etcd/client/srv_test.go

103 lines
2.6 KiB
Go

// Copyright 2015 The etcd 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 client
import (
"errors"
"net"
"reflect"
"testing"
)
func TestSRVDiscover(t *testing.T) {
defer func() { lookupSRV = net.LookupSRV }()
tests := []struct {
withSSL []*net.SRV
withoutSSL []*net.SRV
expected []string
}{
{
[]*net.SRV{},
[]*net.SRV{},
[]string{},
},
{
[]*net.SRV{
{Target: "10.0.0.1", Port: 2480},
{Target: "10.0.0.2", Port: 2480},
{Target: "10.0.0.3", Port: 2480},
},
[]*net.SRV{},
[]string{"https://10.0.0.1:2480", "https://10.0.0.2:2480", "https://10.0.0.3:2480"},
},
{
[]*net.SRV{
{Target: "10.0.0.1", Port: 2480},
{Target: "10.0.0.2", Port: 2480},
{Target: "10.0.0.3", Port: 2480},
},
[]*net.SRV{
{Target: "10.0.0.1", Port: 7001},
},
[]string{"https://10.0.0.1:2480", "https://10.0.0.2:2480", "https://10.0.0.3:2480", "http://10.0.0.1:7001"},
},
{
[]*net.SRV{
{Target: "10.0.0.1", Port: 2480},
{Target: "10.0.0.2", Port: 2480},
{Target: "10.0.0.3", Port: 2480},
},
[]*net.SRV{
{Target: "10.0.0.1", Port: 7001},
},
[]string{"https://10.0.0.1:2480", "https://10.0.0.2:2480", "https://10.0.0.3:2480", "http://10.0.0.1:7001"},
},
{
[]*net.SRV{
{Target: "a.example.com", Port: 2480},
{Target: "b.example.com", Port: 2480},
{Target: "c.example.com", Port: 2480},
},
[]*net.SRV{},
[]string{"https://a.example.com:2480", "https://b.example.com:2480", "https://c.example.com:2480"},
},
}
for i, tt := range tests {
lookupSRV = func(service string, proto string, domain string) (string, []*net.SRV, error) {
if service == "etcd-client-ssl" {
return "", tt.withSSL, nil
}
if service == "etcd-client" {
return "", tt.withoutSSL, nil
}
return "", nil, errors.New("Unknown service in mock")
}
d := NewSRVDiscover()
endpoints, err := d.Discover("example.com")
if err != nil {
t.Fatalf("%d: err: %#v", i, err)
}
if !reflect.DeepEqual(endpoints, tt.expected) {
t.Errorf("#%d: endpoints = %v, want %v", i, endpoints, tt.expected)
}
}
}