[tests] de-duplicate framework handle initialization

pkg/framework/plugins/nodeutilization/highnodeutilization_test.go

@@ -25,16 +25,13 @@ import (
 	policy "k8s.io/api/policy/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/informers"
 	"k8s.io/client-go/kubernetes/fake"
 	core "k8s.io/client-go/testing"
-	"k8s.io/client-go/tools/events"
 
 	"sigs.k8s.io/descheduler/pkg/api"
 	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	frameworkfake "sigs.k8s.io/descheduler/pkg/framework/fake"
 	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	frameworktesting "sigs.k8s.io/descheduler/pkg/framework/testing"
 	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
 	"sigs.k8s.io/descheduler/pkg/utils"
 	"sigs.k8s.io/descheduler/test"
@@ -450,20 +447,16 @@ func TestHighNodeUtilization(t *testing.T) {
 			for _, pod := range testCase.pods {
 				objs = append(objs, pod)
 			}
-			fakeClient := fake.NewSimpleClientset(objs...)
-
-			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
-
-			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
-			if err != nil {
-				t.Errorf("Build get pods assigned to node function error: %v", err)
-			}
-
 			podsForEviction := make(map[string]struct{})
 			for _, pod := range testCase.evictedPods {
 				podsForEviction[pod] = struct{}{}
 			}
+			fakeClient := fake.NewSimpleClientset(objs...)
+
+			handle, podEvictor, err := frameworktesting.InitFrameworkHandle(ctx, fakeClient, nil, defaultevictor.DefaultEvictorArgs{NodeFit: true}, nil)
+			if err != nil {
+				t.Fatalf("Unable to initialize a framework handle: %v", err)
+			}
 
 			evictionFailed := false
 			if len(testCase.evictedPods) > 0 {
@@ -481,41 +474,6 @@ func TestHighNodeUtilization(t *testing.T) {
 				})
 			}
 
-			sharedInformerFactory.Start(ctx.Done())
-			sharedInformerFactory.WaitForCacheSync(ctx.Done())
-
-			eventRecorder := &events.FakeRecorder{}
-
-			podEvictor := evictions.NewPodEvictor(fakeClient, eventRecorder, nil)
-
-			defaultevictorArgs := &defaultevictor.DefaultEvictorArgs{
-				EvictLocalStoragePods:   false,
-				EvictSystemCriticalPods: false,
-				IgnorePvcPods:           false,
-				EvictFailedBarePods:     false,
-				NodeFit:                 true,
-			}
-
-			evictorFilter, err := defaultevictor.New(
-				defaultevictorArgs,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-				},
-			)
-			if err != nil {
-				t.Fatalf("Unable to initialize the plugin: %v", err)
-			}
-
-			handle := &frameworkfake.HandleImpl{
-				ClientsetImpl:                 fakeClient,
-				GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-				PodEvictorImpl:                podEvictor,
-				EvictorFilterImpl:             evictorFilter.(frameworktypes.EvictorPlugin),
-				SharedInformerFactoryImpl:     sharedInformerFactory,
-			}
-
 			plugin, err := NewHighNodeUtilization(&HighNodeUtilizationArgs{
 				Thresholds: testCase.thresholds,
 			},
@@ -616,50 +574,16 @@ func TestHighNodeUtilizationWithTaints(t *testing.T) {
 			}
 
 			fakeClient := fake.NewSimpleClientset(objs...)
-			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
 
-			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
-			if err != nil {
-				t.Errorf("Build get pods assigned to node function error: %v", err)
-			}
-
-			sharedInformerFactory.Start(ctx.Done())
-			sharedInformerFactory.WaitForCacheSync(ctx.Done())
-
-			eventRecorder := &events.FakeRecorder{}
-
-			podEvictor := evictions.NewPodEvictor(
+			handle, podEvictor, err := frameworktesting.InitFrameworkHandle(
+				ctx,
 				fakeClient,
-				eventRecorder,
 				evictions.NewOptions().WithMaxPodsToEvictPerNode(&item.evictionsExpected),
-			)
-
-			defaultevictorArgs := &defaultevictor.DefaultEvictorArgs{
-				EvictLocalStoragePods:   false,
-				EvictSystemCriticalPods: false,
-				IgnorePvcPods:           false,
-				EvictFailedBarePods:     false,
-			}
-
-			evictorFilter, err := defaultevictor.New(
-				defaultevictorArgs,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-				},
+				defaultevictor.DefaultEvictorArgs{},
+				nil,
 			)
 			if err != nil {
-				t.Fatalf("Unable to initialize the plugin: %v", err)
-			}
-
-			handle := &frameworkfake.HandleImpl{
-				ClientsetImpl:                 fakeClient,
-				GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-				PodEvictorImpl:                podEvictor,
-				EvictorFilterImpl:             evictorFilter.(frameworktypes.EvictorPlugin),
-				SharedInformerFactoryImpl:     sharedInformerFactory,
+				t.Fatalf("Unable to initialize a framework handle: %v", err)
 			}
 
