k8s.io/kubernetes@v1.29.3/pkg/kubelet/apis/podresources/server_v1alpha1_test.go (about)

     1  /*
     2  Copyright 2018 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package podresources
    18  
    19  import (
    20  	"context"
    21  	"testing"
    22  
    23  	"github.com/golang/mock/gomock"
    24  	v1 "k8s.io/api/core/v1"
    25  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    26  	"k8s.io/apimachinery/pkg/types"
    27  	podresourcesv1 "k8s.io/kubelet/pkg/apis/podresources/v1"
    28  	"k8s.io/kubelet/pkg/apis/podresources/v1alpha1"
    29  	podresourcetest "k8s.io/kubernetes/pkg/kubelet/apis/podresources/testing"
    30  )
    31  
    32  func TestListPodResourcesV1alpha1(t *testing.T) {
    33  	podName := "pod-name"
    34  	podNamespace := "pod-namespace"
    35  	podUID := types.UID("pod-uid")
    36  	containerName := "container-name"
    37  
    38  	devs := []*podresourcesv1.ContainerDevices{
    39  		{
    40  			ResourceName: "resource",
    41  			DeviceIds:    []string{"dev0", "dev1"},
    42  		},
    43  	}
    44  
    45  	mockCtrl := gomock.NewController(t)
    46  	defer mockCtrl.Finish()
    47  
    48  	for _, tc := range []struct {
    49  		desc             string
    50  		pods             []*v1.Pod
    51  		devices          []*podresourcesv1.ContainerDevices
    52  		expectedResponse *v1alpha1.ListPodResourcesResponse
    53  	}{
    54  		{
    55  			desc:             "no pods",
    56  			pods:             []*v1.Pod{},
    57  			devices:          []*podresourcesv1.ContainerDevices{},
    58  			expectedResponse: &v1alpha1.ListPodResourcesResponse{},
    59  		},
    60  		{
    61  			desc: "pod without devices",
    62  			pods: []*v1.Pod{
    63  				{
    64  					ObjectMeta: metav1.ObjectMeta{
    65  						Name:      podName,
    66  						Namespace: podNamespace,
    67  						UID:       podUID,
    68  					},
    69  					Spec: v1.PodSpec{
    70  						Containers: []v1.Container{
    71  							{
    72  								Name: containerName,
    73  							},
    74  						},
    75  					},
    76  				},
    77  			},
    78  			devices: []*podresourcesv1.ContainerDevices{},
    79  			expectedResponse: &v1alpha1.ListPodResourcesResponse{
    80  				PodResources: []*v1alpha1.PodResources{
    81  					{
    82  						Name:      podName,
    83  						Namespace: podNamespace,
    84  						Containers: []*v1alpha1.ContainerResources{
    85  							{
    86  								Name:    containerName,
    87  								Devices: []*v1alpha1.ContainerDevices{},
    88  							},
    89  						},
    90  					},
    91  				},
    92  			},
    93  		},
    94  		{
    95  			desc: "pod with devices",
    96  			pods: []*v1.Pod{
    97  				{
    98  					ObjectMeta: metav1.ObjectMeta{
    99  						Name:      podName,
   100  						Namespace: podNamespace,
   101  						UID:       podUID,
   102  					},
   103  					Spec: v1.PodSpec{
   104  						Containers: []v1.Container{
   105  							{
   106  								Name: containerName,
   107  							},
   108  						},
   109  					},
   110  				},
   111  			},
   112  			devices: devs,
   113  			expectedResponse: &v1alpha1.ListPodResourcesResponse{
   114  				PodResources: []*v1alpha1.PodResources{
   115  					{
   116  						Name:      podName,
   117  						Namespace: podNamespace,
   118  						Containers: []*v1alpha1.ContainerResources{
   119  							{
   120  								Name:    containerName,
   121  								Devices: v1DevicesToAlphaV1(devs),
   122  							},
   123  						},
   124  					},
   125  				},
   126  			},
   127  		},
   128  	} {
   129  		t.Run(tc.desc, func(t *testing.T) {
   130  			mockDevicesProvider := podresourcetest.NewMockDevicesProvider(mockCtrl)
   131  			mockPodsProvider := podresourcetest.NewMockPodsProvider(mockCtrl)
   132  
   133  			mockPodsProvider.EXPECT().GetPods().Return(tc.pods).AnyTimes()
   134  			mockDevicesProvider.EXPECT().GetDevices(string(podUID), containerName).Return(tc.devices).AnyTimes()
   135  			mockDevicesProvider.EXPECT().UpdateAllocatedDevices().Return().AnyTimes()
   136  
   137  			providers := PodResourcesProviders{
   138  				Pods:    mockPodsProvider,
   139  				Devices: mockDevicesProvider,
   140  			}
   141  			server := NewV1alpha1PodResourcesServer(providers)
   142  			resp, err := server.List(context.TODO(), &v1alpha1.ListPodResourcesRequest{})
   143  			if err != nil {
   144  				t.Errorf("want err = %v, got %q", nil, err)
   145  			}
   146  			if tc.expectedResponse.String() != resp.String() {
   147  				t.Errorf("want resp = %s, got %s", tc.expectedResponse.String(), resp.String())
   148  			}
   149  		})
   150  	}
   151  }