extension_test.go

Documentation: k8s.io/apimachinery/pkg/runtime

     1  /*
     2  Copyright 2014 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 runtime_test
    18  
    19  import (
    20  	"bytes"
    21  	"encoding/json"
    22  	"reflect"
    23  	"testing"
    24  
    25  	"k8s.io/apimachinery/pkg/runtime"
    26  )
    27  
    28  func TestEmbeddedRawExtensionMarshal(t *testing.T) {
    29  	type test struct {
    30  		Ext runtime.RawExtension
    31  	}
    32  
    33  	extension := test{Ext: runtime.RawExtension{Raw: []byte(`{"foo":"bar"}`)}}
    34  	data, err := json.Marshal(extension)
    35  	if err != nil {
    36  		t.Fatalf("unexpected error: %v", err)
    37  	}
    38  	if string(data) != `{"Ext":{"foo":"bar"}}` {
    39  		t.Errorf("unexpected data: %s", string(data))
    40  	}
    41  }
    42  func TestEmbeddedRawExtensionUnmarshal(t *testing.T) {
    43  	type test struct {
    44  		Ext runtime.RawExtension
    45  	}
    46  
    47  	testCases := map[string]struct {
    48  		orig test
    49  	}{
    50  		"non-empty object": {
    51  			orig: test{Ext: runtime.RawExtension{Raw: []byte(`{"foo":"bar"}`)}},
    52  		},
    53  		"empty object": {
    54  			orig: test{Ext: runtime.RawExtension{}},
    55  		},
    56  	}
    57  
    58  	for k, tc := range testCases {
    59  		new := test{}
    60  		data, _ := json.Marshal(tc.orig)
    61  		if err := json.Unmarshal(data, &new); err != nil {
    62  			t.Errorf("%s: umarshal error: %v", k, err)
    63  		}
    64  		if !reflect.DeepEqual(tc.orig, new) {
    65  			t.Errorf("%s: unmarshaled struct differs from original: %v %v", k, tc.orig, new)
    66  		}
    67  	}
    68  }
    69  
    70  func TestEmbeddedRawExtensionRoundTrip(t *testing.T) {
    71  	type test struct {
    72  		Ext runtime.RawExtension
    73  	}
    74  
    75  	testCases := map[string]struct {
    76  		orig test
    77  	}{
    78  		"non-empty object": {
    79  			orig: test{Ext: runtime.RawExtension{Raw: []byte(`{"foo":"bar"}`)}},
    80  		},
    81  		"empty object": {
    82  			orig: test{Ext: runtime.RawExtension{}},
    83  		},
    84  	}
    85  
    86  	for k, tc := range testCases {
    87  		new1 := test{}
    88  		new2 := test{}
    89  		data, err := json.Marshal(tc.orig)
    90  		if err != nil {
    91  			t.Errorf("1st marshal error: %v", err)
    92  		}
    93  		if err = json.Unmarshal(data, &new1); err != nil {
    94  			t.Errorf("1st unmarshal error: %v", err)
    95  		}
    96  		newData, err := json.Marshal(new1)
    97  		if err != nil {
    98  			t.Errorf("2st marshal error: %v", err)
    99  		}
   100  		if err = json.Unmarshal(newData, &new2); err != nil {
   101  			t.Errorf("2nd unmarshal error: %v", err)
   102  		}
   103  		if !bytes.Equal(data, newData) {
   104  			t.Errorf("%s: re-marshaled data differs from original: %v %v", k, data, newData)
   105  		}
   106  		if !reflect.DeepEqual(tc.orig, new1) {
   107  			t.Errorf("%s: unmarshaled struct differs from original: %v %v", k, tc.orig, new1)
   108  		}
   109  		if !reflect.DeepEqual(new1, new2) {
   110  			t.Errorf("%s: re-unmarshaled struct differs from original: %v %v", k, new1, new2)
   111  		}
   112  	}
   113  }
   114
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