mirror of
https://github.com/kubernetes-sigs/external-dns.git
synced 2026-04-07 17:11:00 +02:00
558 lines
15 KiB
Go
558 lines
15 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package testutils
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import (
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"net/netip"
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"reflect"
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"sort"
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"testing"
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log "github.com/sirupsen/logrus"
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"github.com/stretchr/testify/assert"
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"sigs.k8s.io/external-dns/endpoint"
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logtest "sigs.k8s.io/external-dns/internal/testutils/log"
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)
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func TestExampleSameEndpoints(t *testing.T) {
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eps := []*endpoint.Endpoint{
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{
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DNSName: "example.org",
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Targets: endpoint.Targets{"load-balancer.org"},
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},
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{
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DNSName: "example.org",
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Targets: endpoint.Targets{"load-balancer.org"},
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RecordType: endpoint.RecordTypeTXT,
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},
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{
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DNSName: "abc.com",
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Targets: endpoint.Targets{"something"},
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RecordType: endpoint.RecordTypeTXT,
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},
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{
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DNSName: "abc.com",
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Targets: endpoint.Targets{"1.2.3.4"},
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RecordType: endpoint.RecordTypeA,
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SetIdentifier: "test-set-1",
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},
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{
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DNSName: "bbc.com",
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Targets: endpoint.Targets{"foo.com"},
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RecordType: endpoint.RecordTypeCNAME,
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},
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{
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DNSName: "cbc.com",
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Targets: endpoint.Targets{"foo.com"},
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RecordType: "CNAME",
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RecordTTL: endpoint.TTL(60),
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},
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{
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DNSName: "example.org",
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Targets: endpoint.Targets{"load-balancer.org"},
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ProviderSpecific: endpoint.ProviderSpecific{
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endpoint.ProviderSpecificProperty{Name: "foo", Value: "bar"},
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},
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},
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}
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sort.Sort(byAllFields(eps))
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expectedOrder := []string{
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"abc.com",
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"abc.com",
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"bbc.com",
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"cbc.com",
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"example.org",
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"example.org",
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"example.org",
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}
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assert.Len(t, eps, len(expectedOrder))
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for i, ep := range eps {
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assert.Equal(t, expectedOrder[i], ep.DNSName, "endpoint %d should be %s", i, expectedOrder[i])
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}
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}
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func makeEndpoint(DNSName string) *endpoint.Endpoint { // nolint: gocritic // captLocal
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return &endpoint.Endpoint{
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DNSName: DNSName,
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Targets: endpoint.Targets{"target.com"},
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RecordType: "A",
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SetIdentifier: "set1",
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RecordTTL: 300,
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Labels: map[string]string{
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endpoint.OwnerLabelKey: "owner",
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endpoint.ResourceLabelKey: "resource",
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endpoint.OwnedRecordLabelKey: "owned",
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},
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ProviderSpecific: endpoint.ProviderSpecific{
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{Name: "key", Value: "val"},
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},
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}
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}
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func TestSameEndpoint(t *testing.T) {
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tests := []struct {
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name string
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a *endpoint.Endpoint
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b *endpoint.Endpoint
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isSameEndpoint bool
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}{
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{
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name: "DNSName is not equal",
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a: &endpoint.Endpoint{DNSName: "example.org"},
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b: &endpoint.Endpoint{DNSName: "example.com"},
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isSameEndpoint: false,
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},
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{
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name: "All fields are equal",
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a: &endpoint.Endpoint{
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DNSName: "example.org",
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Targets: endpoint.Targets{"lb.example.com"},
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RecordType: "A",
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SetIdentifier: "set-1",
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RecordTTL: 300,
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Labels: map[string]string{
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endpoint.OwnerLabelKey: "owner-1",
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endpoint.ResourceLabelKey: "resource-1",
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endpoint.OwnedRecordLabelKey: "owned-true",
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},
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ProviderSpecific: endpoint.ProviderSpecific{
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{Name: "key1", Value: "val1"},
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},
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},
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b: &endpoint.Endpoint{
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DNSName: "example.org",
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Targets: endpoint.Targets{"lb.example.com"},
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RecordType: "A",
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SetIdentifier: "set-1",
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RecordTTL: 300,
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Labels: map[string]string{
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endpoint.OwnerLabelKey: "owner-1",
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endpoint.ResourceLabelKey: "resource-1",
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endpoint.OwnedRecordLabelKey: "owned-true",
