mirror of
https://github.com/k3s-io/kubernetes.git
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372 lines
9.2 KiB
Go
372 lines
9.2 KiB
Go
/*
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Copyright 2015 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 helper
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import (
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"testing"
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"k8s.io/apimachinery/pkg/api/resource"
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"k8s.io/kubernetes/pkg/apis/core"
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)
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func TestSemantic(t *testing.T) {
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table := []struct {
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a, b interface{}
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shouldEqual bool
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}{
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{resource.MustParse("0"), resource.Quantity{}, true},
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{resource.Quantity{}, resource.MustParse("0"), true},
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{resource.Quantity{}, resource.MustParse("1m"), false},
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{
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resource.NewQuantity(5, resource.BinarySI),
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resource.NewQuantity(5, resource.DecimalSI),
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true,
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},
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{resource.MustParse("2m"), resource.MustParse("1m"), false},
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}
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for index, item := range table {
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if e, a := item.shouldEqual, Semantic.DeepEqual(item.a, item.b); e != a {
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t.Errorf("case[%d], expected %v, got %v.", index, e, a)
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}
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}
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}
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func TestIsStandardResource(t *testing.T) {
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testCases := []struct {
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input string
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output bool
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}{
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{"cpu", true},
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{"memory", true},
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{"disk", false},
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{"blah", false},
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{"x.y.z", false},
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{"hugepages-2Mi", true},
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{"requests.hugepages-2Mi", true},
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}
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for i, tc := range testCases {
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if IsStandardResourceName(tc.input) != tc.output {
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t.Errorf("case[%d], input: %s, expected: %t, got: %t", i, tc.input, tc.output, !tc.output)
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}
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}
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}
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func TestIsStandardContainerResource(t *testing.T) {
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testCases := []struct {
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input string
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output bool
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}{
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{"cpu", true},
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{"memory", true},
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{"disk", false},
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{"hugepages-2Mi", true},
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}
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for i, tc := range testCases {
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if IsStandardContainerResourceName(tc.input) != tc.output {
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t.Errorf("case[%d], input: %s, expected: %t, got: %t", i, tc.input, tc.output, !tc.output)
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}
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}
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}
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func TestGetAccessModesFromString(t *testing.T) {
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modes := GetAccessModesFromString("ROX")
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if !ContainsAccessMode(modes, core.ReadOnlyMany) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadOnlyMany, modes)
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}
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modes = GetAccessModesFromString("ROX,RWX")
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if !ContainsAccessMode(modes, core.ReadOnlyMany) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadOnlyMany, modes)
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}
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if !ContainsAccessMode(modes, core.ReadWriteMany) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadWriteMany, modes)
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}
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modes = GetAccessModesFromString("RWO,ROX,RWX")
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if !ContainsAccessMode(modes, core.ReadWriteOnce) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadWriteOnce, modes)
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}
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if !ContainsAccessMode(modes, core.ReadOnlyMany) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadOnlyMany, modes)
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}
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if !ContainsAccessMode(modes, core.ReadWriteMany) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadWriteMany, modes)
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}
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modes = GetAccessModesFromString("RWO,ROX,RWX,RWOP")
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if !ContainsAccessMode(modes, core.ReadWriteOnce) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadWriteOnce, modes)
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}
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if !ContainsAccessMode(modes, core.ReadOnlyMany) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadOnlyMany, modes)
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}
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if !ContainsAccessMode(modes, core.ReadWriteMany) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadWriteMany, modes)
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}
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if !ContainsAccessMode(modes, core.ReadWriteOncePod) {
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t.Errorf("Expected mode %s, but got %+v", core.ReadWriteOncePod, modes)
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}
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}
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func TestRemoveDuplicateAccessModes(t *testing.T) {
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modes := []core.PersistentVolumeAccessMode{
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core.ReadWriteOnce, core.ReadOnlyMany, core.ReadOnlyMany, core.ReadOnlyMany,
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}
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modes = removeDuplicateAccessModes(modes)
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if len(modes) != 2 {
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t.Errorf("Expected 2 distinct modes in set but found %v", len(modes))
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}
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}
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func TestIsHugePageResourceName(t *testing.T) {
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testCases := []struct {
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name core.ResourceName
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result bool
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}{
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{
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name: core.ResourceName("hugepages-2Mi"),
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result: true,
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},
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{
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name: core.ResourceName("hugepages-1Gi"),
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result: true,
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},
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{
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name: core.ResourceName("cpu"),
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result: false,
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},
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{
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name: core.ResourceName("memory"),
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result: false,
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},
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}
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for _, testCase := range testCases {
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if testCase.result != IsHugePageResourceName(testCase.name) {
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t.Errorf("resource: %v expected result: %v", testCase.name, testCase.result)
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}
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}
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}
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func TestIsHugePageResourceValueDivisible(t *testing.T) {
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testCases := []struct {
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name core.ResourceName
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quantity resource.Quantity
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result bool
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}{
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{
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name: core.ResourceName("hugepages-2Mi"),
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quantity: resource.MustParse("4Mi"),
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result: true,
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},
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{
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name: core.ResourceName("hugepages-2Mi"),
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quantity: resource.MustParse("5Mi"),
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result: false,
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},
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{
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name: core.ResourceName("hugepages-1Gi"),
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quantity: resource.MustParse("2Gi"),
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result: true,
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},
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{
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name: core.ResourceName("hugepages-1Gi"),
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quantity: resource.MustParse("2.1Gi"),
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result: false,
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},
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{
