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cloudprober_test.go
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cloudprober_test.go
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// Copyright 2019-2020 The Cloudprober 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 cloudprober
import (
"os"
"testing"
configpb "github.com/google/cloudprober/config/proto"
"google.golang.org/protobuf/proto"
)
func TestGetDefaultServerPort(t *testing.T) {
tests := []struct {
desc string
configPort int32
envVar string
wantPort int
wantErr bool
}{
{
desc: "use port from config",
configPort: 9316,
envVar: "3141",
wantPort: 9316,
},
{
desc: "use default port",
configPort: 0,
envVar: "",
wantPort: DefaultServerPort,
},
{
desc: "use port from env",
configPort: 0,
envVar: "3141",
wantPort: 3141,
},
{
desc: "ignore kubernetes port",
configPort: 0,
envVar: "tcp://100.101.102.103:3141",
wantPort: 9313,
},
{
desc: "error due to bad env var",
configPort: 0,
envVar: "a3141",
wantErr: true,
},
}
for _, test := range tests {
t.Run(test.desc, func(t *testing.T) {
os.Setenv(ServerPortEnvVar, test.envVar)
port, err := getDefaultServerPort(&configpb.ProberConfig{
Port: proto.Int32(test.configPort),
}, nil)
if err != nil {
if !test.wantErr {
t.Errorf("Got unexpected error: %v", err)
} else {
return
}
}
if port != test.wantPort {
t.Errorf("got port: %d, want port: %d", port, test.wantPort)
}
})
}
}