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kubelet: enhance podresources tests
The manual deep comparison code is hard to maintain (would need to be updated in https://github.com/kubernetes/kubernetes/pull/125488) and error prone. In fact, one test case failed when doing a full automatic comparison with cmp.Diff because it wasn't setting allMemory.
This commit is contained in:
Patrick Ohly
parent
b9d00841a6
commit
6604ff94d8
@ -19,10 +19,11 @@ package podresources
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import (
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"context"
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"fmt"
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"reflect"
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"sort"
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"testing"
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"github.com/google/go-cmp/cmp"
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"github.com/google/go-cmp/cmp/cmpopts"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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@ -239,8 +240,8 @@ func TestListPodResourcesV1(t *testing.T) {
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if err != nil {
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t.Errorf("want err = %v, got %q", nil, err)
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}
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if !equalListResponse(tc.expectedResponse, resp) {
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t.Errorf("want resp = %s, got %s", tc.expectedResponse.String(), resp.String())
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if diff := cmp.Diff(tc.expectedResponse, resp, cmpopts.EquateEmpty()); diff != "" {
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t.Fatal(diff)
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}
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})
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}
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@ -541,8 +542,8 @@ func TestListPodResourcesWithInitContainersV1(t *testing.T) {
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if err != nil {
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t.Errorf("want err = %v, got %q", nil, err)
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}
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if !equalListResponse(tc.expectedResponse, resp) {
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t.Errorf("want resp = %s, got %s", tc.expectedResponse.String(), resp.String())
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if diff := cmp.Diff(tc.expectedResponse, resp, cmpopts.EquateEmpty()); diff != "" {
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t.Fatal(diff)
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}
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})
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}
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@ -678,6 +679,7 @@ func TestAllocatableResources(t *testing.T) {
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desc: "no devices, no CPUs, all memory",
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allCPUs: []int64{},
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allDevices: []*podresourcesapi.ContainerDevices{},
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allMemory: allMemory,
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expectedAllocatableResourcesResponse: &podresourcesapi.AllocatableResourcesResponse{
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Memory: allMemory,
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},
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@ -831,8 +833,8 @@ func TestAllocatableResources(t *testing.T) {
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t.Errorf("want err = %v, got %q", nil, err)
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}
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if !equalAllocatableResourcesResponse(tc.expectedAllocatableResourcesResponse, resp) {
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t.Errorf("want resp = %s, got %s", tc.expectedAllocatableResourcesResponse.String(), resp.String())
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if diff := cmp.Diff(tc.expectedAllocatableResourcesResponse, resp, cmpopts.EquateEmpty()); diff != "" {
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t.Fatal(diff)
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}
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})
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}
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@ -1006,8 +1008,8 @@ func TestGetPodResourcesV1(t *testing.T) {
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if err != tc.err {
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t.Errorf("want exit = %v, got %v", tc.err, err)
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} else {
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if !equalGetResponse(tc.expectedResponse, resp) {
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t.Errorf("want resp = %s, got %s", tc.expectedResponse.String(), resp.String())
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if diff := cmp.Diff(tc.expectedResponse, resp, cmpopts.EquateEmpty()); diff != "" {
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t.Fatal(diff)
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}
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}
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}
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@ -1297,185 +1299,9 @@ func TestGetPodResourcesWithInitContainersV1(t *testing.T) {
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if err != nil {
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t.Errorf("want err = %v, got %q", nil, err)
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}
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if !equalGetResponse(tc.expectedResponse, resp) {
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t.Errorf("want resp = %s, got %s", tc.expectedResponse.String(), resp.String())
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if diff := cmp.Diff(tc.expectedResponse, resp, cmpopts.EquateEmpty()); diff != "" {
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t.Fatal(diff)
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}
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})
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}
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}
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func equalListResponse(respA, respB *podresourcesapi.ListPodResourcesResponse) bool {
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if len(respA.PodResources) != len(respB.PodResources) {
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return false
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}
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for idx := 0; idx < len(respA.PodResources); idx++ {
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podResA := respA.PodResources[idx]
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podResB := respB.PodResources[idx]
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if podResA.Name != podResB.Name {
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return false
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}
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if podResA.Namespace != podResB.Namespace {
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return false
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}
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if len(podResA.Containers) != len(podResB.Containers) {
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return false
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}
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for jdx := 0; jdx < len(podResA.Containers); jdx++ {
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cntA := podResA.Containers[jdx]
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cntB := podResB.Containers[jdx]
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if cntA.Name != cntB.Name {
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return false
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}
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if !equalInt64s(cntA.CpuIds, cntB.CpuIds) {
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return false
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}
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if !equalContainerDevices(cntA.Devices, cntB.Devices) {
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return false
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}
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if !equalDynamicResources(cntA.DynamicResources, cntB.DynamicResources) {
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return false
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}
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}
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}
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return true
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}