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name: core.ResourceName("hugepages-1Mi"),
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quantity: resource.MustParse("2.1Mi"),
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result: false,
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},
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{
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name: core.ResourceName("hugepages-64Ki"),
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quantity: resource.MustParse("128Ki"),
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result: true,
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},
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{
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name: core.ResourceName("hugepages-"),
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quantity: resource.MustParse("128Ki"),
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result: false,
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},
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{
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name: core.ResourceName("hugepages"),
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quantity: resource.MustParse("128Ki"),
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result: false,
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},
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}
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for _, testCase := range testCases {
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if testCase.result != IsHugePageResourceValueDivisible(testCase.name, testCase.quantity) {
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t.Errorf("resource: %v storage:%v expected result: %v", testCase.name, testCase.quantity, testCase.result)
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}
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}
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}
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func TestHugePageResourceName(t *testing.T) {
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testCases := []struct {
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pageSize resource.Quantity
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name core.ResourceName
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}{
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{
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pageSize: resource.MustParse("2Mi"),
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name: core.ResourceName("hugepages-2Mi"),
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},
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{
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pageSize: resource.MustParse("1Gi"),
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name: core.ResourceName("hugepages-1Gi"),
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},
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{
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// verify we do not regress our canonical representation
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pageSize: *resource.NewQuantity(int64(2097152), resource.BinarySI),
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name: core.ResourceName("hugepages-2Mi"),
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},
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}
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for _, testCase := range testCases {
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if result := HugePageResourceName(testCase.pageSize); result != testCase.name {
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t.Errorf("pageSize: %v, expected: %v, but got: %v", testCase.pageSize.String(), testCase.name, result.String())
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}
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}
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}
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func TestHugePageSizeFromResourceName(t *testing.T) {
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testCases := []struct {
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name core.ResourceName
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expectErr bool
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pageSize resource.Quantity
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}{
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{
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name: core.ResourceName("hugepages-2Mi"),
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pageSize: resource.MustParse("2Mi"),
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expectErr: false,
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},
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{
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name: core.ResourceName("hugepages-1Gi"),
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pageSize: resource.MustParse("1Gi"),
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expectErr: false,
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},
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{
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name: core.ResourceName("hugepages-bad"),
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expectErr: true,
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},
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}
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for _, testCase := range testCases {
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value, err := HugePageSizeFromResourceName(testCase.name)
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if testCase.expectErr && err == nil {
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t.Errorf("Expected an error for %v", testCase.name)
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} else if !testCase.expectErr && err != nil {
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t.Errorf("Unexpected error for %v, got %v", testCase.name, err)
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} else if testCase.pageSize.Value() != value.Value() {
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t.Errorf("Unexpected pageSize for resource %v got %v", testCase.name, value.String())
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}
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}
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}
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func TestIsOvercommitAllowed(t *testing.T) {
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testCases := []struct {
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name core.ResourceName
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allowed bool
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}{
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{
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name: core.ResourceCPU,
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allowed: true,
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},
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{
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name: core.ResourceMemory,
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allowed: true,
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},
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{
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name: HugePageResourceName(resource.MustParse("2Mi")),
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allowed: false,
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},
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}
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for _, testCase := range testCases {
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if testCase.allowed != IsOvercommitAllowed(testCase.name) {
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t.Errorf("Unexpected result for %v", testCase.name)
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}
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}
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}
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func TestIsServiceIPSet(t *testing.T) {
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testCases := []struct {
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input core.ServiceSpec
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output bool
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name string
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}{
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{
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name: "nil cluster ip",
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input: core.ServiceSpec{
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ClusterIPs: nil,
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},
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output: false,
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},
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{
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name: "headless service",
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input: core.ServiceSpec{
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ClusterIP: "None",
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ClusterIPs: []string{"None"},
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},
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output: false,
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},
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// true cases
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{
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name: "one ipv4",
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input: core.ServiceSpec{
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ClusterIP: "1.2.3.4",
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ClusterIPs: []string{"1.2.3.4"},
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},
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output: true,
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},
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{
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name: "one ipv6",
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input: core.ServiceSpec{
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ClusterIP: "2001::1",
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ClusterIPs: []string{"2001::1"},
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},
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output: true,
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},
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{
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name: "v4, v6",
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input: core.ServiceSpec{
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ClusterIP: "1.2.3.4",
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ClusterIPs: []string{"1.2.3.4", "2001::1"},
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},
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output: true,
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},
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{
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name: "v6, v4",
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input: core.ServiceSpec{
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ClusterIP: "2001::1",
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ClusterIPs: []string{"2001::1", "1.2.3.4"},
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},
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output: true,
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},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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s := core.Service{
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Spec: tc.input,
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}
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if IsServiceIPSet(&s) != tc.output {
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t.Errorf("case, input: %v, expected: %v, got: %v", tc.input, tc.output, !tc.output)
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}
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})
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}
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}
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