mirror of
https://github.com/kubernetes-sigs/external-dns.git
synced 2025-11-04 12:41:00 +01:00
143 lines
3.8 KiB
Go
143 lines
3.8 KiB
Go
/*
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Copyright 2019 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 source
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import (
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"testing"
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ambassador "github.com/datawire/ambassador/pkg/api/getambassador.io/v2"
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"github.com/stretchr/testify/require"
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"github.com/stretchr/testify/suite"
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"golang.org/x/net/context"
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v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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"k8s.io/apimachinery/pkg/runtime"
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fakeDynamic "k8s.io/client-go/dynamic/fake"
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fakeKube "k8s.io/client-go/kubernetes/fake"
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)
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type AmbassadorSuite struct {
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suite.Suite
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}
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func TestAmbassadorSource(t *testing.T) {
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suite.Run(t, new(AmbassadorSuite))
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t.Run("Interface", testAmbassadorSourceImplementsSource)
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}
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// testAmbassadorSourceImplementsSource tests that ambassadorHostSource is a valid Source.
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func testAmbassadorSourceImplementsSource(t *testing.T) {
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require.Implements(t, (*Source)(nil), new(ambassadorHostSource))
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}
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func TestAmbassadorHostSource(t *testing.T) {
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fakeKubernetesClient := fakeKube.NewSimpleClientset()
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ambassadorScheme := runtime.NewScheme()
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ambassador.AddToScheme(ambassadorScheme)
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fakeDynamicClient := fakeDynamic.NewSimpleDynamicClient(ambassadorScheme)
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ctx := context.Background()
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namespace := "test"
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host, err := createAmbassadorHost("test-host", "test-service")
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if err != nil {
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t.Fatalf("could not create host resource: %v", err)
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}
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{
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_, err := fakeDynamicClient.Resource(ambHostGVR).Namespace(namespace).Create(ctx, host, v1.CreateOptions{})
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if err != nil {
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t.Fatalf("could not create host: %v", err)
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}
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}
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ambassadorSource, err := NewAmbassadorHostSource(ctx, fakeDynamicClient, fakeKubernetesClient, namespace)
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if err != nil {
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t.Fatalf("could not create ambassador source: %v", err)
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}
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{
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_, err := ambassadorSource.Endpoints(ctx)
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if err != nil {
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t.Fatalf("could not collect ambassador source endpoints: %v", err)
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}
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}
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}
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func createAmbassadorHost(name, ambassadorService string) (*unstructured.Unstructured, error) {
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host := &ambassador.Host{
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ObjectMeta: v1.ObjectMeta{
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Name: name,
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Annotations: map[string]string{
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ambHostAnnotation: ambassadorService,
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},
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},
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}
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obj := &unstructured.Unstructured{}
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uc, _ := newUnstructuredConverter()
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err := uc.scheme.Convert(host, obj, nil)
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if err != nil {
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return nil, err
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}
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return obj, nil
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}
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// TestParseAmbLoadBalancerService tests our parsing of Ambassador service info.
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func TestParseAmbLoadBalancerService(t *testing.T) {
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vectors := []struct {
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input string
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ns string
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svc string
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errstr string
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}{
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{"svc", "default", "svc", ""},
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{"ns/svc", "ns", "svc", ""},
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{"svc.ns", "ns", "svc", ""},
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{"svc.ns.foo.bar", "ns.foo.bar", "svc", ""},
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{"ns/svc/foo/bar", "", "", "invalid external-dns service: ns/svc/foo/bar"},
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{"ns/svc/foo.bar", "", "", "invalid external-dns service: ns/svc/foo.bar"},
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{"ns.foo/svc/bar", "", "", "invalid external-dns service: ns.foo/svc/bar"},
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}
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for _, v := range vectors {
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ns, svc, err := parseAmbLoadBalancerService(v.input)
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errstr := ""
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if err != nil {
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errstr = err.Error()
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}
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if v.ns != ns {
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t.Errorf("%s: got ns \"%s\", wanted \"%s\"", v.input, ns, v.ns)
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}
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if v.svc != svc {
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t.Errorf("%s: got svc \"%s\", wanted \"%s\"", v.input, svc, v.svc)
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}
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if v.errstr != errstr {
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t.Errorf("%s: got err \"%s\", wanted \"%s\"", v.input, errstr, v.errstr)
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}
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}
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}
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