 			plugin, err := NewHighNodeUtilization(&HighNodeUtilizationArgs{

pkg/framework/plugins/nodeutilization/lownodeutilization_test.go

@@ -22,21 +22,18 @@ import (
 	"testing"
 
 	"sigs.k8s.io/descheduler/pkg/api"
-	frameworkfake "sigs.k8s.io/descheduler/pkg/framework/fake"
 	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	frameworktesting "sigs.k8s.io/descheduler/pkg/framework/testing"
 	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
 
 	v1 "k8s.io/api/core/v1"
 	policy "k8s.io/api/policy/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/informers"
 	"k8s.io/client-go/kubernetes/fake"
 	core "k8s.io/client-go/testing"
-	"k8s.io/client-go/tools/events"
 
 	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
 	"sigs.k8s.io/descheduler/pkg/utils"
 	"sigs.k8s.io/descheduler/test"
 )
@@ -869,14 +866,6 @@ func TestLowNodeUtilization(t *testing.T) {
 			}
 			fakeClient := fake.NewSimpleClientset(objs...)
 
-			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
-
-			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
-			if err != nil {
-				t.Errorf("Build get pods assigned to node function error: %v", err)
-			}
-
 			podsForEviction := make(map[string]struct{})
 			for _, pod := range tc.evictedPods {
 				podsForEviction[pod] = struct{}{}
@@ -898,39 +887,9 @@ func TestLowNodeUtilization(t *testing.T) {
 				})
 			}
 
-			sharedInformerFactory.Start(ctx.Done())
-			sharedInformerFactory.WaitForCacheSync(ctx.Done())
-
-			eventRecorder := &events.FakeRecorder{}
-
-			podEvictor := evictions.NewPodEvictor(fakeClient, eventRecorder, nil)
-
-			defaultEvictorFilterArgs := &defaultevictor.DefaultEvictorArgs{
-				EvictLocalStoragePods:   false,
-				EvictSystemCriticalPods: false,
-				IgnorePvcPods:           false,
-				EvictFailedBarePods:     false,
-				NodeFit:                 true,
-			}
-
-			evictorFilter, err := defaultevictor.New(
-				defaultEvictorFilterArgs,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-				},
-			)
+			handle, podEvictor, err := frameworktesting.InitFrameworkHandle(ctx, fakeClient, nil, defaultevictor.DefaultEvictorArgs{NodeFit: true}, nil)
 			if err != nil {
-				t.Fatalf("Unable to initialize the plugin: %v", err)
-			}
-
-			handle := &frameworkfake.HandleImpl{
-				ClientsetImpl:                 fakeClient,
-				GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-				PodEvictorImpl:                podEvictor,
-				EvictorFilterImpl:             evictorFilter.(frameworktypes.EvictorPlugin),
-				SharedInformerFactoryImpl:     sharedInformerFactory,
+				t.Fatalf("Unable to initialize a framework handle: %v", err)
 			}
 
 			plugin, err := NewLowNodeUtilization(&LowNodeUtilizationArgs{
@@ -1076,51 +1035,16 @@ func TestLowNodeUtilizationWithTaints(t *testing.T) {
 			}
 
 			fakeClient := fake.NewSimpleClientset(objs...)
-			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
 
