https://github.com/etcd-io/etcd
Tip revision: 61fc123e7a8b14a0a258aa3f5c4159861b1ec2e7 authored by Gyu-Ho Lee on 22 June 2017, 16:47:21 UTC
version: bump up to 3.2.1
version: bump up to 3.2.1
Tip revision: 61fc123
report_test.go
// Copyright 2017 The etcd Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package report
import (
"fmt"
"reflect"
"strings"
"testing"
"time"
)
func TestPercentiles(t *testing.T) {
nums := make([]float64, 100)
nums[99] = 1 // 99-percentile (1 out of 100)
data := percentiles(nums)
if data[len(pctls)-2] != 1 {
t.Fatalf("99-percentile expected 1, got %f", data[len(pctls)-2])
}
nums = make([]float64, 1000)
nums[999] = 1 // 99.9-percentile (1 out of 1000)
data = percentiles(nums)
if data[len(pctls)-1] != 1 {
t.Fatalf("99.9-percentile expected 1, got %f", data[len(pctls)-1])
}
}
func TestReport(t *testing.T) {
r := NewReportSample("%f")
go func() {
start := time.Now()
for i := 0; i < 5; i++ {
end := start.Add(time.Second)
r.Results() <- Result{Start: start, End: end}
start = end
}
r.Results() <- Result{Start: start, End: start.Add(time.Second), Err: fmt.Errorf("oops")}
close(r.Results())
}()
stats := <-r.Stats()
stats.TimeSeries = nil // ignore timeseries since it uses wall clock
wStats := Stats{
AvgTotal: 5.0,
Fastest: 1.0,
Slowest: 1.0,
Average: 1.0,
Stddev: 0.0,
Total: stats.Total,
RPS: 5.0 / stats.Total.Seconds(),
ErrorDist: map[string]int{"oops": 1},
Lats: []float64{1.0, 1.0, 1.0, 1.0, 1.0},
}
if !reflect.DeepEqual(stats, wStats) {
t.Fatalf("got %+v, want %+v", stats, wStats)
}
wstrs := []string{
"Stddev:\t0",
"Average:\t1.0",
"Slowest:\t1.0",
"Fastest:\t1.0",
}
ss := <-r.Run()
for i, ws := range wstrs {
if !strings.Contains(ss, ws) {
t.Errorf("#%d: stats string missing %s", i, ws)
}
}
}
func TestWeightedReport(t *testing.T) {
r := NewWeightedReport(NewReport("%f"), "%f")
go func() {
start := time.Now()
for i := 0; i < 5; i++ {
end := start.Add(time.Second)
r.Results() <- Result{Start: start, End: end, Weight: 2.0}
start = end
}
r.Results() <- Result{Start: start, End: start.Add(time.Second), Err: fmt.Errorf("oops")}
close(r.Results())
}()
stats := <-r.Stats()
stats.TimeSeries = nil // ignore timeseries since it uses wall clock
wStats := Stats{
AvgTotal: 10.0,
Fastest: 0.5,
Slowest: 0.5,
Average: 0.5,
Stddev: 0.0,
Total: stats.Total,
RPS: 10.0 / stats.Total.Seconds(),
ErrorDist: map[string]int{"oops": 1},
Lats: []float64{0.5, 0.5, 0.5, 0.5, 0.5},
}
if !reflect.DeepEqual(stats, wStats) {
t.Fatalf("got %+v, want %+v", stats, wStats)
}
}