98 lines
2.7 KiB
Go
98 lines
2.7 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 memory
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import (
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"testing"
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"time"
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info "github.com/google/cadvisor/info/v1"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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const containerName = "/container"
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var (
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containerRef = info.ContainerReference{Name: containerName}
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zero time.Time
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)
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// Make stats with the specified identifier.
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func makeStat(i int) *info.ContainerStats {
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return &info.ContainerStats{
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Timestamp: zero.Add(time.Duration(i) * time.Second),
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Cpu: info.CpuStats{
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LoadAverage: int32(i),
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},
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}
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}
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func getRecentStats(t *testing.T, memoryStorage *InMemoryStorage, numStats int) []*info.ContainerStats {
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stats, err := memoryStorage.RecentStats(containerName, zero, zero, numStats)
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require.Nil(t, err)
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return stats
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}
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func TestAddStats(t *testing.T) {
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memoryStorage := New(60, nil)
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assert := assert.New(t)
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assert.Nil(memoryStorage.AddStats(containerRef, makeStat(0)))
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assert.Nil(memoryStorage.AddStats(containerRef, makeStat(1)))
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assert.Nil(memoryStorage.AddStats(containerRef, makeStat(2)))
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assert.Nil(memoryStorage.AddStats(containerRef, makeStat(0)))
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containerRef2 := info.ContainerReference{
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Name: "/container2",
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}
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assert.Nil(memoryStorage.AddStats(containerRef2, makeStat(0)))
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assert.Nil(memoryStorage.AddStats(containerRef2, makeStat(1)))
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}
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func TestRecentStatsNoRecentStats(t *testing.T) {
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memoryStorage := makeWithStats(0)
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_, err := memoryStorage.RecentStats(containerName, zero, zero, 60)
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assert.NotNil(t, err)
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}
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// Make an instance of InMemoryStorage with n stats.
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func makeWithStats(n int) *InMemoryStorage {
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memoryStorage := New(60, nil)
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for i := 0; i < n; i++ {
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memoryStorage.AddStats(containerRef, makeStat(i))
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}
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return memoryStorage
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}
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func TestRecentStatsGetZeroStats(t *testing.T) {
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memoryStorage := makeWithStats(10)
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assert.Len(t, getRecentStats(t, memoryStorage, 0), 0)
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}
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func TestRecentStatsGetSomeStats(t *testing.T) {
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memoryStorage := makeWithStats(10)
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assert.Len(t, getRecentStats(t, memoryStorage, 5), 5)
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}
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func TestRecentStatsGetAllStats(t *testing.T) {
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memoryStorage := makeWithStats(10)
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assert.Len(t, getRecentStats(t, memoryStorage, -1), 10)
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}
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