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func equalDynamicResources(draResA, draResB []*podresourcesapi.DynamicResource) bool {
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if len(draResA) != len(draResB) {
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return false
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}
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for idx := 0; idx < len(draResA); idx++ {
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cntDraResA := draResA[idx]
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cntDraResB := draResB[idx]
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if cntDraResA.ClassName != cntDraResB.ClassName {
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return false
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}
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if cntDraResA.ClaimName != cntDraResB.ClaimName {
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return false
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}
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if cntDraResA.ClaimNamespace != cntDraResB.ClaimNamespace {
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return false
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}
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if len(cntDraResA.ClaimResources) != len(cntDraResB.ClaimResources) {
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return false
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}
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for i := 0; i < len(cntDraResA.ClaimResources); i++ {
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claimResA := cntDraResA.ClaimResources[i]
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claimResB := cntDraResB.ClaimResources[i]
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if len(claimResA.CDIDevices) != len(claimResB.CDIDevices) {
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return false
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}
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for y := 0; y < len(claimResA.CDIDevices); y++ {
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cdiDeviceA := claimResA.CDIDevices[y]
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cdiDeviceB := claimResB.CDIDevices[y]
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if cdiDeviceA.Name != cdiDeviceB.Name {
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return false
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}
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}
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}
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}
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return true
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}
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func equalContainerDevices(devA, devB []*podresourcesapi.ContainerDevices) bool {
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if len(devA) != len(devB) {
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return false
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}
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for idx := 0; idx < len(devA); idx++ {
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cntDevA := devA[idx]
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cntDevB := devB[idx]
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if cntDevA.ResourceName != cntDevB.ResourceName {
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return false
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}
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if !equalTopology(cntDevA.Topology, cntDevB.Topology) {
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return false
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}
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if !equalStrings(cntDevA.DeviceIds, cntDevB.DeviceIds) {
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return false
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}
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}
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return true
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}
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func equalInt64s(a, b []int64) bool {
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if len(a) != len(b) {
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return false
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}
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aCopy := append([]int64{}, a...)
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sort.Slice(aCopy, func(i, j int) bool { return aCopy[i] < aCopy[j] })
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bCopy := append([]int64{}, b...)
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sort.Slice(bCopy, func(i, j int) bool { return bCopy[i] < bCopy[j] })
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return reflect.DeepEqual(aCopy, bCopy)
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}
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func equalStrings(a, b []string) bool {
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if len(a) != len(b) {
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return false
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}
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aCopy := append([]string{}, a...)
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sort.Strings(aCopy)
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bCopy := append([]string{}, b...)
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sort.Strings(bCopy)
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return reflect.DeepEqual(aCopy, bCopy)
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}
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func equalTopology(a, b *podresourcesapi.TopologyInfo) bool {
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if a == nil && b != nil {
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return false
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}
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if a != nil && b == nil {
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return false
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}
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return reflect.DeepEqual(a, b)
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}
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func equalAllocatableResourcesResponse(respA, respB *podresourcesapi.AllocatableResourcesResponse) bool {
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if !equalInt64s(respA.CpuIds, respB.CpuIds) {
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return false
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}
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return equalContainerDevices(respA.Devices, respB.Devices)
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}
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func equalGetResponse(ResA, ResB *podresourcesapi.GetPodResourcesResponse) bool {
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podResA := ResA.PodResources
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podResB := ResB.PodResources
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if podResA.Name != podResB.Name {
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return false
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}
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if podResA.Namespace != podResB.Namespace {
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return false
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}
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if len(podResA.Containers) != len(podResB.Containers) {
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return false
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}
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for jdx := 0; jdx < len(podResA.Containers); jdx++ {
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cntA := podResA.Containers[jdx]
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cntB := podResB.Containers[jdx]
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if cntA.Name != cntB.Name {
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return false
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}
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if !equalInt64s(cntA.CpuIds, cntB.CpuIds) {
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return false
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}
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if !equalContainerDevices(cntA.Devices, cntB.Devices) {
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return false
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}
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if !equalDynamicResources(cntA.DynamicResources, cntB.DynamicResources) {
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return false
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}
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}
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return true
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}
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