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add ut for pkg/scheduler/plugins/util/k8s package
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Signed-off-by: googs1025 <googs1025@gmail.com>
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@googs1025
googs1025 committed Apr 14, 2024
1 parent b53d6d8 commit fd6cd8f
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Showing 3 changed files with 274 additions and 1 deletion.
2 changes: 1 addition & 1 deletion pkg/scheduler/plugins/util/k8s/snapshot.go
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Original file line number Diff line number Diff line change
Expand Up @@ -143,5 +143,5 @@ func (s *Snapshot) Get(nodeName string) (*framework.NodeInfo, error) {
}

func (s *Snapshot) IsPVCUsedByPods(key string) bool {
panic("not implemented")
return false
}
213 changes: 213 additions & 0 deletions pkg/scheduler/plugins/util/k8s/snapshot_test.go
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@@ -0,0 +1,213 @@
package k8s

import (
"fmt"
"reflect"
"testing"

v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/scheduler/framework"
)

func TestSnapshot(t *testing.T) {
var (
nodeName = "test-node"
pod1 = &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Namespace: "node_info_cache_test",
Name: "test-1",
UID: types.UID("test-1"),
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceCPU: resource.MustParse("100m"),
v1.ResourceMemory: resource.MustParse("500"),
},
},
Ports: []v1.ContainerPort{
{
HostIP: "127.0.0.1",
HostPort: 80,
Protocol: "TCP",
},
},
},
},
NodeName: nodeName,
},
}
pod2 = &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Namespace: "node_info_cache_test",
Name: "test-2",
UID: types.UID("test-2"),
Labels: map[string]string{"test": "test"},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Resources: v1.ResourceRequirements{
Requests: v1.ResourceList{
v1.ResourceCPU: resource.MustParse("200m"),
v1.ResourceMemory: resource.MustParse("1Ki"),
},
},
Ports: []v1.ContainerPort{
{
HostIP: "127.0.0.1",
HostPort: 8080,
Protocol: "TCP",
},
},
},
},
NodeName: nodeName,
},
}
)

tests := []struct {
name string
nodeInfoMap map[string]*framework.NodeInfo
expectedNodeInfos []*framework.NodeInfo
expectedPods []*v1.Pod
expectErr error
}{
{
name: "test snapshot operation",
nodeInfoMap: map[string]*framework.NodeInfo{nodeName: {
Requested: &framework.Resource{},
NonZeroRequested: &framework.Resource{},
Allocatable: &framework.Resource{},
Generation: 2,
UsedPorts: framework.HostPortInfo{
"127.0.0.1": map[framework.ProtocolPort]struct{}{
{Protocol: "TCP", Port: 80}: {},
{Protocol: "TCP", Port: 8080}: {},
},
},
ImageStates: map[string]*framework.ImageStateSummary{},
PVCRefCounts: map[string]int{},
Pods: []*framework.PodInfo{
{
Pod: pod1,
},
{
Pod: pod2,
},
},
PodsWithAffinity: []*framework.PodInfo{
{
Pod: pod1,
},
{
Pod: pod2,
},
},
PodsWithRequiredAntiAffinity: []*framework.PodInfo{
{
Pod: pod1,
},
{
Pod: pod2,
},
},
}},
expectedNodeInfos: []*framework.NodeInfo{{
Requested: &framework.Resource{},
NonZeroRequested: &framework.Resource{},
Allocatable: &framework.Resource{},
Generation: 2,
UsedPorts: framework.HostPortInfo{
"127.0.0.1": map[framework.ProtocolPort]struct{}{
{Protocol: "TCP", Port: 80}: {},
{Protocol: "TCP", Port: 8080}: {},
},
},
ImageStates: map[string]*framework.ImageStateSummary{},
PVCRefCounts: map[string]int{},
Pods: []*framework.PodInfo{
{
Pod: pod1,
},
{
Pod: pod2,
},
},
PodsWithAffinity: []*framework.PodInfo{
{
Pod: pod1,
},
{
Pod: pod2,
},
},
PodsWithRequiredAntiAffinity: []*framework.PodInfo{
{
Pod: pod1,
},
{
Pod: pod2,
},
},
}},
expectedPods: []*v1.Pod{pod2},
expectErr: fmt.Errorf("nodeinfo not found for node name %q", nodeName),
},
}

for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
snapshot := NewSnapshot(tc.nodeInfoMap)
nodeInfoList, err := snapshot.List()
if !reflect.DeepEqual(nodeInfoList, tc.expectedNodeInfos) || err != nil {
t.Errorf("unexpected list nodeInfos value (+got: %s/-want: %s), err: %s", tc.expectedNodeInfos, nodeInfoList, err)
}

