Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/pkg/util/metrics/util_test.go

@@ -0,0 +1,83 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+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 metrics
+
+import (
+	"strings"
+	"testing"
+
+	"k8s.io/client-go/util/flowcontrol"
+)
+
+func TestRegisterMetricAndTrackRateLimiterUsage(t *testing.T) {
+	testCases := []struct {
+		ownerName   string
+		rateLimiter flowcontrol.RateLimiter
+		err         string
+	}{
+		{
+			ownerName:   "owner_name",
+			rateLimiter: flowcontrol.NewTokenBucketRateLimiter(1, 1),
+			err:         "",
+		},
+		{
+			ownerName:   "owner_name",
+			rateLimiter: flowcontrol.NewTokenBucketRateLimiter(1, 1),
+			err:         "already registered",
+		},
+		{
+			ownerName:   "invalid-owner-name",
+			rateLimiter: flowcontrol.NewTokenBucketRateLimiter(1, 1),
+			err:         "error registering rate limiter usage metric",
+		},
+	}
+
+	for i, tc := range testCases {
+		e := RegisterMetricAndTrackRateLimiterUsage(tc.ownerName, tc.rateLimiter)
+		if e != nil {
+			if tc.err == "" {
+				t.Errorf("[%d] unexpected error: %v", i, e)
+			} else if !strings.Contains(e.Error(), tc.err) {
+				t.Errorf("[%d] expected an error containing %q: %v", i, tc.err, e)
+			}
+		}
+	}
+}
+
+func TestUnregisterMetricAndUntrackRateLimiterUsage(t *testing.T) {
+	RegisterMetricAndTrackRateLimiterUsage("owner_name", flowcontrol.NewTokenBucketRateLimiter(1, 1))
+	testCases := []struct {
+		ownerName string
+		ok        bool
+	}{
+		{
+			ownerName: "owner_name",
+			ok:        true,
+		},
+		{
+			ownerName: "owner_name",
+			ok:        false,
+		},
+	}
+
+	for i, tc := range testCases {
+		ok := UnregisterMetricAndUntrackRateLimiterUsage(tc.ownerName)
+		if tc.ok != ok {
+			t.Errorf("Case[%d] Expected %v, got %v", i, tc.ok, ok)
+		}
+	}
+}