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},
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ProviderSpecific: endpoint.ProviderSpecific{
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{Name: "key1", Value: "val1"},
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},
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},
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isSameEndpoint: true,
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},
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{
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name: "Different Targets",
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a: &endpoint.Endpoint{DNSName: "example.org", Targets: endpoint.Targets{"a.com"}},
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b: &endpoint.Endpoint{DNSName: "example.org", Targets: endpoint.Targets{"b.com"}},
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isSameEndpoint: false,
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},
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{
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name: "Different RecordType",
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a: &endpoint.Endpoint{DNSName: "example.org", RecordType: "A"},
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b: &endpoint.Endpoint{DNSName: "example.org", RecordType: "CNAME"},
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isSameEndpoint: false,
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},
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{
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name: "Different SetIdentifier",
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a: &endpoint.Endpoint{DNSName: "example.org", SetIdentifier: "id1"},
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b: &endpoint.Endpoint{DNSName: "example.org", SetIdentifier: "id2"},
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isSameEndpoint: false,
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},
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{
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name: "Different OwnerLabelKey",
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a: &endpoint.Endpoint{
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DNSName: "example.org",
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Labels: map[string]string{
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endpoint.OwnerLabelKey: "owner1",
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},
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},
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b: &endpoint.Endpoint{
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DNSName: "example.org",
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Labels: map[string]string{
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endpoint.OwnerLabelKey: "owner2",
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},
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},
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isSameEndpoint: false,
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},
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{
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name: "Different RecordTTL",
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a: &endpoint.Endpoint{DNSName: "example.org", RecordTTL: 300},
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b: &endpoint.Endpoint{DNSName: "example.org", RecordTTL: 400},
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isSameEndpoint: false,
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},
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{
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name: "Different ProviderSpecific",
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a: &endpoint.Endpoint{
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DNSName: "example.org",
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ProviderSpecific: endpoint.ProviderSpecific{
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{Name: "key1", Value: "val1"},
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},
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},
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b: &endpoint.Endpoint{
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DNSName: "example.org",
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ProviderSpecific: endpoint.ProviderSpecific{
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{Name: "key1", Value: "val2"},
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},
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},
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isSameEndpoint: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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isSameEndpoint := SameEndpoint(tt.a, tt.b)
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assert.Equal(t, tt.isSameEndpoint, isSameEndpoint)
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})
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}
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}
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func TestSameEndpoints(t *testing.T) {
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tests := []struct {
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name string
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a, b []*endpoint.Endpoint
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want bool
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}{
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{
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name: "Both slices nil",
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a: nil,
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b: nil,
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want: true,
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},
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{
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name: "One nil, one empty",
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a: []*endpoint.Endpoint{},
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b: nil,
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want: true,
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},
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{
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name: "Different lengths",
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a: []*endpoint.Endpoint{makeEndpoint("a.com")},
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b: []*endpoint.Endpoint{},
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want: false,
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},
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{
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name: "Same endpoints in same order",
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a: []*endpoint.Endpoint{makeEndpoint("a.com"), makeEndpoint("b.com")},
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b: []*endpoint.Endpoint{makeEndpoint("a.com"), makeEndpoint("b.com")},
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want: true,
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},
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{
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name: "Same endpoints in different order",
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a: []*endpoint.Endpoint{makeEndpoint("b.com"), makeEndpoint("a.com")},
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b: []*endpoint.Endpoint{makeEndpoint("a.com"), makeEndpoint("b.com")},
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want: true,
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},
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{
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name: "One endpoint differs",
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a: []*endpoint.Endpoint{makeEndpoint("a.com"), makeEndpoint("b.com")},
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b: []*endpoint.Endpoint{makeEndpoint("a.com"), makeEndpoint("c.com")},
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want: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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isSameEndpoints := SameEndpoints(tt.a, tt.b)
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assert.Equal(t, tt.want, isSameEndpoints)
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})
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}
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}
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func TestSameEndpointLabel(t *testing.T) {
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tests := []struct {
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name string
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a []*endpoint.Endpoint
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b []*endpoint.Endpoint
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want bool
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}{
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{
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name: "length of a and b are not same",
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a: []*endpoint.Endpoint{makeEndpoint("a.com")},
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b: []*endpoint.Endpoint{makeEndpoint("b.com"), makeEndpoint("c.com")},