-			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
-			if err != nil {
-				t.Errorf("Build get pods assigned to node function error: %v", err)
-			}
-
-			sharedInformerFactory.Start(ctx.Done())
-			sharedInformerFactory.WaitForCacheSync(ctx.Done())
-
-			eventRecorder := &events.FakeRecorder{}
-
-			podEvictor := evictions.NewPodEvictor(
+			handle, podEvictor, err := frameworktesting.InitFrameworkHandle(
+				ctx,
 				fakeClient,
-				eventRecorder,
 				evictions.NewOptions().WithMaxPodsToEvictPerNode(&item.evictionsExpected),
-			)
-
-			defaultEvictorFilterArgs := &defaultevictor.DefaultEvictorArgs{
-				EvictLocalStoragePods:   false,
-				EvictSystemCriticalPods: false,
-				IgnorePvcPods:           false,
-				EvictFailedBarePods:     false,
-				NodeFit:                 true,
-			}
-
-			evictorFilter, err := defaultevictor.New(
-				defaultEvictorFilterArgs,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-				},
+				defaultevictor.DefaultEvictorArgs{NodeFit: true},
+				nil,
 			)
 			if err != nil {
-				t.Fatalf("Unable to initialize the plugin: %v", err)
-			}
-
-			handle := &frameworkfake.HandleImpl{
-				ClientsetImpl:                 fakeClient,
-				GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-				PodEvictorImpl:                podEvictor,
-				EvictorFilterImpl:             evictorFilter.(frameworktypes.EvictorPlugin),
-				SharedInformerFactoryImpl:     sharedInformerFactory,
+				t.Fatalf("Unable to initialize a framework handle: %v", err)
 			}
 
 			plugin, err := NewLowNodeUtilization(&LowNodeUtilizationArgs{

pkg/framework/plugins/podlifetime/pod_lifetime_test.go

@@ -24,15 +24,12 @@ import (
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/informers"
 	"k8s.io/client-go/kubernetes/fake"
-	"k8s.io/client-go/tools/events"
 	utilptr "k8s.io/utils/ptr"
 
 	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	frameworkfake "sigs.k8s.io/descheduler/pkg/framework/fake"
 	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	frameworktesting "sigs.k8s.io/descheduler/pkg/framework/testing"
 	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
 	"sigs.k8s.io/descheduler/test"
 )
@@ -632,53 +629,21 @@ func TestPodLifeTime(t *testing.T) {
 			}
 			fakeClient := fake.NewSimpleClientset(objs...)
 
-			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
-
-			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
-			if err != nil {
-				t.Errorf("Build get pods assigned to node function error: %v", err)
-			}
-
-			sharedInformerFactory.Start(ctx.Done())
-			sharedInformerFactory.WaitForCacheSync(ctx.Done())
-
-			eventRecorder := &events.FakeRecorder{}
-
-			podEvictor := evictions.NewPodEvictor(
+			handle, podEvictor, err := frameworktesting.InitFrameworkHandle(
+				ctx,
 				fakeClient,
-				eventRecorder,
 				evictions.NewOptions().
 					WithMaxPodsToEvictPerNode(tc.maxPodsToEvictPerNode).
 					WithMaxPodsToEvictPerNamespace(tc.maxPodsToEvictPerNamespace).
 					WithMaxPodsToEvictTotal(tc.maxPodsToEvictTotal),
-			)
-
-			defaultEvictorFilterArgs := &defaultevictor.DefaultEvictorArgs{
-				EvictLocalStoragePods:   false,
-				EvictSystemCriticalPods: false,
-				IgnorePvcPods:           tc.ignorePvcPods,
-				EvictFailedBarePods:     false,
-			}
-
-			evictorFilter, err := defaultevictor.New(
-				defaultEvictorFilterArgs,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-				},
+				defaultevictor.DefaultEvictorArgs{IgnorePvcPods: tc.ignorePvcPods},
+				nil,
 			)
 			if err != nil {
-				t.Fatalf("Unable to initialize the plugin: %v", err)
+				t.Fatalf("Unable to initialize a framework handle: %v", err)
 			}
 
-			plugin, err := New(tc.args, &frameworkfake.HandleImpl{
-				ClientsetImpl:                 fakeClient,
-				PodEvictorImpl:                podEvictor,
-				EvictorFilterImpl:             evictorFilter.(frameworktypes.EvictorPlugin),
-				GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-			})
+			plugin, err := New(tc.args, handle)
 			if err != nil {
 				t.Fatalf("Unable to initialize the plugin: %v", err)
 			}

pkg/framework/plugins/removeduplicates/removeduplicates_test.go

@@ -20,20 +20,15 @@ import (
 	"context"
 	"testing"
 
-	"k8s.io/client-go/tools/events"
-	frameworkfake "sigs.k8s.io/descheduler/pkg/framework/fake"
-	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
-	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
-
 	v1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/informers"
 	"k8s.io/client-go/kubernetes/fake"
 
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
+	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	frameworktesting "sigs.k8s.io/descheduler/pkg/framework/testing"
+	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
 	"sigs.k8s.io/descheduler/pkg/utils"
 	"sigs.k8s.io/descheduler/test"
 )
@@ -299,46 +294,9 @@ func TestFindDuplicatePods(t *testing.T) {
 			}
 			fakeClient := fake.NewSimpleClientset(objs...)
 
