github.com/GoogleContainerTools/skaffold/v2@v2.13.2/pkg/diag/validator/statefulset_test.go (about)

     1  /*
     2  Copyright 2021 The Skaffold 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 validator
    18  
    19  import (
    20  	"context"
    21  	"testing"
    22  
    23  	appsv1 "k8s.io/api/apps/v1"
    24  	v1 "k8s.io/api/core/v1"
    25  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    26  	"k8s.io/apimachinery/pkg/runtime"
    27  	"k8s.io/apimachinery/pkg/types"
    28  	fakekubeclientset "k8s.io/client-go/kubernetes/fake"
    29  	appsclient "k8s.io/client-go/kubernetes/typed/apps/v1"
    30  
    31  	"github.com/GoogleContainerTools/skaffold/v2/testutil"
    32  )
    33  
    34  func TestStatefulSetPodsSelector(t *testing.T) {
    35  	tests := []struct {
    36  		description  string
    37  		allPods      []v1.Pod
    38  		expectedPods []v1.Pod
    39  	}{
    40  		{
    41  			description: "pod don't exist in test namespace",
    42  			allPods: []v1.Pod{{
    43  				ObjectMeta: metav1.ObjectMeta{
    44  					Name:            "foo",
    45  					Namespace:       "foo-ns",
    46  					OwnerReferences: []metav1.OwnerReference{{UID: "", Controller: truePtr()}},
    47  				},
    48  				TypeMeta: metav1.TypeMeta{Kind: "Pod"}},
    49  			},
    50  			expectedPods: nil,
    51  		},
    52  		{
    53  			description: "only statefulset pods",
    54  			allPods: []v1.Pod{{
    55  				ObjectMeta: metav1.ObjectMeta{
    56  					Name:            "foo",
    57  					Namespace:       "test",
    58  					OwnerReferences: []metav1.OwnerReference{{UID: "", Controller: truePtr()}},
    59  				},
    60  				TypeMeta: metav1.TypeMeta{Kind: "Pod"},
    61  			}},
    62  			expectedPods: []v1.Pod{{
    63  				ObjectMeta: metav1.ObjectMeta{
    64  					Name:            "foo",
    65  					Namespace:       "test",
    66  					OwnerReferences: []metav1.OwnerReference{{UID: "", Controller: truePtr()}},
    67  				},
    68  				TypeMeta: metav1.TypeMeta{Kind: "Pod"},
    69  			}},
    70  		},
    71  		{
    72  			description: "only standalone pods",
    73  			allPods: []v1.Pod{{
    74  				ObjectMeta: metav1.ObjectMeta{
    75  					Name:      "foo",
    76  					Namespace: "test",
    77  				},
    78  				TypeMeta: metav1.TypeMeta{Kind: "Pod"},
    79  			}},
    80  			expectedPods: nil,
    81  		},
    82  		{
    83  			description: "standalone pods and statefulset pods",
    84  			allPods: []v1.Pod{{
    85  				ObjectMeta: metav1.ObjectMeta{
    86  					Name:      "foo1",
    87  					Namespace: "test",
    88  				},
    89  				TypeMeta: metav1.TypeMeta{Kind: "Pod"},
    90  			}, {
    91  				ObjectMeta: metav1.ObjectMeta{
    92  					Name:            "foo2",
    93  					Namespace:       "test",
    94  					OwnerReferences: []metav1.OwnerReference{{UID: "", Controller: truePtr()}},
    95  				},
    96  				TypeMeta: metav1.TypeMeta{Kind: "Pod"},
    97  			}},
    98  			expectedPods: []v1.Pod{{
    99  				ObjectMeta: metav1.ObjectMeta{
   100  					Name:            "foo2",
   101  					Namespace:       "test",
   102  					OwnerReferences: []metav1.OwnerReference{{UID: "", Controller: truePtr()}},
   103  				},
   104  				TypeMeta: metav1.TypeMeta{Kind: "Pod"},
   105  			}},
   106  		},
   107  	}
   108  
   109  	for _, test := range tests {
   110  		testutil.Run(t, test.description, func(t *testutil.T) {
   111  			t.Override(&getReplicaSet, func(_ *appsv1.Deployment, _ appsclient.AppsV1Interface) ([]*appsv1.ReplicaSet, []*appsv1.ReplicaSet, *appsv1.ReplicaSet, error) {
   112  				return nil, nil, &appsv1.ReplicaSet{
   113  					ObjectMeta: metav1.ObjectMeta{
   114  						UID: types.UID(""),
   115  					},
   116  				}, nil
   117  			})
   118  			var rs []runtime.Object
   119  			for i := range test.allPods {
   120  				p := test.allPods[i]
   121  				rs = append(rs, &p)
   122  			}
   123  			f := fakekubeclientset.NewSimpleClientset(rs...)
   124  			s := NewStatefulSetPodsSelector(f, appsv1.StatefulSet{})
   125  			actualPods, err := s.Select(context.Background(), "test", metav1.ListOptions{})
   126  			t.CheckNoError(err)
   127  			t.CheckDeepEqual(test.expectedPods, actualPods)
   128  		})
   129  	}
   130  }