github.com/enmand/kubernetes@v1.2.0-alpha.0/pkg/watch/json/encoder_test.go (about)

     1  /*
     2  Copyright 2014 The Kubernetes Authors All rights reserved.
     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 json
    18  
    19  import (
    20  	"bytes"
    21  	"io/ioutil"
    22  	"testing"
    23  
    24  	"k8s.io/kubernetes/pkg/api"
    25  	"k8s.io/kubernetes/pkg/api/testapi"
    26  	"k8s.io/kubernetes/pkg/runtime"
    27  	"k8s.io/kubernetes/pkg/watch"
    28  )
    29  
    30  func TestEncodeDecodeRoundTrip(t *testing.T) {
    31  	testCases := []struct {
    32  		Type   watch.EventType
    33  		Object runtime.Object
    34  		Codec  runtime.Codec
    35  	}{
    36  		{
    37  			watch.Added,
    38  			&api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}},
    39  			testapi.Default.Codec(),
    40  		},
    41  		{
    42  			watch.Modified,
    43  			&api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}},
    44  			testapi.Default.Codec(),
    45  		},
    46  		{
    47  			watch.Deleted,
    48  			&api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}},
    49  			testapi.Default.Codec(),
    50  		},
    51  	}
    52  	for i, testCase := range testCases {
    53  		buf := &bytes.Buffer{}
    54  
    55  		encoder := NewEncoder(buf, testCase.Codec)
    56  		if err := encoder.Encode(&watch.Event{Type: testCase.Type, Object: testCase.Object}); err != nil {
    57  			t.Errorf("%d: unexpected error: %v", i, err)
    58  			continue
    59  		}
    60  
    61  		decoder := NewDecoder(ioutil.NopCloser(buf), testCase.Codec)
    62  		event, obj, err := decoder.Decode()
    63  		if err != nil {
    64  			t.Errorf("%d: unexpected error: %v", i, err)
    65  			continue
    66  		}
    67  		if !api.Semantic.DeepDerivative(testCase.Object, obj) {
    68  			t.Errorf("%d: expected %#v, got %#v", i, testCase.Object, obj)
    69  		}
    70  		if event != testCase.Type {
    71  			t.Errorf("%d: unexpected type: %#v", i, event)
    72  		}
    73  	}
    74  }