-			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
-
-			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
+			handle, podEvictor, err := frameworktesting.InitFrameworkHandle(ctx, fakeClient, nil, defaultevictor.DefaultEvictorArgs{NodeFit: testCase.nodefit}, nil)
 			if err != nil {
-				t.Errorf("Build get pods assigned to node function error: %v", err)
-			}
-
-			sharedInformerFactory.Start(ctx.Done())
-			sharedInformerFactory.WaitForCacheSync(ctx.Done())
-
-			eventRecorder := &events.FakeRecorder{}
-
-			podEvictor := evictions.NewPodEvictor(fakeClient, eventRecorder, nil)
-
-			nodeFit := testCase.nodefit
-
-			defaultEvictorFilterArgs := &defaultevictor.DefaultEvictorArgs{
-				EvictLocalStoragePods:   false,
-				EvictSystemCriticalPods: false,
-				IgnorePvcPods:           false,
-				EvictFailedBarePods:     false,
-				NodeFit:                 nodeFit,
-			}
-
-			evictorFilter, _ := defaultevictor.New(
-				defaultEvictorFilterArgs,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-				},
-			)
-
-			handle := &frameworkfake.HandleImpl{
-				ClientsetImpl:                 fakeClient,
-				GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-				PodEvictorImpl:                podEvictor,
-				EvictorFilterImpl:             evictorFilter.(frameworktypes.EvictorPlugin),
-				SharedInformerFactoryImpl:     sharedInformerFactory,
+				t.Fatalf("Unable to initialize a framework handle: %v", err)
 			}
 
 			plugin, err := New(&RemoveDuplicatesArgs{
@@ -739,46 +697,9 @@ func TestRemoveDuplicatesUniformly(t *testing.T) {
 			}
 			fakeClient := fake.NewSimpleClientset(objs...)
 
-			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
-
-			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
+			handle, podEvictor, err := frameworktesting.InitFrameworkHandle(ctx, fakeClient, nil, defaultevictor.DefaultEvictorArgs{}, nil)
 			if err != nil {
-				t.Errorf("Build get pods assigned to node function error: %v", err)
-			}
-
-			sharedInformerFactory.Start(ctx.Done())
-			sharedInformerFactory.WaitForCacheSync(ctx.Done())
-
-			eventRecorder := &events.FakeRecorder{}
-
-			podEvictor := evictions.NewPodEvictor(fakeClient, eventRecorder, nil)
-
-			defaultEvictorFilterArgs := &defaultevictor.DefaultEvictorArgs{
-				EvictLocalStoragePods:   false,
-				EvictSystemCriticalPods: false,
-				IgnorePvcPods:           false,
-				EvictFailedBarePods:     false,
-			}
-
-			evictorFilter, err := defaultevictor.New(
-				defaultEvictorFilterArgs,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-				},
-			)
-			if err != nil {
-				t.Fatalf("Unable to initialize the plugin: %v", err)
-			}
-
-			handle := &frameworkfake.HandleImpl{
-				ClientsetImpl:                 fakeClient,
-				GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-				PodEvictorImpl:                podEvictor,
-				EvictorFilterImpl:             evictorFilter.(frameworktypes.EvictorPlugin),
-				SharedInformerFactoryImpl:     sharedInformerFactory,
+				t.Fatalf("Unable to initialize a framework handle: %v", err)
 			}
 
 			plugin, err := New(&RemoveDuplicatesArgs{},

pkg/framework/plugins/removefailedpods/failedpods_test.go

@@ -23,15 +23,11 @@ import (
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/informers"
 	"k8s.io/client-go/kubernetes/fake"
-	"k8s.io/client-go/tools/events"
 	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
 
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	frameworkfake "sigs.k8s.io/descheduler/pkg/framework/fake"
 	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	frameworktesting "sigs.k8s.io/descheduler/pkg/framework/testing"
 	"sigs.k8s.io/descheduler/test"
 )
 
@@ -361,39 +357,9 @@ func TestRemoveFailedPods(t *testing.T) {
 			}
 			fakeClient := fake.NewSimpleClientset(objs...)
 
