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Merge pull request #128470 from omerap12/autoscale-unit
kubectl: add test coverage for autoscale command
This commit is contained in:
Kubernetes Prow Robot
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commit
f4d05aad77
298
staging/src/k8s.io/kubectl/pkg/cmd/autoscale/autoscale_test.go
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298
staging/src/k8s.io/kubectl/pkg/cmd/autoscale/autoscale_test.go
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@ -0,0 +1,298 @@
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/*
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Copyright 2024 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 autoscale
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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autoscalingv1 "k8s.io/api/autoscaling/v1"
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"k8s.io/apimachinery/pkg/api/meta"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/utils/ptr"
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)
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type validateTestCase struct {
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name string
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options *AutoscaleOptions
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expectedError error
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}
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func TestAutoscaleValidate(t *testing.T) {
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tests := []validateTestCase{
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{
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name: "valid options",
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options: &AutoscaleOptions{
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Max: 10,
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Min: 1,
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},
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expectedError: nil,
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},
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{
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name: "max less than 1",
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options: &AutoscaleOptions{
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Max: 0,
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Min: 1,
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},
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expectedError: fmt.Errorf("--max=MAXPODS is required and must be at least 1, max: 0"),
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},
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{
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name: "min greater than max",
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options: &AutoscaleOptions{
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Max: 1,
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Min: 2,
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},
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expectedError: fmt.Errorf("--max=MAXPODS must be larger or equal to --min=MINPODS, max: 1, min: 2"),
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},
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{
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name: "zero min replicas",
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options: &AutoscaleOptions{
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Max: 5,
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Min: 0,
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},
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expectedError: nil,
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},
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{
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name: "negative min replicas",
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options: &AutoscaleOptions{
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Max: 5,
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Min: -2,
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},
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expectedError: nil,
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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errorGot := tc.options.Validate()
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assert.Equal(t, tc.expectedError, errorGot)
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})
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}
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}
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type createHorizontalPodAutoscalerTestCase struct {
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name string
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options *AutoscaleOptions
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refName string
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mapping *meta.RESTMapping
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expectedHPA *autoscalingv1.HorizontalPodAutoscaler
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}
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func TestCreateHorizontalPodAutoscaler(t *testing.T) {
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tests := []createHorizontalPodAutoscalerTestCase{
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{
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name: "create with all options",
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options: &AutoscaleOptions{
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Name: "custom-name",
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Max: 10,
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Min: 2,
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CPUPercent: 80,
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},
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refName: "deployment-1",
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mapping: &meta.RESTMapping{
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GroupVersionKind: schema.GroupVersionKind{
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Group: "apps",
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Version: "v1",
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Kind: "Deployment",
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},
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},
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expectedHPA: &autoscalingv1.HorizontalPodAutoscaler{
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ObjectMeta: metav1.ObjectMeta{
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Name: "custom-name",
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},
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Spec: autoscalingv1.HorizontalPodAutoscalerSpec{
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ScaleTargetRef: autoscalingv1.CrossVersionObjectReference{
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APIVersion: "apps/v1",
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Kind: "Deployment",
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Name: "deployment-1",
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},
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MinReplicas: ptr.To(int32(2)),
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MaxReplicas: int32(10),
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TargetCPUUtilizationPercentage: ptr.To(int32(80)),
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},
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},
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},
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{
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name: "create without min replicas",
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options: &AutoscaleOptions{
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Name: "custom-name-2",
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Max: 10,
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Min: -1,
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CPUPercent: 80,
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},
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refName: "deployment-2",
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mapping: &meta.RESTMapping{
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GroupVersionKind: schema.GroupVersionKind{
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Group: "apps",
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Version: "v1",
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Kind: "Deployment",
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},
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},
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expectedHPA: &autoscalingv1.HorizontalPodAutoscaler{
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ObjectMeta: metav1.ObjectMeta{
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Name: "custom-name-2",
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},
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Spec: autoscalingv1.HorizontalPodAutoscalerSpec{
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ScaleTargetRef: autoscalingv1.CrossVersionObjectReference{
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APIVersion: "apps/v1",
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Kind: "Deployment",
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Name: "deployment-2",
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},
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MinReplicas: nil,
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MaxReplicas: int32(10),
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TargetCPUUtilizationPercentage: ptr.To(int32(80)),