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want: false,
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},
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{
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name: "endpoint's labels are same in a and b",
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a: []*endpoint.Endpoint{makeEndpoint("a.com"), makeEndpoint("c.com")},
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b: []*endpoint.Endpoint{makeEndpoint("b.com"), makeEndpoint("c.com")},
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want: true,
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},
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{
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name: "endpoint's labels are not same in a and b",
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a: []*endpoint.Endpoint{
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{
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DNSName: "a.com",
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Labels: endpoint.Labels{
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endpoint.OwnerLabelKey: "owner1",
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endpoint.ResourceLabelKey: "resource1",
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},
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},
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{
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DNSName: "b.com",
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Labels: endpoint.Labels{
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endpoint.OwnerLabelKey: "owner2",
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endpoint.ResourceLabelKey: "resource2",
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},
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},
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},
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b: []*endpoint.Endpoint{
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{
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DNSName: "a.com",
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Labels: endpoint.Labels{
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endpoint.OwnerLabelKey: "owner",
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endpoint.ResourceLabelKey: "resource",
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},
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},
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{
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DNSName: "b.com",
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Labels: endpoint.Labels{
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endpoint.OwnerLabelKey: "owner1",
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endpoint.ResourceLabelKey: "resource1",
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},
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},
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},
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want: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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isSameEndpointLabels := SameEndpointLabels(tt.a, tt.b)
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assert.Equal(t, tt.want, isSameEndpointLabels)
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})
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}
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}
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func TestSamePlanChanges(t *testing.T) {
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tests := []struct {
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name string
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a map[string][]*endpoint.Endpoint
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b map[string][]*endpoint.Endpoint
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want bool
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}{
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{
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name: "endpoints with all operations in a and b are same",
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a: map[string][]*endpoint.Endpoint{
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"Create": {makeEndpoint("a.com")},
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"Delete": {makeEndpoint("b.com")},
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"UpdateOld": {makeEndpoint("a.com")},
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"UpdateNew": {makeEndpoint("c.com")},
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},
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b: map[string][]*endpoint.Endpoint{
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"Create": {makeEndpoint("a.com")},
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"Delete": {makeEndpoint("b.com")},
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"UpdateOld": {makeEndpoint("a.com")},
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"UpdateNew": {makeEndpoint("c.com")},
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},
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want: true,
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},
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{
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name: "endpoints for create operations in a and b are not same",
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a: map[string][]*endpoint.Endpoint{
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"Create": {makeEndpoint("a.com")},
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"Delete": {makeEndpoint("b.com")},
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"UpdateOld": {makeEndpoint("a.com")},
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"UpdateNew": {makeEndpoint("c.com")},
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},
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b: map[string][]*endpoint.Endpoint{
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"Create": {makeEndpoint("x.com")},
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"Delete": {makeEndpoint("b.com")},
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"UpdateOld": {makeEndpoint("a.com")},
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"UpdateNew": {makeEndpoint("c.com")},
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},
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want: false,
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},
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{
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name: "endpoints for delete operations in a and b are not same",
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a: map[string][]*endpoint.Endpoint{
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"Create": {makeEndpoint("a.com")},
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"Delete": {makeEndpoint("b.com")},
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"UpdateOld": {makeEndpoint("a.com")},
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"UpdateNew": {makeEndpoint("c.com")},
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},
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b: map[string][]*endpoint.Endpoint{
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"Create": {makeEndpoint("a.com")},
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"Delete": {makeEndpoint("g.com")},
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"UpdateOld": {makeEndpoint("a.com")},
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"UpdateNew": {makeEndpoint("c.com")},
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},
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want: false,
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},
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{
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name: "endpoints for updateOld operations in a and b are not same",
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a: map[string][]*endpoint.Endpoint{
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"Create": {makeEndpoint("a.com")},
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"Delete": {makeEndpoint("b.com")},
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"UpdateOld": {makeEndpoint("b.com")},
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"UpdateNew": {makeEndpoint("c.com")},
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},
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b: map[string][]*endpoint.Endpoint{
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"Create": {makeEndpoint("a.com")},
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"Delete": {makeEndpoint("b.com")},
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"UpdateOld": {makeEndpoint("c.com")},
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"UpdateNew": {makeEndpoint("c.com")},
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},
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want: false,
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},
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{
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name: "endpoints for updateNew operations in a and b are same",
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a: map[string][]*endpoint.Endpoint{