-			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
-
-			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
+			handle, podEvictor, err := frameworktesting.InitFrameworkHandle(ctx, fakeClient, nil, defaultevictor.DefaultEvictorArgs{NodeFit: tc.nodeFit}, nil)
 			if err != nil {
-				t.Errorf("Build get pods assigned to node function error: %v", err)
-			}
-
-			sharedInformerFactory.Start(ctx.Done())
-			sharedInformerFactory.WaitForCacheSync(ctx.Done())
-
-			eventRecorder := &events.FakeRecorder{}
-
-			podEvictor := evictions.NewPodEvictor(fakeClient, eventRecorder, nil)
-
-			defaultevictorArgs := &defaultevictor.DefaultEvictorArgs{
-				EvictLocalStoragePods:   false,
-				EvictSystemCriticalPods: false,
-				IgnorePvcPods:           false,
-				EvictFailedBarePods:     false,
-				NodeFit:                 tc.nodeFit,
-			}
-
-			evictorFilter, err := defaultevictor.New(
-				defaultevictorArgs,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-				},
-			)
-			if err != nil {
-				t.Fatalf("Unable to initialize the plugin: %v", err)
+				t.Fatalf("Unable to initialize a framework handle: %v", err)
 			}
 
 			plugin, err := New(&RemoveFailedPodsArgs{
@@ -405,13 +371,7 @@ func TestRemoveFailedPods(t *testing.T) {
 				LabelSelector:           tc.args.LabelSelector,
 				Namespaces:              tc.args.Namespaces,
 			},
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					PodEvictorImpl:                podEvictor,
-					EvictorFilterImpl:             evictorFilter.(frameworktypes.EvictorPlugin),
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-				},
+				handle,
 			)
 			if err != nil {
 				t.Fatalf("Unable to initialize the plugin: %v", err)

pkg/framework/plugins/removepodshavingtoomanyrestarts/toomanyrestarts_test.go

@@ -24,14 +24,11 @@ import (
 	v1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/informers"
 	"k8s.io/client-go/kubernetes/fake"
-	"k8s.io/client-go/tools/events"
 
 	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	frameworkfake "sigs.k8s.io/descheduler/pkg/framework/fake"
 	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	frameworktesting "sigs.k8s.io/descheduler/pkg/framework/testing"
 	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
 	"sigs.k8s.io/descheduler/test"
 )
@@ -330,56 +327,22 @@ func TestRemovePodsHavingTooManyRestarts(t *testing.T) {
 			}
 			fakeClient := fake.NewSimpleClientset(objs...)
 
-			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
-
-			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
-			if err != nil {
-				t.Errorf("Build get pods assigned to node function error: %v", err)
-			}
-
-			sharedInformerFactory.Start(ctx.Done())
-			sharedInformerFactory.WaitForCacheSync(ctx.Done())
-
-			eventRecorder := &events.FakeRecorder{}
-
-			podEvictor := evictions.NewPodEvictor(
+			handle, podEvictor, err := frameworktesting.InitFrameworkHandle(
+				ctx,
 				fakeClient,
-				eventRecorder,
 				evictions.NewOptions().
 					WithMaxPodsToEvictPerNode(tc.maxPodsToEvictPerNode).
 					WithMaxPodsToEvictPerNamespace(tc.maxNoOfPodsToEvictPerNamespace),
-			)
-
-			defaultevictorArgs := &defaultevictor.DefaultEvictorArgs{
-				EvictLocalStoragePods:   false,
-				EvictSystemCriticalPods: false,
-				IgnorePvcPods:           false,
-				EvictFailedBarePods:     false,
-				NodeFit:                 tc.nodeFit,
-			}
-
-			evictorFilter, err := defaultevictor.New(
-				defaultevictorArgs,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-				},
+				defaultevictor.DefaultEvictorArgs{NodeFit: tc.nodeFit},
+				nil,
 			)
 			if err != nil {
-				t.Fatalf("Unable to initialize the plugin: %v", err)
+				t.Fatalf("Unable to initialize a framework handle: %v", err)
 			}
 
 			plugin, err := New(
 				&tc.args,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					PodEvictorImpl:                podEvictor,
-					EvictorFilterImpl:             evictorFilter.(frameworktypes.EvictorPlugin),
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-				})
+				handle)
 			if err != nil {
 				t.Fatalf("Unable to initialize the plugin: %v", err)
 			}

pkg/framework/plugins/removepodsviolatinginterpodantiaffinity/pod_antiaffinity_test.go

