agones.dev/agones@v1.54.0/pkg/util/crd/crd_test.go (about)

     1  // Copyright 2018 Google LLC All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package crd
    16  
    17  import (
    18  	"context"
    19  	"sync"
    20  	"testing"
    21  	"time"
    22  
    23  	"github.com/sirupsen/logrus"
    24  	"github.com/stretchr/testify/assert"
    25  	apiextv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
    26  	extfake "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset/fake"
    27  	"k8s.io/apimachinery/pkg/runtime"
    28  	k8stesting "k8s.io/client-go/testing"
    29  )
    30  
    31  func TestWaitForEstablishedCRD(t *testing.T) {
    32  	t.Parallel()
    33  	crd := &apiextv1.CustomResourceDefinition{
    34  		Status: apiextv1.CustomResourceDefinitionStatus{
    35  			Conditions: []apiextv1.CustomResourceDefinitionCondition{{
    36  				Type:   apiextv1.Established,
    37  				Status: apiextv1.ConditionTrue,
    38  			}},
    39  		},
    40  	}
    41  
    42  	t.Run("CRD already established", func(t *testing.T) {
    43  		extClient := &extfake.Clientset{}
    44  		extClient.AddReactor("get", "customresourcedefinitions", func(_ k8stesting.Action) (bool, runtime.Object, error) {
    45  			return true, crd, nil
    46  		})
    47  
    48  		err := WaitForEstablishedCRD(context.Background(), extClient.ApiextensionsV1().CustomResourceDefinitions(), "test", logrus.WithField("test", "already-established"))
    49  		assert.Nil(t, err)
    50  	})
    51  
    52  	t.Run("CRD takes a second to become established", func(t *testing.T) {
    53  		extClient := &extfake.Clientset{}
    54  		m := sync.RWMutex{}
    55  		established := false
    56  
    57  		extClient.AddReactor("get", "customresourcedefinitions", func(_ k8stesting.Action) (bool, runtime.Object, error) {
    58  			m.RLock()
    59  			defer m.RUnlock()
    60  			if established {
    61  				return true, crd, nil
    62  			}
    63  			return false, nil, nil
    64  		})
    65  
    66  		go func() {
    67  			time.Sleep(3 * time.Second)
    68  			m.Lock()
    69  			defer m.Unlock()
    70  			established = true
    71  		}()
    72  
    73  		err := WaitForEstablishedCRD(context.Background(), extClient.ApiextensionsV1().CustomResourceDefinitions(), "test", logrus.WithField("test", "already-established"))
    74  		assert.Nil(t, err)
    75  	})
    76  }