k8s.io/kubernetes@v1.29.3/pkg/apis/scheduling/v1/defaults_test.go (about)

     1  /*
     2  Copyright 2019 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 v1_test
    18  
    19  import (
    20  	"reflect"
    21  	"testing"
    22  
    23  	apiv1 "k8s.io/api/core/v1"
    24  	v1 "k8s.io/api/scheduling/v1"
    25  	"k8s.io/apimachinery/pkg/runtime"
    26  	"k8s.io/kubernetes/pkg/api/legacyscheme"
    27  
    28  	// ensure types are installed
    29  	_ "k8s.io/kubernetes/pkg/apis/scheduling/install"
    30  )
    31  
    32  func roundTrip(t *testing.T, obj runtime.Object) runtime.Object {
    33  	codec := legacyscheme.Codecs.LegacyCodec(v1.SchemeGroupVersion)
    34  	data, err := runtime.Encode(codec, obj)
    35  	if err != nil {
    36  		t.Errorf("%v\n %#v", err, obj)
    37  		return nil
    38  	}
    39  	obj2, err := runtime.Decode(codec, data)
    40  	if err != nil {
    41  		t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj)
    42  		return nil
    43  	}
    44  	obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object)
    45  	err = legacyscheme.Scheme.Convert(obj2, obj3, nil)
    46  	if err != nil {
    47  		t.Errorf("%v\nSource: %#v", err, obj2)
    48  		return nil
    49  	}
    50  	return obj3
    51  }
    52  
    53  func TestSetDefaultPreemptionPolicy(t *testing.T) {
    54  	priorityClass := &v1.PriorityClass{}
    55  
    56  	output := roundTrip(t, runtime.Object(priorityClass)).(*v1.PriorityClass)
    57  	if output.PreemptionPolicy == nil || *output.PreemptionPolicy != apiv1.PreemptLowerPriority {
    58  		t.Errorf("Expected PriorityClass.PreemptionPolicy value: %+v\ngot: %+v\n", apiv1.PreemptLowerPriority, output.PreemptionPolicy)
    59  	}
    60  }