@@ -23,15 +23,12 @@ import (
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/informers"
 	"k8s.io/client-go/kubernetes/fake"
-	"k8s.io/client-go/tools/events"
-	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
 
 	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	frameworkfake "sigs.k8s.io/descheduler/pkg/framework/fake"
 	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	frameworktesting "sigs.k8s.io/descheduler/pkg/framework/testing"
+	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
 	"sigs.k8s.io/descheduler/pkg/utils"
 	"sigs.k8s.io/descheduler/test"
 )
@@ -228,55 +225,20 @@ func TestPodAntiAffinity(t *testing.T) {
 			}
 			fakeClient := fake.NewSimpleClientset(objs...)
 
-			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
-
-			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
-			if err != nil {
-				t.Errorf("Build get pods assigned to node function error: %v", err)
-			}
-
-			sharedInformerFactory.Start(ctx.Done())
-			sharedInformerFactory.WaitForCacheSync(ctx.Done())
-
-			eventRecorder := &events.FakeRecorder{}
-
-			podEvictor := evictions.NewPodEvictor(
+			handle, podEvictor, err := frameworktesting.InitFrameworkHandle(
+				ctx,
 				fakeClient,
-				eventRecorder,
 				evictions.NewOptions().
 					WithMaxPodsToEvictPerNode(test.maxPodsToEvictPerNode).
 					WithMaxPodsToEvictPerNamespace(test.maxNoOfPodsToEvictPerNamespace).
 					WithMaxPodsToEvictTotal(test.maxNoOfPodsToEvictTotal),
-			)
-
-			defaultevictorArgs := &defaultevictor.DefaultEvictorArgs{
-				EvictLocalStoragePods:   false,
-				EvictSystemCriticalPods: false,
-				IgnorePvcPods:           false,
-				EvictFailedBarePods:     false,
-				NodeFit:                 test.nodeFit,
-			}
-
-			evictorFilter, err := defaultevictor.New(
-				defaultevictorArgs,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-				},
+				defaultevictor.DefaultEvictorArgs{NodeFit: test.nodeFit},
+				nil,
 			)
 			if err != nil {
-				t.Fatalf("Unable to initialize the plugin: %v", err)
+				t.Fatalf("Unable to initialize a framework handle: %v", err)
 			}
 
-			handle := &frameworkfake.HandleImpl{
-				ClientsetImpl:                 fakeClient,
-				GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-				PodEvictorImpl:                podEvictor,
-				SharedInformerFactoryImpl:     sharedInformerFactory,
-				EvictorFilterImpl:             evictorFilter.(frameworktypes.EvictorPlugin),
-			}
 			plugin, err := New(
 				&RemovePodsViolatingInterPodAntiAffinityArgs{},
 				handle,

pkg/framework/plugins/removepodsviolatingnodeaffinity/node_affinity_test.go

@@ -23,15 +23,12 @@ import (
 	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/informers"
 	"k8s.io/client-go/kubernetes/fake"
-	"k8s.io/client-go/tools/events"
-	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
 
 	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	frameworkfake "sigs.k8s.io/descheduler/pkg/framework/fake"
 	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	frameworktesting "sigs.k8s.io/descheduler/pkg/framework/testing"
+	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
 	"sigs.k8s.io/descheduler/test"
 )
 
@@ -357,54 +354,18 @@ func TestRemovePodsViolatingNodeAffinity(t *testing.T) {
 			}
 			fakeClient := fake.NewSimpleClientset(objs...)
 
