87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
// Copyright 2014 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package info
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import (
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"testing"
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"time"
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)
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func TestStatsStartTime(t *testing.T) {
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N := 10
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stats := make([]*ContainerStats, 0, N)
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ct := time.Now()
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for i := 0; i < N; i++ {
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s := &ContainerStats{
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Timestamp: ct.Add(time.Duration(i) * time.Second),
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}
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stats = append(stats, s)
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}
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cinfo := &ContainerInfo{
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Name: "/some/container",
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Stats: stats,
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}
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ref := ct.Add(time.Duration(N-1) * time.Second)
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end := cinfo.StatsEndTime()
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if !ref.Equal(end) {
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t.Errorf("end time is %v; should be %v", end, ref)
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}
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}
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func TestStatsEndTime(t *testing.T) {
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N := 10
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stats := make([]*ContainerStats, 0, N)
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ct := time.Now()
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for i := 0; i < N; i++ {
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s := &ContainerStats{
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Timestamp: ct.Add(time.Duration(i) * time.Second),
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}
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stats = append(stats, s)
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}
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cinfo := &ContainerInfo{
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Name: "/some/container",
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Stats: stats,
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}
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ref := ct
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start := cinfo.StatsStartTime()
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if !ref.Equal(start) {
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t.Errorf("start time is %v; should be %v", start, ref)
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}
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}
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func TestPercentiles(t *testing.T) {
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N := 100
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data := make([]uint64, N)
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for i := 0; i < N; i++ {
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data[i] = uint64(i)
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}
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ps := []int{
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80,
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90,
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50,
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}
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ss := uint64Slice(data).Percentiles(ps...)
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for i, s := range ss {
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p := ps[i]
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d := uint64(float64(N) * (float64(p) / 100.0))
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if d != s {
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t.Errorf("%v \\%tile data should be %v, but got %v", float64(p)/100.0, d, s)
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}
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}
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}
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