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Merge pull request #116932 from my-git9/ut-preemption

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[ut] Increase test coverage for kubelet/pleg
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Kubernetes Prow Robot 2023-10-31 01:22:47 +01:00 committed by GitHub
commit e823b56a0b
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100
pkg/kubelet/pleg/evented_test.go
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@ -18,12 +18,14 @@ package pleg
import (
"fmt"
"reflect"
"strings"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"k8s.io/apimachinery/pkg/types"
"k8s.io/component-base/metrics/testutil"
v1 "k8s.io/cri-api/pkg/apis/runtime/v1"
@ -131,3 +133,101 @@ func testMetric(t *testing.T, expectedMetric string, metricName string) {
t.Fatal(err)
}
}
func TestEventedPLEG_getPodIPs(t *testing.T) {
cache := kubecontainer.NewCache()
type args struct {
pid types.UID
status *kubecontainer.PodStatus
}
tests := []struct {
name string
args args
oldstatus *kubecontainer.PodStatus
expected []string
}{
{
name: "status ips is not empty",
args: args{
pid: "62212",
status: &kubecontainer.PodStatus{
IPs: []string{"10.0.0.10", "10.23.0.1"},
},
},
oldstatus: &kubecontainer.PodStatus{
IPs: []string{"192.168.0.10", "192.168.0.1"},
},
expected: []string{"10.0.0.10", "10.23.0.1"},
},
{
name: "status ips is empty and SandboxStatuses has PodSandboxState_SANDBOX_READY state",
args: args{
pid: "62212",
status: &kubecontainer.PodStatus{
SandboxStatuses: []*v1.PodSandboxStatus{
{
Id: "sandboxID2",
Metadata: &v1.PodSandboxMetadata{Attempt: uint32(1)},
State: v1.PodSandboxState_SANDBOX_READY,
},
{
Id: "sandboxID1",
Metadata: &v1.PodSandboxMetadata{Attempt: uint32(0)},
State: v1.PodSandboxState_SANDBOX_NOTREADY,
},
},
},
},
oldstatus: &kubecontainer.PodStatus{
IPs: []string{"192.168.0.10", "192.168.0.1"},
},
expected: nil,
},
{
name: "status and cache ips are empty",
args: args{
pid: "62212",
status: &kubecontainer.PodStatus{},
},
oldstatus: &kubecontainer.PodStatus{
IPs: []string{},
},
expected: nil,
},
{
name: "sandbox state is no PodSandboxState_SANDBOX_READY",
args: args{
pid: "62212",
status: &kubecontainer.PodStatus{
SandboxStatuses: []*v1.PodSandboxStatus{
{
Id: "sandboxID2",
Metadata: &v1.PodSandboxMetadata{Attempt: uint32(1)},
State: v1.PodSandboxState_SANDBOX_NOTREADY,
},
{
Id: "sandboxID1",
Metadata: &v1.PodSandboxMetadata{Attempt: uint32(0)},
State: v1.PodSandboxState_SANDBOX_NOTREADY,
},
},
},
},
oldstatus: &kubecontainer.PodStatus{
IPs: []string{"192.168.0.10", "192.168.0.1"},
},
expected: []string{"192.168.0.10", "192.168.0.1"},
},
}
for _, test := range tests {
cache.Set(test.args.pid, test.oldstatus, nil, time.Time{})
e := &EventedPLEG{
cache: cache,
}
t.Run(test.name, func(t *testing.T) {
if got := e.getPodIPs(test.args.pid, test.args.status); !reflect.DeepEqual(got, test.expected) {
t.Errorf("EventedPLEG.getPodIPs() = %v, expected %v", got, test.expected)
}
})
}
}