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nginx_test.go
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nginx_test.go
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package nginx
import (
"log"
"reflect"
"regexp"
"testing"
"time"
"github.com/honeycombio/gonx"
"github.com/honeycombio/honeytail/event"
"github.com/honeycombio/honeytail/httime"
"github.com/honeycombio/honeytail/httime/httimetest"
"github.com/honeycombio/honeytail/parsers"
)
func init() {
fakeNow, err := time.ParseInLocation(commonLogFormatTimeLayout, "02/Jan/2010:12:34:56 -0000", time.UTC)
if err != nil {
log.Fatal(err)
}
httime.DefaultNower = &httimetest.FakeNower{fakeNow}
}
type testLineMaps struct {
line string
trimmedLine string
ev event.Event
}
func TestProcessLines(t *testing.T) {
t1, _ := time.ParseInLocation(commonLogFormatTimeLayout, "08/Oct/2015:00:26:26 -0000", time.UTC)
preReg := &parsers.ExtRegexp{regexp.MustCompile("^.*:..:.. (?P<pre_hostname>[a-zA-Z-.]+): ")}
tlm := []testLineMaps{
{
line: "Nov 05 10:23:45 myhost: https - 10.252.4.24 - - [08/Oct/2015:00:26:26 +0000] 200 174 0.099 a873d74c-4588-4a25-b3ed-77d23fe6275a 17d22fa7-796e-85f6-3d58-2d6e693da860",
trimmedLine: "https - 10.252.4.24 - - [08/Oct/2015:00:26:26 +0000] 200 174 0.099 a873d74c-4588-4a25-b3ed-77d23fe6275a 17d22fa7-796e-85f6-3d58-2d6e693da860",
ev: event.Event{
Timestamp: t1,
Data: map[string]interface{}{
"pre_hostname": "myhost",
"body_bytes_sent": int64(174),
"http_x_forwarded_proto": "https",
"remote_addr": "10.252.4.24",
"request_time": 0.099,
"status": int64(200),
"traceId": "a873d74c-4588-4a25-b3ed-77d23fe6275a",
"id": "17d22fa7-796e-85f6-3d58-2d6e693da860",
},
},
},
}
p := &Parser{
conf: Options{
NumParsers: 5,
},
lineParser: &GonxLineParser{
parser: gonx.NewParser("$http_x_forwarded_proto - $remote_addr - $remote_user [$time_local] $status $body_bytes_sent $request_time $traceId $id"),
},
}
lines := make(chan string)
send := make(chan event.Event)
go func() {
for _, pair := range tlm {
lines <- pair.line
}
close(lines)
}()
go p.ProcessLines(lines, send, preReg)
for _, pair := range tlm {
resp := <-send
if !reflect.DeepEqual(resp, pair.ev) {
t.Fatalf("line resp didn't match up for %s. Expected: %+v, actual: %+v",
pair.line, pair.ev, resp)
}
}
}
func TestProcessLinesNoPreReg(t *testing.T) {
t1, _ := time.ParseInLocation(commonLogFormatTimeLayout, "08/Oct/2015:00:26:26 +0000", time.UTC)
tlm := []testLineMaps{
{
line: "https - 10.252.4.24 - - [08/Oct/2015:00:26:26 +0000] 200 174 0.099",
trimmedLine: "https - 10.252.4.24 - - [08/Oct/2015:00:26:26 +0000] 200 174 0.099",
ev: event.Event{
Timestamp: t1,
Data: map[string]interface{}{
"body_bytes_sent": int64(174),
"http_x_forwarded_proto": "https",
"remote_addr": "10.252.4.24",
"request_time": 0.099,
"status": int64(200),
},
},
},
}
p := &Parser{
conf: Options{
NumParsers: 5,
},
lineParser: &GonxLineParser{
parser: gonx.NewParser("$http_x_forwarded_proto - $remote_addr - $remote_user [$time_local] $status $body_bytes_sent $request_time"),
},
}
lines := make(chan string)
send := make(chan event.Event)
go func() {
for _, pair := range tlm {
lines <- pair.line
}
close(lines)
}()
go p.ProcessLines(lines, send, nil)
for _, pair := range tlm {
resp := <-send
if !reflect.DeepEqual(resp, pair.ev) {
t.Fatalf("line resp didn't match up for %s. Expected: %v, actual: %v",
pair.line, pair.ev.Data, resp.Data)
}
}
}
type typeifyTestCase struct {
untyped map[string]string
typed map[string]interface{}
}
func TestTypeifyParsedLine(t *testing.T) {