-			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
-
-			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
-			if err != nil {
-				t.Errorf("Build get pods assigned to node function error: %v", err)
-			}
-
-			sharedInformerFactory.Start(ctx.Done())
-			sharedInformerFactory.WaitForCacheSync(ctx.Done())
-
-			eventRecorder := &events.FakeRecorder{}
-
-			podEvictor := evictions.NewPodEvictor(
+			handle, podEvictor, err := frameworktesting.InitFrameworkHandle(
+				ctx,
 				fakeClient,
-				eventRecorder,
 				evictions.NewOptions().
 					WithMaxPodsToEvictPerNode(tc.maxPodsToEvictPerNode).
 					WithMaxPodsToEvictPerNamespace(tc.maxNoOfPodsToEvictPerNamespace).
 					WithMaxPodsToEvictTotal(tc.maxNoOfPodsToEvictTotal),
-			)
-
-			defaultevictorArgs := &defaultevictor.DefaultEvictorArgs{
-				EvictLocalStoragePods:   false,
-				EvictSystemCriticalPods: false,
-				IgnorePvcPods:           false,
-				EvictFailedBarePods:     false,
-				NodeFit:                 tc.nodefit,
-			}
-
-			evictorFilter, err := defaultevictor.New(
-				defaultevictorArgs,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-				},
+				defaultevictor.DefaultEvictorArgs{NodeFit: tc.nodefit},
+				nil,
 			)
 			if err != nil {
-				t.Fatalf("Unable to initialize the plugin: %v", err)
-			}
-
-			handle := &frameworkfake.HandleImpl{
-				ClientsetImpl:                 fakeClient,
-				GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-				PodEvictorImpl:                podEvictor,
-				SharedInformerFactoryImpl:     sharedInformerFactory,
-				EvictorFilterImpl:             evictorFilter.(frameworktypes.EvictorPlugin),
+				t.Fatalf("Unable to initialize a framework handle: %v", err)
 			}
 
 			plugin, err := New(

pkg/framework/plugins/removepodsviolatingnodetaints/node_taint_test.go

@@ -24,14 +24,11 @@ import (
 	v1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/resource"
 	"k8s.io/apimachinery/pkg/runtime"
-	"k8s.io/client-go/informers"
 	"k8s.io/client-go/kubernetes/fake"
-	"k8s.io/client-go/tools/events"
 
 	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	frameworkfake "sigs.k8s.io/descheduler/pkg/framework/fake"
 	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	frameworktesting "sigs.k8s.io/descheduler/pkg/framework/testing"
 	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
 	"sigs.k8s.io/descheduler/pkg/utils"
 	"sigs.k8s.io/descheduler/test"
@@ -410,54 +407,22 @@ func TestDeletePodsViolatingNodeTaints(t *testing.T) {
 			}
 			fakeClient := fake.NewSimpleClientset(objs...)
 
-			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
-
-			getPodsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
-			if err != nil {
-				t.Errorf("Build get pods assigned to node function error: %v", err)
-			}
-
-			sharedInformerFactory.Start(ctx.Done())
-			sharedInformerFactory.WaitForCacheSync(ctx.Done())
-
-			eventRecorder := &events.FakeRecorder{}
-
-			podEvictor := evictions.NewPodEvictor(
+			handle, podEvictor, err := frameworktesting.InitFrameworkHandle(
+				ctx,
 				fakeClient,
-				eventRecorder,
 				evictions.NewOptions().
 					WithMaxPodsToEvictPerNode(tc.maxPodsToEvictPerNode).
 					WithMaxPodsToEvictPerNamespace(tc.maxNoOfPodsToEvictPerNamespace).
 					WithMaxPodsToEvictTotal(tc.maxNoOfPodsToEvictTotal),
-			)
-
-			defaultevictorArgs := &defaultevictor.DefaultEvictorArgs{
-				EvictLocalStoragePods:   tc.evictLocalStoragePods,
-				EvictSystemCriticalPods: tc.evictSystemCriticalPods,
-				IgnorePvcPods:           false,
-				EvictFailedBarePods:     false,
-				NodeFit:                 tc.nodeFit,
-			}
-
-			evictorFilter, err := defaultevictor.New(
-				defaultevictorArgs,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-					SharedInformerFactoryImpl:     sharedInformerFactory,
+				defaultevictor.DefaultEvictorArgs{
+					EvictLocalStoragePods:   tc.evictLocalStoragePods,
+					EvictSystemCriticalPods: tc.evictSystemCriticalPods,
+					NodeFit:                 tc.nodeFit,
 				},
+				nil,
 			)
 			if err != nil {
-				t.Fatalf("Unable to initialize the plugin: %v", err)
-			}
-
-			handle := &frameworkfake.HandleImpl{
-				ClientsetImpl:                 fakeClient,
-				GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-				PodEvictorImpl:                podEvictor,
-				EvictorFilterImpl:             evictorFilter.(frameworktypes.EvictorPlugin),
-				SharedInformerFactoryImpl:     sharedInformerFactory,
+				t.Fatalf("Unable to initialize a framework handle: %v", err)
 			}
 
 			plugin, err := New(&RemovePodsViolatingNodeTaintsArgs{

pkg/framework/plugins/removepodsviolatingtopologyspreadconstraint/topologyspreadconstraint_test.go

