k8s.io/kubernetes@v1.29.3/pkg/apis/resource/v1alpha2/defaults_test.go (about)

     1  /*
     2  Copyright 2022 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 v1alpha2_test
    18  
    19  import (
    20  	"reflect"
    21  	"testing"
    22  
    23  	v1alpha2 "k8s.io/api/resource/v1alpha2"
    24  	"k8s.io/apimachinery/pkg/runtime"
    25  
    26  	// ensure types are installed
    27  	"k8s.io/kubernetes/pkg/api/legacyscheme"
    28  	_ "k8s.io/kubernetes/pkg/apis/resource/install"
    29  )
    30  
    31  func TestSetDefaultAllocationMode(t *testing.T) {
    32  	claim := &v1alpha2.ResourceClaim{}
    33  
    34  	// field should be defaulted
    35  	defaultMode := v1alpha2.AllocationModeWaitForFirstConsumer
    36  	output := roundTrip(t, runtime.Object(claim)).(*v1alpha2.ResourceClaim)
    37  	outMode := output.Spec.AllocationMode
    38  	if outMode != defaultMode {
    39  		t.Errorf("Expected AllocationMode to be defaulted to: %+v, got: %+v", defaultMode, outMode)
    40  	}
    41  
    42  	// field should not change
    43  	nonDefaultMode := v1alpha2.AllocationModeImmediate
    44  	claim = &v1alpha2.ResourceClaim{
    45  		Spec: v1alpha2.ResourceClaimSpec{
    46  			AllocationMode: nonDefaultMode,
    47  		},
    48  	}
    49  	output = roundTrip(t, runtime.Object(claim)).(*v1alpha2.ResourceClaim)
    50  	outMode = output.Spec.AllocationMode
    51  	if outMode != v1alpha2.AllocationModeImmediate {
    52  		t.Errorf("Expected AllocationMode to remain %+v, got: %+v", nonDefaultMode, outMode)
    53  	}
    54  }
    55  
    56  func roundTrip(t *testing.T, obj runtime.Object) runtime.Object {
    57  	codec := legacyscheme.Codecs.LegacyCodec(v1alpha2.SchemeGroupVersion)
    58  	data, err := runtime.Encode(codec, obj)
    59  	if err != nil {
    60  		t.Errorf("%v\n %#v", err, obj)
    61  		return nil
    62  	}
    63  	obj2, err := runtime.Decode(codec, data)
    64  	if err != nil {
    65  		t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj)
    66  		return nil
    67  	}
    68  	obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object)
    69  	err = legacyscheme.Scheme.Convert(obj2, obj3, nil)
    70  	if err != nil {
    71  		t.Errorf("%v\nSource: %#v", err, obj2)
    72  		return nil
    73  	}
    74  	return obj3
    75  }