VictoriaMetrics/app/vmagent/prometheusimport/request_handler_test.go
Aliaksandr Valialkin 4b3a207705
app/{vmagent,vminsert}: follow-up for 1cfa183c2b
- Call httpserver.GetQuotedRemoteAddr() and httpserver.GetRequestURI() only when the error occurs.
  This saves CPU time on fast path when there are no parsing errors.
- Create a helper function - httpserver.LogError() - for logging the error with the request uri and remote addr context.
2023-01-23 22:41:08 -08:00

56 lines
1.4 KiB
Go

package prometheusimport
import (
"bytes"
"flag"
"log"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/VictoriaMetrics/VictoriaMetrics/app/vmagent/remotewrite"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
"github.com/VictoriaMetrics/VictoriaMetrics/lib/protoparser/common"
)
var (
srv *httptest.Server
testOutput *bytes.Buffer
)
func TestInsertHandler(t *testing.T) {
setUp()
defer tearDown()
req := httptest.NewRequest("POST", "/insert/0/api/v1/import/prometheus", bytes.NewBufferString(`{"foo":"bar"}
go_memstats_alloc_bytes_total 1`))
if err := InsertHandler(nil, req); err != nil {
t.Errorf("unxepected error %s", err)
}
expectedMsg := "cannot unmarshal Prometheus line"
if !strings.Contains(testOutput.String(), expectedMsg) {
t.Errorf("output %q should contain %q", testOutput.String(), expectedMsg)
}
}
func setUp() {
srv = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
w.WriteHeader(204)
}))
flag.Parse()
remoteWriteFlag := "remoteWrite.url"
if err := flag.Lookup(remoteWriteFlag).Value.Set(srv.URL); err != nil {
log.Fatalf("unable to set %q with value %q, err: %v", remoteWriteFlag, srv.URL, err)
}
logger.Init()
common.StartUnmarshalWorkers()
remotewrite.Init()
testOutput = &bytes.Buffer{}
logger.SetOutputForTests(testOutput)
}
func tearDown() {
common.StopUnmarshalWorkers()
srv.Close()
logger.ResetOutputForTest()
}