tc := typeifyTestCase{
untyped: map[string]string{
"str": "str", // should stay string
"space": "str with space", // should stay string
"ver": "5.1.0", // should stay string
"dash": "-", // should vanish
"float": "4.134", // should become float
"int": "987", // should become int
"negint": "-5", // should become int
},
typed: map[string]interface{}{
"str": "str",
"space": "str with space",
"ver": "5.1.0",
"float": float64(4.134),
"int": int64(987),
"negint": int64(-5),
},
}
res := typeifyParsedLine(tc.untyped)
if !reflect.DeepEqual(res, tc.typed) {
t.Fatalf("Comparison failed. Expected: %v, Actual: %v", tc.typed, res)
}
}
func TestGetTimestamp(t *testing.T) {
t1, _ := time.ParseInLocation(commonLogFormatTimeLayout, "08/Oct/2015:00:26:26 +0000", time.UTC)
t2, _ := time.ParseInLocation(commonLogFormatTimeLayout, "02/Jan/2010:12:34:56 -0000", time.UTC)
userDefinedTimeFormat := "2006-01-02T15:04:05.9999Z"
exampleCustomFormatTimestamp := "2017-07-31T20:40:57.980264Z"
t3, _ := time.ParseInLocation(userDefinedTimeFormat, exampleCustomFormatTimestamp, time.UTC)
t4 := time.Unix(1444263986, 250000000)
msec := 1444263986.25
testCases := []struct {
desc string
conf Options
input map[string]interface{}
postMunge map[string]interface{}
retval time.Time
}{
{
desc: "well formatted time_local",
conf: Options{},
input: map[string]interface{}{
"foo": "bar",
"time_local": "08/Oct/2015:00:26:26 +0000",
},
postMunge: map[string]interface{}{
"foo": "bar",
},
retval: t1,
},
{
desc: "well formatted time_iso",
conf: Options{},
input: map[string]interface{}{
"foo": "bar",
"time_iso8601": "2015-10-08T00:26:26-00:00",
},
postMunge: map[string]interface{}{
"foo": "bar",
},
retval: t1,
},
{
desc: "broken formatted time_local",
conf: Options{},
input: map[string]interface{}{
"foo": "bar",
"time_local": "08aoeu00:26:26 +0000",
},
postMunge: map[string]interface{}{
"foo": "bar",
},
retval: t2,
},
{
desc: "broken formatted time_iso",
conf: Options{},
input: map[string]interface{}{
"foo": "bar",
"time_iso8601": "2015-aoeu00:00",
},
postMunge: map[string]interface{}{
"foo": "bar",
},
retval: t2,
},
{
desc: "non-string formatted time_local",
conf: Options{},
input: map[string]interface{}{
"foo": "bar",
"time_local": 1234,
},
postMunge: map[string]interface{}{
"foo": "bar",
},
retval: t2,
},
{
desc: "non-string formatted time_iso",
conf: Options{},
input: map[string]interface{}{
"foo": "bar",
"time_iso8601": 1234,
},
postMunge: map[string]interface{}{
"foo": "bar",
},
retval: t2,
},
{
desc: "missing time field",
conf: Options{},
input: map[string]interface{}{
"foo": "bar",
},
postMunge: map[string]interface{}{
"foo": "bar",
},
retval: t2,
},
{
desc: "timestamp in user-defined format",
conf: Options{
TimeFieldFormat: userDefinedTimeFormat,
TimeFieldName: "timestamp",
},
input: map[string]interface{}{
"foo": "bar",
"timestamp": exampleCustomFormatTimestamp,
},
postMunge: map[string]interface{}{
"foo": "bar",
},
retval: t3,
},
{
desc: "timestamp in milliseconds",
conf: Options{},
input: map[string]interface{}{
"foo": "bar",
"msec": msec,
},
postMunge: map[string]interface{}{
"foo": "bar",
},
retval: t4,
},
}
for _, tc := range testCases {
parser := &Parser{
conf: tc.conf,
}
res := parser.getTimestamp(tc.input)
if !reflect.DeepEqual(tc.input, tc.postMunge) {
t.Errorf("didn't remove time field in %q: %v", tc.desc, tc.input)
}
if !reflect.DeepEqual(res, tc.retval) {
t.Errorf("got wrong time in %q. expected %v got %v", tc.desc, tc.retval, res)
}
}
}