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},
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},
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},
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{
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name: "create without max replicas",
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options: &AutoscaleOptions{
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Name: "custom-name-3",
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Max: -1,
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Min: 2,
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CPUPercent: 80,
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},
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refName: "deployment-3",
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mapping: &meta.RESTMapping{
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GroupVersionKind: schema.GroupVersionKind{
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Group: "apps",
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Version: "v1",
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Kind: "Deployment",
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},
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},
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expectedHPA: &autoscalingv1.HorizontalPodAutoscaler{
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ObjectMeta: metav1.ObjectMeta{
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Name: "custom-name-3",
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},
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Spec: autoscalingv1.HorizontalPodAutoscalerSpec{
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ScaleTargetRef: autoscalingv1.CrossVersionObjectReference{
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APIVersion: "apps/v1",
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Kind: "Deployment",
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Name: "deployment-3",
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},
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MinReplicas: ptr.To(int32(2)),
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MaxReplicas: int32(-1),
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TargetCPUUtilizationPercentage: ptr.To(int32(80)),
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},
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},
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},
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{
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name: "create without cpu utilization",
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options: &AutoscaleOptions{
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Name: "custom-name-4",
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Max: 10,
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Min: 2,
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CPUPercent: -1,
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},
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refName: "deployment-4",
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mapping: &meta.RESTMapping{
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GroupVersionKind: schema.GroupVersionKind{
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Group: "apps",
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Version: "v1",
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Kind: "Deployment",
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},
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},
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expectedHPA: &autoscalingv1.HorizontalPodAutoscaler{
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ObjectMeta: metav1.ObjectMeta{
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Name: "custom-name-4",
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},
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Spec: autoscalingv1.HorizontalPodAutoscalerSpec{
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ScaleTargetRef: autoscalingv1.CrossVersionObjectReference{
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APIVersion: "apps/v1",
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Kind: "Deployment",
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Name: "deployment-4",
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},
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MinReplicas: ptr.To(int32(2)),
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MaxReplicas: int32(10),
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TargetCPUUtilizationPercentage: nil,
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},
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},
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},
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{
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name: "create with replicaset reference",
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options: &AutoscaleOptions{
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Name: "replicaset-hpa",
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Max: 5,
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Min: 1,
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CPUPercent: 70,
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},
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refName: "frontend",
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mapping: &meta.RESTMapping{
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GroupVersionKind: schema.GroupVersionKind{
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Group: "apps",
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Version: "v1",
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Kind: "ReplicaSet",
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},
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},
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expectedHPA: &autoscalingv1.HorizontalPodAutoscaler{
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ObjectMeta: metav1.ObjectMeta{
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Name: "replicaset-hpa",
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},
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Spec: autoscalingv1.HorizontalPodAutoscalerSpec{
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ScaleTargetRef: autoscalingv1.CrossVersionObjectReference{
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APIVersion: "apps/v1",
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Kind: "ReplicaSet",
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Name: "frontend",
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},
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MinReplicas: ptr.To(int32(1)),
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MaxReplicas: int32(5),
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TargetCPUUtilizationPercentage: ptr.To(int32(70)),
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},
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},
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},
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{
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name: "create with statefulset reference",
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options: &AutoscaleOptions{
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Name: "statefulset-hpa",
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Max: 8,
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Min: 2,
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CPUPercent: 60,
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},
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refName: "web",
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mapping: &meta.RESTMapping{
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GroupVersionKind: schema.GroupVersionKind{
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Group: "apps",
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Version: "v1",
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Kind: "StatefulSet",
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},
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},
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expectedHPA: &autoscalingv1.HorizontalPodAutoscaler{
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ObjectMeta: metav1.ObjectMeta{
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Name: "statefulset-hpa",
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},
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Spec: autoscalingv1.HorizontalPodAutoscalerSpec{
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ScaleTargetRef: autoscalingv1.CrossVersionObjectReference{
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APIVersion: "apps/v1",
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Kind: "StatefulSet",
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Name: "web",
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},
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MinReplicas: ptr.To(int32(2)),
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MaxReplicas: int32(8),
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TargetCPUUtilizationPercentage: ptr.To(int32(60)),
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},
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},
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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hpa := tc.options.createHorizontalPodAutoscaler(tc.refName, tc.mapping)
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assert.Equal(t, tc.expectedHPA, hpa)
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})
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}
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}
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