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"Create": {makeEndpoint("a.com")},
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"Delete": {makeEndpoint("b.com")},
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"UpdateOld": {makeEndpoint("a.com")},
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"UpdateNew": {makeEndpoint("d.com")},
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},
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b: map[string][]*endpoint.Endpoint{
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"Create": {makeEndpoint("a.com")},
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"Delete": {makeEndpoint("b.com")},
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"UpdateOld": {makeEndpoint("a.com")},
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"UpdateNew": {makeEndpoint("c.com")},
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},
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want: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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checkPlanChanges := SamePlanChanges(tt.a, tt.b)
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assert.Equal(t, tt.want, checkPlanChanges)
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})
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}
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}
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func TestNewTargetsFromAddr(t *testing.T) {
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tests := []struct {
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name string
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input []netip.Addr
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expected endpoint.Targets
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}{
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{
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name: "empty slice",
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input: []netip.Addr{},
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expected: endpoint.Targets{},
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},
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{
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name: "single IPv4 address",
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input: []netip.Addr{
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netip.MustParseAddr("192.0.2.1"),
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},
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expected: endpoint.Targets{"192.0.2.1"},
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},
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{
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name: "multiple IP addresses",
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input: []netip.Addr{
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netip.MustParseAddr("192.0.2.1"),
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netip.MustParseAddr("2001:db8::1"),
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},
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expected: endpoint.Targets{"192.0.2.1", "2001:db8::1"},
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},
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{
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name: "IPv6 address only",
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input: []netip.Addr{
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netip.MustParseAddr("::1"),
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},
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expected: endpoint.Targets{"::1"},
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},
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}
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|
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got := NewTargetsFromAddr(tt.input)
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if !reflect.DeepEqual(got, tt.expected) {
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t.Errorf("NewTargetsFromAddr() = %v, want %v", got, tt.expected)
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}
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})
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}
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}
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|
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func TestWithLabel(t *testing.T) {
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e := &endpoint.Endpoint{}
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// should initialize Labels and set the key
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returned := e.WithLabel("foo", "bar")
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assert.Equal(t, e, returned)
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assert.NotNil(t, e.Labels)
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assert.Equal(t, "bar", e.Labels["foo"])
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|
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// overriding an existing key
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e2 := e.WithLabel("foo", "baz")
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assert.Equal(t, e, e2)
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assert.Equal(t, "baz", e.Labels["foo"])
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|
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// adding a new key without wiping others
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e.Labels["existing"] = "orig"
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e.WithLabel("new", "val")
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assert.Equal(t, "orig", e.Labels["existing"])
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assert.Equal(t, "val", e.Labels["new"])
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}
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|
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func TestFilterEndpointsByOwnerIDLogging(t *testing.T) {
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noOwner := &endpoint.Endpoint{}
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ownedByFoo := &endpoint.Endpoint{
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Labels: endpoint.Labels{
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endpoint.OwnerLabelKey: "foo",
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},
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}
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ownedByBar := &endpoint.Endpoint{
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Labels: endpoint.Labels{
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endpoint.OwnerLabelKey: "bar",
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},
|
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}
|
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tests := []struct {
|
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name string
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ownerID string
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endpoints []*endpoint.Endpoint
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messages []string
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messages_not []string
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result []*endpoint.Endpoint
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}{
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{
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name: "one_matches",
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ownerID: "foo",
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endpoints: []*endpoint.Endpoint{ownedByFoo},
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messages: []string{},
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messages_not: []string{""},
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result: []*endpoint.Endpoint{ownedByFoo},
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},
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{
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name: "wrong_owner",
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ownerID: "foo",
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endpoints: []*endpoint.Endpoint{ownedByFoo, ownedByBar},
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messages: []string{"because owner id does not match"},
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messages_not: []string{},
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result: []*endpoint.Endpoint{ownedByFoo},
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},
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{
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name: "no_owner",
|
|
ownerID: "bar",
|
|
endpoints: []*endpoint.Endpoint{noOwner, ownedByBar},
|
|
messages: []string{"because of missing owner label"},
|
|
messages_not: []string{"because owner id does not match"},
|
|
result: []*endpoint.Endpoint{ownedByBar},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
hook := logtest.LogsUnderTestWithLogLevel(log.DebugLevel, t)
|
|
endpoint.FilterEndpointsByOwnerID(tt.ownerID, tt.endpoints)
|
|
for _, m := range tt.messages {
|
|
logtest.TestHelperLogContains(m, hook, t)
|
|
}
|
|
for _, m := range tt.messages_not {
|
|
logtest.TestHelperLogNotContains(m, hook, t)
|
|
}
|
|
})
|
|
}
|
|
}
|