mirror of
https://github.com/kubernetes-sigs/external-dns.git
synced 2025-08-05 17:16:59 +02:00
146 lines
3.3 KiB
Go
146 lines
3.3 KiB
Go
/*
|
|
Copyright 2018 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 source
|
|
|
|
import (
|
|
"context"
|
|
"encoding/gob"
|
|
"net"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/suite"
|
|
|
|
"sigs.k8s.io/external-dns/endpoint"
|
|
)
|
|
|
|
type ConnectorSuite struct {
|
|
suite.Suite
|
|
}
|
|
|
|
func (suite *ConnectorSuite) SetupTest() {
|
|
}
|
|
|
|
func startServerToServeTargets(t *testing.T, endpoints []*endpoint.Endpoint) net.Listener {
|
|
ln, err := net.Listen("tcp", "localhost:0")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
go func() {
|
|
conn, err := ln.Accept()
|
|
if err != nil {
|
|
ln.Close()
|
|
return
|
|
}
|
|
enc := gob.NewEncoder(conn)
|
|
enc.Encode(endpoints)
|
|
ln.Close()
|
|
}()
|
|
t.Logf("Server listening on %s", ln.Addr().String())
|
|
return ln
|
|
}
|
|
|
|
func TestConnectorSource(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
suite.Run(t, new(ConnectorSuite))
|
|
t.Run("Interface", testConnectorSourceImplementsSource)
|
|
t.Run("Endpoints", testConnectorSourceEndpoints)
|
|
}
|
|
|
|
// testConnectorSourceImplementsSource tests that connectorSource is a valid Source.
|
|
func testConnectorSourceImplementsSource(t *testing.T) {
|
|
assert.Implements(t, (*Source)(nil), new(connectorSource))
|
|
}
|
|
|
|
// testConnectorSourceEndpoints tests that NewConnectorSource doesn't return an error.
|
|
func testConnectorSourceEndpoints(t *testing.T) {
|
|
for _, ti := range []struct {
|
|
title string
|
|
server bool
|
|
expected []*endpoint.Endpoint
|
|
expectError bool
|
|
}{
|
|
{
|
|
title: "invalid remote server",
|
|
server: false,
|
|
expectError: true,
|
|
},
|
|
{
|
|
title: "valid remote server with no endpoints",
|
|
server: true,
|
|
expectError: false,
|
|
},
|
|
{
|
|
title: "valid remote server",
|
|
server: true,
|
|
expected: []*endpoint.Endpoint{
|
|
{
|
|
DNSName: "abc.example.org",
|
|
Targets: endpoint.Targets{"1.2.3.4"},
|
|
RecordType: endpoint.RecordTypeA,
|
|
RecordTTL: 180,
|
|
},
|
|
},
|
|
expectError: false,
|
|
},
|
|
{
|
|
title: "valid remote server with multiple endpoints",
|
|
server: true,
|
|
expected: []*endpoint.Endpoint{
|
|
{
|
|
DNSName: "abc.example.org",
|
|
Targets: endpoint.Targets{"1.2.3.4"},
|
|
RecordType: endpoint.RecordTypeA,
|
|
RecordTTL: 180,
|
|
},
|
|
{
|
|
DNSName: "xyz.example.org",
|
|
Targets: endpoint.Targets{"abc.example.org"},
|
|
RecordType: endpoint.RecordTypeCNAME,
|
|
RecordTTL: 180,
|
|
},
|
|
},
|
|
expectError: false,
|
|
},
|
|
} {
|
|
ti := ti
|
|
t.Run(ti.title, func(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
addr := "localhost:9999"
|
|
if ti.server {
|
|
ln := startServerToServeTargets(t, ti.expected)
|
|
defer ln.Close()
|
|
addr = ln.Addr().String()
|
|
}
|
|
cs, _ := NewConnectorSource(addr)
|
|
|
|
endpoints, err := cs.Endpoints(context.Background())
|
|
if ti.expectError {
|
|
assert.Error(t, err)
|
|
} else {
|
|
assert.NoError(t, err)
|
|
}
|
|
|
|
// Validate returned endpoints against expected endpoints.
|
|
validateEndpoints(t, endpoints, ti.expected)
|
|
})
|
|
}
|
|
}
|