls: []string{ts.URL},
}
var acc testutil.Accumulator
err := a.Gather(&acc)
require.NoError(t, err)
fields := map[string]interface{}{
"TotalAccesses": float64(1.29811861e+08),
"TotalkBytes": float64(5.213701865e+09),
"CPULoad": float64(6.51929),
"Uptime": float64(941553),
"ReqPerSec": float64(137.87),
"BytesPerSec": float64(5.67024e+06),
"BytesPerReq": float64(41127.4),
"BusyWorkers": float64(270),
"IdleWorkers": float64(630),
"ConnsTotal": float64(1451),
"ConnsAsyncWriting": float64(32),
"ConnsAsyncKeepAlive": float64(945),
"ConnsAsyncClosing": float64(205),
"scboard_waiting": float64(630),
"scboard_starting": float64(0),
"scboard_reading": float64(157),
"scboard_sending": float64(113),
"scboard_keepalive": float64(0),
"scboard_dnslookup": float64(0),
"scboard_closing": float64(0),
"scboard_logging": float64(0),
"scboard_finishing": float64(0),
"scboard_idle_cleanup": float64(0),
"scboard_open": float64(2850),
}
acc.AssertContainsFields(t, "apache", fields)
}
func TestTrig(t *testing.T) {
s := &Trig{
Amplitude: 10.0,
}
for i := 0.0; i < 10.0; i++ {
var acc testutil.Accumulator
sine := math.Sin((i*math.Pi)/5.0) * s.Amplitude
cosine := math.Cos((i*math.Pi)/5.0) * s.Amplitude
s.Gather(&acc)
fields := make(map[string]interface{})
fields["sine"] = sine
fields["cosine"] = cosine
acc.AssertContainsFields(t, "trig", fields)
}
}
func TestPrometheusWritePointTag(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
p := &prometheus.Prometheus{
Urls: []string{"http://localhost:9126/metrics"},
}
tags := make(map[string]string)
tags["testtag"] = "testvalue"
pt1, _ := client.NewPoint(
"test_point_3",
tags,
map[string]interface{}{"value": 0.0})
pt2, _ := client.NewPoint(
"test_point_4",
tags,
map[string]interface{}{"value": 1.0})
var points = []*client.Point{
pt1,
pt2,
}
require.NoError(t, pTesting.Write(points))
expected := []struct {
name string
value float64
}{
{"test_point_3", 0.0},
{"test_point_4", 1.0},
}
var acc testutil.Accumulator
require.NoError(t, p.Gather(&acc))
for _, e := range expected {
acc.AssertContainsFields(t, "prometheus_"+e.name,
map[string]interface{}{"value": e.value})
}
}
func TestDisqueCanPullStatsFromMultipleServers(t *testing.T) {
if testing.Short() {
t.Skip("Skipping integration test in short mode")
}
l, err := net.Listen("tcp", "localhost: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)
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),
}
acc.AssertContainsFields(t, "disque", fields)
}