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85 lines
2.5 KiB
Go
85 lines
2.5 KiB
Go
//go:build linux
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// +build linux
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/*
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Copyright 2025 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package pod
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"k8s.io/apimachinery/pkg/api/resource"
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)
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func TestGetCPULimitCgroupExpectations(t *testing.T) {
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testCases := []struct {
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name string
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cpuLimit *resource.Quantity
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podOnCgroupv2Node bool
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expected []string
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}{
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{
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name: "rounding required, podOnCGroupv2Node=true",
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cpuLimit: resource.NewMilliQuantity(15, resource.DecimalSI),
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podOnCgroupv2Node: true,
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expected: []string{"1500 100000", "2000 100000"},
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},
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{
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name: "rounding not required, podOnCGroupv2Node=true",
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cpuLimit: resource.NewMilliQuantity(20, resource.DecimalSI),
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podOnCgroupv2Node: true,
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expected: []string{"2000 100000"},
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},
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{
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name: "rounding required, podOnCGroupv2Node=false",
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cpuLimit: resource.NewMilliQuantity(15, resource.DecimalSI),
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podOnCgroupv2Node: false,
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expected: []string{"1500", "2000"},
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},
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{
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name: "rounding not required, podOnCGroupv2Node=false",
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cpuLimit: resource.NewMilliQuantity(20, resource.DecimalSI),
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podOnCgroupv2Node: false,
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expected: []string{"2000"},
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},
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{
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name: "cpuQuota=0, podOnCGroupv2Node=true",
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cpuLimit: resource.NewMilliQuantity(0, resource.DecimalSI),
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podOnCgroupv2Node: true,
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expected: []string{"max 100000"},
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},
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{
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name: "cpuQuota=0, podOnCGroupv2Node=false",
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cpuLimit: resource.NewMilliQuantity(0, resource.DecimalSI),
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podOnCgroupv2Node: false,
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expected: []string{"-1"},
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},
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}
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originalPodOnCgroupv2Node := podOnCgroupv2Node
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t.Cleanup(func() { podOnCgroupv2Node = originalPodOnCgroupv2Node })
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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podOnCgroupv2Node = &tc.podOnCgroupv2Node
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actual := GetCPULimitCgroupExpectations(tc.cpuLimit)
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assert.Equal(t, tc.expected, actual)
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})
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}
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}
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