Remove ExpStorageVersion and Add StorageVersions to APIServer struct

pkg/api/latest/latest_test.go

@@ -0,0 +1,59 @@
+/*
+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 latest
+
+import "testing"
+
+func TestAllPreferredGroupVersions(t *testing.T) {
+	testCases := []struct {
+		groupMetaMap GroupMetaMap
+		expect       string
+	}{
+		{
+			groupMetaMap: GroupMetaMap{
+				"group1": &GroupMeta{
+					GroupVersion: "group1/v1",
+				},
+				"group2": &GroupMeta{
+					GroupVersion: "group2/v2",
+				},
+				"": &GroupMeta{
+					GroupVersion: "v1",
+				},
+			},
+			expect: "group1/v1,group2/v2,v1",
+		},
+		{
+			groupMetaMap: GroupMetaMap{
+				"": &GroupMeta{
+					GroupVersion: "v1",
+				},
+			},
+			expect: "v1",
+		},
+		{
+			groupMetaMap: GroupMetaMap{},
+			expect:       "",
+		},
+	}
+	for _, testCase := range testCases {
+		output := testCase.groupMetaMap.AllPreferredGroupVersions()
+		if testCase.expect != output {
+			t.Errorf("Error. expect: %s, got: %s", testCase.expect, output)
+		}
+	}
+}