146 lines
3.7 KiB
Go
146 lines
3.7 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 node
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import (
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"encoding/json"
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"net/http"
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"net/http/httptest"
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"testing"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/version"
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"k8s.io/client-go/discovery"
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clientset "k8s.io/client-go/kubernetes"
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restclient "k8s.io/client-go/rest"
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)
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func TestValidateAPIServer(t *testing.T) {
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expect := version.Info{
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Major: "foo",
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Minor: "bar",
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GitCommit: "baz",
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}
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tests := []struct {
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s *httptest.Server
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expect bool
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}{
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{
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s: httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {})),
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expect: false,
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},
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{
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s: httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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var obj interface{}
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switch req.URL.Path {
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case "/api":
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obj = &metav1.APIVersions{
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Versions: []string{
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"v1.6.0",
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},
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}
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output, err := json.Marshal(obj)
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if err != nil {
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t.Fatalf("unexpected encoding error: %v", err)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(output)
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default:
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output, err := json.Marshal(expect)
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if err != nil {
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t.Errorf("unexpected encoding error: %v", err)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(output)
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}
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})),
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expect: false,
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},
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{
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s: httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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var obj interface{}
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switch req.URL.Path {
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case "/api":
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obj = &metav1.APIVersions{
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Versions: []string{
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"v1.6.0",
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},
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}
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output, err := json.Marshal(obj)
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if err != nil {
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t.Fatalf("unexpected encoding error: %v", err)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(output)
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case "/apis":
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obj = &metav1.APIGroupList{
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Groups: []metav1.APIGroup{
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{
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Name: "certificates.k8s.io",
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Versions: []metav1.GroupVersionForDiscovery{
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{GroupVersion: "certificates.k8s.io/v1beta1", Version: "v1beta1"},
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},
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},
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},
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}
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output, err := json.Marshal(obj)
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if err != nil {
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t.Fatalf("unexpected encoding error: %v", err)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(output)
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default:
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output, err := json.Marshal(expect)
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if err != nil {
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t.Errorf("unexpected encoding error: %v", err)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(output)
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}
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})),
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expect: true,
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},
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}
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for _, rt := range tests {
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defer rt.s.Close()
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rc := &restclient.Config{Host: rt.s.URL}
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c, err := discovery.NewDiscoveryClientForConfig(rc)
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if err != nil {
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t.Fatalf("encountered an error while trying to get the new discovery client: %v", err)
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}
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cs := &clientset.Clientset{DiscoveryClient: c}
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actual := ValidateAPIServer(cs)
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if (actual == nil) != rt.expect {
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t.Errorf(
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"failed TestValidateAPIServer:\n\texpected: %t\n\t actual: %t",
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rt.expect,
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(actual == nil),
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)
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}
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}
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}
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