_, err = snapshot.Get(nodeName)
if !reflect.DeepEqual(tc.expectErr, err) {
t.Errorf("unexpected get nodeInfos by nodeName value (+got: %T/-want: %T)", err, tc.expectErr)
}

nodeInfoList, err = snapshot.HavePodsWithAffinityList()
if !reflect.DeepEqual(tc.expectedNodeInfos, nodeInfoList) || err != nil {
t.Errorf("unexpected list HavePodsWithAffinity nodeInfos value (+got: %s/-want: %s), err: %s", nodeInfoList, tc.expectedNodeInfos, err)
}

nodeInfoList, err = snapshot.HavePodsWithRequiredAntiAffinityList()
if !reflect.DeepEqual(tc.expectedNodeInfos, nodeInfoList) || err != nil {
t.Errorf("unexpected list PodsWithRequiredAntiAffinity nodeInfos value (+got: %s/-want: %s), err: %s", nodeInfoList, tc.expectedNodeInfos, err)
}

sel, err := labels.Parse("test==test")
pods, err := snapshot.Pods().List(sel)
if !reflect.DeepEqual(tc.expectedPods, pods) || err != nil {
t.Errorf("unexpected list pods value (+got: %s/-want: %s), err: %s", pods, tc.expectedNodeInfos, err)
}

pods, err = snapshot.Pods().FilteredList(func(pod *v1.Pod) bool {
return true
}, sel)
if !reflect.DeepEqual(tc.expectedPods, pods) || err != nil {
t.Errorf("unexpected list filtered pods value (+got: %s/-want: %s), err: %s", pods, tc.expectedPods, err)
}

nodeInfos, err := snapshot.NodeInfos().List()
if !reflect.DeepEqual(tc.expectedNodeInfos, nodeInfos) || err != nil {
t.Errorf("unexpected list nodeInfos value (+got: %s/-want: %s), err: %s", nodeInfos, tc.expectedNodeInfos, err)
}

getBool := snapshot.StorageInfos().IsPVCUsedByPods("test")
if !reflect.DeepEqual(false, getBool) {
t.Errorf("unexpected get StorageInfos PVCUsed value (+got: %v/-want: %v)", false, getBool)
}
})
}
}
60 changes: 60 additions & 0 deletions pkg/scheduler/plugins/util/nodelock/nodelock_test.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,60 @@
package nodelock

import (
"fmt"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes/fake"
"reflect"
"testing"
"time"
)

func TestLockNode(t *testing.T) {
var (
nodeName = "test-node"
lockName = "test-node-lock"
)

tests := []struct {
name string
expectErr error
node *v1.Node
}{
{
name: "lock node success",
expectErr: nil,
node: &v1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: nodeName,
Annotations: map[string]string{
lockName: time.Now().Add(-time.Minute * 20).Format(time.RFC3339),
},
},
},
},
{
name: "lock node failed",
expectErr: fmt.Errorf("node %s has been locked within 5 minutes", nodeName),
node: &v1.Node{
ObjectMeta: metav1.ObjectMeta{
Name: nodeName,
Annotations: map[string]string{
lockName: time.Now().Add(time.Minute * 20).Format(time.RFC3339),
},
},
},
},
}

for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
fakeClient := fake.NewSimpleClientset(tc.node)
_ = UseClient(fakeClient)
gotErr := LockNode(nodeName, lockName)
if !reflect.DeepEqual(tc.expectErr, gotErr) {
t.Errorf("LockNode error: (+got: %T/-want: %T)", gotErr, tc.expectErr)
}
})
}
}

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