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client_test.go
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client_test.go
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package hec
import (
"crypto/tls"
"encoding/json"
"net/http"
"net/http/httptest"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
const (
testSplunkURL = "http://localhost:8088"
testSplunkToken = "00000000-0000-0000-0000-000000000000"
)
var testHttpClient *http.Client = &http.Client{
Transport: &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
},
Timeout: 100 * time.Millisecond,
}
func jsonEndpoint(t *testing.T) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
failed := false
input := make(map[string]interface{})
j := json.NewDecoder(r.Body)
err := j.Decode(&input)
if err != nil {
t.Errorf("Decoding JSON: %v", err)
failed = true
}
requiredFields := []string{"event"}
allowedFields := map[string]struct{}{
"channel": struct{}{},
"event": struct{}{},
"fields": struct{}{},
"host": struct{}{},
"index": struct{}{},
"source": struct{}{},
"sourcetype": struct{}{},
"time": struct{}{},
}
for _, f := range requiredFields {
if _, ok := input[f]; !ok {
t.Errorf("Required field %q missing in %v", f, input)
}
}
for f := range input {
if _, ok := allowedFields[f]; !ok {
t.Errorf("Unexpected field %q in %v", f, input)
}
}
if failed {
w.WriteHeader(400)
w.Write([]byte(`{"text": "Error processing event", "code": 90}`))
} else {
w.Write([]byte(`{"text":"Success","code":0}`))
}
})
}
func TestHEC_WriteEvent(t *testing.T) {
event := &Event{
Index: String("main"),
Source: String("test-hec-raw"),
SourceType: String("manual"),
Host: String("localhost"),
Time: String("1485237827.123"),
Event: "hello, world",
}
ts := httptest.NewServer(jsonEndpoint(t))
c := NewClient(ts.URL, testSplunkToken)
c.SetHTTPClient(testHttpClient)
err := c.WriteEvent(event)
assert.NoError(t, err)
}
func TestHEC_WriteEventServerFailure(t *testing.T) {
event := &Event{
Index: String("main"),
Source: String("test-hec-raw"),
SourceType: String("manual"),
Host: String("localhost"),
Time: String("1485237827.123"),
Event: "hello, world",
}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(400)
w.Write([]byte(`{"text":"Data channel is missing","code":10}`))
}))
c := NewClient(ts.URL, testSplunkToken)
c.SetHTTPClient(testHttpClient)
err := c.WriteEvent(event)
assert.Error(t, err)
}
func TestHEC_WriteObjectEvent(t *testing.T) {
event := &Event{
Index: String("main"),
Source: String("test-hec-raw"),
SourceType: String("manual"),
Host: String("localhost"),
Time: String("1485237827.123"),
Event: map[string]interface{}{
"str": "hello",
"time": time.Now(),
},
}
ts := httptest.NewServer(jsonEndpoint(t))
c := NewClient(ts.URL, testSplunkToken)
c.SetHTTPClient(testHttpClient)
err := c.WriteEvent(event)
assert.NoError(t, err)
}
func TestHEC_WriteLongEvent(t *testing.T) {
event := &Event{
Index: String("main"),
Source: String("test-hec-raw"),
SourceType: String("manual"),
Host: String("localhost"),
Time: String("1485237827.123"),
Event: "hello, world",
}
ts := httptest.NewServer(jsonEndpoint(t))
c := NewClient(ts.URL, testSplunkToken)
c.SetHTTPClient(testHttpClient)
c.SetMaxContentLength(20) // less than full event
err := c.WriteEvent(event)
assert.NotNil(t, err)
assert.Contains(t, err.Error(), "too long")
}
func TestHEC_WriteEventBatch(t *testing.T) {
events := []*Event{
{Event: "event one"},
{Event: "event two"},
}
ts := httptest.NewServer(jsonEndpoint(t))
c := NewClient(ts.URL, testSplunkToken)
c.SetHTTPClient(testHttpClient)
err := c.WriteBatch(events)
assert.NoError(t, err)
}
func TestHEC_WriteLongEventBatch(t *testing.T) {
events := []*Event{
{Event: "event one"},
{Event: "event two"},
}
ts := httptest.NewServer(jsonEndpoint(t))
c := NewClient(ts.URL, testSplunkToken)
c.SetHTTPClient(testHttpClient)
c.SetMaxContentLength(25)
err := c.WriteBatch(events)
assert.NoError(t, err)
}
func TestHEC_WriteEventRaw(t *testing.T) {
events := `2017-01-24T06:07:10.488Z Raw event one
2017-01-24T06:07:12.434Z Raw event two`
metadata := EventMetadata{
Source: String("test-hec-raw"),
}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(`{"text":"Success","code":0}`))
}))
c := NewClient(ts.URL, testSplunkToken)
c.SetHTTPClient(testHttpClient)
err := c.WriteRaw(strings.NewReader(events), &metadata)
assert.NoError(t, err)
}
func TestHEC_WriteLongEventRaw(t *testing.T) {
events := `2017-01-24T06:07:10.488Z Raw event one
2017-01-24T06:07:12.434Z Raw event two`
metadata := EventMetadata{
Source: String("test-hec-raw"),
}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(`{"text":"Success","code":0}`))
}))
c := NewClient(ts.URL, testSplunkToken)
c.SetMaxContentLength(40)
c.SetHTTPClient(testHttpClient)
err := c.WriteRaw(strings.NewReader(events), &metadata)
assert.NoError(t, err)
}
func TestHEC_WriteRawFailure(t *testing.T) {
events := `2017-01-24T06:07:10.488Z Raw event one
2017-01-24T06:07:12.434Z Raw event two`
metadata := EventMetadata{
Source: String("test-hec-raw"),
}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(400)
w.Write([]byte(`{"text":"Oh no","code":90}`))
}))
c := NewClient(ts.URL, testSplunkToken)
c.SetMaxContentLength(40)
c.SetHTTPClient(testHttpClient)
err := c.WriteRaw(strings.NewReader(events), &metadata)
assert.Error(t, err)
}
func TestBreakStream(t *testing.T) {
text := "This is line A\nThis is line B" // length of every line is 14
getCountFunc := func(counter *int) func(chunk []byte) error {
// returned function adds count of all character except "\n"
return func(chunk []byte) error {
for _, b := range chunk {
if b != '\n' {
*counter++
}
}
return nil
}
}
for _, max := range []int{13, 14, 15, 28, 5, 30} {
var counter int = 0
err := breakStream(strings.NewReader(text), max, getCountFunc(&counter))
assert.NoError(t, err)
assert.Equal(t, 28, counter)
}
}