@@ -12,17 +12,13 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/util/sets"
-	"k8s.io/client-go/informers"
 	"k8s.io/client-go/kubernetes/fake"
 	core "k8s.io/client-go/testing"
-	"k8s.io/client-go/tools/events"
 	utilptr "k8s.io/utils/ptr"
 
 	"sigs.k8s.io/descheduler/pkg/api"
-	"sigs.k8s.io/descheduler/pkg/descheduler/evictions"
-	podutil "sigs.k8s.io/descheduler/pkg/descheduler/pod"
-	frameworkfake "sigs.k8s.io/descheduler/pkg/framework/fake"
 	"sigs.k8s.io/descheduler/pkg/framework/plugins/defaultevictor"
+	frameworktesting "sigs.k8s.io/descheduler/pkg/framework/testing"
 	frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
 	"sigs.k8s.io/descheduler/test"
 )
@@ -1419,27 +1415,22 @@ func TestTopologySpreadConstraint(t *testing.T) {
 			objs = append(objs, &v1.Namespace{ObjectMeta: metav1.ObjectMeta{Name: "ns1"}})
 			fakeClient := fake.NewSimpleClientset(objs...)
 
-			sharedInformerFactory := informers.NewSharedInformerFactory(fakeClient, 0)
-			podInformer := sharedInformerFactory.Core().V1().Pods().Informer()
-
-			podsAssignedToNode, err := podutil.BuildGetPodsAssignedToNodeFunc(podInformer)
+			handle, podEvictor, err := frameworktesting.InitFrameworkHandle(
+				ctx,
+				fakeClient,
+				nil,
+				defaultevictor.DefaultEvictorArgs{NodeFit: tc.nodeFit},
+				// workaround to ensure that pods are returned sorted so 'expectedEvictedPods' would work consistently
+				func(pods []*v1.Pod) {
+					sort.Slice(pods, func(i, j int) bool {
+						return pods[i].Name < pods[j].Name
+					})
+				},
+			)
 			if err != nil {
-				t.Errorf("Build get pods assigned to node function error: %v", err)
+				t.Fatalf("Unable to initialize a framework handle: %v", err)
 			}
 
-			// workaround to ensure that pods are returned sorted so 'expectedEvictedPods' would work consistently
-			getPodsAssignedToNode := func(s string, filterFunc podutil.FilterFunc) ([]*v1.Pod, error) {
-				pods, err := podsAssignedToNode(s, filterFunc)
-				sort.Slice(pods, func(i, j int) bool {
-					return pods[i].Name < pods[j].Name
-				})
-
-				return pods, err
-			}
-
-			sharedInformerFactory.Start(ctx.Done())
-			sharedInformerFactory.WaitForCacheSync(ctx.Done())
-
 			var evictedPods []string
 			fakeClient.PrependReactor("create", "pods", func(action core.Action) (bool, runtime.Object, error) {
 				if action.GetSubresource() == "eviction" {
@@ -1454,38 +1445,6 @@ func TestTopologySpreadConstraint(t *testing.T) {
 				return false, nil, nil // fallback to the default reactor
 			})
 
-			eventRecorder := &events.FakeRecorder{}
-
-			podEvictor := evictions.NewPodEvictor(fakeClient, eventRecorder, nil)
-
-			defaultevictorArgs := &defaultevictor.DefaultEvictorArgs{
-				EvictLocalStoragePods:   false,
-				EvictSystemCriticalPods: false,
-				IgnorePvcPods:           false,
-				EvictFailedBarePods:     false,
-				NodeFit:                 tc.nodeFit,
-			}
-
-			evictorFilter, err := defaultevictor.New(
-				defaultevictorArgs,
-				&frameworkfake.HandleImpl{
-					ClientsetImpl:                 fakeClient,
-					GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-					SharedInformerFactoryImpl:     sharedInformerFactory,
-				},
-			)
-			if err != nil {
-				t.Fatalf("Unable to initialize the plugin: %v", err)
-			}
-
-			handle := &frameworkfake.HandleImpl{
-				ClientsetImpl:                 fakeClient,
-				GetPodsAssignedToNodeFuncImpl: getPodsAssignedToNode,
-				PodEvictorImpl:                podEvictor,
-				EvictorFilterImpl:             evictorFilter.(frameworktypes.EvictorPlugin),
-				SharedInformerFactoryImpl:     sharedInformerFactory,
-			}
-
 			SetDefaults_RemovePodsViolatingTopologySpreadConstraintArgs(&tc.args)
 
 			plugin, err := New(