add GroupVersion struct

pkg/api/unversioned/group_version_test.go

@@ -0,0 +1,68 @@
+/*
+Copyright 2015 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package unversioned
+
+import (
+	"encoding/json"
+	"reflect"
+	"testing"
+)
+
+type GroupVersionHolder struct {
+	GV GroupAndVersion `json:"val"`
+}
+
+func TestGroupVersionUnmarshalJSON(t *testing.T) {
+	cases := []struct {
+		input  []byte
+		expect GroupAndVersion
+	}{
+		{[]byte(`{"val": "v1"}`), GroupAndVersion{"", "v1"}},
+		{[]byte(`{"val": "extensions/v1beta1"}`), GroupAndVersion{"extensions", "v1beta1"}},
+	}
+
+	for _, c := range cases {
+		var result GroupVersionHolder
+		if err := json.Unmarshal([]byte(c.input), &result); err != nil {
+			t.Errorf("Failed to unmarshal input '%v': %v", c.input, err)
+		}
+		if !reflect.DeepEqual(result.GV, c.expect) {
+			t.Errorf("Failed to unmarshal input '%s': expected %+v, got %+v", c.input, c.expect, result.GV)
+		}
+	}
+}
+
+func TestGroupVersionMarshalJSON(t *testing.T) {
+	cases := []struct {
+		input  GroupAndVersion
+		expect []byte
+	}{
+		{GroupAndVersion{"", "v1"}, []byte(`{"val":"v1"}`)},
+		{GroupAndVersion{"extensions", "v1beta1"}, []byte(`{"val":"extensions/v1beta1"}`)},
+	}
+
+	for _, c := range cases {
+		input := GroupVersionHolder{c.input}
+		result, err := json.Marshal(&input)
+		if err != nil {
+			t.Errorf("Failed to marshal input '%v': %v", input, err)
+		}
+		if !reflect.DeepEqual(result, c.expect) {
+			t.Errorf("Failed to marshal input '%+v': expected: %s, got: %s", input, c.expect, result)
+		}
+	}
+}