Added UT for options in controller

cmd/controllers/app/options/options_test.go

@@ -0,0 +1,53 @@
+/*
+Copyright 2019 The Volcano 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 options
+
+import (
+	"github.com/spf13/pflag"
+	"reflect"
+	"testing"
+)
+
+func TestAddFlags(t *testing.T) {
+	fs := pflag.NewFlagSet("addflagstest", pflag.ContinueOnError)
+	s := NewServerOption()
+	s.AddFlags(fs)
+
+	args := []string{
+		"--master=127.0.0.1",
+		"--kube-api-burst=200",
+	}
+	fs.Parse(args)
+
+	// This is a snapshot of expected options parsed by args.
+	expected := &ServerOption{
+		Master:       "127.0.0.1",
+		KubeAPIQPS:   defaultQPS,
+		KubeAPIBurst: 200,
+		PrintVersion: false,
+	}
+
+	if !reflect.DeepEqual(expected, s) {
+		t.Errorf("Got different run options than expected.\nGot: %+v\nExpected: %+v\n", s, expected)
+	}
+
+	err := s.CheckOptionOrDie()
+	if err != nil {
+		t.Errorf("expected nil but got %v\n", err)
+	}
+
+}